733Traffic Signal Controller Material

733.01References and Definitions

“ATC” refers to equipment manufactured in conformance with the Advanced Transportation Controller Standard, a joint standard of AASHTO, ITE, and NEMA “NEMA TS -2,” “Type TS -2/A2,” and “Type TS -2/A1” refers to equipment manufactured in conformance with the National Electrical Manufacturers Association (NEMA) Standards Publication No. TS-2. “Type 332”, “Type 336”, and “Type 342” refers to equipment manufactured in conformance with the California Department of Transportation (CalTrans) specifications titled “Traffic Signal Control Equipment Specifications” and “Transportation Electrical Equipment Specifications“, including all addenda. “Type 2070” refers to equipment manufactured in conformance with the California Department of Transportation (CalTrans) specifications titled “Transportation Electrical Equipment Specifications”, including all addenda. “IP” refers to equipment conforming to the Internet Protocol Suite communication protocols defined by the Internet Engineering Taskforce RFC 1122. “TAP” refers to the Traffic Authorized Products list for products that have been authorized for use on Intelligent Transportation Systems (ITS) for the Ohio Department of Transportation.

733.03Cabinet. Ensure that all cabinets comply with the requirements of this Section. Equip all

NEMA specified cabinets as follows: Supply two through four phase controller operation with a minimum twelve position backpanel, configured for four pedestrian movements and four overlaps, with a NEMA TS -2 malfunction management unit. Supply five through eight phase controller operation with a minimum 12 position backpanel, configured for four pedestrian movements and no overlaps, with a NEMA TS -2 malfunction management unit. For signal phasing configurations that require a larger capacity backpanel or conflict monitor, supply a 16 position backpanel with a NEMA TS-2 malfunction management unit. Furnish each cabinet main door with a sturdy, permanently lubricated lock that is covered with a weatherproof tab. Key the project locks to the master key used by the agency that will maintain the equipment. Supply two keys with each lock. Also, equip t he small door-in-door with a lock that is keyed to the maintaining agency’s master key, covered with a weatherproof tab. The door handle shall swing out away from the door edge, not toward the center of the door. Any fasteners (rivets, bolts, etc.) that penetrate the cabinet exterior shall be tack-welded or brazed on the inside surface to prevent punch -thru if the fastener head is ground off from the outside. The preferred method of cabinet construction uses no such fasteners, but internal welds only. Furnish cabinet with drawings that show the following:

vehicle and pedestrian phases, all loops and detection zones, vehicular and pedestrian signal heads, and pedestrian pushbuttons. All of these features shall be labeled. Include a legend that shows the type of vehicular and pedestrian heads and north.

head display indication, and field terminal on back panel. 862

show program card jumper locations diagrammatically (if applicable). If the Conflict Monitor/MMU is programmed via methods other than a program card detail this diagrammatically.

wiring shown in the drawings. Also include components such as MOVs and diodes.

a description of all instances. Furnish 60-month warranties or the manufacturers’ standard warranty, whichever is greater for the following equipment:

Ensure that the warranty period begins on the date of shipment to the project. Ensure that each unit has a permanent label or stamp indicating the date of shipment. Label shall indicate the equipment vendor name and or logo

malfunction management unit, rear panel (terminals and facilities), detectors and bus interface units and also comply with the general requirements of 733.03. Furnish a prewired cabinet with malfunction management unit, loop detector units, and all accessory equipment as specified in NEMA TS-2, except as follows:

cabinet, the neutral (AC-) and the grounding bar in the controller cabinet shall be connected together.

863

(Type A). Furnish momentary pushbuttons on the cabinet door or a detector rack panel for actuation of Detector BIU #9, channels 1 -16, and the four opto -isolated pedestrian detector inputs on BIU #1 and BIU #2. Permanently label these pushbuttons as “VEH DET 1” through “VEH DET 16” and “PED DET 1” through “PED DET 8.”

mounted cabinets, Size 7 for ground mounted cabinets. Supply larger cabinets if required to house the equipment to meet the plan requirements; such as an integral UPS enclosure, additional ITS equipment, preemption devices, 16 position backpanels or special detection units. Furnish all wire passages through and over metal edges with edge protection polymer trim.

