Mitsubishi Electric MELSEC-Q Series User Manual page 519

[2] Changing to a new current value using the current value changing
In "current value changing" ("[Cd.3] Positioning start No." = 9003), "[Md.20] Feed
current value" is changed to the address set in "[Cd.9] New current value".
Operation chart
The current value is changed by setting the new current value in the current value
changing buffer memory "[Cd.9] New current value", setting "9003" in the "[Cd.3]
Positioning start No.", and turning ON the positioning start signal.
Restrictions
(1) The error "Outside new current value range" (error code: 514) will occur if the
(2) The error "Software stroke limit +" (error code: 507) or "Software stroke limit -"
(3) The current value cannot be changed during stop commands and while the M
(4) The M code output function is made invalid.
POINTS
The current value can be changed using the current value changing start No. (No. 9003), if "0:
Positioning control is not executed" is set in "[Pr.55] Operation setting for incompletion of HPR" and
HPR request flag is ON.
Current value changing procedure
The following shows the procedure for changing the current value to a new value.
start No. (No. 9003)
Positioning start signal
[Y10 to Y1F]
Md.20 Feed current value
designated value is outside the setting range when "degree" is set in "Unit
setting".
(error code: 508) will occur if the designated value is outside the software
stroke limit range.
code ON signal is ON.
1)
Write the current value to " Cd. 9 New current value"
2)
Write "9003" in " Cd. 3 Positioning start No."
3)
Turn ON the positioning start signal.
Chapter 9 Major Positioning Control
ON
OFF
50000
Current value changes to the
positioning address designated by
the current value changing buffer memory.
The above chart shows an example
when the positioning address is "0".
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