Wiring your external shunt resistor – Rockwell Automation 1394-SR10A External Shunt Resistor Kit User Manual

Page 3

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1394 External Shunt Resistor Kit

3

Publication 1394-5.6 — December 1999

3. Using two M10 (3/8 in.) bolts, mount the shunt resistor assembly

vertically on a flat rigid metal surface that will not be subjected to
shock, vibration, moisture, oil mist, dust or corrosive vapors.

Note: To extend the leadwire length up to 15 m (49 ft total

overall length), use MTW, 105

°

C (302

°

F), Class H

insulated wire (UL styles 3349, 3374, or equivalent).

Wiring Your External Shunt

Resistor

To wire your 1394-SR10A shunt resistor:

1. Verify that all power is removed from the system as described in

Mounting Your External Shunt Resistor above.

2.

Wiring Your External Shunt Resistor (Series A and B)

1. Open the front door of the 1394 system module.

2. Remove and discard the COL/INT jumper wire from the power

terminal block in the lower right corner, as shown in Figure 2.

Figure 2

1394 System Module Jumper Removal (Series A and B)

If your system module is:

Do this:

Series A and B

Go to Wiring Your External
Shunt Resistor (Series A and B)
.

Series C

Go to Wiring Your External
Shunt Resistor (Series C)
.

Jumper

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