GT-71A Keyence General Purpose Digital Contact Sensor Amplifier Unit DIN Rail Type NPN

Model

GT-71A

Type

Amplifier unit

Mounting method

DIN rail mount^*1

Output

NPN output

Main unit/expansion unit

Main unit^*2

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