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MELSEC-Q
3 SPECIFICATIONS
(25) H/W Test Item Display Area (address 062E
H
/1582)
The test item numbers currently in operation during the hardware test and
communication test are stored.
Table 3.26 Contents of the hardware test item display
Test item number Contents Processing
0000
H
Before test starts Before the hardware test starts
0001
H
ROM check Testing if the ROM is normal
0002
H
RAM check Testing if the RAM is normal
0003
H
Microcomputer check Testing if the Microcomputer is normal
0004
H
CAN controller check Testing if the CAN controller is normal
FFFF
H
Test completed normally Hardware test was executed and completed normally
Table 3.27 Contents of communication test item display
Test item number Contents Processing
0000
H
Before test starts Before the communication test starts
0001
H
Node number duplicate
check
Checking if there is another node with the same node
number as that of the local node
0002
H
Communication check
Checking if communication with one or more nodes in the
network is available
FFFF
H
Test completed normally Communication test was executed and completed normally
(26) H/W Test Result Storing Area (address 062F
H
/1583)
The results of the hardware test and communication test are stored.
Table 3.28 Contents of hardware test result
Error code Contents Error handling
0000
H
No error Hardware test was completed normally.
60AA
H
RAM error
61AA
H
ROM error
62AA
H
CAN controller check error
This is a hardware error. Report the error symptoms to the
nearest service center, dealer or branch office.
63AA
H
Network power supply
error
Verify that power is supplied to the network.
70AA
H
71AA
H
72AA
H
73AA
H
74AA
H
Microcomputer error
This is a hardware error. Report the error symptoms to the
nearest service center, dealer or branch office.