Mitsubishi Q01CPU User Manual

11
MAINTENANCE AND INSPECTION
11.1 Daily Inspection
11 - 3
9
EMC AND LOW VOLTAGE DIRECTIVES
10
LOADING AND INSTALLATION
11
MAINTENANCE AND INSPECTION
12
TROUBLESHOOTING APPENDICES INDEX
11.1 Daily Inspection
The items that must be inspected daily are listed in Table11.1.
Daily inspection
*1: For the Q00JCPU, check the "POWER" LED on the CPU module side.
*2: The Basic model QCPU does not have the "MODE" LED.
*3: The Basic model QCPU does not have the "BAT." LED.
Table11.1 Daily inspection
Item Inspection Item Inspection Judgment Criteria Remedy
1 Installation of base unit
Check that fixing screws are
not loose and the cover is
not dislocated.
The screws and cover must
be installed securely
Retighten the screws.
2 Installation of I/O module
Check that the module is not
dislocated and the unit fixing
hook is engaged securely.
The module fixing hook must
be engaged and installed
securely.
Securely engaged the module
fixing hook.
3 Connecting conditions
Check for loose terminal
screws.
Screws should not be loose.
Retighten the terminal
screws.
Check for distance between
solderless terminals.
The proper clearance should
be provided between
Solderless terminals.
Correct.
Check that the cable con-
nector is not loose.
Connections should no be
loose.
Retighten the connector fixing
screws.
4
Module indication LED
Power supply
module
"POWER" LED
*1
Check that the LED is ON.
The LED must be ON
(green).
(Abnormal if the LED is OFF
or ON (red)).
Section 12.2.
CPU module
"MODE" LED
*2
Check that the LED is ON.
The LED must be ON
(Green).
(Abnormal if the LED is OFF
or flashing.)
CPU module
"RUN" LED
Check that the LED is ON in
RUN status.
The LED must be ON.
(Abnormal if the LED is OFF.)
CPU module
"ERR." LED
Check that the LED is OFF.
The LED must be OFF.
(Abnormal if the LED is ON or
flickering.)
CPU module
"BAT." LED
*3
Check that the LED is OFF.
The LED must be OFF.
(Abnormal if the LED is ON.)
input module
Input LED
Check that the LED turns
ON and OFF.
The LED must be ON when
the input power is turned ON.
The LED must be OFF when
the input power is turned
OFF.
(Abnormal if the LED does
not turn ON or turn OFF as
indicated above.)
output module
Output LED
Check that the LED turns
ON and OFF.
The LED turns ON when the
output power is turned ON.
The LED must be OFF when
the output power is turned
OFF.
(Abnormal if the LED does
not turn ON or turn OFF as
indicated above.)

Mitsubishi Q01CPU Specifications

General

Brand	Mitsubishi
Model	Q01CPU
Category	Controller
Language	English