Bender COMTRAXX CP9 Series Manual page 16

Connect the CP9xx as follows:
1. Modbus RTU connection:
Connect terminals AMB and BMB (7) to the Modbus RTU (A to A, B to B).
2. BMS bus connection:
Connect terminals ABMS and BBMS (7) to the BMS bus (A to A, B to B).
AMB BMB SMB ABMS BBMS
AMB BMB SMB
ABMS BBMS
3. If the CP9xx is located at the beginning or end of the respective bus (Modbus RTU and BMS), the res-
pective terminating switch of the device (8) must be switched to "ON".
Modbus RTU BMS
4. Establish connection with PC and BCOM:
Connect the CP9xx device to the PC network using an Ethernet cable (6).
5. Connecting digital IN- and OUT
See chapter „3.3 Digital inputs and outputs".
6. Connect Relay (if required)
7. Connect voltage supply:
Damage to the device by using anincorrect connector plug
An existing connector plug of another device may have a different polarity. It is
CAUTION
nesessary that you use the supplied connector plug (A1+/A2-).
Connect terminals A1/+ and A2/- (5) to the voltage source. The CP907 can also be supplied via Ethernet
(PoE). For further information, please refer to the technical data.
8. Attach the front plate to the built-in flush-mounting box.
16
SBMS
SBMS
Terminierung
Modbus RTU
BMS-Bus
:
11 12 14 N/C
N/O
Installation, connection and commissioning
Quiescent current circuit Contacts 11- 12
(The alarm relay is energized in normal operation)
Working current circuit Contacts 11-14
(The alarm relay is de- energized in normal operation)
CP9xx_D00349_07_M_XXEN/01.2020