Mitsubishi Electric MELSEC iQ-F Series FX5 User Manual page 282

Control precautions
• During the interpolation control, M code ON signal of the reference axis is turned on.
• M code ON signal will not turn on if 0 is set in [Da.10] M code. The M code will not be output, and the previously output
value will be held in [Md.25] Valid M code.)
• If M code ON signal is on at the positioning start, M code ON signal ON start (Error code: 19A0H) will occur, and the
positioning will not start.
• If [Cd.190] PLC READY signal is turned off, M code ON signal will turn off and 0 will be stored in [Md.25] Valid M code.
• If the positioning operation time is short in the continuous path control, there will not be enough time to turn off M code ON
signal, and M code ON signal ON (Warning code: 0992H) may occur. To avoid the warning, set 0 in [Da.10] M code of the
positioning data in that section to prevent the M code from being output.
• When the AFTER mode is set in the speed control, the M code is not output and the M code ON signal is not turned on.
• If 9003 is set in [Cd.3] Positioning start No. and the current value change is performed, the M code output function is
disabled.
• If two positioning data, one in the AFTER mode and the other in the WITH mode, are successively executed in the
continuous path control, M code ON signal ON (Warning code: 0992H) occurs when the target data switches from the one
in the AFTER mode to the one in the WITH mode. To avoid the warning, set 0 in [Da.10] M code of the positioning data in
that section to prevent the M code from being output.
Setting method
The following shows the settings required for the M code output function.
■To specify the M code ON signal output timing separately for each positioning data
To specify the M code ON signal output timing separately for each positioning data, use "[Da.27] M code ON signal output
timing".
The following settings are required to use the parameter.
• Set an M code number in [Da.10] M code, one of the setting items of positioning data.
• Set the timing to output an M code ON signal ([Md.31] Status: b12) in "[Da.27] M code ON signal output timing" of the
positioning data.
■To specify the same M code ON signal output timing for all positioning data
Set "[Pr.18] M code ON signal output timing". The same M code ON signal output timing can be set for each positioning data
in a batch. When "[Pr.18] M code ON signal output timing" is used, set 0 in "[Da.27] M code ON signal output timing". When a
value other than 0 is set, "[Da.27] M code ON signal output timing" is enabled. (The setting of "[Pr.18] M code ON signal
output timing" is validated at the rising edge (when turned off and on) of [Cd.190] PLC READY signal.)
The following settings are required to use the parameter.
• Set an M code number in [Da.10] M code, one of the setting items of positioning data.
• Set "0: Use the setting value in "[Pr.18] M code ON signal output timing"" (initial value) in "[Da.27] M code ON signal output
timing" of the positioning data.
• Set the timing to output an M code ON signal ([Md.31] Status: b12) in the detailed parameter "[Pr.18] M code ON signal
output timing".
12 CONTROL SUB FUNCTION
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12.9 Other Functions