Creep Pulse Ratio(Simple Positioning) - Hitachi WJ200-001S Instruction Manual

Ver.3− − − − 8
Creep pulse ratio (simple positioning)
A parameter to appoint creep interval at the time of the simple position control added.
•
Following is the related parameter for this function.
Func. c. c. c. Fun
Fun Fun
Code Code Code Code
P P P P 0 0 0 0 1 1 1 1 4 4 4 4
P P P P 0 0 0 0 11 11
11 11
P P P P 0 0 0 0 1 1 1 1 5 5 5 5
H H H H 00 004 4 4 4
00 00
H H H H 2 2 2 2 0 0 0 0 4 4 4 4
b b b b 0 0 0 0 8 8 8 8 2 2 2 2
H ere, P014 indicates the "Internal special parameter" for "Creep pulse ratio", that can be set by specifying the
•
address with Debug Mode. It is only one method.
Creep ratio adjustment – The creep driving time is determined by counting the number of pulse during creep
driving. "Creep pulse ratio" is possible to set the number of creep pulse as the ratio of the encoder pulse setting.
The number of creep pulse (N[pulse]) is calculated as follows.
N(pulse)
The time during the creep driving (T[s]) is calculated as follows.
T(s) =
P015(Hz
Default setting "125%" is equivalent to 5/4 cycle of the motor when counting pulse of one cycle are equivalent to
the encoder pulse setting (P011). This is the current spec
C aution
〈 〉
If you set the "Creep ratio" to extremely low value, the simple positioning may not work properly because of
motor overshoot.
Name Name
Name Name
Creep pulse ratio
Encoder pulse setting
Creep Speed
Motor poles setting
Motor poles setting,2nd motor
Start frequency
= P011(pulse : Encoder pulse
1 H004orH204
×
: Creep speed)
0.0 4 00.0[%]
～
32 1 024[pulse]
～
Start Frequency(b082)
2(0)/4(1)/6(2)/8(3)/10(4)/12(5)/14(6)/16(7)/18(8)/
20(9)/22(10)/24(11)/26(12)/28(13)/30(14)/32(15)/
34(16)/36(17)/38(18)/40(19)/42(20)/44(21)/46(22)/
48(23)[pole(data)]
0.01 9 .99[Hz]
～
P014(% : Creep
setting) ×
100
(Pole : Motor poles setting)
×
2
Description Description
Description Description
1 0.00[Hz]
～
Pulse ratio)
(pulse : Creep pulse)
Ｎ
P011(pulse : Encoder pulse setting)