Positioning Control Parameters ([Pr. Pt - Mitsubishi Electric MELSERVO-J4 Series Instruction Manual

7. PARAMETERS

7.2.9 Positioning control parameters ([Pr. PT_ _ ])

No./ Setting
symbol/name digit
PT01 _ _ _ x Positioning command method selection
*CTY 0: Absolute value command method
Command 1: Incremental value command method
mode
_ _ x _ For manufacturer setting
selection
_ x _ _ Position data unit
0: mm
1: inch
2: degree
3: pulse
x _ _ _ RS-422 communication - Previous model equivalent selection
0: Disabled (MR-J4 standard)
1: Enabled (equivalent to MR-J3-T)
2: Enabled (equivalent to MR-J2S-CP)
3: Enabled (equivalent to MR-J2S-CL)
For the communication command of the Mitsubishi general-purpose AC servo
protocol, the status display and read/write commands of input/output devices can be
used with the data Nos. and bit assignment of the same as previous models.
When this digit is "1" or "2", MR Configurator2 cannot be used with the USB
communication.
PT02 _ _ _ x Follow-up of SON (Servo-on) off/EM2 (Forced stop 2) off with absolute value
command method in incremental system
*TOP1
0: Disabled (Home position is erased at servo-off or EM2 off.)
Function
selection T-1 1: Enabled (Home position is not erased even if servo-off, EM2 off, or alarm
occurrence which can be canceled with reset. The operation can be continued.)
_ _ x _ For manufacturer setting
_ x _ _
x _ _ _ Point table/program writing inhibit
0: Allow
1: Inhibit
PT03 _ _ _ x Feed length multiplication [STM]
*FTY 0: × 1
1: × 10
Feeding
2: × 100
function
3: × 1000
selection
This digit will be disabled when [degree] or [pulse] of "Position data unit" is set in
[Pr. PT01].
_ _ x _ Manual pulse generator multiplication
0: × 1
1: × 10
2: × 100
_ x _ _ Shortest rotation selection per degree
0: Rotation direction specifying
1: Shortest rotation
This parameter setting is available with servo amplifiers with software version B7 or
later.
x _ _ _ For manufacturer setting
Function
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Control mode
Initial
value
[unit]
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h