Initial Power up and Discovering

WARNING

INVOLUNTARY OPERATION OF EQUIPMENT

Precautions:

zPower off the smart relay prior to installation, deinstallation, wiring, maintenance or operation of the unit.

zThe emergency stop and the locking circuits should be configured in the software program of the smart relay.

zIn the event of failure of the relays or transistors in the output modules of the smart relay, the outputs should remain activated or deactivated. For output signals that might lead to serious accidents, install a control circuit external to the smart relay.

zInstall the modules according to the environmental operation conditions specified in the instruction bulletin.

zDo not attempt to dismantle, repair or modify the smart modules.

zUse an IEC 60127 approved fuse, in conformity with the requirements for current and voltage, to protect the power line and output circuits.

Failure to follow this instruction can result in death, serious injury, or equipment damage.

WARNING

RISK OF UNEXPECTED OPERATION

Special case of the use of the SR2COM01 modem communication extension. Sending commands may lead to modification of the status of smart relay outputs or accidental enabling of controlled equipment.

It is important to:

zKnow how the commands will affect the process or the controlled equipment,

zTake any preventive measures necessary to ensure safety when making modifications.

Failure to follow this instruction can result in death, serious injury, or equipment damage.

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SR2MAN01 11/2007

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Schneider Electric SR2MAN01 user manual Involuntary Operation of Equipment