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19 Repair and Replacement
19.2 Fiber Optic Replacement
19.1.2 Connector Versions
1.
Read all the warnings at the beginning of this section, refer to SF910i Safety
Instruction Manual (EC-DOC-G041MAN033).
2.
If the unit to be replaced is connected to a data communication network, initially
power-on the replacement unit on a work-bench in a safe area, and configure its
protocol (MODBUS) and its node address as the unit to be replaced. Refer to
communication network parameters.
3.
Turn-off the power supply.
4.
Disconnect the quick release connector.
5.
Disconnect the earthling cable, and make sure not to lose the screw and washer.
6.
Unscrew the whole enclosure from the mechanical adapter that holds it at the light
entrance port.
7.
If an optical fiber is present, clean its cold terminal before proceeding.
8.
Mount the new unit in place.
9.
Re-connect the earthling cable with its screw and washer.
10. Reconnect the quick release connector.
11. Make a final check against the requirements of the SF910i Safety Instruction Manual
(EC-DOC-G041MAN033).
19.2 Fiber Optic Replacement
All repair/replacement operations must be executed by trained and authorized
personnel only.
Dangerous voltage (up to 50V
disconnect any dangerous voltage before proceeding.
The temperature of the hot terminal is 350°C or higher (662°F).
The unit under maintenance can be covered by ash and carbon particles.
Use protective clothing, gloves, and glasses.
8VZZ005286 B
) can be present on the relay terminals. Verify and
AC
121
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Troubleshooting
