88
11 TROUBLESHOOTING
11.4 Examples of Troubles with the I/O Module
A load momentarily turns on from off when the system is powered off
■
Cause
When an inductive load is connected, [2] Load may turn on from off due to a sneak current of back EMF at [1] Shutoff.
ON
OFF
ON
OFF
Y0
Y1
COM+
CTL-
Y0
Y1
COM-
CTL+
[2]
[2]
Load
Load
Load
Load
Output module
- Back electromotive force + [3]
+ Back electromotive force - [3]
Output module
Sink output
[1] Shut off
[1] Shut off
Source output
Summary of Contents for NZ2MFB1-32D
Page 2: ......
Page 14: ...12 1 PRODUCT LINEUP 1 3 I O Combined Module MEMO ...
Page 16: ...14 2 PART NAMES MEMO ...
Page 43: ...4 PROCEDURES BEFORE OPERATION 41 4 MEMO ...
Page 45: ...5 SYSTEM CONFIGURATION 43 5 MEMO ...
Page 76: ...74 9 PROGRAMMING 9 2 Program Example Program example ...
Page 78: ...76 10 MAINTENANCE AND INSPECTION MEMO ...
Page 119: ...APPX Appendix 8 External Dimensions 117 A MEMO ...
Page 121: ...I 119 MEMO ...
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