# Digital input

Nominal input: 24V ± 10%.

Pin | Signal Name | Dir | Description
--- | --- | --- | ---
1 | 24V_OUT | Power out |
2 | 24V_OUT | Power out | For pin 1-5: Maximum cable length 3 m. The I/O IN connector includes a low current 24 V / max 50 mA output intended to drive the opto couplers, which are sinking 24 V inputs.
3 | GND_GND | Power out
4 | GND_GND | Power out
5 | GND_GND | Power out |
6 | DIG_IN_GND | Input Gnd | Common Input Gnd.
7 | DIG_IN1 | Input | Sinking input.
8 | DIG_IN2 | Input | Sinking input.
9 | DIG_IN3 | Input | Sinking input.
10 | DIG_IN4 | Input | Sinking input.