Operan
d
16-Bit device:
32-Bit
device:
Integer
Real
numbe
r
St
rin
g
Index
modifie
r
W
X
W
Y
W
R
W
L
W
S
S
D
D
T
L
D
U
M
WI
W
O
TS
C
S
TE
C
E
IX K U H SF
D
F
" "
D2 ● ● ● ● ● ●
●
(N
ote
1)
●
(N
ote
1)
●
D3 ● ● ● ● ● ● ●
(Note 1) Only when "direct addressing" in the MC protocol mode is set, integers can be specified for a
destination address.
■
Available bit devices (●: Available)
Operand
Bit device
Specification of bit of
word device
Index
modifier
X Y R L T C P E SR IN OT DT.n LD.n
S ● ● ● ● ● ● ●
n
D1
D2
D3
(Note 1) Bit devices cannot be specified for the operands n, D1, D2, and D3.
■
Outline of operation
● This instruction sends commands from the communication port of the unit to send/receive
data to/from devices that support "MC protocol".
● Data can be read and written by specifying station numbers and memory addresses and
executing the SEND and RECV instructions in a user program, because PLC automatically
creates messages according to the protocol.
● Select a communication mode in the configuration menu of the tool software FPWIN GR7.
● When the SEND instruction is executed, the data is read from the device that starts from [S]
in the master unit and the data is stored in the address that starts from [D1] (upper address)
+ [D2] of the partner unit.
● The transfer method (register transfer/bit transfer) varies according to the device types that
are specified by [S] and [D1].
● The execution result code is stored in the one-word area of the master unit that is specified
by [D3].
■
Specification of [S], [n], [D1], and [D2]
● The transfer method and the amount of sent data [n] vary according to the type of the device
on FP7 that is specified by the operand [S].
17.39 SEND (MC Protocol Master)
17-196 WUME-FP7CPUPGR-12