Installation manual

Publication 1394-IN002B-EN-P — February 2004
3-34 Connecting Your 1394 SERCOS Interface System
Understanding External
Shunt Connections
Follow these guidelines when wiring your Bulletin 1394 External
Shunt Resistor/Module.
Refer to Appendix B for the 1394 interconnect diagrams.
Figure 3.16
System Module Jumper
1
This is the factory default jumper setting.
IMPORTANT
When tightening screws to secure the wires, refer to
the tables beginning on page 3-13 for torque values.
IMPORTANT
To ensure system performance, run wires and cables
in the wireways as established in Chapter 1.
If your
application
requires an:
Catalog Number:
And you are wiring to
this 1394C system
module:
Then:
Internal Passive
Shunt Resistor
N/A
1394C-SJT05-D or
1394C-SJT10-D
• Verify the internal shunt jumper is in place between COL and INT,
as shown in Figure 3.16.
External Passive
Shunt Resistor
1394-SR10A
• Remove the internal shunt jumper between COL and INT.
• Refer to Planning Your Panel Layout and Mounting Your External
Shunt Resistor Kit in Chapter 1.
• Refer to System Module Input Power Pin-outs in Chapter 2.
• Refer to The Shunt Module Interconnect Diagrams in Appendix B.
External Passive
Shunt Module
1394-SRxxxx 1394C-SJT22-D
COL INT DC+
Shunt Power
Connector
Jumper
1
1394C-SJT05-D or -SJT10-D
System Module (bottom view)