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2-30
Connecting Your 1394 SERCOS Interface System
Wire:
Drive System
OK
Output 0
Output 1
Output 2
Output 3
Publication 1394-5.20 — July 2001
The following table provides a description of the various relay output
signals, as shown in Figure 2.19.
Description:
1
The Drive System OK
output is intended to be wired into the drive's stop
string to open the main power contactor if a drive system fault occurs. The
Drive System OK relay output can be configured to open and close based on
the status of any internal drive parameter, however it is highly recommended
that the default link to the Drive System OK parameter be used. This default
configuration will cause the Drive System OK contacts to close after 24V
control power is applied and no system faults are detected. The contact will
remain closed until a drive system fault occurs. The Drive System OK output
relay contact is rated at 115V AC, 24V DC, 1A.
The relay outputs can be configured to open and close based on the status of
any internal drive parameter. The outputs are linked to the Brake Enable/
Disable parameters to allow control of a motor brake for each axis. The
output relay contacts are rated at 115V AC, 24V DC, 1A.
1
Refer to Appendix B (Figure B.1) for a wiring diagram.
Wiring I/O Connections
These procedures assume you have determined your I/O wiring
needs and are ready to attach wires. To connect the input and output
wiring:
1. Prepare your I/O wires, 0.82 mm
stripping approximately 6 mm (0.25 in.) of insulation from the
end.
Note: Use caution not to nick, cut, or otherwise damage strands as
you remove the insulation.
2. Using a small blade type screw driver, 0.5 mm (0.02 in.), depress
the housing connector spring clamp next to the pin you are
prepared to wire and insert the wire. Refer to Figure 2.16 for an
example of how to insert wires.
3. Remove the screw driver and gently pull on the wire to make sure
it does not come out of its terminal. Re-insert and test any loose
wires.
4. Repeat steps 2 and 3 for all remaining I/O connector housing
wires.
5. Plug the connector housings into the appropriate I/O connector
on the front of the system module (refer to Figure 2.18 for
connector locations).
Connector:
Relay output pins 1 and 2
Relay output pins:
9 and 10 = Axis 0
7 and 8 = Axis 1
5 and 6 = Axis 2
3 and 4 = Axis 3
2
(18 AWG) maximum, by
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