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Mitsubishi Electric MELSEC iQ-R Series User Manual Page 96

Cc-link ie field network waterproof/dustproof remote i/o module (with safety functions).
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2.
Provide another current path by connecting a diode across positive and negative of the load power supply. When taking
the action described in Example 1 at a time, connect a diode parallel to C1 and R1.
Safety remote I/O module
Source + Source output
Y0
ON
24G (L PW)
Y1
OFF
24G (L PW)
+24V (L PW)
24G (L PW)
Safety remote I/O module
Sink + Source output
Y0+
ON
Y0-
ON
Y1+
OFF
Y1-
OFF
+24V (L PW)
24G (L PW)
D1:
Reverse voltage VR (VRM)
*2
Forward current IF (IFM)
*1 Approximately 10 times as large as the rated voltage in the specifications
Example: 24VDC  Approximately 200V
*2 Twice as much as the maximum load current in the specifications or more
Example: 8A  16A or higher
10 TROUBLESHOOTING
10.6 Fault Examples with the Safety Remote I/O Module
- Back EMF+
[3]
Load
[2]
Load
D1
C1 R1
Ex.1
[3]
- Back EMF+
Load
[2]
Load
D1
C1 R1
Ex.1
*1
[1]
Shut off
[1]
Shut off

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