Mitsubishi Electric MELDAS C6 Programming Manual page 341

BUFRCV ... Data reception (for fixed–buffer communication)
Bit device
X Y M L F B SB T SM V T
S1
S2
D1
D2
BUFRCV
Setting data
" Un "
Head input/output No. for Ethernet I/F card
S1 Connection No. (1 to 8)
S2 Head device of local station storing control data
D1 Head No. of device to store the received data
Local device that turns 1 scan ON at completion of command.
D2
(D1)+1 device also turns ON at error completion.
Function
Reads the data received from the client device. (Fixed-buffer communication.)
Used by the main program.
(1) Control data
Device Item
(S2) + 0 System area
(S2) + 1 Completion
status
*1: User : Data to be set by user before executing exclusive command.
System : The results of the exclusive command executed is stored by the sequencer CPU.
(2) Received data
Device Item
(D1) + 0 Received data
length
(D1) + 1 to Received data
(D1) + n
(3) Error code
Refer to OPEN command for details of error code.
9. Exclusive Commands 1
BUFRCV
Usable device
Word device
C D R W SW Z SD K
Command
ZP.BUFRCV
Details
Setting data
The status at completion is stored.
0000 : Normal completion
H
Other than 0000 : Error completion
H
(error code)
Setting data
Designate the received data length.
Designate the data length according to the
communication procedure.
Procedural : No. of words
Non-procedural : No. of bytes
Designate the received data.
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Con-
Pointer
stant
H
" Un "
S1 S2 D1
—
Digit
No. of
desig- Index
steps
nation
P
13
D2
Data type
BIN16 bit
BIN16 bit
BIN16 bit
BIN16 bit
Bit
Setting Setting
range side (*1)
— —
— System
Setting Setting
range side (*1)
System
1 to 1017
1 to 2046
— System