Mitsubishi Electric MELSEC iQ-R Series - Page 178

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5 SAFETY APPLICATION CONFIGURATION EXAMPLES
5.2 System to Which Multiple Safety CPUs are Connected
■Wiring diagram and parameter setting
Wire the emergency stop switches and safety relays 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 [4] are connected to the one with same numbers.
*1 Connect an emergency stop switch having two normally closed contacts with direct opening mechanism between input terminal and test
pulse terminal.
*2 Connect normally closed contact of the safety relay between the input terminal and test pulse terminal.
A1 +24V
[1]
[2]
[3]
[4]
[1]
[2]
[3]
[4]
A2 +24V
A3 24G
A5 FG
A4 24G
A1 +24V
A2 +24V
A3 24G
A5 FG
A4 24G
1X0
2X1
3X2
5X4
4X3
19 IO24V
20 IO24G
21 T0
22 T1
23 T0
24 T1
19 IO24V
20 IO24G
1Y0
2 COM-
3Y1
4 COM-
*
2
24VDC
Terminal block for power supply and FG (input)
Spring clamp terminal block (input)
Spring clamp terminal block (output)
24VDC
24VDC
Emergency
stop switch*
1
Safety relay
Safety relay
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