Emerson NetSure 721NPBB - Page 46

NetSure
™
-48V DC Power System
User Instructions, UM582127000 (Issue AD, January 20, 2014)
Spec. No: 582127000 Code: UM582127000
Model No: 721NPBB Issue AD, January 20, 2014
[38]
Figure 24. SM-DU+ and Shunt Interface Assembly Connector Locations
T
B
1
-
TB2
Wire Size Capacity: 16-26 AWG.
Recommended Torque: 2.2 in-lbs.
SM-DU+ and
Shunt Interface Board
pow e r
can
RS485
RS485
SHUNT SHUNT FUSE
RS 23 2
SW1 SW2
J1
J7 J8 J6
J3 J4 J4A
J5
ON
OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
Red Indicator
Yellow Indicator
Green Indicator
Shunt Interface BoardSM-DU+
1A
1B
TB1 TB2
J2J1