| Model | ES-M1*1 | ES-M2*1 | ES-M1P*1 | ES-M2P*1 |
| Type | One-line expansion system |
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| Shape | Main unit | Expansionunit | Main unit | Expansionunit |
| Operation mode | N.O./N.C. switch-selectable |
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| Timer function | 10-ms delay / timer OFF switchable*2 |
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| Output | NPN | PNP |
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| Output
Control output | NPN open collector 100 mA max. 40 V, residual voltage 1 V max. | PNPopen collector 100 mA max. 26.4 V, residual voltage 1 V max. |
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| Disconnection alarm output | NPN open collector 100 mA max.
40 V,
residual voltage 1 V or less*3 | ―*3 | PNPopen collector 100 mA max.
26.4 V,
residual voltage 1 V or less*3 | ―*3 |
| Response time | 1 ms max. |
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| Temperature characteristics | Within ±8% of detecting distance at +23°C 73.4°F when within 0 to 50°C 32 to 122°F temperature range |
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| Sensitivity adjustment | 25-turn trimmer |
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| Protection circuit | Reverse power connection protection, output overcurrent protection, output surge protection |
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| Power voltage | 12 to 24 VDC, Ripple (P-P) 10 % or less |
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| Current/power consumption | 25 mA max. |
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| Ambient temperature | 0 to +50 °C 32 to 122 °F*4 |
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| Relative humidity | 35 to 85 % RH (No condensation) |
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| Weight | Approx. 65 g (including nuts and 2-m 9.8′ cable) | Approx. 35 g (including nuts and 2-m 9.8′ cable) | Approx. 65 g (including nuts and 2-m 9.8′ cable) | Approx. 35 g (including nuts and 2-m 9.8′ cable) |
