
Chapter 6 Troubleshooting
6F8C1686
118
6.2
Troubleshooting
This chapter describes how to check the causes of trouble and what remedial steps should be taken if the
DN611B goes wrong during its operation. Also refer to the Sequence Controller User's Manual in dealing
with trouble.
6.2.1
At Module Start
1) The module does not start normally (is not set in standby mode):
If the module is normal, the DN611B starts initializing the module when power is turned on or when reset is
requested, and then is set in standby mode.
Standby: MS, NS: OFF
Figure 6-3 Module Start Check Items
2) Set in down mode during communication with slave devices
Countermeasure
Replace the module.
Send the module which has run down, the controller log information at that time, and the
DN module RAS information together to TOSHIBA.
START
Is controller's power
supplied?
Is the DN611B mounted
properly in the base unit?
Isn't station status down
mode?
Does the module start properly
if it is combined with other controller?
Replace the controller.
END
Yes
Yes
Yes
Yes
Supply the primary power of the controller
power module at the rated voltage.
Insert it into the slot correctly and tighten
the setscrew.
Replace the module.
Read down information, and send it
together with the module to TOSHIBA.
No
No
No
No
Summary of Contents for DeviceNet nv Series
Page 30: ...Chapter 1 DN611B Introduction 6F8C1686 14 ...
Page 149: ...13 3 133 B Appendix B Outside Dimension ...
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