Connection Of The Com15 Module - Siemens SENTRON VL Series System Manual

3WL air circuit breakers
3.2 COM15 module and BSS module
3.2.2

Connection of the COM15 module

The COM15 is connected by plugging it into position X7 of the auxiliary conductor plug-in
system.
Pin assignment
The figure below shows the printing on the COM15, the external pin assignment for
connecting the switch-on solenoid, the shunt release, PROFIBUS write protection, and the
free input/output.
CubicleBUS
Figure 3-3
Electrical connection to the CubicleBUS
The electrical connection to the circuit breaker and the CubicleBUS connection to the
CubicleBUS nodes inside the circuit breaker (ETU, BSS, metering function) must be
established. For this purpose, the four lines brought out of the rear of COM15 are connected
to section X8 of the auxiliary conductor plug-in system.
Further components and connections
● If the switch-on and switch-off solenoids are designed for higher voltages than 24 V DC,
coupling relays must be used.
● If the second auxiliary trip unit (F2, F3, F4) is used instead of the first auxiliary trip unit
(F1) to switch off via PROFIBUS DP, the connection points X5:11 and X5:12 must be
used.
● The free user output can be used as desired. The connection must be made in the same
way as that of a coupling link (see Figure 2-4). One application example would be control
of the F7 solenoid for retracting the red tripped plunger if option K10 is installed. As with
Open and Close, only voltages up to 24 V DC can be used (note polarity!). With other
voltages, coupling links must be used.
● The PROFIBUS line is connected to the 9-pin interface on the front of COM15.
● The CubicleBUS connection for RJ45 plugs to which the external CubicleBUS modules
can be connected is located on the rear. If no external CubicleBUS module is connected,
the terminating resistor supplied in the form of a RJ45 plug must be used.
34
DP Write
IN
Enable
External
1 2 3 4 5 6 7 8 9
Internal
COM15 pin assignment
Free Free Close
- + -
3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02
Open
OUT
+ - +
Y1 F1, F2