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5
SETTINGS AND PROCEDURES BEFORE
OPERATION
5.4 Wiring
5.4.1 Precautions for safety devices and wiring
5 - 28
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
FUNCTIONS
5
SETTINGS AND
PROCEDURES BEFORE
OPERATION
6
TROUBLESHOOTINGAPPENDIX
(7) Safety devices to be connected
Connect safety devices that meet the conditions as shown below.
(a) Push button switch for emergency stop
The switch that has the direct opening action (positive opening mechanism) and
complies with EN60947-5-1 or IEC60947-5-1.
(b) Door interlock switch
The switch that has the direct opening action (positive opening mechanism) and
complies with EN60947-5-1 or IEC60947-5-1.
(c) Light curtain/beam sensor switch
The switch that has reliable performance so that it can satisfy the required control
category.
The input P type of the safety relay module does not have the channel-to-channel
short-circuit diagnostics function for light curtain. Therefore, when a light curtain is
used and it needs to comply with Category 4, the light curtain must be Type 4 of
IEC/ EN61496-1.
(8) Connecting safety devices
The same safety device cannot be input to multiple modules.
Also, start-up input cannot be input to multiple input modules.
Figure 5.17 Connecting safety devices
COM
X1
X0
COM
24V IN
0V IN
Control
output 2
Control
output 1
X0
X1
COM
X1
X0
COM
X0
X1
COM
X1
X0
COM
X0
X1
Safety relay module
Safety relay module
Safety relay module
Safety relay module
COM
X1
X0
COM
X0
X1
24VDC
Safety switch
Safety light curtain