Digital inputs

Number of inputs

4

Input type

PLC-compatible according to EN 61131-2 (digital inputs type 3)

DI01 – DI04: R_i ≈ 4.5 kΩ, sampling cycle ≤ 2 ms

Signal level   

DC +11 to +30 V

= "1" = Contact closed

DC -3 to +5 V

= "0" = Contact open

Sensor/actuator supply

DC 24 V to EN 61131-2,

External-voltage-proof and short-circuit proof

Maximum line length

30 m

Permitted total current for internal supply

100 mA (total of all connected sensors/actuators, maximum individual load: 100 mA)

Permitted total current for external supply

100 mA (total of all connected sensors/actuators, maximum individual load: 100 mA)