SIGNALS ON/OFF and AUTO/MANUAL in the police panel. Furnish a pushbutton with a 5 -foot (1.5 m) cord, and panel connector, not hard wired, unless a strain -relieving panel feed-thru bushing is provided.

shall be used for the signal bus relay. This relay shall maintain output equal to or exceeding the requirements of the cabinet main overcurrent protective device over the NEMA TS-2 Environmental Operating Range of -30 to +165 degrees Fahrenheit.

Furnish loop detector lead-in cable protection that consists of devices installed in each detector circuit where the lead-in connects to the terminal block. House each device in a case that consists of two stages; a 3-electrode gas tube arrestor and a semiconductor circuit. Ensure that the arrestor shunts to ground a common mode transient with a 1,000 ampere peak and an 8/20 microsecond wave -shape, ionizing at 400 volts within 100 nanoseconds when subjected to a 1,000 volt per microsecond transient. Furnish a semiconductor circuit that clamps a differential transient to 30 volts within 40 nanoseconds of the appearance of the transient, and a common mode transient to 30 volts within 500 nanoseconds of the ionization of the gas tube arrestor. Ensure that t he second stage is able to withstand a peak current of 13 amperes. Furnish a device that has impedance characteristics compatible with the detector unit so as not to cause false calls or increase the loop impedance above the sensitivity of the detector unit. Furnish pedestrian pushbutton inputs with the same protection as specified for the loop detector lead-in cables.

the cabinet. When shown on the plans, supply delay and extension timing capability on the detector unit; otherwise, provide the controller unit software with these features. If vehicle detector types other than “loop” detectors are required by the plans, provide these detector units by separate bid item. If the special bid detector units use standard TS-2 detector racks, furnish the racks as part of the pre-wired cabinet. Furnish loop detector unit with an LED or LCD display indication of call strength (∆L/L or equivalent). This display shall be a bar graph or numerical display with at least eight (8) discrete levels indicated. 864

A plug-in base shall be used to hold the device. All wiring connections shall be made to the base, and appropriate cabinet clearances maintained, to allow the SPD module to be replaced by hand without the use of tools. Cabinet power distribution shall conform to Figure 5-4, NEMA TS-2 2003 v02.06. In addition, install three (3) non GFCI NEMA 5-15 utility outlets on the right side of the power panel for a total of six (6) receptacles. These outlets shall be powered independently of the UPS by direct connection to incoming utility power through a 15-amp circuit breaker labeled “UTILITY OUTLET.”

computer. Include all interface software.

controller SDLC port.

the controller. Ensure the storage compartment has telescoping drawer guides for full extension. Ensure the compartment top has a non-slip plastic laminate attached. Furnish TS-2 cabinet according to the Department’s TAP List.

Equipment Specifications” and “Transportation Electrical Equipment Specifications”, California Department of Transportation. Ensure that the manufacturer of the cabinets is listed on the TAP at the time of delivery to the project.

anodic coating is not required. Supply galvanized anchor bolts with nuts and washers with each cabinet. Furnish 3/4-inch (19 mm) diameter by 16 inches (0.4 m) minimumle ngth anchor bolts with an “L” bend on the unthreaded end.

mounted when facing the front of the cabinet.

output file is in accordance with the Caltrans TEES 2009, Section 6.4.5.3 Output File #2 and come with two flasher blocks and six load switches. Ensure all channels from the output file are monitored by the CMU.

red monitor board.

mounted terminal blocks. Install terminal blocks and associated wiring to the input file. Label the field wiring terminals of the side mounted terminal block by a permane nt screening process to identify the 865 input panel (I or J), the input file slot number (1 through 14) and the channel terminal (D, E, J, or K). An example is “I4 -E”. Ensure that all terminals on these detector blocks are accessible without removing equipment from the EIA mounting rack.

monitoring. Ship the cabinets with the red monitor jumpers set in the “enable” position.

edge connector.

with the controller. Ensure that the cable has a DB -9 connector on one end, and a connector on the other end to mate with the C2 on the back of the controller. The cable will allow a laptop computer to upload/download data to the controller.

minimum 5 feet in length. The cable will allow a laptop computer to upload/download data to the controller.

indicators on dual indicator switchpacks will display properly.

relays, power supply, AC and DC isolators, conflict monitor, switchpacks (with both input and output indicators), and a DC isolator in slot 14 for flash sense/stop time. Do not switch the input file channels from the standard layout in order to minimize the number of two -channel detector units utilized. If vehicle detector types other than “loop” detectors are required by the plans, provide these detectors under a separate bid item. Flash Transfer Relays shall use AC coils only; the use of a series rectifier in combination with a DC coil is prohibited. In addition to the requirements of Caltrans TEES, furnish detector unit with an LED or LCD display indication of call strength (∆L/L or equivalent). This display shall be a bar graph or numerical display with at least eight (8) discrete levels indicated. Furnish loop detector sensors according to the Department’s TAP List.

vehicle phases 1-8, pedestrian phases 2,4,6,8 and EVPE channels A,B,C,D as defined in the published ODOT Plan Insert Sheet for default 332/336 cabinet input file assignments. Furnish switches with three position “on/off/momentary on” switches.

