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Mitsubishi Electric NZ2GN2B1-32D User Manual Page 104

Programmable controller cc-link ie tsn remote i/o module.
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■Action
Take one of the two actions shown below.
1.To suppress the back electromotive force, connect a diode parallel to the load where back electromotive force is generated.
• Sink output
[3]
Back electromotive
+
force
-
Load
• Source output
[3]
Back electromotive
-
+
force
Load
2.Configure another current path by connecting a diode across positive and negative of the external power supply. When
taking the action described in Example 1 at a time, connect a diode parallel to C1 and R1.
Back electromotive
Sink output
Y0
ON
[2]
Y1
OFF
COM-
C1 R1
CTL+
Example 1
Back electromotive
Source output
Y0
ON
Y1
OFF
COM+
C1
CTL-
Example 1
D1:
Reverse voltage VR (VRM)
*2
Forward current IF (IFM)
*1 Approximately 10 times the rated voltage in the specifications
Example: 24VDC → Approx. 200VDC
*2 Twice the maximum load current (common) in the performance specifications or more
Example: 5A/1 common → 10A or more
11 TROUBLESHOOTING
11.5 Examples of Troubles with the I/O Module
[3]
force
Load
Load
[1]
Shut off
D1
[3]
force
Load
[2]
Load
[1]
Shut off
D1
R1
*1

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