Mitsubishi Electric FX3G SERIES Programming Manual page 416

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
• After transfer is completed, the instruction execution complete flag M8029 turns ON, and the
returned to the
Command
S
2
S
1
(M8029)
• When acquiring the operation result at a constant time interval (constant scan mode)
Write a prescribed scan time (which is longer than the actual scan time) to D8039 and set M8039 to ON to select
the constant scan mode in the PLC.
For example, when "20 ms" is written to D8039 and "n" is set to 100, the
S D
in 2 seconds.
2 1
2. Operation of the mode flag (M8026)
In FX /FX
3U 3UC
flag M8026.
In FX PLCs, the contents of
3G
status of the mode flag M8026.
1) When M8026 is OFF
Command
S
2
S
1
(M8029)
Related devices
Device
Instruction
M8029
execution complete
*1
RAMP mode
M8026
*1. M8026 is available only in FX
STOP.
Caution
1. When specifying a latched (battery backed) type device as
When setting PLC to the RUN mode while the command input is ON, clear
414
S D
value.
1 1
D
D D
PLCs, the contents of
1
D D are same as the case "2) When M8026 is ON" below regardless of the ON/OFF
1
D
→ For the instruction execution complete flag use method, refer to Subsection 6.5.2.
Name
Turns ON when
Refer to the operation of the mode flag M8026 described above.
/FX
3U
are changed as follows depending on the ON/OFF status of the mode
2) When M8026 is ON
Command
S
2
S
1
(M8029)
D becomes equivalent to
PLCs, and is cleared when the PLC mode switches from RUN to
3UC
14 Handy Instruction – FNC 60 to FNC 69
14.8 FNC 67 – RAMP / Ramp Variable Value
D D
D D
value will change from
1
D
Description
S after "n" operation cycles.
2
D
D
1
D D
in advance.
1
value is
1
S D
to
1 1