Mitsubishi Electric FX3G SERIES Programming Manual page 899

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Cautions on writing during RUN
Item
Program memory which can be written in
RUN mode
• GX Works2
Ver. 1.08J or later
• GX Developer
Ver. 8.72A or later
Number of
program steps • GX Works2
which can be Ver. 1.08J or later
written for • GX Developer
circuit change Ver. 8.24A or later
in RUN mode
• GX Developer
Ver. 8.22Y and
earlier
• FX-PCS/WIN(-E)
Circuit blocks which cannot be written
during RUN
*1. Circuit blocks cannot be edited to insert a label as shown below when written during RUN.
Step
0
Pointer for
interrupt
I001
Built-in RAM and optional memory cassette (whose write protect switch is set to OFF)
• For FX PLCs
3G
256 steps or less after edit (addition/deletion) (including NOP immediately after circuit blocks
except final circuit
• For FX /FX PLCs Ver. 2.20 or later
3U 3UC
256 steps or less after edit (addition/deletion) (including NOP immediately after circuit blocks
except final circuit)
• For FX PLCs earlier than Ver. 2.20
3UC
127 steps or less after edit (addition/deletion) (including NOP immediately after circuit blocks
except final circuit)
127 steps or less after edit (addition/deletion) (including NOP immediately after circuit blocks except
final circuit)
*1
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 T256 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) instructions
FNC 04
EI
Added, deleted, or changed
FNC 06
FEND
Label I is inserted by editing the circuit block
Added, deleted, or changed
FNC 03
IRET
END
A Programming Tool Applicability and Version Upgrade History
A-1 Programming Tool Applicability
Caution
31
32
33
34
35
36
37
38
A
B
897