(1.5 m) cord and three switches labeled AUTO/FLASH, SIGNALS ON/OFF and AUTO/MANUAL. Wire the pushbutton cord to the controller harness wiring by a molex plug connection and not through an AC isolator. When placed in the manual position, apply “manual control enable” to the controller and apply “recall” to all phases. Ensure that activation of the push button “advances” the controller, except prohibit the manual advancement during the minimum green, yellow, and red timing intervals.

controller. Ensure that the storage compartment has telescoping drawer guides for full extension. Ensure that the compartment top has a non-slip plastic laminate attached. Top of shelf shall be at least 30 inches and no more than 48 inches above the workpad surface. For cabinets with risers, this may require relocating the drawer to a position below Input File #2. 866

near each door. Wire the lights to the door switches such that opening either door will turn on both lights.

surrestors equivalent to EDCO models SRA-6LCA, SRA-6LCB, or SRA-6LC.

surge protector in lieu of the CalTrans specified surge protection. A plug-in base shall be used to hold the device. All wiring connections shall be made to the base, and a ppropriate cabinet clearances maintained, to allow the SPD module to be relaced by hand without the use of tools.

to Supplement 1076.

the installation that are of ample capacity to carry the required current without excessive heating or drop of potential. Use standard industrial quality components (integrated circuit chips, transistors, diodes, resistors, capacitors, etc.) wherever possible. Clearly identify these components with the original identification. Designate the other vital information such as v oltage polarity, emitter or collector terminals, pin locations, etc., by an approved industrial procedure. Ensure that the major items or assemblies of equipment bear a nameplate, indelible marking, or brand that identifies it as to type, model, catalog number, and manufacturer. Transfer that manufacturers’ guarantees or warranties to the Department upon delivery and acceptance of the equipment. Ensure that all conflict monitors are warranted for a period of 60 months or for the manufacturer’s standard warranty period, whichever is greater, for parts and labor from date of shipment to the project or the ODOT Signal Shop. Ensure that each unit has a permanent label or stamp indicating the date of shipment and name of vendor supplying the unit and/or logo..

Conflict Monitoring Devices designed for use in Model 332 and 336 Traffic Signal Controller Cabinets supplied to the Department.

diffused lenses), ultra- bright light emitting diodes (LED), whose states are clearly readable in direct sunlight. Ensure that each conflict monitor channel provides separate red, yellow, and green LEDs.

upper indications and the output channel lights as the lower indications [See 733.03.C.6.c.(1) and

.C.6.c.(9)]. An acceptable alternative is to provide a single fault indication and a supplemental

display that clearly indicates the fault type.

being sensed to run any of its internal circuitry. Ensure that the watchdog, stop time, external reset, and 24VDC monitor input circuits are optically isolated from the Monitor internal powers upply and are conditioned to provide proper sense circuit operation throughout the operating range. 867

Ensure that a power failure does not result in resetting the Monitor. Ensure that once the Monitor is triggered by detection of a fault that it remains in that state until a Reset Command is issued. Reset is issued only by the Front Panel Control Switch or by the External Test Reset input.

unit. When power is established, > 103  2 Vac, the monitor will power up in the FAULT RELAY RECOVERY mode: When power is established, initiate FAULT RELAY RECOVERY. For an interval of 6.0  0.5 seconds, the following will take place:

active.

At the end of this time interval, the Monitor begins counting Watchdog transitions from the controller and prepares to resume normal fault monitoring. Ensure that the resumption of normal Fault monitoring occurs when either:

controller Watchdog; or

If the controller Watchdog output does not become active, ensure that the Monitor goes into a Latched Fault condition.

and Red AC circuits at the field output terminals of traffic signal cabinets. Monitor shall be capable of monitoring Flashing Yellow Arrow channels. In addition, monitor the cabinet 24VDC supply, and the Model 2070 controller Watchdog Timer output. These signals are processed by the Monitor circuitry, and if a failure is determined to have occurred, ensure that a relay output contact closure (FAILED state) places the cabinet and intersection into flashing operation.

