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DEVICE DESCRIPTIONS
Disabling Fault-Messages
In case that less than 4 amps need to be monitored, disabling the pilot tone recognition for channels that are not
in use is mandatory. This can be accomplished by removing the internal jumpers JP11 - JP15 [3] on the PCB
86279 (insert the jumper only in one pin of the 2-pole bridging strip). This sets the pilot tone recognition for all
unused channels permanently to "OK".
[3]
Block Diagram
A block diagram of the modules DCS 422R and DCS 423R can be found on page 5-93.
5-92
PROMATRIX System User Handbook 1.2
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