Basler Electric DGC-2020ES - Manual (Page 197)

9469200990 Rev C 189
Figure 89. CEM-2020H Overall Dimensions
Connections
Contact Expansion Module connections are dependent on the application. Incorrect wiring may result in
damage to the module.
Note
Operating power from the battery must be of the correct polarity.
Although reverse polarity will not cause damage, the CEM-2020 will
not operate.
Be sure that the CEM-2020 is hard-wired to earth ground with no
smaller than 12 AWG copper wire attached to the chassis ground
terminal on the module.
Terminations
The terminal interface consists of plug-in connectors with screw-down compression terminals.
CEM-2020 connections are made with one 5-position connector, two 18-position connectors, and two 24-
position connectors with screw-down compression terminals. These connectors plug into headers on the
CEM-2020. The connectors and headers have dovetailed edges that ensure proper connector orientation.
The connectors and headers are uniquely keyed to ensure that the connectors mate only with the correct
headers. Connector screw terminals accept a maximum wire size of 12 AWG (3.31 mm
2 ). Maximum
screw torque is 5 inch-pounds (0.56 N
•m).
5.50 [139.7]
6.38 [162.1]
7.50 [190.5]
8.38 [212.9]
2.23 [56.6]
DGC-2020ES CEM-2020