Ensure that the relay contacts are normally closed (FAILED STATE). In a NON-FAILED state (relay coil energized), ensure that the contacts are open. The function of this output circuit is to initiate flash operation within the cabinet and transfer field circuits from the switch pack outputs to the flash bus during a FAILED STATE.

and 100,000 operations. Ensure that the contact opening/closing time is 30 ms or less. Furnish contacts that present a minimum impedance of 50,000 ohms in the open state.

are in the FAILED STATE (closed). Ensure that it is inactive whenever the output relay contacts are in the NON-FAILED (open) STATE.

labeled “RESET” to reset the Monitor to a Non -FAILED state and restores normal monitoring 868 operation. Position the switch on the front panel so that the switch can be operated while gripping the front panel handle. Ensure that the External Test Reset input line resets the Monitor circuitry to a Non - FAILED state and restores normal monitoring operation. Optically isolate it from the internal circuitry. Ensure that a reset issuance by either source (Unit Reset) is tr iggered by only the leading edge of the input signal (this will prevent a constant reset due to either a switch failure or a constant external input). Ensure that a constant reset input is ignored within 5 seconds of issuance.

200 kilohms  100 kilohms.

Connectors. Ensure that all edge connectors use the “bifurcated bellow” type contact or equivalent.

connector and ensure that it is capable of carrying one ampere according to CalTrans specifications.

between the handle and a closed cabinet door exists.

unsafe condition exists, the Monitor will enter into a FAILED state. This places the cabinet into flash operation and applies STOP TIME to the controller unit. Ensure that the Monitor is designed to monitor red circuits, yellow timing, multiple outputs, and lack of outputs on a switch selectable, per channel basis. Specific conditions for failure follow:

thresholds.

and they are not programmed as permissive on the Conflict Program Card.

watchdog output has ceased.

Card is removed or if it is not properly seated in the connector. When it is not inserted into the monitor, ensure that the warning indicator light is displayed.

itself.

field outputs on a single channel.

green to red sequence. Minimum yellow shall be 2.7 seconds  100 ms.

135 V ac power source. Ensure that the Monitor suspends Fault monitoring below 85 V ac  2 V ac, closes the output relay, and de-energizes the AC POWER indicator light. 869

controller unit WATCHDOG output. Ensure that the WDT Circuitry senses state changes and the time between the last change. Ensure that an absence of change for 1.50.1 seconds places the Monitor in a FAILED state.

24 VDC failures whenever the AC line voltage is within the 85 to 135 V ac operating range of the Monitor, except during FAULT RELAY OPERATION.

channel input.

loss of operating voltage, ensure that the initial Failure Status is retained in memory and is redisplayed after restoration of power.

the removal of the Conflict Program Card, ensure that it REMAINS LATCHED, even through a power fail/recovery, until a RESET is issued by the front panel reset switch, or by the external test reset line.

time the fault was latched. Ensure that a power loss does not affect the retention of this data. An acceptable alternative is to save status of all channels in memory and only display the latched fault.

Monitor while the cabinet is energized without placing the cabinet into Flash operation provided that: The cabinet door remains open and the reset switch is held depressed while the unit is being inser ted or removed. Any momentary disruption of field signal indications is less than 500 ms.

its program is written so that:

device, relevant to each device type.

sense proper microprocessor operation.

microprocessor or during integrity tests.

for channel inputs and indicators to provide status and failure detection information. Furnish a GREEN AC POWER indicator. Ensure that all indicators are clearly readable in direct sunlight. Arra nge and label the indicators as shown below:

2V ac, and FLASHES during FAULT RELAY OPERATION.

a switch or similar device to disable WDT monitoring.

properly seated in its connector. 870

on any of the field outputs that comprise a monitored channel. Ensure that the failed channels are displayed on the corresponding channel indicators. If for any reason red fail is not enabled, ensure that the red fail indicator light flashes at approximately 2hertz.

more than one of the field outputs that comprise a monitored channel (green/yellow/red). Ensure that the failed channels are displayed on the corresponding channel indicators.

period of active yellow field output during a green to red sequence. Ensure that the failed channel is displayed on the corresponding channel indicator.

