
Chapter 7 Maintenance and Inspection
6F8C1686
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Table 7-1 Periodic inspection items
Item
Inspection contents
Judgement criteria
Mounting
condition
Check whether the base unit and the module are fixed to the
base unit.
Loose, no backlash
Check if the cable connector is loose or damaged.
Loose, no damage
DN module
Voltage measurement at the power terminal block of the
controller power supply
According to production
specifications.
Check the status display LED
Light up normally.
Confirmation of RAS information by command word
No unusual information
Slave devices
Check the input status display LED
Light up normally.
Check the output status display LED
Light up normally.
Are the I/O terminal blocks firmly fixed?
Loose, no backlash
Check loose terminal screws.
No looseness
Is the wiring cable damaged?
No damage
Ambient
environment
Check if the temperature, humidity, vibration, dust, etc. are
within the specified values.
According to production
specifications.
7.2
Maintenance parts
For early stage recovery in the event of a failure, we recommend preparing the following maintenance parts.
Table 7-2 Maintenance parts
Name of product
Quantity
Explanation
DN611B module
1
In order to minimize system down,
Reserve at least one spare.
DeviceNet transmission cable
1
In order to minimize system down,
Reserve at least one spare.
◆
Important
When storing spare parts, avoid places with high temperatures and high humidity.
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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