Mitsubishi Electric 800 Series Instruction Manual page 212

Pr. Name
1282 Home position return method
B180 selection
1283
Home position return speed
B181
1284
Home position return creep speed
B182
1285 Home position shift amount lower 4
B183 digits
1286 Home position shift amount upper
B184 4 digits
1287 Travel distance after proximity dog
B185 ON lower 4 digits
1288 Travel distance after proximity dog
B186 ON upper 4 digits
1289 Home position return stopper
B187 torque
1290 Home position return stopper
B188 waiting time
1292 Position control terminal input
B190 selection
1293
Roll feeding mode selection
B191
Position command source selection
• The value of the current position 2 monitor can be retained when position control is switched to other control mode.
Pr.419
Setting

[][][]0
[][][]1 Position command selection
[][][]2
[][]0[] The home position retention
selection when the LX signal
[][]1[]
OFF (servo-OFF)
[]0[][]
[]1[][]
Selecting clearing of the current
position 2 monitor value
[]2[][]
[]3[][]
0[][][]
Absolute position control
1[][][]

Zero of the most significant digit is not displayed.

Timing to clear the current position 2 monitor value differs depending on the setting value.

During position control under Vector control, if Pr.419 = "1" while the FR-A8AL is not installed (or is disabled), the protective function (E.OPT) is
activated.

During position control under Vector control, if Pr.419 = "1110" while the FR-A8APS is not installed (or is disabled), a protective function (E.OPT)
is activated.
Initial
value
0
1
2
3
4
4
5
6
2 Hz 0 to 30 Hz
0.5 Hz 0 to 10 Hz
0 0 to 9999
0 0 to 9999
2048 0 to 9999
0 0 to 9999
40% 0 to 200%
0.5 s 0 to 10 s
0
0
1
0
0
1
Description
Simple position control by point tables (position command by setting parameters).
Position command by the pulse train input to the FR-A8AL
Simple pulse train position command by the pulse train input to the inverter
Not retained
Retained
Not cleared when the home position return completed.
Cleared under the control mode other than position control.
Cleared when the home position return completed.
Cleared under the control mode other than position control.

Not cleared when the home position return completed.
Not cleared under the control mode other than position control.
Cleared when the home position return completed.
Not cleared under the control mode other than position control.
Disabled
Enabled (with the FR-A8APS installed)
Position control under vector control
Setting
range
Dog type
Count type
Data set type
Stopper type
Ignoring the home position (servo-ON position as the
home position)
Dog type back end reference
Count type front end reference
Set the speed for the home position return operation.
Set the speed immediately before the home position
return.
Set the home position shift distance.
Home position shift distance = Pr.1286  10000 +
Pr.1285
Set the travel distance after detecting the proximity
dog.
Travel distance after the proximity dog = Pr.1288 
10000 + Pr.1287
Set the activation level of torque limit operation for
the stopper-type home position return.
Set the waiting time until home position return is
started after the inverter detects the pressing status.
Sudden stop signal (X87) normally open input (NO
contact input)
Sudden stop signal (X87) normally closed input (NC
contact input)
Roll feed disabled
Roll feed enabled

Description

211
PARAMETERS
5