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NetSure
™
-48 VDC Power System
Installation Instructions, IM582127000100 (Revision A, January 9, 2017)
Spec. No: 582127000100, 582127000103
Document Code: IM582127000100
Model No: 7100
Revision A, January 9, 2017
[34]
Connecting a Device or System to the NCU CAN Bus (if required)
A supporting device or system may be connected to the NCU CAN Port located on the system interface board. Refer to
for
system interface board location. Refer to
for connections details. Refer to
for pin-outs. Refer also to the external
device’s or system’s instruction manual.
General Procedure
1.
Remove the CAN termination plug from the CAN Port connector (see
for location). Connect the device or system to
the NCU Controller’s CAN port. Refer to
for pin-outs. Ensure that the last device on the controller’s CAN bus has a CAN
termination plug. Refer also to the external device’s or system’s instruction manual.
Optional SM-Temp Module
The analog output of the SM-Temp Module may be connected to an NCU temperature port input. In lieu of connecting the analog
output of the SM-TEMP module to an NCU temperature port input, the SM-TEMP module can simply be connected at the end of the NCU
CAN bus. Refer to the SM-Temp Module Instructions (UM547490) for details.
CAN Bus Procedure
1.
Remove the CAN termination plug from the CAN Port connector (see
for location). Connect the SM-Temp Module
CAN bus to the CAN Port connector. Refer to
for pin-outs. Ensure the last SM-Temp Module (or if only one) has a CAN
termination strap as shown in the SM-Temp Module Instructions (UM547490).
Table 10.
CAN Port Connections
NCU CAN
Port (RJ-45)
SM-Temp Module
CAN Port
Pin Number
Pin Number
Function
1
CAN L
TB1-5 (CAN L)
2
CAN H
TB1-3 (CAN H)
3
--
--
4
--
--
5
--
--
6
--
--
7
--
--
8
--
--
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