CAUTION!
Risk of damaging the PLC modules!
The PLC modules can be damaged by overvoltages and short circuits. Make
sure that all voltage sources (supply and process voltage) are switched off
before starting system operation.
The module provides several diagnostic functions (see chapter
Ä
Chapter 1.7.2.1.10 “Diag-
nosis” on page 770).
The following figure demonstrates electrical connection of the configurable digital inputs/
outputs. The digital input/output C0 is connected as an output and the digital input/output C1 is
connected as an input. Connect the digital inputs/outputs C2...C15 in the same way.
Fig. 138: CI590-02
CAUTION!
Risk of influences to the connected sensors!
Some sensors may be influenced by the deactivated module outputs of CI590-
CS31-HA. Connect a 470 Ω / 1 W resistor in series configurable inputs/outputs
C8/C9 if using them as fast counter inputs to safely avoid any influences.
The meaning of the LEDs is described in the chapter
Ä
Chapter 1.7.2.1.11 “State LEDs”
on page 772.
1.7.2.1.4 CS31 Bus Connections
CS31 bus is connected with terminals 1.0 to 1.7 and 2.0 to 2.7 through the terminal unit. The
end-of-line resistor can also be activated by using external wire jumpers.
The following pictures describe the different possibilities of connecting CS31 buses to the
CI590-CS31-HA:
Communication Interface Modules (S500) > CS31
2019/04/17 3ADR010121, 13, en_US 763
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