6-2
Maintenance
Stand-by Unit
It is recommended to keep a stand-by Unit on hand at all times.
Fuse Replacement
The Ladder Program I/O Unit uses two fuses; one for each eight outputs. Re-
place blown fuses, after eliminating the cause, with fuses of the following specifi-
cations:
125 V, 2 A (5.2 mm dia. x 20 mm)
Replace fuses according to the following procedure.
1, 2, 3...
1.
Disconnect the PC power supply.
2.
Remove input and output connectors.
3.
Remove the Unit from the Backplane.
4.
Remove the 8 cover mounting screws (4 on each side).
5.
Remove the cover and circuit boards.
6.
Replace the fuses.
7.
To re-assemble, reverse the above procedure.
Back cover
Back
cover
mounting
screws
(8 pcs.)
Circuit board
Circuit
board
mounting
screws
(4 pcs.)
Fuse
Circuit board
(
Section 6-2
Содержание C500-LDP01-V1
Страница 1: ...C500 LDP01 V1 Ladder Program I O Unit Operation Manual Revised January 1992...
Страница 2: ......
Страница 4: ......
Страница 5: ...0 1 1 1 2 1 2 1 3 2 2 2 4 12 2 1 56 7 02 5 1 8 1 1 7 5 2...
Страница 7: ...02 4 8 02 3 3 3 8 8 3 4 3 3 4...
Страница 11: ...8 9 4 8 8...
Страница 18: ...8 3 8 02 5 02 5 8 02 2 2 3 0 5 0 1 1...
Страница 29: ...8 4 6 6 02 8 2 4 12 2 1 56 7 02 02...
Страница 37: ...3 8 4 8 4 3 5 1 8 1...
Страница 56: ...1 6 0 0 1 7 8 8 02 1 7 8 1 02 3 0 5 02 02 02 2 02 2 02 5 02 02 6 7 12 2...
Страница 57: ...3 4 6 2 1 3 0 3 4 7 02 6 7 6 02 8 2 8 0 5 7...