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2. Methods of Replacing the Modules
CAUTION When handling a module, take anti-static measures such as wearing an earthed
wrist band and placing modules on an earthed conductive mat. Otherwise, many
of the electronic components could suffer damage.
CAUTION After replacing the SPM module, check all of the settings including the data
related the PLC, IEC103 and IEC61850, etc. are restored the original settings.
The initial replacement procedure is as follows:
1). Switch off the DC power supply.
Hazardous voltage may remain in the DC circuit just after switching off the
DC power supply. It takes about 30 seconds
for the voltage to discharge.
2). Remove the front panel cover.
3). Open the front panel.
Open the front panel of the relay by unscrewing the binding screw located on the left side of the
front panel.
Case size : 1/2”inchs
4). Detach the holding bar.
Detach the module holding bar by unscrewing the binding screw located on the left side of the
bar.
WARNING