FX
/FX
/FX
Series Programmable Controllers
3G
3U
3UC
Programming Manual - Basic & Applied Instruction Edition
Program examples
In programs, the contents of buffer memories (BFMs) in special extension units/blocks are read (transferred)
to data registers (D), extension registers (R) and auxiliary relays (M) with digit specification using the FROM
instruction and direct specification of buffer memories
*1.
This function is supported only in FX
Example: When the BFM #4 (abnormal station information) in the CC-Link/LT master unit (whose unit number
is fixed to "0") built in the FX
- In case of FROM instruction
M8000
- In case of MOV instruction
M0
Example: When the BFMs #0 to 3 (remote station connection information) in the CC-Link/LT master unit
(whose unit number is fixed to "0") built in the FX
- In case of FROM instruction
M0
- In case of BMOV instruction
M0
/FX
3U
-32MT-LT(-2) is read to D0
3UC
FNC 78
K0
K4
FROM
Unit
BFM #4
No. 0
FNC 78
K0
K0
FROMP
Unit
BFM #0
No. 0
FNC 78
K0
K0
FROMP
Unit
BFM #0
destination
No. 0
FNC 15
U0\G0
D10
BMOVP
Unit No. 0
Transfer
destination
BFM #0
15 External FX I/O Device – FNC 70 to FNC 79
15.9 FNC 78 – FROM / Read From A Special Function Block
*1
.
PLCs.
3UC
D0
K1
Number of
Transfer
transfer
destination
points
D10
K4
Number of
Transfer
transfer
destination
points
-32MT-LT(-2) are read to D10 to D13
3UC
D10
K4
Number of
Transfer
transfer
points
K4
Number of
transfer
points
11
12
13
14
15
16
17
18
19
20
469