Digital Inputs/Outputs if Used as Inputs
Parameter Value
Number of channels per module 16 digital inputs
Reference potential for all inputs Terminals 1.9, 2.9, 3.9 and 4.9 (minus pole of
the process supply voltage, signal name ZP)
Input current per channel:
Input voltage +24 V Typ. 5 mA
Input voltage +5 V > 1 mA
Input voltage +15 V > 2 mA
Input voltage +30 V < 8 mA
Input type acc. to EN 61131-2 Type 1
Input delay (0->1 or 1->0) Typ. 8 ms, configurable from 0.1 to 32 ms
Input signal voltage 24 VDC
Signal 0 -3 V...+5 V *)
Undefined signal > +5 V...<+15 V
Signal 1 +15 V...+30 V
Ripple with signal 0 Within -3 V...+5 V *)
Ripple with signal 1 Within +15 V...+30 V
Max. cable length:
Shielded 1000 m
Unshielded 600 m
*) Due to the direct connection to the output, the demagnetizing varistor is also effective at the
input (see figure) above. This is why the difference between UPx and the input signal may not
exceed the clamp voltage of the varistor. The varistor limits the voltage to approx. 36 V. Fol-
lowing this, the input voltage must range from -12 V to +30 V if UPx = 24 V and from
-6 V to +30 V if UPx = 30 V.
Digital Inputs/Outputs if Used as Outputs
Parameter Value
Number of channels per module Max. 16 transistor outputs
Reference potential for all outputs Terminals 1.9, 2.9, 3.9 and 4.9 (minus pole of
the process supply voltage, signal name ZP)
Common power supply voltage For all outputs: terminals 1.8, 2.8, 3.8 and 4.8
(plus pole of the process supply voltage, signal
name UP)
Output voltage for signal 1 UP (-0.8 V)
Output delay (0->1 or 1->0) On request
Output current:
Rated value, per channel 500 mA at UP = 24 V
Maximum value (all channels together) 10 A
Leakage current with signal 0 < 0.5 mA
Rated protection fuse on UP 10 A fast
Communication Interface Modules (S500) > CS31
2019/04/173ADR010121, 13, en_US776
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