Mitsubishi Electric MELSEC FX3U Programming Manual page 686

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
When a bit device is specified by digit specification
4 K bits are shifted according to the data bit specification.
Command
input
FNC213
SFRP
M11 M8
1 0 1 0
M11 M8 M7
0 0 0 0
Become "0".
Related device
Device
M8022
Error
An operation error is caused in the following cases; The error flag M8067 turns ON, and the error code is
stored in D8067.
• When a negative value is set to "n" (error code: K6706)
Program example
In the program example shown below, the contents of Y010 to Y023 are shifted rightward by the number of
bits specified by D0 when X020 turns ON.
X020
Y23
1 0 1
D0
4
Y23
0 0 0
Become "0".
684
K3M0 K4
M7 M4 M3
1 0 1 0 1 0
M4 M3
1 0 1 0 1 0
Name
Carry flag Shifts the ON/OFF status of bit "n-1".
FNC213
K3Y010
SFRP
Y20 Y17 Y14 Y13
0 1 0 1 0 1
Y20 Y17 Y14 Y13
0 1 0 1 0 1
27.4 FNC213 – SFR / Bit Shift Right with Carry
M0
1 0
Carry flag
M8022
M0
1 0 1
→ For the carry flag use method, refer to Subsection 6.5.2.
D0
END
Y10
0 1 0
Carry flag
M8022
Y10
0 1 0 1
27 Data Operation 3 – FNC210 to FNC219
Description