1 Outline
B - 10
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
PLC User's Manual - Positioning Control Edition
Built-in Positioning Functions
1.5 Assignment of Input/Output Numbers
1.5 Assignment of Input/Output Numbers
1.5.1 Assignment of Input Numbers
Assign the input numbers of the FX3S/FX3G/FX3GC/FX3U/FX3UC PLC as follows:
Application Input number Remarks
Stop command
All input
points
Connect a line to any input.
If the line-connected input is turned on, turn off the positioning instruction signal
must be turned off.
Zero return
command
All input
points
Connect a line to any input.
If the line-connected input is turned on, the DSZR or ZRN instruction must be
turned on.
Near-point
signal
(DOG)
All input
points
Connect a line to the input of the near-point signal (DOG) specified by DSZR or
ZRN instruction.
For details on the near-point signal of the DSZR instruction, refer to
Section 6.2.
For details on the near-point signal of the ZRN instruction, refer to
Section 6.3.
Point:
• To use the ZRN instruction:
If X000 to X007
*1
of the main unit are set for the near-point signal (DOG), the
PLC interruption function will be used for processing of the near-point signal
(DOG).
Zero-phase
signal
X000 to
X007
*1
Connect a line to the input specified for the zero-phase signal (this input is
specified by DSZR instruction).
ABS read
All input
points
Connect a line if it is necessary to use the absolute position detection system.
Connect a line to the input specified by the ABS instruction.
Use 3 consecutive input points for this function.
JOG command
All input
points
Connect a line to any input.
If the line-connected input is turned on, the DRVI instruction for the jogging motion
must be turned on.
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