380
FX3G/FX3U/FX3GC/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
13 High-Speed Processing – FNC 50 to FNC 59
13.10 FNC 59 – PLSR / Acceleration/Deceleration Setup
5. Others
1) Types of pulse output, positioning and other relevant instructions and their target output numbers
*1. Y002 (pulse output destination) cannot be specified for the FX3G PLC (14-point and 24-point type) and FX3GC
PLC.
*2. The pulse output destination Y003 can be specified only when two special high-speed output adapters are
connected to an FX3U PLC.
*3. This function is supported only in FX
3U/FX3UC PLCs.
2) When using the same output relay (Y000 or Y001) in several instructions.
While a pulse output monitor (BUSY/READY) flag is ON, a pulse output or positioning instruction for the same
output relay cannot be executed.
While a pulse output monitor flag is ON, even after the instruction drive contact is set to OFF, a pulse output or
positioning instruction for the same output relay cannot be executed.
Before executing a pulse output or positioning instruction, wait until the pulse output monitor flag turns OFF and
one or more operation cycles pass.
Classification Instruction Instruction name Target output numbers
Pulse output
PLSY(FNC 57) Pulse Y output Y000,Y001
PLSR(FNC 59) Acceleration/deceleration setup Y000,Y001
Positioning
DSZR(FNC150) DOG search zero return
Y000,Y001,Y002
*1
,Y003
*2
DVIT(FNC151)
*3
Interrupt positioning
Y000,Y001,Y002,Y003
*2
ZRN(FNC156) Zero return
Y000,Y001,Y002
*1
,Y003
*2
PLSV(FNC157) Variable speed pulse output
Y000,Y001,Y002
*1
,Y003
*2
DRVI(FNC158) Drive to increment
Y000,Y001,Y002
*1
,Y003
*2
DRVA(FNC159) Drive to absolute
Y000,Y001,Y002
*1
,Y003
*2
High-speed
processing
PWM(FNC 58) Pulse width modulation
Y000,Y001,Y002
*1
,Y003
*2
Pulse output destination device Pulse output monitor flag
Y000 M8340
Y001 M8350
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