Mitsubishi MELSEC-Q QD77MS - Page 176

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Chapter 5 Data Used for Positioning Control
Pr.47
Creep speed
Set the creep speed after near-point dog ON (the low speed just before stopping
after decelerating from the OPR speed).
The creep speed is set within the following range.
(
Pr.46
OPR speed ) (
Pr.47
Creep speed) ( Pr.7 Bias speed at start)
ON
V
Machine OPR
start
Near-point
dog signal OFF
Zero signal
OPR speed
Pr.46
Creep speedPr.47
Pr.1
setting value
Value set with GX Works2
(unit)
Value set with sequence program
(unit)
0 : mm 0.01 to 20000000.00 (mm/min)
1 to 2000000000 (
×
10
-2
mm/min)
1 : inch 0.001 to 2000000.000 (inch/min)
1 to 2000000000 (
×
10
-3
inch/min)
2 : degree
0.001 to 2000000.000 (degree/min)
1
1 to 2000000000 (
×
10
-3
degree/min)
2
3 : PLS 1 to 1000000000 (PLS/s) 1 to 1000000000 (PLS/s)
1: The creep speed setting range is 0.001 to 2000000.000[degree/min], but it will be decupled and
become 0.01 to 20000000.00[degree/min] by setting "
Pr.83
Speed control 10 x multiplier
setting for degree axis" to valid.
2: The creep speed setting range is 1 to 2000000000(
×
10
-3
degree/min), but it will be decupled and
become 1 to 2000000000 (
×
10
-2
degree/min) by setting "
Pr.83
Speed control 10 x multiplier
setting for degree axis" to valid.