585
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
22 External Device – FNC170 to FNC179
22.4 FNC177 – WR3A / Write to Dedicated Analog Block
21
FNC160
-F
NC1
69
R
eal
T
ime C
lock
C
ontrol
22
FNC17
0-F
NC
179
E
xternal D
evice
23
FNC
180
Alternate
Instructions
24
FN
C181-
FNC18
9
O
thers
25
FNC190
-F
NC1
99
Bl
oc
k D
ata
Op
er
atio
n
26
FNC20
0-F
NC209
C
har
ac
te
r S
trin
g
Con
tro
l
27
FNC2
10-
FNC21
9
Dat
a
Operati
on 3
28
FNC220
-F
NC2
49
Da
ta
C
omp
ari
son
29
FNC25
0-F
N
C
269
D
ata T
abl
e
Operation
30
FNC2
70-
FNC275
Ex
-Dev
ice
Inverter C
om
m
s
22.4
FNC177 – WR3A / Write to Dedicated Analog Block
Outline
This instruction writes a digital value to the analog block FX
0N
-3A
*1
or FX
2N
-2DA.
1. Instruction format
2. Set data
3. Applicable devices
Explanation of function and operation
1. 16-bit operation (WR3A)
m1
: Special block number
FX
3G
/FX
3U
/FX
3UC
(D, DS, DSS)
PLC : K0 to K7
FX
3UC
-32MT-LT(-2) : K1 to K7 (K0 indicates the built-in CC-Link/LT master.)
m2
: Analog output channel number
FX
0N-
3A
*1
: K1 (ch 1)
FX
2N
-2DA : K21 (ch 1) or K22 (ch 2)
: Data to be written
Specify a value output to the analog block.
FX
0N
-3A
*1
: 0 to 255 (8 bits)
FX
2N
-2DA : 0 to 4095 (12 bits)
*1.
The FX
0N
-3A is available only for the FX
3U
and FX
3UC
PLCs.
Operand Type
Description
Data Type
m1
Special block number
- FX
3G
/FX
3U
/FX
3UC
(D, DS, DSS) PLC: K0 to K7
- FX
3UC
-32MT-LT(-2) : K1 to K7
16-bit binary
m2
Analog output channel number
16-bit binary
Data to be written or word device storing data to be written
16-bit binary
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS T C D R U
\G
V
Z Modify K H
E
"
"
P
m1
3
3
3
3
3 3 3 3
3 3
3
3 3
m2
3
3
3
3
3 3 3 3
3 3
3
3 3
3
3
3
3 3 3 3
3 3
3
P
FNC 177
WR3A
Mnemonic
Operation Condition
16-bit Instruction
7 steps
WR3A
WR3AP
Mnemonic
Operation Condition
Continuous
Operation
Pulse (Single)
Operation
32-bit Instruction
−
S
S
FNC177
WR3A
m1
m2
Command
input
S
S
Содержание FX3G SERIES
Страница 1: ...FX3G FX3U FX3UC SERIES PROGRAMMABLE CONTROLLERS PROGRAMMING MANUAL Basic Applied Instructions Edition ...
Страница 2: ......
Страница 947: ......