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Wiring 1394 GMC and GMC Turbo Systems
Drive Enable Output
The +/- Axis Enable is a signal from the 1394 system module that is
used to control a DPDT relay in the 1394-DIM. This enable output is
a normally open, unpowered (dry) signal.
Figure 4.27
Drive Enable Output
1394-DIM
Axis Enable+
P x -4
Axis Enable-
P x -3
Analog Output
The analog output is an isolated signal provided by the 1394-DIM and
has a range of ±10V. The signal is either a torque or velocity
command, depending on the configuration of the remote drive. The
command is processed by the Bulletin 1394 System Module through a
12-bit Digital-Analog Converter (DAC). An output offset of ±80 mV
can be compensated to 0V through software configuration.
Figure 4.28
Analog Output
1394-DIM
Axis OUT+
P x -1
Axis OUT-
P x- 2
For additional DIM signal descriptions refer to Appendix A.
Normally
Open Relay
Note: x = axis connector number
Note: x = axis connector number
Publication 1394-5.0 — May 2000
4-25
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Troubleshooting
