Fnc177 - Wr3A / Write To Dedicated Analog Block - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
22.4 FNC177 – WR3A / Write to Dedicated Analog Block
Outline
This instruction writes a digital value to the analog block FX
1. Instruction format
FNC 177
WR3A
2. Set data
Operand Type
m1
m2
S
3. Applicable devices
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
Explanation of function and operation
1. 16-bit operation (WR3A)
Command
input
FNC177
WR3A
: Special block number
m1
FX
3G
FX
3UC
: Analog output channel number
m2
FX
0N-
FX
2N
: Data to be written
S
Specify a value output to the analog block.
FX
0N
FX
2N
*1. The FX
0N
610
Mnemonic
16-bit Instruction
P
WR3A
7 steps
WR3AP
Special block number
- FX /FX /FX (D, DSS) PLC: K0 to K7
3G 3U 3UC
- FX -32MT-LT(-2) : K1 to K7
3UC
Analog output channel number
Data to be written or word device storing data to be written
Digit Specification
m1 m2
/FX /FX (D, DSS) PLC : K0 to K7
3U 3UC
-32MT-LT(-2) : K1 to K7 (K0 indicates the built-in CC-Link/LT master.)
*1
3A : K1 (ch 1)
-2DA : K21 (ch 1) or K22 (ch 2)
*1
-3A : 0 to 255 (8 bits)
-2DA : 0 to 4095 (12 bits)
-3A is available only for the FX
22.4 FNC177 – WR3A / Write to Dedicated Analog Block
*1
-3A or FX
0N
Operation Condition
32-bit Instruction
Continuous
Operation
Pulse (Single)
Operation
Description
Word Devices
Special
System User
Unit
S
and FX PLCs.
3U 3UC
22 External Device – FNC170 to FNC179
-2DA.
2N
Mnemonic Operation Condition
−
16-bit binary
16-bit binary
16-bit binary
Others
Con- Real
Index
stant Number
V Z Modify K H E
Data Type
Charac-
Pointer
ter String
" " P