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High−level Instructions
F146
(RECV)
P146
(PRECV)
Outline
Receives specified data from the serial port of another PLC or computer
to the unit.
Program example
Trigger
R0
10
F146 RECV, DT10 , DT 0 , K 100 , DT50
S1
S2
N
D
Operands
Relay
Operand
Operand
WX WY WR WL
S1
A
A
S2
A
A
A
N
N/A
(*2)
D
N/A
A
(*1) I0 to ID
(*2) It can be specified only for the FP0R, FPΣ V3.20 or later, FP−X V2.50 or later, however, an operation error will occur
not a syntac error if K or H constant is specified as S1 and S2.
Operation
It is used to send commands to the serial port (COM1 or COM2) of the specified unit in the
MEWTOCOL−COM mode connecting the unit that enables to receive the computer link command.
The data is sent from the area of the remote unit specified by [S2] and [N], and is stored in the area of
the local unit that starts with [D], according to the specification for the 2−word data stored in the control
data that starts with the area specified by [S1].
3 − 360
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
Data receive
(For MEWTOCOL master mode)
Ladder Diagram
Ladder Diagram
S1
S2
Starting 16-bit area for storing control data
16−bit area of destination to receive (The device No. is fixed at 0).
Starting address of the destination to receive.
Starting 16−bit area address for storing data received (destination data area
at local unit).
Timer/Counter Register
SV
EV
A
A
A
A
A
A
A
A
A
A
A
A
(*2)
(*2)
(*2)
(*2)
A
A
A
A
N
D
Index
register
SWR
SWR
DT
LD
In (*1)
A
A
N/A
A
A
A
N/A
N/A
A
A
N/A
N/A
(*2)
(*2)
A
A
N/A
N/A
FPΣ/FP−X/FP0R
Availability
FP0R
FP−X: Ver 1.2 or more
FPΣ: 32k
Boolean
Address
Instruction
10
ST
R
11
F146
(RECV)
DT
DT
K
DT
Constant
Index
SDT
SDT
modifier
modifier
K
H
A
N/A
N/A
A
N/A
N/A
N/A
N/A
N/A
A
A
A
N/A
N/A
N/A
A
A:
Available
N/A: Not Available
0
10
0
100
50
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