ES seriesSeparate Amplifier Proximity Sensor

ES-M1

Amplifier Unit, Main Unit, NPN

SPECIFICATIONS

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Model

ES-M1*3

Type

One-line expansion system

Sensitivity adjustment

25-turn trimmer

Response time

1 ms max.

Operation mode

N.O./N.C. switch-selectable

Timer function *1

10-ms delay / timer OFF switchable

Temperature fluctuation

Within ±8% of detecting distance at +23°C (73.4°F) when within 0 to 50°C (32 to 122°F) temperature range

Control output

NPN open collector 100 mA max. 40 V, residual voltage 1 V max.

Disconnection alarm output *2

NPN open collector 100 mA max.
40 V,
residual voltage 1 V or less

Protection circuit

Reverse power connection protection, output overcurrent protection, output surge protection

Power supply

12 to 24 VDC, ripple (P-P) 10% max.

Current/power consumption

25 mA max.

Ambient temperature

0 to 50°C (32 to 122°F)*4

Relative humidity

35 to 85%, No condensation

Weight (including nuts and 2-m 6.6' cable)

Approx. 65 g

*1 During N.O. operating configuration, the off delay timer is 10 ms. During N.C., the on delay timer is 10 ms.
*2 Broken connection warning output is not available on the ES-M2(P).
*3 The ES-M1(P)/M2(P) cannot be connected to the EH-422, 430, 440 or 290.
*4 The ambient temperature changes according to the following conditions when expansion units are added. When adding units, always attach them to a DIN rail (metal plate) and set the output current to 20
mA or less.
1 to 10 expansion units: 0 to 50˚C (32 to 122.0˚F)
11 to 16 expansion units: 0 to 45˚C (32 to 113.0˚F)

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