Mitsubishi Electric QJ71DN91 User Manual page 165

10 TROUBLESHOOTING
Error
Detected
code
in:
(Hex.)
Zero (0) is set for both the input and
02 QJ71DN91
H
output points of a slave node.
The low byte of the slave node No. in the
03 QJ71DN91
H
buffer memory is out of range.
The high byte of the slave node No. in
04 QJ71DN91
H
the buffer memory is out of range.
The connection type in the buffer
05 QJ71DN91
H
memory is out of range.
The same node No. has already been
06 QJ71DN91 set for a slave node in the buffer
H
memory.
07 QJ71DN91 No slave node has been set.
H
The total input data length of all slave
08 QJ71DN91
H
nodes is too long.
The total output data length of all slave
09 QJ71DN91
H
nodes is too long.
The parameter value for the watchdog
0A QJ71DN91
H
timeout action is invalid.
The expected packet rate value in the
0B QJ71DN91 buffer memory is smaller than the
H
production inhibit time value.
Flash ROM checksum error (Parameters
0C QJ71DN91
H
for Master Function area)
Flash ROM checksum error (Parameters
0D QJ71DN91
H
for Slave Function area)
Flash ROM checksum error (Auto
0E QJ71DN91
H
Communication Start Setting area)
0F QJ71DN91 Flash ROM all clear error
H
The number of input points per slave
10 QJ71DN91
H
node exceeds 256 bytes.
The number of output points per slave
11 QJ71DN91
H
node exceeds 256 bytes.
The production inhibit time value was set
15 QJ71DN91
H
to 0ms (set value 1) in cyclic.
All slave nodes are set as reserved
16 QJ71DN91
H
nodes by parameters.
DNTMRD was not executed for three
sequence scans although "Data
20 QJ71DN91
H
consistency dedicated instruction setting
for master function" is enabled.
10 - 9
(2) When the error-detected node No. (low byte of error information) is FE
Description Action
• Set the input and output points according
to the slave node specifications.
• Set it within the range of 0 to 63.
• Set it within the range of 01
80 .
H
• Set 0001 0002 0004 or 0008
, , ,
H H H
• Set unique node numbers for all nodes.
• Set at least one slave node.
• Reduce it to 512 bytes or less.
• Reduce it to 512 bytes or less.
• Set 0000 0001 0002 or 0003
, , ,
H H H
• Change the setting so that the expected
packet rate value is greater than or equal
to the production inhibit time value.
• Save the parameters again.
• Do not turn off the power or reset while
saving the parameters.
• Save the parameters again.
• Do not turn off the power or reset while
saving the parameters.
• Save the parameters again.
• Do not turn off the power or reset while
saving the parameters.
• Clear all parameters again.
• Do not turn off the power or reset while
clearing the parameters.
• Correct the number of input points per
slave node to 256 bytes or less.
• Correct the number of output points per
slave node to 256 bytes or less.
• Set the production inhibit time value to a
value other than 0ms.
• Set the parameters according to the slave
nodes connected to the network.
• Correct the sequence program so that
DNTMRD is executed in every scan.
• When not using Data consistency
dedicated instruction, disable "Data
consistency dedicated instruction setting
for master function", then turn on I/O
Communication Request (Y11).
MELSEC-Q
H
Detectability
Master
function
to 04 or to
H H,
.
H
.
H
10 - 9
Slave
function