Absolute Value Command System - Mitsubishi melservo-j2 series Instruction Manual

4. OPERATION

4.2.2 Absolute value command system

(1) Setting
(a) Signal, parameters
Set the input signal and parameters as follows according to the purpose of use:
Automatic operation mode selection
Absolute value command system
selection
Servo motor rotation direction
Feed length multiplication
(b) Point table
Set the position data, motor speed, acceleration time constant, deceleration time constant, dwell
time and auxiliary function to the point table. The following table gives a setting example:
Position Data
Point Table
SM
[ 10 m]
No.
1 2000
2 100
3 500
14 15000
15 12000
(2) Operation
Choose the point table using DI0 to DI3 and short ST1-SG to perform positioning to the position data
under the conditions of the preset speed, acceleration time constant and deceleration time constant. At
this time, reverse rotation start (ST2) is invalid.
Item
Point table selection
Start
Item
Automatic/manual selection signal (MDO)
Parameter No.0
Parameter No.1
Parameter No.1
Motor Speed Acceleration Time Constant
[r/min]
3000
1500
200
1800
2500
Point table No. selection 1 signal (DI0)
Point table No. selection 2 signal (DI1)
Point table No. selection 3 signal (DI2)
Point table No. selection 4 signal (DI3)
Forward rotation start signal (ST1)
Setting Method
Deceleration Time Constant
[ms]
200
250
150
200
200
Setting Method
4 - 9
Description
Short MDO-SG (ON).
Setting: 0
Refer to Section 4.2.1, (3).
Refer to Section 4.2.1, (3).
Dwell Time
[ms] [ms]
150 0
200 0
250 0
250 0
250 0
Description
Refer to Section 4.2.1, (2).
Short ST1-SG (ON) to start.
Auxiliary
Function
0
0
0
0
0