Periodical Inspection - Mitsubishi Electric MELSEC Q Series User Manual

9.2

Periodical Inspection

This section explains the items to be inspected once or twice every six months or every year.
Note that these inspections are required when the system is moved or modified including re-wiring.
No. Item
*1
Ambient environment
Ambient temperature
1
Ambient humidity
Ambience
2 Power voltage
Installation
3 Looseness, rattling
Dirt, foreign matter
Connection
Looseness of terminal
screws
4
Distance between
solderless terminals.
Looseness of
connectors.
5 Battery
Standard ROM life
6
(Page 137, Section 9.4)
Built-in SSD life
7
(Page 137, Section 9.5)
*1 : When using it inside the panel, inspec the in-panel environment.
*2 : 10 to 90%RH when an AnS series module is used in a multiple CPU system.
*3 : For Setting/monitoring tools for the C Controller module, refer to the following.
 Setting/Monitoring Tools for the C Controller Module Version 4 Operating Manual
Inspection
0 to 55 deg. C
Measure with a thermometer
and a hygrometer.
5 to 95%RH
Measure corrosive gas.
No corrosive gas
85 to 132V AC
Measure a voltage across
the terminals of 100/200V 170 to 264V AC
AC and 24V DC.
15.6 to 31.2V DC
Move the module to check
The module is securely installed.
for looseness and rattling.
Visual check. No dirt or foreign matter.
Further tighten with a
No looseness.
screwdriver.
Proper clearance between solderless
Visual check.
terminals.
Visual check. No looseness.
Check [CCPU diagnostics]
screen of Setting/monitoring
No "battery error" occurrence
tools for the C Controller
*3
module
Check the length of term Must not be used more than 5
after purchasing the battery. years.
Event No.80001000
Check [Event history] screen
("The count for clearing the standard
of Setting/monitoring tools
ROM drive, "/ROM" exceeds the
*3
for the C Controller module
100,000.") has not occurred.
Refer to the manual of the partner operating system, or consult the
partner (operating system vendor)
CHAPTER 9 MAINTENANCE AND INSPECTION
Criterion
-
*2
Criteria must be met.
Change the power supply.
-
Retighten the screws.
For the C Controller module,
I/O modules, or power supply
module, secure the module
with screws.
Remove and clean it.
-
Retighten the terminal
screws.
Provide proper clearance
between solderless terminals.
Retighten the connector fixing
screws.
Replace the battery
( Page 136, Section 9.3)
Replace the C controller
module.
9
Action
135