VEGA VEGALOG 571 AR - Manual (Page 11)

5 Connecting to power supply
5.1 Preparing the connection
Always observe the following safety instructions:
l
Connect only in the complete absence of line voltage
l
If overvoltage surges are expected, overvoltage arresters
should be installed
In hazardous areas you should take note of the appropriate
regulations, conformity and type approval certificates of the
sensors and power supply units.
The module card is powered via the common power supply
unit of the VEGALOG system.
You can find detailed information on the power supply in the
"Technical data" in the "Supplement".
5.2 Connection cable
Power supply is connected with standard cable acc. to the
national installation standards.
To connect the relay outputs, standard cable according to the
national installation standards can be used. Make sure that the
cross-section is sufficient by taking the current load and
voltage loss into account.
Note safety instructions
Take note of safety
instructions for Ex
applications
Select power supply
Selecting the connection ca-
ble
VEGALOG 571 AR - Output card relay 11
Connecting to power supply
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