Amplifier Unit, DIN Rail Type, NPN
Keyence GT-72A
General Purpose Digital Contact Sensor GT series
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Specification
| Model | GT-72A | |
| Type | Amplifier unit | |
| Mounting type | DIN rail mount*1 | |
| Output | NPN output | |
| Main unit/Expansion unit | Expansion 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-colour 13-level bar LED display (red, green), indicators (red, green) | |
| Display range | -99.999 to 999.999 | |
| Display resolution | 1 µm | |
| 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 Offenkollektor, max. 50 mA (40 V oder weniger), Restspannung: 1 V oder weniger, N.O./N.C. umschaltbar | |
| 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*3 |
| Environmental resistance | Ambient temperature | -10 to +55 °C (No freezing) |
| Relative humidity | 35 to 85 % RH (No condensation) | |
| Vibration resistance | 10 to 55 Hz, Double amplitude 1.5 mm, 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 | Instruction manual | |
| Weight | Approx. 110 g (including the power cable) | |
| *1 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 (OP-26751). *2 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. *3 If additional amplifier units are installed, the power supply voltage is 24 VDC. |
