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

DI03/DI04: HTL encoder connection, maximum 120 kHz

DI03: Master frequency input, maximum 120 kHz

Signal level

DC +11 to +30 V

= "1" = contact closed

DC -3 to +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

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)