Firmware ≤ 11.00 - DMS 8.0 EN - 10/2011 L 273
8400 StateLine C | Reference manual
I/O terminals
Analog terminals
6.2 Analog terminals
The analog input terminals together with the analog output terminals are located on the
X3 plug connector.
Analog input terminals
The controller has two analog input terminals for detecting a current signal and a voltage
signal:
Voltage signal in the range of ± 10 V
The voltage signal can be e.g. an analog speed setpoint selection or the signal of an
external sensor (temperature, pressure, etc.).
Current signal in the range of 0/+ 4 ... + 20 mA
For open-circuit monitoring purposes, the current signal can be evaluated on a life zero
or a dead zero basis:
– 0 ... 20 mA, without open-circuit monitoring
– 4 ... 20 mA, with open-circuit monitoring
Analog output terminal
The controller has an analog output terminal for outputting an analog voltage signal
(O1U).
Note!
To avoid undefined states, free input terminals of the controller must be
assigned as well, e.g. by applying 0 V to the terminal.
Note!
Initialisation behaviour:
• After mains switching up to the start of the application, the analog output
remains set to 0 V.
Exception handling:
• In case of a critical exception in the application (e.g. reset), the analog output
is set to 0 V.
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