Connection Safety circuits
SD-/SQ series 4 - 11
Example 2
The following figure presents an example of the configuration of a safety circuit using the output to
output the operating mode.
EMERGENCY-STOP input I/O connected
External EMERGENCY-STOP switch E = I (input) ✔
Door contact E = I (input) ✔
Activation unit input E = I (input) ✔
Error output A = O (output) —
Auxiliary axle output A = O (output) —
Operating mode output A = O (output) —
External relay connection — ✔
Tab. 4-1:
Inputs and outputs
R001515E
Fig. 4-12:
Configuration of a safety circuit (Example 2)
NOTE
To facilitate clarity, some information has been omitted from the figure; the figure therefore
deviates from the actual conditions of the product.
1A/1B
2A/2B
3A/3B
4A/4B
5A/5B
6A/6B
8A/8B
9A/9B
1A/1B
2A/2B
3A/3B
4A/4B
10A/10B
11A/11B
5A/5B
6A/6B
EMGIN1/2
EMGIN1/2
EMGOUT1/2
EMGOUT1/2
}
RA
RA
RA
RA
RA
RA
RA
Control unit 1
EMERGENCY-
STOP
EMERGENCY-
STOP
Internal
safety
circuit
Control output
Auxiliary axles
Unassigned
Input
door contact
Error
output
including
SW EMERGENCY-STOP
Output for
operating
Activation
unit
External
EMERGENCY-
Input
Activation unit
Bridge
Peripheral units
Internal
safety
circuit
Door
Output for
system
EMERGENCY-STOP
(to be provided by
Output for
door contact
Activation unit switch
JOG Box release switch
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