Technical Data of the Digital Inputs/Outputs if Used as Inputs

Number of channels per module 16 configurable inputs (24 V DC)
Distribution of the channels into groups 1 (16 channels per group)
Connections of the channels C0 to C15 Terminals 1 to 16
Reference potential for the channels C0 to C15 Terminals 18 and 20 (minus pole of the process voltage, name ZP)
Indication of the input signals 1 yellow LED per channel; the LED is ON when the input signal is high (signal 1). The module is powered through the I/O-Bus.
Input type according to EN 61131-2 Type 1 sink
Input signal range +24 V DC
  Signal 0 -3 V … +5 V
  Undefined signal +5 V … +15 V
  Signal 1 +15 V … +30 V
Ripple with signal 0 -3 V … +5 V
Ripple with signal 1 +15 V … +30 V
Input current per channel  
  Input voltage +24 V Typ. 5 mA
  Input voltage +5 V Typ.  1 mA
  Input voltage +15 V > 2.5 mA
  Input voltage +30 V < 8 mA
Max. permissible leakage current (at 2-wire proximity switches) 1 mA
Input delay (0->1 or 1->0) Typ. 8 ms
Max. cable length  
  Shielded 500 m
  Unshielded 300 m