To Instruction - Mitsubishi FX3U-USB-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Non-Protocol Communication (FX
5.2.2

TO instruction

TO instruction writes data to the buffer memory in a special function block.
1. Applicable devices
• For FX /FX
2N
Operand
Type
X
m1
m2
S
n
• For FX /FX
3U
Bit Devices
Oper-
and System User
Type
X Y M T C S D .b KnX KnY KnM KnS T C D R U \G
m1
m2
S
n
2. Function and operation
1) 16-bit operation (TO and TOP)
PLC (word device)
"n" 16-bit data starting from
from buffer memory No. m2 inside the special function block No. m1.
Command
2) 32-bit operation (DTO and DTOP)
PLC (word device)
"n" 32-bit data starting from [
memories starting from the buffer memory No. m2 inside the special function block No. m1.
Command
G-16
-232IF)
2N
PLCs
2NC
Bit Devices
System User Digit Specification
Y M T C S KnX
PLCs
3UC
Digit Specification
→ Special function block (BFM)
inside the PLC are transferred (written) to "n" buffer memories starting
S
FNC 79
m1 m2
TO
→
Special function block (BFM)
S
FNC 79
m1 m2
DTO
Word Devices
System User
KnY KnM KnS T
Word Devices
Special
System User
Unit
S n
Number of transfer points
n = 1 to 32767
Transfer source (PLC)
BFM # Transfer destination
(Special extension unit/block)
m2 = 0 to 32766
Unit No.
m1 = 0 to 7
+1, ] inside the PLC are transferred (written) to "n" buffer
S
S n
Number of transfer points
n = 1 to 16383
Transfer source (PLC)
BFM # Transfer destination
(Special extension unit/block)
m2 = 0 to 32765
Unit No.
m1 = 0 to 7
5.2 FROM and TO Instructions
Index
C D V Z Modify
Con- Real
Index
stant Number
V Z Modify K H E
5 Creating Programs
Others
Constant Pointer
K H P
Others
Charac-
Pointer
ter String
" " P