conformance with 733.03.C.6.c.(6).

conform to CalTrans specifications.

the specified conflict threshold (see Section 6) are sensed as “ON” and illuminate their respective channel indicators. Ensure that the number of active channels in no way affects the conflict threshold. Ensure that the following voltage levels and times apply: A conflict has occurred and will cause a FAILED state only when voltages appear at the field output terminals. > 20  5.0 V rms for a duration > 350  150 ms.

specifications.

occurred when: The AC Line Voltage is: < 98  2 VAC for > 400  100 ms. Within this time frame, ensure that the Monitor suspends all fault monitoring functions, closes the output relay contacts, enables Stop Time output, and the AC POWER indicator on the front panel flashes at a rate of 2 hertz 20 percent to indicate LINE DROP OUT status. Ensure that the Monitor remains in the FAULT RELAY mode until a LINE RECOVERY has occurred.

has occurred when: The AC Line Voltage is: > 103  2 VAC for > 400  100 ms.

FAULT RELAY RECOVERY. For an interval of 6.0  0.5 seconds, the following will take place:

active. 871

At the end of this time interval the Monitor begins counting Watchdog transitions from the controller and prepares to resume normal fault monitoring.

Monitoring occurs when either:

the controller Watchdog; or

If the controller Watchdog output does not become active, the Monitor shall go into a Latched Fault condition.

equivalent, on the Monitor front panel. The pin assignments of the P20 connector and terminal assembly are defined in this specification. Ensure that it is possible to plug and unplug the Red Monitoring Connector P20 without placing the cabinet into Flash operation. P20 CONNECTOR PIN ASSIGNMENTS Pin Function Pin Function 1 CHANNEL 15 RED 2 CHANNEL 16 RED 3 CHANNEL 14 RED 4 UNDEFINED 5 CHANNEL 13 RED 6 SPECIAL FUNCTION 2 7 CHANNEL 12 RED 8 SPECIAL FUNCTION 1 9 CHANNEL 10 RED 10 CHANNEL 11 RED 11 CHANNEL 9 RED 12 CHANNEL 8 RED 13 CHANNEL 7 RED 14 CHANNEL 6 RED 15 CHANNEL 5 RED 16 CHANNEL 4 RED 17 CHANNEL 3 RED 18 CHANNEL 2 RED 19 CHANNEL 1 RED 20 RED ENABLE Ensure that keying is between pins 3/5, and 17/19. The odd numbered pins are on one side, and the even pins are on the other. Key the P20 connector and the CMU connector physically alike (to prevent the Red Monitoring cable from being inserted into the P 20 180 degrees out of alignment).

the Red Enable input to the Monitor. When the Red Monitoring Connector is disconnected, or Red Enable is not present, ensure that the Monitor checks for conflicting combinations of Greens and Yellows, Watchdog Timer, 24VDC, Conflict Program Card Ajar, and Monitor Fail. When enabled, ensure that the extended Monitor functions become active including: Red Fail, Multiple Output, and Yellow Fail. 872

DISABLE only the RED FAIL monitoring functions while it is active (e.g. during Railroad Preempt).

Furnish a means to select either a PRESENCE of, or LACK of AC+ to enable these inputs.

ac power source.

monitored AC inputs.

Any inputs < 15.0 V rms are considered OFF. Any inputs > 25.0 V rms are considered ON. Both sinusoidal and half-wave inputs of the specified RMS values are to meet these thresholds.

Any inputs < 50.0 V rms are considered OFF. Any inputs > 70.0 V rms are considered ON. Red inputs, both sinusoidal, and half-wave, of the specified RMS values, are to meet these thresholds. Red enable and special function inputs are to meet these thresholds for sinusoidal waveforms only.

Inputs ON < 200 ms are NOT considered a FAULT. Inputs ON > 500 ms are considered a FAULT.

Lack of output < 1200 ms is NOT considered a FAULT. Lack of output > 1500 ms is considered a FAULT.

Input < 18.0 VDC is considered Low VDC input. Input > 22.0 VDC is NOT considered Low VDC input.

Low VDC input < 200 ms is NOT considered a FAULT. Low VDC input > 500 ms is considered a FAULT. 873

Input < 4.0 VDC is considered a LOW STATE. Input > 12.0 VDC (or OPEN) is considered a HIGH STATE.

Lack of valid input state changes for < 1400 ms is NOT a FAULT. Lack of valid input state changes for > 1600 ms is a FAULT.

