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General Purpose Digital Contact SensorGT series

Amplifier Unit, Panel Mount Type, NPN

GT-76A

SPECIFICATIONS

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Model

GT-76A

Type

Amplifier unit

Mounting method

Panel mount

Output

NPN output

Main unit/expansion unit

Expansion unit*1

Power consumption

Normal

At 12 V: 1,140 mW (95 mA) or less, At 24 V: 1,200 mW (50 mA) or less

Power saving (Eco)

At 12 V: 600 mW (50 mA) or less, At 24 V: 840 mW (35 mA) or less

Display power

Measured value display

6-digit 7-segment LED (red)

Other displays

2-color 13-level bar LED display (red, green), indicators (red, green)

Display range

-99.999 to 999.999

Display resolution

1 µm 0.000039"

Sampling rate

2,000 times/second

Control input

Timing/preset/bank input

Timing input: Non-voltage input (relay contact, solid state), input time: 2 ms or more
Preset/Bank input: Non-voltage input (relay contact, solid state), input time: 20 ms or more

Response time

hsp (1.5 ms) , 5 ms, 10 ms, 100 ms, 500 ms, 1 s, 5 s

HIGH, GO, LOW output

NPN open collector, 50 mA max. (40 V or less), residual voltage: 1 V or less, N.O./N.C. switchable

Major functions

Preset, Hold, Variable hysteresis, Variable response time, Multiplier setting, Bank function (4 banks),
Self-timing, Power save (eco) mode, Application mode, Calibration function, Core alarm

Rating

Power voltage

12 to 24 VDC, Ripple (P-P) 10 % or less*2

Environmental resistance

Ambient temperature

-10 to +55 °C 14 to 131 °F (No freezing)

Relative humidity

35 to 85 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions

Material

Main body case: Polycarbonate, Key top: Polyacetal, Front sheet: Polycarbonate, Cable: PVC

Accessories

Panel mounting bracket, protective front cover, power cable, flat cable for expansion, instruction manual

Weight

Approx. 110 g (: including panel mounting bracket, protective front cover, power cable)

*1 One main unit and nine expansion units (ten in total) can be additionally installed. For additional amplifier unit installation, each output current must be 20 mA or less.
*2 If additional amplifier units are installed, the power supply voltage is 24 VDC.

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