7.2 SIOX extension module terminal diagram
ThefollowingfigureshowsaSIOX(SerialIOExtension) extension module with switches.
The description of the connection and terminal assignments for the digital inputs, the relay outputs and the
SIOX interface is provided on the following pages. For detailed information about the connection, configuration
and special features of the SIOX extension module, see chapter DIN rail mounting - SIOX Extension Module.
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DANGER
Warning about dangerous electrical voltage! Danger to life - Danger of electric shock or
malfunction! The following points must be strictly observed for the cabling:
Before detaching or inserting plug contacts on the extension module, the system must be
disconnected from the power supply!
To protect stripped wires, the use of wire end ferrules with plastic collars is mandatory on all
COMBICON mating connectors for 230 V AC!
In order to guarantee reverse polarity protection, only coded mating connectors may be used on the
connectors of the assembly.
All connection cables from and to the extension module - with the exception of the relay outputs
and the digital inputs - must be shielded. Otherwise malfunctions, e.g. faulty measurements,
cannot be ruled out.
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