AB Quality Allen-Bradley 1394 User Manual page 107

Wiring 1394 GMC and GMC Turbo Systems
To wire the cable flying leads to the DIM cable connector:
1. Turn off the power to the system (i.e., 1394 system external
drives and other control hardware).
ATTENTION: To avoid a shock hazard or personal
injury, verify that all power has been removed before
!
proceeding. This system may have multiple sources of
power. More than one disconnect switch may be
required to de-energize the system.
ATTENTION: To avoid hazard of electrical shock,
verify that all voltage on the capacitors has been
!
discharged before attempting to service, repair or
remove this unit. This product contains stored energy
devices. You should attempt the procedures in this
document only if you are qualified to do so, and are
familiar with solid-state control equipment and the
safety procedures in publication NFPA 70E.
2. Look at the cable connector to make sure the terminal is open.
The figure below shows a terminal open and a terminal closed.
Figure 4.30
Open and Closed Terminal
Terminal closed
Terminal open
3. Using the table below, follow the correct procedure for each
termination point:
If the terminal is: Do this:
Closed
Open
4. Turn the clamping screw counter-clockwise several times with a
small, flat-head screwdriver to open the termination point.
Go to step 4.
Go to step 5.
Publication 1394-5.0 — May 2000
4-27