Safety Devices And Wiring Example - Mitsubishi Electric MELSEC QS SERIES User Manual

6
PROCEDURES AND SETTINGS BEFORE SYSTEM
OPERATION

6.5.6 Safety devices and wiring example

This section describes the wiring between the safety remote I/O module and safety
devices.
To satisfy the wiring requirements specified in Category 4, the following two points must be
executed in the safety remote I/O module.
The following shows an example of wiring between the safety remote I/O module and the
safety device to meet the above points.
For details on the wiring with safety devices, refer to the "Safety Application Guide".
(1) Wiring example of the QS0J65BTB2-12DT (input)
24VDC
Safety switch
Safety sensor, etc.
24VDC
24V IN Control
output 1
Control
4V IN
output 2
Figure 6.13 Wiring example (with a safety switch (2 NC contacts) and a safety sensor)
6
- 21 6.5 Wiring
6.5.6 Safety devices and wiring example
• Double input/output wiring
• Execution of the self-diagnostic function (dark test)
+24V
Reserve
connection
I/O24V
TB60
protection
circuit
I/O24G
Voltage
TB61
conversion
circuit
1000V
T1
TB7
T1 TB33
T0
TB3
T0
TB29
X0
TB2
X1
TB4
X2
TB6
X3
TB8
COM-
TB1
+24V
COM- TB31
COM+ TB17
COM+ TB18
COM+
TB35
COM+ TB36
5VDC
GND
Internal
circuit
Insulation
+24V
TB41
24VDC
24G
TB43
CC-Link
1000V
dedicated cable
DA
TB37
DB
TB38
DG
TB39
TB40
SLD
FG
TB42