Mitsubishi Electric MELDAS C6 Parameter Manual page 130

7.2 MDS-C1-Vx High-gain (MDS-B-Vx4 Compatible)
No. Items
2254 When SV035 (SSF4)/ bitF (ckab)=0
SV054 Overrun
ORE detection width
in closed loop
control
When SV035 (SSF4)/ bitF (ckab)=1
(Note) This applies to only MDS-C1-Vx.
The higher order 8bits and lower order 8bits are used for different
functions.
"Setting value of SV054" =(NSE*256)+ORE
SV054 Overrun
ORE detection-
(Low width in closed
order) loop control
SV054 Special
NSE detection width
(High for No signal 2
order)
2255 SV055 Max. gate off
EMGx delay time after
emergency
stop
2256 SV056 Deceleration
EMGt time constant
at emergency
stop
2257 SV057 SHG control
SHGC gain
7. Servo Parameters
Set the overrun detection width in the full-closed loop
control.
If the gap between the motor end detector and the
linear scale (machine end detector) exceeds the
value set by this parameter, it is judged to be overrun
and Alarm 43 will be detected.
When "-1" is set, the alarm detection won't be
performed. When "0" is set, overrun is detected with
a 2mm width.
Set the overrun detection width in the full-closed loop
control.
If the gap between the motor end detector and the
linear scale (machine end detector) exceeds the
value set by this parameter, it is judged to be overrun
and Alarm 43 will be detected.
When "255" is set, the alarm detection won't be
performed. When "0" is set, overrun is detected with
a 2mm width.
When SV035 (SSF4)/ bitF (ckab) =1, this setting is
valid. Set the special detection width for No signal 2
(Alarm 21).
When "0" is set, overrun is detected with a 15µm
width.
Set a length of time from the point when the
emergency stop is input to the point when READY
OFF is compulsorily executed.
Normally, set the same value as the absolute value
of SV056.
In preventing the vertical axis from dropping, the gate
off is delayed for the length of time set by SV048 if
SV055's value is smaller than that of SV048.
In the vertical axis drop prevention time control, set
the time constant used for the deceleration control at
emergency stop. Set a length of time that takes from
rapid traverse rate (rapid) to stopping.
Normally, set the same value as the rapid traverse
acceleration/deceleration time constant.
When executing the synchronous operation, put the
minus sign to the settings of both of the master axis
and slave axis.
When performing the SHG control, set this with S003
(PGN1) and SV004 (PGN2).
When not performing the SHG control, set to "0".
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Details Setting range
-1 to 32767 (mm)
0 to 32767
0 to 255
(mm)
0 to 127
(µm)
0 to 20000
(ms)
-20000 to 20000
(ms)
0 to 1200
(rad/s)