Operators Handbook DCU3 – System
9., Main function „Maintenance“
BAEDCU3 - Rev. 4.6 - 0504 9 - 6
9.5 Manual Operation of Analog Inputs
In the manual mode you can disconnect an analog input, e.g. a measurement amplifier signal, from
the external equipment and simulate the input by entering a relative signal level (0 ... 100%).
9.5.1 Operating Display
Column Entry Meaning
I/O Addr.,
Tag Name
AI 01 pHR,
AI 02 TEMP, etc.
Display of tag of analog input, manual setting of operating
mode and input signal
MODE auto normal operation, external input triggers function of the
DCU3 - system
manual manual operation, input of input signal in [%] has priority
VALUE 0 ... 100% represents input signal 0 ... 10 V or 0/4 ... 20 mA
9.5.2 Abbreviations (Tags) for Analog Inputs
For a complete listing of the TAGs for analog inputs please refer to the supplement. Unas-
signed inputs use the name of their physical channel as TAG:
– AIMnn (Analog Input Measurements): internal analog inputs of measurement amplifiers
– AIPnn (Analog Input Process): external analog outputs from process
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