Terminal Signal Description
3.7 AO- Minus pole of analog output signals 0 and 1
3.8 UP Process voltage UP (24 VDC)
3.9 ZP Process voltage ZP (0 VDC)
4.0 C8 Signal of the configurable digital input/output
C8
4.1 C9 Signal of the configurable digital input/output
C9
4.2 C10 Signal of the configurable digital input/output
C10
4.3 C11 Signal of the configurable digital input/output
C11
4.4 C12 Signal of the configurable digital input/output
C12
4.5 C13 Signal of the configurable digital input/output
C13
4.6 C14 Signal of the configurable digital input/output
C14
4.7 C15 Signal of the configurable digital input/output
C15
4.8 UP Process voltage UP (24 VDC)
4.9 ZP Process voltage ZP (0 VDC)
WARNING!
Removal/Insertion under power
The devices are not designed for removal or insertion under power. Because of
unforeseeable consequences, it is not allowed to plug or unplug devices with
the power being ON.
Make sure that all voltage sources (supply and process voltage) are switched
off before you
– connect or disconnect any signal or terminal block
– remove, mount or replace a module.
Disconnecting any powered devices while energized in a hazardous location
could result in an electric arc, which could create a flammable ignition resulting
in fire or explosion.
Make sure that power is removed and that the area has been thoroughly
checked to ensure that flammable materials are not present prior to proceeding.
The devices must not be opened when in operation. The same applies to the
network interfaces.
NOTICE!
Risk of damaging the PLC modules!
Overvoltages and short circuits might damage the PLC modules.
– Make sure that all voltage sources (supply and process voltage) are
switched off before you begin with operations at the system.
– Never connect any voltages or signals to reserved terminals (marked with
---). Reserved terminals may carry internal voltages.
Communication Interface Modules (S500) > CS31
2019/04/17 3ADR010121, 13, en_US 781
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