27
1SVC 440 795 M0100
2 Installation
The logic relay must only be installed and wired up by trained
electricians or other persons familiar with the mounting of
electrical equipment.
The logic relay is installed in the following order:
• Assemble devices if necessary
• Mounting
• Wiring up the inputs
• Wiring up the outputs
• Connecting the power supply
Mounting Install the logic relay in a control cabinet, service distribution
board or in an enclosure so that the power feed and terminal
connections cannot be touched accidentally during
operation.
Fit the logic relay on a top-hat rail in accordance with
DIN EN 50022 or fasten the logic relay with fixing brackets.
The logic relay can be mounted either vertically or
horizontally.
j
Danger of electric shock
Never carry out electrical work on the device while the
power supply is switched on.
Always follow the safety rules:
• Switch off and isolate
• Secure against reclosing
• Ensure that the device is no longer live
• Cover adjacent live parts
h
When using the logic relay with expansion units, connect
the expansion concerned before mounting (a page 30).
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