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Chapter Objectives
1394 SERCOS Interface
Interconnect Diagrams
Note: Information:
1
Power wiring is 3.3 mm
2
Input fuse to be Bussmann. Refer to Appendix A for fuse sizes.
3
Control Wiring: 0.82 mm
4
Allen-Bradley motor cables. Refer to Motion Control Selection Guide (publication GMC-SG001x-EN-P).
5
Contactor coil (M1) needs an integrated surge suppressors for AC coil operation.
6
Motor feedback connections are shown for example and apply to all feedback inputs.
Jumper is factory set, indicating grounded system at user site. Ungrounded sites must jumper the bleeder resistor to prevent high electrostatic
7
buildup.
8
There is no internal shunt resistor in the 22 kW system module. An external shunt resistor module (1394-SRx Ax) must be used.
The thermal switch and brake circuits are a source of conducted noise. Isolation from customer control devices may be required. A separate 24V
9
DC supply or relay can be used. Axis modules (Series C or later) include a thermal switch and motor brake filter to eliminate the need for a
separate 24V DC supply.
ATTENTION
10
!
Allen-Bradley PLCs
Interconnect Diagrams
This appendix covers the following:
•
•
•
•
The following notes apply to the interconnect diagrams on the
following pages.
2
(12 AWG), 75° C (167° F) minimum, copper wire.
2
(18 AWG) maximum, 15A maximum.
Implementation of safety circuits and risk assessment is the responsibility of the
machine builder. Please reference international standards EN1050 and EN954
estimation and safety performance categories. For more information refer to
Understanding the Machinery Directive (publication SHB-900).
1394 SERCOS interface interconnect diagrams
Thermal and brake interconnect diagrams
Motor cable pin-outs
Grounding for 1394 CE requirements
B
Appendix
Publication 1394-5.20 — July 2001
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