If specified in the plans, an ethernet port shall be used in place of RS232.

laptop computer, capable of interfacing with the communication port on the front panel. Furnish the software on a 3 1/2-inch (85 mm) floppy disk with each Monitor. Label each disk with revision number and date.

programmed and set -up for intersection operation without the use of a laptop computer and communication software.

programming the status of all programmable set-up parameters of the unit. Furnish a communications software that is capable of displaying the following data:

fault events, AC line events, reset events, etc. When a fault event is stored into memory, the Monitor will store the fault condition (type), channel status, date, time, temperature, and line voltage. Ensure that the log history stores a minimum of 100 total events.

diode matrix or Programming Key programming into a non-volatile memory device. When the diode matrix or Programming Key is loaded into memory, the memory will regularly compare with diode 874 card or Programming Key and fault condition will occur if memory does not match the diode card matrix.

Signal Control Equipment Specifications”, California Department of Transportation, latest edition. Ensure that the manufacturer of these Model 336L cabinets is listed on the TAP List.

coating is not required.

supplied is the “stretch” type that provides approximately 10 inches of (250 mm) additional cabinet height.

Furnish 3/4-inch (19 mm) diameter by 16 inches (0.4 m) minimum length anchor bolts with an “L” bend on the unthreaded end.

plates installed. Ensure that both of the cabinet sidewalls are reinforced for pole brackets; however, also ensure that the cabinet is shipped with the brackets installed on the door hinge side of the cabinet. When a pole mounted cabinet is ordered, ensure that the door hinges are specified as “right” or “left” mounted as looking into the front of the cabinet. Ensure that the brackets are designed for banding to a pole.

the Department’s TAP List.

Furnish 336L cabinet materials according to the Department’s TAP List.

Signal Control Equipment Specifications”, California Department of Transportation, latest edition. Ensure that the manufacturer of these Model 342LX cabinets is listed on the TAP List.

coating is not required.

Furnish 3/4-inch (19 mm) diameter by 16 inches (0.4 m) minimum length anchor bolts with an “L” bend on the unthreaded end.

875

the Department’s TAP List.

Furnish 342LX cabinet materials according to the Department’s TAP List.

733.04Cabinet Risers. Furnish the type (size and shape) of cabinet riser that is compatible with

the type of controller cabinets specified for the project.

approximately 12 inches (0.3 m) above the concrete foundation. Ensure that the bottom of the riser bolts to the standard cabinet foundation anchor bolts (not included with the riser) and the top of the riser bolts to the bottom of the cabinet. Furnish attachment hardware for connecting the riser to the cabinet. Construct the riser in a minimum of two pieces such that an existing cabinet can be raised off the foundation without disconnecting the field wiring and the riser can be inserted below the cabinet. Furnish hardware for rigidly connecting the riser sections together. Fabricate the riser from 0.125-inch (3 mm) sheet aluminum with flanges on the top and bottom to provide rigidity. Furnish mounting flanges as necessary to connect with the controller cabinet and foundation anchor bolts. Ensure that the outside surface of the riser has a smooth, uniform, natural finish unless controller cabinet painting is shown on the plans. If painting is required, prepare and paint the riser to match the cabinet.

the Model 332, 334 or 336 cabinet approximately 8 inches (0.2 m) above the concrete foundation. Ensure that the bottom of the riser bolts to the standard cabinet foundation anchor bolts (not included with the riser) and the top of the riser bolts to the bottom of the cabinet. Furnish attachment hardware for connecting the riser to the cabinet. Manufacture the unit to CalTrans specifications. Ensure that the outside surface of the riser has a smooth, uniform, natural finish unless controller cabinet painting is shown on the plans. If painting is required, prepare and paint the riser to match the cabinet. Furnish materials according to the Department’s QPL.

733.05Flasher Controller. Furnish solid-state flasher that complies with NEMA TS -2, and have

two circuits, each rated at 10 amperes. Furnish a cabinet that conforms to applicable requirements of

.B, except that the following items are not required: a small door-in-door (police door), shelves,

and a fan. Ensure that the cabinet size is not less than 12 inches (300 mm) high by 10 inches (250 mm) wide by 6 inches (150 mm) deep. Furnish cabinets that are designed for pole mounting with a 1 -1/2 inch (38 mm) or larger conduit opening in the bottom. Ensure that the auxiliary equipmen t includes: on-off power switch with integral 20-ampere circuit breaker, lightning protection devices on incoming power lines, interference filters, terminal blocks, and a ground bus bar. Furnish materials according to the Department’s QPL.

