Toshiba G1IF4, Инструкция по эксплуатации, Страница: 45 / 129


44

6 F 2 S 0 8 7 7
6. Commissioning and Maintenance
6.1 General
The G1IF4 unit should be commissioned in conjunction with the GR relay.
Test personnel must be familiar with general relay testing practices and safety precautions to
avoid personal injuries or equipment damage.
6.2 Precautions
CAUTION

The unit is provided with a grounding terminal.
Before starting the work, always make sure the unit is grounded.

Ensure that the auxiliary supply connections are properly fixed to their terminals.

Before turning on the power, check that the polarity and voltage of the power supply are
correct.

Turn off the auxiliary supply before checking the interior of the unit.

While the power is on, do not mount/dismount the PCB.
Failure to observe any of the precautions above may cause damage or malfunction of the unit.
Refer to section 5.4 for information on handling precautions.
6.3 Preparation
Test equipment
The following test equipment is required for the commissioning tests.

DC or AC power supply.

Calibrated voltmeter.

PC
Visual inspection
After unpacking the product, check for any damage to the case. If there is any damage, the
internal module might also have been affected. Contact the vendor.
Unit ratings
Check that the items described on the nameplate on the front of the unit conform to the user’s
specification. The items are: unit type and model, and auxiliary DC supply voltage rating.
6.4 Commissioning Procedure
The G1IF4 unit should be commissioned in conjunction with the GR relay.
Ensure that all necessary communication connections are made. Apply auxiliary power to GR
relay and G1IF4 unit. Any failure in communication will be indicated by the GR relay. If
communication is healthy then proceed with commissioning.