OMNI 4000/7000 Operations and Maintenance Guide
– Rev F
7-56
Maintenance
6.
a. Replace the malfunctioning fuse with
a new one, following the
specifications for the Standard Back
Panel indicated in Table 7-1.
b. Carefully apply downward pressure
and turn the base of the fuse holder
clockwise to re-install the fuse. Do not
over-tighten (the fuse holder will stop
when tightened sufficiently).
c. Verify that the fuse cartridge is fully
seated.
7.
Repeat Steps 5 and 6 for the second fuse,
if needed.
When finished, go to Step 16 to complete
the fuse maintenance.
8.
The standard extended back panel has
one 1/4 turn AC cartridge fuse, one DC
power fuse and eight loop power fuses
(F1
–F8) that are installed in clips (Table
a. For the AC cartidge fuse, go to
Step 9.
b. For the clip-installed fuses, go to
Step 11.
9.
a. To remove the AC cartridge fuse, use
a flat-head screwdriver and insert the
head into the slot at the top of the
fuse holder.
b. Apply downward pressure and turn
the screwdriver counter-clockwise to
remove the fuse.
10.
a. Replace the malfunctioning fuse with
a new one, following the
specifications for the AC 5x20 fuse
indicated in Table 7-2.
b. Carefully use the screwdriver to apply
downward pressure and turn the fuse
holder clockwise. Do not over-tighten.
c. Verify that the fuse cartridge is fully
seated.
11.
To remove a clip-installed fuse, disconnect
its power connections to the field device
before removing the fuse.
Содержание 4000 Series
Страница 1: ...Series 4000 7000 Operations Maintenance Guide...
Страница 21: ...OMNI 4000 7000 Operations and Maintenance Guide Rev F 2 4 OMNI 4000 7000 Overview Figure 2 2 OMNIPANEL...
Страница 23: ...OMNI 4000 7000 Operations and Maintenance Guide Rev F 2 6 OMNI 4000 7000 Overview Figure 2 4 OMNI Modbus Tester...
