Digital inputs

Number of inputs

4 (+ 2)

Input type

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

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

DIO01 – DIO02: R_i ≈ 4.0 kΩ, sampling cycle ≤ 2 ms

DI03/DI04: HTL encoder connection for counter function, maximum 120 kHz

DI03: Master frequency input, maximum 120 kHz

Signal level   

DC +11 bis +30 V

= "1" = contact closed

DC –3 bis +5 V

= "0" = contact open

Sensor/actuator supply

DC 24 V according to EN 61131-2,

External-voltage proof and short-circuit proof

Maximum cable length

30 m

Permitted total current for internal supply

For all digital inputs/outputs

Total current max. 250 mA

For DI01 – DI04, DIO01 – DIO02

Total and individual current max. 250 mA

For DI05 – DI07

Total and individual current max. 100 mA

Permitted total current for external supply

For all digital inputs/outputs

Total current max. 500 mA

For DI01 – DI04, DIO01 – DIO02

Total and individual current max. 500 mA

For DI05 – DI07

Total and individual current max. 100 mA