8-6 DGC-2020 LSM-2020 (Load Share Module) 9400200990 Rev I
5.50 [139.7]
15
16
17
18
6.38 [162.0]
7.50 [190.5] 8.38 [212.8]
1.39 [35.3]
1
2
3
4
5
6
7
8
9
10
11
12
13
14
P0052-36
P2
J3
Figure 8-3. LSM-2020 Overall Dimensions
Connections
LSM-2020 connections are dependent on the application. Incorrect wiring may result in damage to the
module.
Terminations
There are two types of interface terminals: plug-in connectors with screw-down compression terminals
and an RJ-45 socket.
The RJ-45 socket mates with a standard ethernet cable and provides local communication between the
LSM-2020 and a PC running BESTCOMSPlus software. This allows for setting of the LSM-2020 and for
the DGC-2020 that the module is connected to.
LSM-2020 connections are made with an 18-position connector with screw-down compression terminals.
This connector plugs into a header on the LSM-2020. The connector and header have a dovetailed edge
that ensures proper connector orientation. The connector and header are uniquely keyed to ensure that
the connector mates only with the correct header. Connector screw terminals accept a maximum wire
size of 12 AWG. Maximum screw torque is 4 inch-pounds (0.45 N•m).
NOTE
Operating power from the battery must be of the correct polarity. Although
reverse polarity will not cause damage, the LSM-2020 will not operate.
Be sure that the LSM-2020 is hard-wired to earth ground with no smaller than 12
AWG copper wire attached to the chassis ground terminal (P2-1) on the module.
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