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2-18
Connecting Your 1394 SERCOS Interface System
Publication 1394-5.20 — July 2001
Required Tools and Equipment
•
A small flathead screwdriver
•
One motor power cable for each axis
•
One axis module connector kit (included with each axis module)
for thermal switch and brake inputs. You will need one kit per
axis module as each kit contains two connectors. Refer to
Appendix C for connector kit replacement part number.
Wiring Motor Power, Thermals and Brakes
The procedures in this section assume that your system and axis
modules are already mounted. We recommend that you start at either
the first or last axis module, wire it completely, and then wire the
module next to it completely, and so on until they are all wired.
To improve the bond between the motor cable
IMPORTANT
shield and the axis module PE ground, a cable shield
clamp is included with the Series C axis modules.
To wire your 1394 axis modules:
1. Connect one end of the axis module ground wire to the system
module single point bond bar.
2. Connect the other end of the ground wire to terminal block PE1.
3. Prepare one end of the motor cable for attachment to the cable
shield clamp by removing the outer insulation and braided shield
from the motor cable. Ensure approximately 51 mm (2.0 in.) of the
insulated cable wires are exposed (refer to Figure 2.13).
4. Remove another 22 mm (.875 in.) of insulation to expose the
braided shield underneath for clamp attachment.
When cutting into the insulation use care not to
IMPORTANT
cut into the braided shield underneath.
5. Position the cable shield clamp over the exposed braided shield
(ensure clamp screw is behind clamp and not braided shield).
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