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9.2.2.4 COM15 module
The COM15 communication module allows access to the circuit breaker via the PROFIBUS DP fieldbus interface.
Overview
(1) Connection terminals for additional inputs and outputs to provide special functions
(2) SUB-D plug, 9-pole, for PROFIBUS DP connection
(3) c LED
(4) PROFIBUS DP-LED
(5) Connecting cables to secondary connector X8
(6) c connection for connecting external c-modules or for the terminating resistor
Indicators
LED Indication Significance
PROFIBUS
DP
off No 24v dc power connected
green PROFIBUS DP communication active
red Bus fault or bus not responding
c
off
No c-modules found or
no 24v dc power connected
green c communication active
green
flashing
cdevice found, but no
connection to ETU or metering function
red c error
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