121022 v1.02-RiA
Operating instructions SG-RS 309-2
Page 6/23
Safety
Terminals Y1, Y2 and Y3, Y4 are not voltage-free.
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Continue redundancy
Make sure you wire the unit directly in the control circuit or that two channels
continue to be used in the downstream control.
Residual dangers
There are no known residual dangers associated with this product.
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Do not interconnect control units
Do not combine control units by interconnecting them.
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Fit spark absorbers
When connecting inductive loads, fit spark absorbers (RC circuits) to the con-
sumer.
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Check supply voltage
Check the supply voltage. It must correspond to the connecting voltage U
S
specified on the type plate.
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Observe correct terminal assignment
Observe the correct terminal assignment when connecting the supply volt-
age.
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Do not overload control unit
Ensure that the specified switching current is not exceeded.
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Ensure sufficient clearance
When installing the product in a switch cabinet, ensure sufficient clearance
from heat sources (at least 2 cm).
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Observe protection class
Only use the control unit in spaces with a minimum protection class of IP54
(e.g. a switch cabinet).
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Do not open the control unit
Never open, tamper with or alter the control unit.
To prevent irreparable damage to the
product
, you must observe the following
safety instructions.
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Do not exceed maximum number of sensors
Do not connect more than 5 sensors in series to the control unit.