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Section 5 Troubleshooting and Maintenance
5-2 Error Messages
5-22
NS Series Programming Manual
Probable Causes and Possible Countermeasures
Perform the following countermeasures for the displayed cause.
Errors
Suggested cause as displayed Possible
countermeasure
Local node not connected to
network (SRES:01).
Connect the node to the network.
No token received
(SRES:02).
Set the local node within the maximum node address
range.
Cannot send because number of
retries exceeded (SRES:03).
If tests executed between nodes do not operate
normally, check the operating environment again.
Local node
error
(MRES:01)
Cannot send because allowable
number of frames exceeded
(SRES:04).
Check the status of the event executed in the network
and reduce the number of events in one cycle.
Alternatively, increase the number of frames allowed
to be sent.
Node address setting incorrect
(SRES:05).
Make the correct rotary switch settings. Make sure the
node address is not outside the specified range and is
not duplicated.
Node address duplicated in
network (SRES:06).
Change the duplicated node address.
Remote node not connected to
network (SRES:01).
Connect the remote node to the network.
No Unit for the unit address
(SRES:02).
Check the remote unit address.
No third node (SRES:03).
Check the address for the unit used as the third node.
Check the third node address in the CMND instruction
send data.
Broadcast specified (SRES:03).
Specify only one node as the third node.
Reception concentrated at
remote node (SRES:04).
Increase the number of retries or redesign the system
so that there is not concentration at the remote node.
Message frame broken
(SRES:05).
Increase the number of set retries. Perform an
internode test to check the noise status.
Response monitor time too short
(SRES:05).
Increase the response monitor time parameters.
Destination
node
errors
(MRES:02)
Send/receive frame discarded
(SRES:05).
Check the error history and take the correct action.
Parity error, BBC error, or similar
error has occurred (SRES:06).
Set the maximum unit number to 1 or higher for NT
Link mode in the PLC Setup.
Communications controller error
(SRES:01).
Refer to the Unit and Board user’s manuals and take
the correct action.
CPU error on remote node CPU
Unit. (SRES:02)
Refer to the CPU Unit manual and remove the cause
of the CPU Unit error.
No response returned because of
Board error (SRES:03).
Check the network communications status and restart
the Board. If the error persists, replace the Board.
Controller
error
(MRES:03)
Incorrect Unit number setting
(SRES:04)
Make the correct rotary switch settings. Make sure the
Unit number is not outside the specified range and is
not duplicated.
The Unit or Board do not support
the command code used
(SRES:01).
Check the command code.
Service
unsup-
ported
(MRES:04)
Command cannot be executed
because the model or version is
different (SRES:02).
Check the model and version.
Summary of Contents for NS10-TV Series
Page 2: ......
Page 12: ...Contents vi NS Series Programming Manual ...
Page 48: ...Section 1 Overview 1 5 Procedure before Operation 1 35 NS Series Programming Manual ...
Page 592: ...Section 3 Using PTs 3 12 Function Key Settings NS15 Only 3 35 NS Series Programming Manual ...
Page 606: ...Section 4 Using Functions 4 1 Application 4 13 NS Series Programming Manual ...