Mitsubishi FX3U Series Programming Manual

443
FX3G/FX3U/FX3GC/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
15 External FX I/O Device – FNC 70 to FNC 79
15.9 FNC 78 – FROM / Read From A Special Function Block
11
FNC30-FNC39 Rotation and Shift
12
FNC40-FNC49 Data Operation
13
FNC50-FNC59 High-Speed Processing
14
FMC60-FNC69 Handy Instruction
15
FNC70-FNC79 External FX I/O Device
16
FNC80-FNC89 External FX Device
17
FNC100-FNC109 Data Transfer 2
18
FNC110-FNC139 Floating Point
19
FNC140-FNC149 Data Operation 2
20
FNC150-FNC159 Positioning Control
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
.
*1. This function is supported only in FX3U/FX3UC PLCs.
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 FX3UC-32MT-LT(-2) is read to D0
-In case of FROM instruction
-In case of MOV instruction
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 FX3UC-32MT-LT(-2) are read to D10 to D13
-In case of FROM instruction
-In case of BMOV instruction
M8000
Unit
No. 0
BFM #4
Transfer
destination
Number of
transfer
points
FNC 78
FROM
K0 K4 D0 K1
M8000
Unit No. 0
BFM #4
Transfer
destination
FNC 12
MOV
U0\G4 D0
M0
Unit
No. 0
BFM #0
Transfer
destination
Number of
transfer
points
FNC 78
FROMP
K0 K0 D10 K4
M0
Unit No. 0
BFM #0
Transfer
destination
FNC 15
BMOVP
U0\G0 D10
Number of
transfer
points
K4

Mitsubishi FX3U Series Specifications

General

Brand	Mitsubishi
Model	FX3U Series
Category	Controller
Language	English