Technical Data of the Digital Inputs

Number of channels per module 8 transistor inputs (24 VDC)
Distribution of the channels into groups 1 group for 8 channels
Galvanic isolation Yes, per group
Connections of the channels I0 to I7 Terminals 2 to 9
Reference potential for the channels I0 to I7 Terminal 1
Indication of the input signals 1 yellow LED per channel; the LED is ON when the input signal is high (signal 1) and the module’s logic is in operation
Input type according to EN 61131-2 Type 1 source Type 1 sink
Input signal range -24 VDC +24 VDC
Signal 0 -5 V … +3 V -3 V … +5 V
Undefined signal -15 V … - 5 V +5 V … +15 V
Signal 1 -30 V … -15 V +15 V … +30 V
Ripple with signal 0 Within -5 V … +3 V Within -3 V … +5 V
Ripple with signal 1 Within -30 V … -15 V Within +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. 0.1 to 32 ms (configurable via software), default: 8 ms
Max. cable length  
  Shielded 500 m
  Unshielded 300 m