1 I/O bus
2 Allocation between terminal number and signal name
3 5 system LEDs
4 16 yellow LEDs to display the signal states of the configurable digital inputs/outputs C0 to
C15
5 2 rotary switches to set the module's address (00d to 99d)
6 1 green LED to display the process voltage UP
7 2 red LEDs to display errors
8 DIN rail
9 Terminal unit
Sign for XC version
1.7.2.1.1 Intended Purpose
The High Availability CS31 bus module CI590-CS31-HA is used as a decentralized I/O module
on CS31 field buses. The CI590-CS31-HA contains two RS485 interfaces for connecting the
module to two separate CS31 buses to have redundancy/backup or high availability. In addition,
the CI590-CS31-HA provides 16 I/O channels with 16 configurable digital inputs/outputs
(C0...C15) in one group. This group can be used as follows:
● 24 VDC input
● 24 VDC transistor output, 0.5 A (max.), short-circuit and overload protected
● re-readable output (combined input/output) with identical technical data of the digital inputs
and outputs
The inputs and outputs are group-wise electrically isolated from the CS31 buses and from other
modules. Each CS31 bus is electrically isolated from other terminals.
Communication Interface Modules (S500) > CS31
2019/04/173ADR010121, 13, en_US760
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