Parameter Value
Reference potential for all digital inputs and
outputs
Minus pole of the supply voltage, signal name
ZP
Address setting
Diagnosis, refer to
Ä
Chapter 1.7.2.1.10
“Diagnosis” on page 770
With two rotary switches on the front panel
Operating and error displays 27 LEDs altogether
Weight (without terminal unit) Approx. 125 g
Mounting position Horizontal or vertical with derating (output load
reduced to 50 % at 40 °C per group)
Cooling The natural convection cooling must not be hin-
dered by cable ducts or other parts in the
switch-gear cabinet.
NOTICE!
Attention:
All I/O channels (digital and analog) are protected against reverse polarity,
reverse supply, short circuit and continuous overvoltage up to 30 VDC.
Multiple overloads
No effects of multiple overloads on isolated multi-channel modules occur, as
every channel is protected individually by an internal smart high-side switch.
Configurable Digital Inputs/Outputs
Each of the configurable digital I/O inputs/outputs is defined as input or output by the user pro-
gram. This is done by interrogating or allocating the corresponding channel.
Parameter Value
Number of channels per module 16 inputs/outputs (with transistors)
Distribution of the channels into groups 1 group of 16 channels
Connection of the channels C0 to C7 Terminals 3.0 to 3.7
Connection of the channels C8 to C15 Terminals 4.0 to 4.7
Indication of the input/output signals 1 yellow LED per channel, the LED is ON if the
input/output signal is high (signal 1)
Electrical isolation Yes, between the I/O channels and the rest of
the module
Communication Interface Modules (S500) > CS31
2019/04/17 3ADR010121, 13, en_US 775
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