23Fnc92 (Xab), Fnc93 (Yab): Absolute Position Detection - Mitsubishi FX2N-10GM Hardware / Programming Manual

FX Series Positioning Controllers
5.10.23 FNC92 (XAB), FNC93 (YAB): Absolute position detection
FNC 92
YAB
X ABSOLUTE
FNC 93
YAB
Y ABSOLUTE
Applicable
devices
and basic
format
X27
FNC 90
Command
M 0 M 2
FNC 90
M 0
FNC 90
M 1
FNC 92
Pulsed
contact
FNC 93
• If emergency stop input of only the servo amplifier turned on or the power of the servo amplifier
turned off while the positioning unit was operating, the servo ON input cannot enter the posi-
tioning unit and the servo amplifier is disabled even after the servo amplifier is recovered.
In such a case, when the above instructions are executed, the servo amplifier is enabled again.
Absolute position detection
16-bit operation XAB
1 steps
YAB
Applicable devices: Y, M (specified by PARA.50 and PARA.51)
Drive
•
input
X axis absolute
FNC 92
position detection.
XAB
Drive
•
input
Y axis absolute position
FNC 93
detection.
XAB
(Not available in the
FX
• To allow repeated execution and yet execute this instruction
M 0
only once, a pulsed signal is required.
OUT
An example of a pulsed signal is shown below.
When the command input is X, replace it with an M.
M 1
OUT
(This establishes a direct method for controlling the input and
output when the instruction is executed.)
M 2
• This instruction is usually used in the subtask program O100.
OUT
XAB
XAB
•
ABS sensing is automatically performed
when the power is turned ON. However, this
instruction allows it to be performed at any
other time.
Each time this instruction is executed, the
present value is read from the servo amplifier
and saved in the present value register.
-10GM.)
2N
This instruction is only available when ABS
sensing is enabled by PARAs 50 to 52.
Program format 5
Applicable models
Series name Remarks
XAB 9
FX -10GM
2N
FX -20GM
2N
5-66