Mitsubishi Electric QJ71DN91 User Manual page 70

3 SPECIFICATIONS
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(2) Hardware Test Result Area (address: 062F
The hardware or communication test result is stored.
Error code
0000 No error
H
60AA RAM error
H
61AA ROM error
H
62AA CAN controller check error
H
Network power supply
63AA
H
error
70AA
H
71AA
H
Microcomputer error
72AA
H
73AA
H
74AA
H
Error code Error
Node No.
0001
H
duplication error
0002 Bus off error
H
Network power
0003
H
supply error
0004 Communication
H
0005 error
H
0006 No error
H
Table 3.31 Hardware test results
Error
Hardware test completed normally.
Hardware failure. Please consult your local Mitsubishi
service center or representative, explaining a detailed
description of the problem.
Verify that power is supplied to the network.
Hardware failure. Please consult your local Mitsubishi
service center or representative, explaining a detailed
description of the problem.
Table 3.32 Communication test results
Detail
Any other node on the network
has the same node No. as the
own node.
A bus off occurred during the
test.
The network power supply is
OFF.
Data could not be sent or
received correctly.
Communication test was
completed normally.
MELSEC-Q
/1583)
H
Action
Action
• Assign unique node numbers to all nodes on
the network.
• Set the same communication speed value to all
nodes on the network.
• Check the overall network for disconnection of
terminating resistors, DeviceNet cable length,
etc.
• Turn ON the network power supply.
• Connect one or more nodes to the network.
• Set the same communication speed value to all
nodes on the network.
• Check the overall network for disconnection of
terminating resistors, DeviceNet cable length,
etc.
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