5 - 51

MELSEC-Q
5 DATA USED FOR POSITIONING CONTROL
Pr.47 Creep speed

Set the creep speed after near-point dog ON (the low speed just before st opping

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)

Note) The creep speed is related to the detection error when using the OPR

method with zero signal, and the size of the collision if a coll ision occurs

during OPR method using the stopper method.

Set a speed equal to or faster than the bias speed at start.

ON
V
Machine
OPR start
Near-point
dog signal OFF
Zero signal
OPR speed
Pr.46
Creep speed
Pr.47
[Table 1]
Pr.1 setting value Value set with peripheral device
(unit) Value set with sequence program
(unit)
0 : mm 0.01 to 20000000.00 (mm/min) 1 to 2000000000 (
×
10-2mm/min)
1 : inch 0.001 to 2000000.000 (inch/min) 1 to 2000000000 (
×
10-3inch/min)
2 : degree 0.001 to 2000000.000 (degree/min) 1 to 2000000000 (
×
10-3degree/min)
3 : pulse 1 to 1000000 (pulse/s) 1 to 1000000 (pulse/s)