AB Quality Allen-Bradley 1394, User Manual

Page: 276 / 301

Publication 1394-5.0 — May 2000
C-14 Using the Human Interface Module (HIM)
Removing the HIM
You can remove the HIM and use it as a hand-held unit, up to 10
meters (33 feet) from the system.
Removing the HIM from the HIM Cradle
To remove the HIM from the HIM cradle:
1. If you intend to disconnect the HIM, complete the steps in the
Removing Power From the HIM section.
2. Open the 1394 System Module door.
3. On the inside of the door, there are four slots, one in each corner
of the HIM cradle. Insert a screwdriver into each slot, one slot at a
time, and gently push the tab holding the HIM to the outside until
that corner of the HIM is no longer restrained. When the HIM is
no longer restrained, it will pop out of the cradle.
Disconnecting the HIM from the System Module
Important: Disconnecting a HIM (or other SCANport device) from
the 1394 while power is applied can cause a Serial Fault.
Before you disconnect the HIM, you need to disable it. To disable the
HIM:
1. At the HIM, press ENTER. The following message appears:
2. Press SEL. The cursor moves to the bottom line.
3. Press either the up or down arrow key until the following appears:
4. Press ENTER. The system records your choice and the cursor
moves to the top line.
5. Press ENTER. The following message appears:
6. Press SEL. The cursor moves to the bottom line.
7. Press ENTER. The system records your choice and the cursor
moves to the top line.
!
ATTENTION: To avoid an electric shock hazard, use
extreme caution when removing/replacing the HIM
cable. Some voltages present behind the System Module
front cover are at incoming line potential.
Choose Mode
Start Up
Choose Mode
Control Status
Control Status
Control Logic