| Model | ES-M1*1 | ES-M2*1 | ES-M1P*1 | ES-M2P*1 |
| Type | One-line expansion system | |||
| Shape | Main unit | Expansionunit | Main unit | Expansionunit |
| Operation mode | N.O./N.C. switch-selectable | |||
| Timer function | 10-ms delay / timer OFF switchable*2 | |||
| Output | NPN | PNP | ||
| 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. | ||
| 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. | |||
| 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 | |||
| Sensitivity adjustment | 25-turn trimmer | |||
| Protection circuit | Reverse power connection protection, output overcurrent protection, output surge protection | |||
| Power voltage | 12 to 24 VDC, Ripple (P-P) 10 % or less | |||
| Current/power consumption | 25 mA max. | |||
| Ambient temperature | 0 to +50 °C 32 to 122 °F*4 | |||
| Relative humidity | 35 to 85 % RH (No condensation) | |||
| 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) |