Recv (Modbus Master: Function Code Specification) - Panasonic FP7 Series Command Reference Manual

15.7 RECV (MODBUS Master: Function Code Specification)

15.7 RECV (MODBUS Master: Function Code Specification)
■
Ladder diagram
(Note 1) The above figure shows the case that S1=U0 (CPU unit with built-in SCU) and S2=U1 (port number 1)
are specified by the UNITSEL instruction.
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Available operation units (●: Available)
Operatio
bit
n unit
i
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List of operands
Items Settings
MODBUS function code to be used, and the partner station number
S1 Higher byte MODBUS function code (two hexadecimal digits)
Lower byte
S2 MODBUS starting address of the sender in the partner unit
n Number of received data
D1 Device starting address of the receiver data area in the master unit
Starting address of the device area of the master unit that stores the
D2
execution result code (1 word)
■
Available word devices (●: Available)
Operan
d
W W
X Y
S1 ● ●
S2 ● ●
n ● ●
15-44
US
●
Partner station number (two hexadecimal digits)
16-Bit device:
W W W S D L
R L S D T D
● ● ● ●
● ● ● ●
● ● ● ●
SS UL
●
32-Bit
device:
TS TE
U W
WI
C C
M O
S E
SL SF
Setting range
H1 to H4 (1 to 4)
H1 to HFF (1 to 255)
H0 to HFFFF (0 to 65535)
1 to 127 words
1 to 2040 bits
-
Real
Integer numbe
r
D
IX K H SF
Ｕ
F
● ●
(N
● ote
1)
● ●
WUME-FP7CPUPGR-12
DF
St
rin
g Index
modifie
r
" "
●
●
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