733.07Remote Monitoring Station

responsive, control and monitoring “closed loop” system. The system monitors, in real time, local intersection activities, and overall system performance, reporting failures and st atus conditions both 876 automatically and by operator request. In order to meet current and future traffic control needs, the system also provides extensive control monitoring, data collection, reporting, and analysis functions. For complete user flexibility, the system provides full access of each local system intersection controller from the Remote Monitoring Station site. Full access includes the capability to upload all time settings, operation parameters, and status information, as well as the capability to download all time settings and operation parameters.

Specification 809.10.G for the type of controller shown on the plans. Furnish a controller that has internal communication capability compatible with the type of interconnect cable shown on the plans. Furnish a local system controller that is capable of processing controller and detector data and provide all necessary intersection control functions.

master controller is provided. Furnish communications at the Remote Monitoring Station site by the maintaining agency, unless otherwise shown on the plans. Include error checking in the software to assure transmission and reception of valid data between the local controller, master controller, and the Remote Monitoring Station.

as shown on the plans and, as a minimum, consists of the following items:

color menu format at the Remote Monitoring Station. Ensure that no special computer programming skills are required for the user to fully access and operate this control and monitoring system.

color, the vehicular signals, pedestrian signals, and detector actuations in a real time mode. Ensure that the user is able to construct an intersection layout graphically by using predeter mined intersection shapes.

monitor and control at least 24 traffic responsive masters. Ensure that the central software is also capable of monitoring and controlling isolated system controllers. Furnish a system software that has the capability to manually select any timing plan, free mode or flash mode. Ensure that the system software has the capability of accepting, formatting, and processing data from at least 32 system detectors from each master controller. 877

including coordination, and preemption settings, between the Remote Monitoring Station and the master controller or local intersection. Furnish a Remote Monitoring Station that provides a means to compare a currently uploaded timing database with a previously developed database stored in the Remote Monitoring Station memory. Ensure that it reports differences in the databases. During either uploading or downloading operations, ensure that the normal traffic control operations are not suspended.

code before any data is altered. Maintain controller access procedures from the Remote Monitoring Station allowing the user full security control of all system components from a remote location.

includes the capability of accessing system controllers at remote intersection locations. Ensure that this capability includes total access to controller timing parameters, alarm conditions, detector dat a, and intersection status conditions in real time without the use of a master controller. Ensure that this feature utilizes the local intersection controller with a dial-up modem and telephone service.

733.09Uninterruptible Power Supply(UPS)

