NT-11 - Western Pacific Signal, LLC

NT-11 NEMA Test Case

Features
• All inputs and outputs brought to the tester
• Power interrupt test
• Internal DC power supply
• Three test points
• Phase type displays
• Lid mounted LED output display
• 5 spare LED's and 2 spare switches for special uses
• Rugged portable carrying case

The NT-11 NEMA Standard Controller Tester gives the signal technician the ability to produce all inputs and outputs while observing the controller operation. The NT-11's portable carrying case allows the technician to perform tests on a bench in the
shop or in the field at the intersection.

The input section, located on the bottom panel of the tester, consists of a group of switches which actuate the controller inputs. The switches are conveniently labeled by function from top to bottom.

INPUTS Per Controller
- Call to Non Act 1 and 2
- Test A and B
- Minimum Recall
- Walk Rest Modifier
- Manual Control Enable
- Lamps Off
- External Start
- 6 Spares

Per Ring
- Max Inhibit
- Stop Time
- Force Off
- Red Rest
- Omit All Red
- Ped Recycle
- Max 2

Per Phase
- Veh Det
- Ped Det
- Hold
- Phase Omit
- Ped Omit

The output section, mounted in the lid, is made up of a group of panel mounted LED's that are connected to the controller outputs and when lighted indicate which are active.

OUTPUTS Per Controller
- Flashing Logic
- Voltage Monitor
- 5 Spares
- Overlap A B C D

Per Ring
- Status Bits

Per Phase
- Red, Yellow, Green
- Walk, Don't Walk
- Phase On
- Phase Next
- Phase Check

Power Interrupt
The NT-11 has a feature which permits testing the AC power interrupt operation of a controller. Adjustable from 0.1 to 1.1 seconds, it verifies that the controller responds correctly to short powerline interruptions.

Test Points

24V: Controller 24 V power supply

Log Gnd: Controller logic ground

NEUT: Power line Neutral

Specifications - ABS Plastic Case

Size: 7" x 14" x 21"

Weight: 16 pounds

Power: 120 VAC 1 AMP

Connectors: NEMA Standard

Optional Feature: Phase type display