Mitsubishi Electric QJ71DN91 User Manual page 74

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
72AA Microcomputer error
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.
A hardware failure has occurred. Please consult your local
Mitsubishi representative.
Verify that power is supplied to the network.
A hardware failure has occurred. Please consult your local
Mitsubishi representative.
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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