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Diagnostics
8.2. Signal Output
The short-circuit proof signal output can be connected to a PLC, for example, for central displays or control
tasks.
DANGER!
• The signal output is not a safety-relevant output!
Input signal, magnet activation
IN
Normal sequence, door has been locked
OUT
Door could not be locked or error
OUT
Figure 3: Signal Output Performance
Key
Lock
Unlock
Door open
Lock-out time (typical 100…150 ms, maximum: 1 s)
Door closed
Door locked
Door not locked or error
SPS/PLC
SD4I
Mag
Signal
E1.0
A1.0
M1.0
M2.0
A1.0
E1.0
&
A1.0
E1.0
&
Door can be locked
Mag = 1 = lock
Door is locked
Figure 4: Signal Output Evaluation
