Bender COMTRAXX CP9 Series Manual page 18

3. If the CP9xx is located at the beginning or end of the respective bus (Modbus RTU and BMS), the
respective terminating switch of the device (7) must be switched to 'ON' .
4. Establish connection with PC and BCOM: Connect the CP9xx device to the PC network using an Ethernet
cable (5).
5. Link digital inputs.
See chapter Digital inputs.
6. Connect the control relay (12):
Connection relay
7. Connect the power supply.
CAUTION
Functional earth
The device must be earthed. Without connection of the functional earth, the device function is
not guaranteed.
Electrostatic sensitive components
Observe the precautions for handling electrostatic sensitive devices.
Damage to components
Do not remove the device from the enclosure while it is in operation. Disconnect the device
from the supply voltage and from the network (Ethernet) beforehand.
Damage to the device due to incorrect connector plug
Connector plugs of other devices may have di erent polarity. Make sure to use the supplied
connector plug.
Protective separation
The power supply must be properly separated from hazardous voltages and meet the limit
values of UL/CSA 61010-1, clause 6.3.
18 CP9xx_D00349_09_M_XXEN/03.2023
N/C operation contacts 11-12
N/C (the alarm relay is energised during normal
operation).
N/O operation contacts 11-14
N/O
(the alarm relay is de-energised during normal
operation).