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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,
power input
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
Used to dissipate excess regenerative energy from the system
Module
module.
Allen-Bradley PLCs
Connecting Your 1394 SERCOS Interface System
Terminal Block Locations for 22 kW System Modules
All 1394C-SJT22-D system module components use IEC terminals
instead of connectors for making power connections. You will wire
the system and axis modules using the power terminal block
conveniently located at the bottom front of the system and axis
modules. To gain access to the input power terminals, open the
system module door and look in the lower right corner. Figure 2.11
details the order of the terminal blocks.
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 2.11
Terminal Block for 22 kW System Module
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 Shunt
Module (required for 22 kW system) for information about
wiring the shunt module to the 22 kW system module.
Note: The input power terminal designated PE is electrically common
to the system module single point bond bar.
System module single point bond bar
Connects to
Maximum wire size:
terminal(s):
2
W1 and W2
3.3 mm
(12 AWG)
2
U, V, and W
8.4 mm
(8 AWG)
2
PE
8.4 mm
(8 AWG)
System module
2
8.4 mm
(8 AWG)
single point bond bar
2
DC+ and COL
8.4 mm
(8 AWG)
Publication 1394-5.20 — July 2001
2-13
1394 Front View
(Series C)
Required
(Y/N):
Y
Y
N
Y
Y
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