Mitsubishi A1SD75M3

9 - 59
MELSEC-A
9 MAIN POSITIONING CONTROL
(2) Current value change using the start No. (No. 9003) for a current
value change
Operation chart
The current value is changed by setting the new current value in the new current
value buffer memory "
Cd.15 New current value", setting "9003" in the " Cd.11
Positioning start No.", and turning ON the positioning start signal.
Positioning start signal
Md.29 Current feed value
50000
0
OFF
ON
Current value changes to the
positioning address designated by
the new current value buffer memory.
The above chart shows an example
when the positioning address is "0".
[Y10,Y11,Y12]
Restrictions
(1) An error "Outside current value change range" (error code: 514) will occur if
the designated value is outside the setting range when "degree" is set in
"
Pr.1
Unit setting".
(2) An error will not occur even if the designated value is outside the software
stroke limit range.
However, an error "Start outside stroke limit +/-" (error code: 507/508) will
occur at the positioning start.
(3) The current value cannot be changed during stop commands and while the M
code ON signal is ON.
(4) When the absolute position restoration mode is the "infinite length mode", an
error "outside start number range" (error code: 543) occurs at a positioning
start.
Current value change procedure
The following shows the procedure for changing the current value to a new value.
Turn ON the positioning start signal.
Write "9003" in " Cd. 11 Positioning start No."
1)
2
)
3
)
Write the current value to " Cd. 15 New current value"