two and one half (2.5) hours of full run-time operation for an “LED-only” intersection with 1000 watts of active output power. Furnish a UPS compatible with all of the following traffic signal equipment; NEMA TS -2 controllers and cabinets, Model 332 & 336 cabinets, 2070 controller and electrical service pedestals. The maximum transfer time allowed, from disruption of normal utility line voltage to stabilized inverter line voltage from batteries, shall be 65 milliseconds or less. The same maximum allowable transfer time shall also apply when switching from inverter line voltage to utility line voltage. Include a means to switch the intersection from full -operation to flashing operation after 2 -hours of run-time. This is to conserve battery operation during an extended utility power outage. Include standard form C relay contacts to trigger an alarm within the controller assembly, informing a technician the system is operating on battery backup. Operating temperature for both the inverter/charger, power transfer relay and manual bypass switch shall be -35 °F to +165 °F (-37 °C to +74 °C). Both the power transfer relay and manual bypass switch shall be rated at 240VAC/30 amps, minimum. The UPS shall bypass the utility line power whenever the utility line voltage is outside the following voltage range: 100VAC to 130 VAC, + 2 VAC. When utilizing battery power, the UPS output voltage shall be between 110 VAC and 125 VAC, pure sine wave output, 60Hz ± 3Hz. When the utility line power has been restored between 100 VAC and 130 VAC for more than 30 seconds, the UPS shall dropout of battery backup mode and return to utility line mode. In the event of inverter/charger failure, battery failure or complete battery discharge, the power transfer relay shall revert to the NC (and energized) state, where utility line power is connected to the cabinet. 878 Recharge time for the battery, from “protective low-cutoff” to 80% or more of full battery charge capacity, shall not exceed 10 hours. Include all necessary wiring and hardware for mounting (shelf angles, rack, etc). Furnish a UPS with available buck/boost mode operation, with a minimum input voltage range of 85 to 150 vrms. The unit display shall indicate when buck/boost mode is engaged. Default buck/boost setpoints shall be 108 vrms and 132 vrms unless specified otherwise in the Plans. Furnish a UPS with an Ethernet port for remote monitoring and control. Provide interface software unless the Ethernet port has built-in web browser compatibility. Remote communication shall have the ability to make setting changes, review status, retrieve alarm and event logging that is time and date stamped for up to 50 events. The logs shall be printable. Ensure the UPS cabinet has a mastic tape, neoprene foam, or silicone weather -resistant seal between the cabinet bottom flange and the concrete foundation. Minimum tape thickness shall be 1/8- inch (3 mm) and the tape shall be continuous with no gaps between tape pieces or between cabinet and foundation. Sealing tape shall completely cover the bottom cabinet flange and shall be rated for a temperature range of at least -30 °F to +140° F. The UPS output notifications for on battery, battery 2 hour timer and low battery shall be wired into the traffic signal back panel to provide special status alarms for each output into the signal controller. This item shall include a red LED status indicator lamp to allow maintenance personnel and law enforcement to quickly assess whether a traffic signal cabinet is being powered by a UPS. The LED housing shall be NEMA 4X, IP65 or IR66, rated for outdoor use and be tamper/shatter resistant. It shall be a domed enclosure contained a red lens with LED that is visible from 100 foot minimum. The enclosure and LED lamp unit should be placed and centered on the top surface of the UPS cabinet and sealed from water intrusion. It should be wired using minimum 20 GA stranded, insulated hookup wire to the status relay outputs of the UPS. The wires shall be terminated by lugs at the display end and permanently labeled "Backup Power Status Display," with wire polarity indicated. The red LED shall only illuminate to indicate the cabinet is operating under UPS backup power (the "backup" opera ting condition). This item also includes programming the UPS status relay outputs to produce the lamp status displays. These status displays will be solid 100% duty cycle (not flashing) displays. The operating voltage of the LED lamp shall be 120V AC unless otherwise indicated.

includes an event counter, hour meter, line and battery voltages/percentages and fault status. The LCD display shall have touch keys for changing display statuses and to reset counters, hour meter date and time. Furnish a UPS with lightning surge protection compliant with IEEE/ANSI C.62.41. Furnish two (2) sets of equipment lists, operation and maintenance manuals, and board -level schematic and wiring diagrams of the UPS, and the battery data sheets. Manual shall conform to TEES 1999, Chapter 1 Section 1.2.4.2.

be 12VDC and be rated at a minimum of 105 Ahrs, 20-hour discharge rate to 1.8 volts/cell at 77 degrees Fahrenheit (25 degrees Celsius), to achieve the 2.5 hour run time requirement. Furnish batteries easily replaced and commercially available off the shelf. 879 Furnish deep cycle, sealed prismatic lead -calcium based AGM/VRLA (Absorbed Glass Mat/ Valve Regulated Lead Acid) batteries. Furnish batteries certified in writing by the manufacturer to operate over a temperature range of - 13 °F to +165 °F (– 25 C to +74 C). Place all batteries on battery heater mats in the enclosure. The battery heater mats are designed to extend the life of the batteries. An integral system shall prevent the battery from destructive discharge and overcharge. Batteries shall not be recharged when battery temperature exceeds 122 °F + 5 °F(50 °C ± 3 °C). Furnish UPS battery according to the Department’s TAP List.

cabinet. NEMA TS-2 traffic signal cabinets shall have an integral UPS enclosure, with internal dividing wall and a separate door. The enclosure shall be constructed of natural unpainted aluminum. Furnish cabinet size adequate to house “all” the UPS equipment including the controller unit, manual bypass switch and the (4) batteries. Key the enclosure to the State master #2 lock and include 2 keys. Furnish a base seal for use between the enclosure to the concrete foundation or riser of continuous tape gasket material, minimum 1/8-inch (3 mm) thickness. Completely seal the interface to the adjacent controller cabinet with silicone caulk. Furnish an enclosure with a vent, fan and thermostat as per TEES Chapter 7, Section 2-Housings.

date of acceptance by the State. Warrant batteries for full replacement for two (2) years from date of purchase. Furnish materials according to the Department's TAP List. 880