Mitsubishi Electric MELSEC iQ-R Series - Page 222

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5 SAFETY APPLICATION CONFIGURATION EXAMPLES
5.2 System to Which Multiple Safety CPUs are Connected
■Wiring diagram and parameter settings
Wire the safety switch and electromagnetic contactor to safety remote I/O module of safety programmable controllers (1) to
(3) as follows. For details on the terminal block, refer to the following.
 CC-Link IE Field Network Remote I/O Module (With Safety Functions) User's Manual
Network number 2, 3, or 4 is placed to A.
Above [1] to [6] are connected to the one with same numbers.
*1 Wire a safety switch having two normally closed contacts with direct opening action to input terminal and test pulse terminal, using a
guard switch with an interlock.
*2 Use two electromagnetic contactors operatable by 24VDC and 0.5A.
*3 Connect normally closed contact of the electromagnetic contactor between the input terminal and test pulse terminal.
Open
A1 +24V
A2 +24V
A3 24G
A5 FG
A4 24G
A1 +24V
A2 +24V
A3 24G
A5 FG
A4 24G
3X2
4X3
5X4
6X5
25 T0
26 T1
19 IO24V
20 IO24G
23 T0
24 T1
19 IO24V
20 IO24G
1Y0
2 COM-
3Y1
4 COM-
5Y2
6 COM-
L3
L2
L1
[1]
[2]
[3]
[5] [6]
[5]
[6]
[4]
[1]
[2]
[3]
[4]
24VDC
Terminal block for power supply and FG (input)
Spring clamp terminal block (input)
Spring clamp terminal block (output)
24VDC
24VDC
Safety switch
2NC*
1
CCIEF remote (A-1)
NZ2GFSS2-32D
Network No.A (A = 2, 3, 4)
Station No.1
CCIEF remote (A-1)
NZ2EXSS2-8TE
Network No.A (A = 2, 3, 4)
Station No.1
Electromagnetic
contactor*
2
*
3
Electromagnetic
contactor*
2
*
3
Guard unlock
Guard
Guard
open/
close