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2-12
Connecting Your 1394 SERCOS Interface System
Wire:
Description:
A user-supplied 24V AC rms or 24V DC power source. Refer to
24V Logic
Appendix A for 24V input power specifications.
360/480V AC, three-phase power input. Refer to Appendix A
360/480V AC
for system specifications for rated AC input voltage, tolerance,
Input Power
and source impedance.
The1394's ground connection to the bonded system ground bar
Ground
on the subpanel.
The1394's ground connection to the bonded system ground bar
Ground
on the subpanel.
External Shunt
Optional 1400W external shunt resistor used to dissipate
Resistor
excess regenerative energy from the system module.
Publication 1394-5.20 — July 2001
Connector Locations for 5 and 10 kW System Modules
The 1394C-SJT05-D and 1394C-SJT10-D system modules use
connectors for wiring power. You will wire the system using power
connector plugs that mate with connectors conveniently located on
the bottom of the system module. Refer to Figure 2.10 for the
connector locations.
To avoid personal injury and/or equipment damage
ATTENTION
ensure installation complies with specifications
regarding wire types, conductor sizes, branch circuit
!
protection, and disconnect devices. The National
Electrical Code (NEC) and local codes outline
provisions for safely installing electrical equipment.
Figure 2.10
Connectors for 5 and 10 kW System Modules
Note: Refer to Appendices A and B for information about three-phase
input fusing and circuit breaker information as related to the
power input. Refer to the section Connecting Your External
Shunt Resistor (5 and 10 kW Systems) for information about
wiring the optional shunt resistor to the 5 and 10 kW system
modules.
Note: The input power terminal designated PE is electrically common
to the system module single point bond bar.
Logic Power
Connector
W1 W2
Input Power
Shunt Power
Connector
Connector
U V W
P E
COL INT DC+
1394 Bottom View
Connects to
Maximum wire size:
terminal(s):
2
W1 and W2
3.3 mm
(12 AWG)
2
U, V, and W
5.3 mm
(10 AWG)
2
PE
5.3 mm
(10 AWG)
System module
2
8.4 mm
(8 AWG)
single point bond bar
2
DC+ and COL
5.3 mm
(10 AWG)
Required
(Y/N):
Y
Y
N
Y
N
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