8400 StateLine C | Reference manual
I/O terminals
Digital terminals
254 L Firmware ≤ 11.00 - DMS 8.0 EN - 10/2011
6.1 Digital terminals
The digital input terminals and the digital output terminal are arranged on plug connector
X4.
Digital input terminals
The controller has 4 parameterisable input terminals (DI1 ... DI4) for detecting digital
signals. The RFR control input for enabling the controller has a permanent connection to
the device control.
Digital output terminals
The drive controller has
a parameterisable output terminal (DO1) for outputting digital signals,
a relay output (terminal strip X101),
Note!
Initialisation behaviour:
• After mains switching up to the start of the application, the digital output
remains set to FALSE.
Exception handling:
• In case of a critical exception in the application (e.g. reset), the digital output
is set to FALSE considering the terminal polarity parameterised in C00118
.
Switching cycle diagnostics of the relay:
• A reference for evaluating the wear limit can be obtained via the number of
switching cycles of the relay displayed in C00177/2
.
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