Operators Handbook DCU3 – System
9., Main function „Maintenance“
BAEDCU3 - Rev. 4.6 - 0504 9 - 3
9.3.2 Abbreviations (TAGs) for Digital Process Inputs
For a complete listing of the tags for digital inputs please refer to the supplement. Reserve
inputs are defined by their physical channel assignment:
– DIMnn (Digital Input Measurements): internal digital inputs of measurement amplifiers,
– DIPnn (Digital Input Process): digital input from process
9.3.3 Special Notes
The following signal levels correspond with the possible states:
state : signal level
off : 0 V
on : 5 V for internal DCU inputs, 24 V for process inputs
After operation in „manual“ mode all digital inputs must be reset to „auto“. Other-
wise the functions of the DCU3 - system will be restricted.
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