SICK ReLy HAND1 - Electrical integration

≥ 50≥ 50
≥ 25
Figure 3: Distances in control cabinet
R
equired distance:
•
Above and below the module: ≥50mm
•
In front of the module: ≥25mm
4.4 Electrical integration
Important information
DANGER
H
azard 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
sensors or safety switches in order to switch the enabling current paths.
DANGER
H
azard 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
Lay protected cables for the control devices.
4.4.1 Voltage supply
Prerequisites
•
T
he power supply unit is able to jumper a brief power failure of 20ms as specified
in IEC60204-1.
•
The voltage supply and connected signals meet the requirements for SELV/PELV
(EN61140) or NECClass2 (UL1310).
•
The electrical voltage supply has a suitable electrical fuse.
PROJECT PLANNING 4
8020872/1FH0/2022-10-27 | SICK O P E R A T I N G I N S T R U C T I O N S | ReLy HAND1
13
Subject to change without notice