FX3U Series Programmable Controllers
User's Manual - Hardware Edition
69
5 Version Information and Peripheral Equipment Connectability
5.2 Programming Tool Applicability
1
Introduction
2
Features and
Part Names
3
Product
Introduction
4
Specifications
5
Version and
Peripheral
Devices
6
System
Configuration
7
Input/Output
Nos., Unit Nos.
8
Installation
9
Preparation and
Power Supply
Wiring
10
Input Wiring
5.2.4 Cautions on write during RUN
In FX3U PLCs, write during RUN (program changes in the RUN mode) is enabled using the following
programming tools.
→ For the operating procedure of and cautions on write during RUN,
refer to the manual of the used programming tool.
Programming tools supporting write during RUN
Cautions on write during RUN
Programming tool Version Remarks
GX Developer
Ver.2.00A or later
Supports write during RUN in the instruction and device ranges in FX
2N PLCs
Ver.1.00 or later.
Ver.7.00A or later
Supports write during RUN in the instruction and device ranges in FX
2N PLCs
Ver.3.00 or later.
Ver.8.13P or later
Supports write during RUN in the instruction and device ranges in FX
3UC PLCs
Ver.1.00 or later.
Ver.8.18U or later
Supports write during RUN in the instruction and device ranges in FX
3UC PLCs
Ver.1.30 or later.
Ver.8.23Z or later
Supports write during RUN in the instruction and device ranges in FX
3U and
FX
3UC PLCs Ver.2.20 or later.
Ver.8.29F or later
Supports write during RUN in the instruction and device ranges in FX
3U and
FX
3UC PLCs Ver.2.30 or later.
FX-PCS/WIN
(-E)
Ver.1.00 or later
Supports write during RUN in the instruction and device ranges in FX
2 PLCs
Ver.3.30 or later.
Ver.2.00 or later
Supports write during RUN in the instruction and device ranges in FX
2N PLCs
Ver.1.00 or later.
Ver.4.20 or later
Supports write during RUN in the instruction and device ranges in FX
2N PLCs
Ver.3.00 or later.
Item Caution
Program memories which can be written in
RUN mode
Built-in RAM and optional memory cassette (whose write protect switch is set
to OFF)
Number of program
steps which can be
written for circuit
change in RUN
mode
• GX Developer
Ver.8.23Z or later
256 steps or less after edition (addition/deletion) (including NOP immediately
after circuit blocks except final circuit)
• GX Developer
Ver.8.22Y or former
• FX-PCS/WIN(-E)
127 steps or less after edition (addition/deletion) (including NOP immediately
after circuit blocks except final circuit)
Circuit blocks which cannot be written in
RUN mode
Circuit blocks in which labels P and I are added, deleted or changed in edited
circuits
Circuit blocks in which 1-ms timers (T246 to T249 and T255 to T511) are
added in edited circuits
Circuit blocks in which the following instructions are included in edited circuits
• Instruction to output high speed counters C235 to C255 (OUT instruction)
• SORT2 (FNC149), TBL (FNC152), RBFM (FNC278) and/or WBFM
(FNC279) instruction
Circuit blocks which require attention on
operation after write during RUN
Avoid write during RUN to a circuit block including the following instructions
during execution. If write during RUN is executed to such a circuit block, the
PLC decelerates and stops pulse output.
• DSZR (FNC150), DVIT (FNC151), ZRN (FNC156), PLSV (FNC157)
instruction [with acceleration/deceleration operation], DRVI (FNC158) and/
or DRVA (FNC159) instruction
Avoid write during RUN to a circuit block including the following instruction
during execution. If write during RUN is executed to such a circuit block, the
PLC immediately stops pulse output.
• PLSV (FNC157) instruction [without acceleration/deceleration operation]
Avoid write during RUN to a circuit block including the following instructions
during execution of communication. If write during RUN is executed to such a
circuit block, the PLC may stop communication after that.
If the PLC stops communication, set the PLC to the STOP mode once, and
then set it to the RUN mode again.
• IVCK (FNC270), IVDR (FNC271), IVRD (FNC272), IVWR (FNC273) and/or
IVBWR (FNC274) instruction
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