Basler DGC-2020 Instruction Manual page 167

Connections with LSM-2020 and CEM-2020
The LSM-2020 (Load Share Module) and CEM-2020 (Contact Expansion Module) are optional modules
that may be installed with the DGC-2020. These modules interface to the DGC-2020 via CANBus, thus
the CANBUS terminals are the only common connections (Figure 6-11) between the DGC-2020, LSM-
2020, and CEM-2020. Refer to Section 8, LSM-2020 (Load Share Module), for independent LSM-2020
connections. Refer to Section 9, CEM-2020 (Contact Expansion Module), for independent CEM-2020
connections. Refer to Connections, CAN Interface, in this section for details on DGC-2020 CANBus
connections.
GND/SHIELD
CANH
CANL
Figure 6-11. DGC-2020, LSM-2020, CEM-2020 CANBus Connections
INSTALLATION FOR CE SYSTEMS
For CE compliant systems, it may be required to route ac voltage and current sensing wires separately
from other wires.
INSTALLATION IN A SALT FOG ENVIRONMENT
If the DGC-2020 will be installed in a salt-fog environment, it is recommended that the backup battery for
the real-time clock be removed. Salt fog is known to be conductive and may short-circuit the battery.
Information on removing the backup battery for the real-time clock can be found in Section 7,
Maintenance and Troubleshooting.
9400200990 Rev I
50
GND
49
CANH
48
CANL
1
GND
5
CANH
4
CANL
10
GND
11
CANH
12
CANL
DGC-2020 Installation
DGC-2020
CEM-2020
LSM-2020
P0053-21
6-17