≥ 50
≥ 50
≥ 25
Figure 3: Distances in control cabinet
Required distance:
•
Above and below the safety relay: ≥ 50 mm
•
In front of the safety relay: ≥ 25 mm
4.4
Electrical integration
Important information
DANGER
Hazard due to lack of effectiveness of the protective device
In the case of non-compliance, it is possible that the dangerous state of the machine
may not be stopped or not stopped in a timely manner.
b
Ensure the safety relay is supplied with supply voltage in all operating statuses.
b
Ensure that the supply voltage of the safety relay is not connected via safety sen‐
sors or safety switches in order to switch the enabling current paths.
4.4.1
Enabling current paths
DANGER
Hazard due to lack of effectiveness of the protective device
b
Ensure the enabling current paths are supplied by the same voltage supply.
4.4.2
Application diagnostic output
Application diagnostic output Y1
The signal of the Y1 application diagnostic output changes as soon as the enabling cur‐
rent paths switch. The application diagnostic output is not safe.
PROJECT PLANNING
4
8020868/ZX84/2018-11-15 | SICK
O P E R A T I N G I N S T R U C T I O N S | ReLy EMSS1
13
Subject to change without notice
