Hardware Test Area - Mitsubishi Electric QJ71DN91 User Manual

3 SPECIFICATIONS

3.4.12 Hardware test area

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This area is used for hardware test and communication test.
For the hardware test, refer to Section 5.4.
For the communication test, refer to Section 5.6.
(1) Hardware Test Item Area (address: 062E
The test item No. of the hardware or communication test being executed is
stored.
Test item No.
0000 Before test
H
0001 ROM check
H
0002 RAM check
H
0003 Microcomputer check
H
0004 CAN controller check
H
FFFF Test completion
H
Test item No.
0000 Before test
H
Node No. duplication
0001
H
check
0002 Communication check
H
FFFF Test completion
H
Table 3.29 Hardware test items
Meaning
Hardware test not yet started.
Testing if ROM is normal.
Testing if RAM is normal.
Testing if microcomputer is normal.
Testing if CAN controller is normal.
Hardware test was executed and completed normally.
Table 3.30 Communication test items
Meaning
Communication test not yet started.
Checking if any other node has the same node No. as the
own node.
Checking if communication with one or more nodes on the
network is available.
Communication test was executed and completed
normally.
MELSEC-Q
/1582)
H
Description
Description
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