D3-DU 3xx/A, /B Connections and wiring
Project engineering manual V1.09
67
© KEBA 2021
WARNING!
Danger of personal injury due to Overload
When connecting the load to the safe relay outputs (normally open contact)
a pre-fuse of 6 A (1000 A SCPD 6 A gG / gL) which deenergizes at short cir-
cuits must be integrated.
WARNING!
No recognition of an error state
The recognition of a glued internal relais takes up to 96 ms. So after each
switch-off this time must be waited before resetting because within this time
no error detection takes place. If only one SRO is used an other measure
must ensure that within this time no danger of personal injury occurs.
WARNING!
Relay connectors must be used with a strain relief.
Safety information
● The safe relay outputs may only be used within the ranges given in the
technical data.
● The relay outputs are not suitable to switch capacitive loads.
● For inductive loads external interference suppression elements or free-
wheeling diodes must be provided.
For further information and connection examples, see safety manual "Func-
tional safety".
6.12.1 Pin assignment
0 1 2 3
Pin 0 corresponds to the upper pin of the connector on the front of the mod-
ule.
Pin no. Signal designation Description
0
SRO0 Safe relay output (SRO0)
1
2
SRO1 Safe relay outputg (SRO1)
3
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