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Keyence Digital Sensor Amplifier Unit GT-71AP PNP DIN Rail Type

Keyence Digital Sensor Amplifier Unit GT-71AP PNP DIN Rail Type

  • Amplifier Unit, DIN Rail Type, PNP - GT-71AP
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PNP output

Mounting method

DIN rail mount*2

Main unit/Expansion unit

Main unit*3

Current consumption.

At 12 V


1140 mW (95 mA) or less

Power saving (Eco)

600 mW (50 mA) or less

At 24 V


1200 mW (50 mA) or less

Power saving (Eco)

840 mW (35 mA) or less

Display power

Measured value display

6-digit 7-segment LED (red)

Display method

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 0.039 Mil

Sampling rate

2000 times/second

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

Control input

Timing input

Input time: 2 ms or more

Preset input

Input time: 20 ms or more

Bank input

HIGH, GO, LOW output

PNP open collector, 50 mA max. 30 V or less
residual voltage: 1 V or less, N.O./N.C. switchable

Response time

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


Power source

12 to 24 VDC, ripple (P-P) 10% or less*4

Environmental resistance

Operating temperature range

-10 to 55°C 14 to 131°F, No freezing

Operating ambient humidity

35 to 85% RH (No condensation)


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


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


Instruction manual


Approx 110 g (including Power cable)

*1 The amplifier models indicated with “A” at the end of the model code are the upgraded version that provides compatibility with the DL series communication unit. Other models (without “A” at the end of
the model code) are not compatible with the DL series, but compatible with GT-H10/H10L/H22/H22L.
*2 Be sure to mount the DIN rail mounting amplifier on a DIN rail (i.e. the unit should be mounted on the metal DIN plate itself). For additional amplifier unit installation, be sure to use the end unit
*3 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.
*4 If additional amplifier units are installed, the power supply voltage is 24 VDC.

Product code
Package weight [g]
Seller warranty 1M

Item is refurbished by manufacturer, which means it comes from returns or similar. Refurbished products are fully tested for functionality and defects before they are sold. Item is provided with 1-month seller's warranty.

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