■
Sample program (in the case of SCU)
● When the received flag (X0) turns ON, the reception program is started up by the GPRECV
instruction.
● Using the UNITSEL instruction, specify the slot number (U0) and the COM. port number
(U1).
● In the GPRECV instruction, specify and execute the start of the data table that stores the
received message (DT200) and the final address (DT209).
GPRECV
.
US
DT209
DT200
R100
UNITSEL
U1
U0
X0
(
(
)
)
DF
R100
GPRECV processing
D1: Header for received data (DT200)
D2: End for received data (DT209)
GPRECV execution condition
Received flag: ON
S1
S2
D1
D2
Communication port settings
S1: Slot 0 built-in CPU (U0)
S2: COM1 (U1)
■
Time chart (in the case of SCU)
● Data received from an external device are stored in the receive buffer.
● When the end code is received, the received flag (X0, X1, X2, X3) turns ON. Subsequently,
the following data are stored in the buffers upon reception. Data for 8 buffers can be received
consecutively.
Start receiving
1
Received data
Reception done flag
X0
2
・・・
5
A
(
C
R
)
ON
OFF
ON
OFF
GPRECV execution condition
R100
Execute GPRECV instruction
B
・・・
● When the GPRECV instruction is executed, data are copied to the specified area, and the
received flags (X0, X1, X2, X3) are turned OFF. The received flags (X0, X1, X2, X3) are
turned OFF when I/O refresh is executed at the start of the following scans.
Execute GPRECV
Reception done flag
(X0,X1,X2,X3)
Reception done flag (X0,X1,X2,X3):
Reception done: ON,
Received data copy done using
GPRECV instruction: OFF
Cr
Receive buffer
Received data
Cr
15.3 GPRECV (General-Purpose Communication Receive Instruction)
WUME-FP7CPUPGR-12
15-17
Содержание FP7 Series
Страница 2: ... MEMO 2 WUME FP7CPUPGR 12 ...
Страница 18: ... MEMO xviii WUME FP7CPUPGR 12 ...
Страница 52: ... MEMO 1 34 WUME FP7CPUPGR 12 ...
Страница 61: ...Example 2 Use PSHS RDS or POPS instruction 2 1 Structure of Instructions WUME FP7CPUPGR 12 2 9 ...
Страница 104: ... MEMO 2 52 WUME FP7CPUPGR 12 ...
Страница 123: ...3 9 ANS AND stack WUME FP7CPUPGR 12 3 19 ...
Страница 125: ...3 10 ORS OR Stack WUME FP7CPUPGR 12 3 21 ...
Страница 129: ...3 11 PSHS Push stack RDS Read stack POPS Pop stack WUME FP7CPUPGR 12 3 25 ...
Страница 139: ...4 CNDE instruction 5 Step ladder instructions 6 Subroutine instructions 3 16 ALT Alternate out WUME FP7CPUPGR 12 3 35 ...
Страница 146: ... Application example of timer instructions serial connection of timers 3 17 TM Timer 3 42 WUME FP7CPUPGR 12 ...
Страница 147: ... Application example of timer instructions parallel connection of timers 3 17 TM Timer WUME FP7CPUPGR 12 3 43 ...
Страница 190: ...3 26 JP LBL Jump Label 3 86 WUME FP7CPUPGR 12 ...
Страница 239: ...Name Description SR8 ER 3 46 ST ST ST ST ST ST Data Comparison Start WUME FP7CPUPGR 12 3 135 ...
Страница 246: ... MEMO 3 142 WUME FP7CPUPGR 12 ...
Страница 251: ...Name Description SRA Depending on the comparison result SRB SRC 4 1 CMP Data Compare WUME FP7CPUPGR 12 4 5 ...
Страница 258: ... MEMO 4 12 WUME FP7CPUPGR 12 ...
Страница 277: ...F E D C B A 9 8 7 6 5 4 3 2 1 0 Digit 3 Digit 2 Digit 1 Digit 0 bit 5 8 DGT Digit Data Transfer WUME FP7CPUPGR 12 5 19 ...
Страница 304: ... MEMO 5 46 WUME FP7CPUPGR 12 ...
Страница 321: ...Name Description ER 6 7 DIVFP2 Division FP2 Compatible WUME FP7CPUPGR 12 6 17 ...
Страница 348: ... MEMO 6 44 WUME FP7CPUPGR 12 ...
Страница 388: ... MEMO 7 40 WUME FP7CPUPGR 12 ...
Страница 438: ... MEMO 8 50 WUME FP7CPUPGR 12 ...
Страница 450: ... MEMO 9 12 WUME FP7CPUPGR 12 ...
Страница 520: ... MEMO 10 70 WUME FP7CPUPGR 12 ...
Страница 602: ... MEMO 11 82 WUME FP7CPUPGR 12 ...
Страница 622: ... MEMO 12 20 WUME FP7CPUPGR 12 ...
Страница 650: ... MEMO 13 28 WUME FP7CPUPGR 12 ...
Страница 1160: ... MEMO 18 66 WUME FP7CPUPGR 12 ...
Страница 1188: ... MEMO 19 28 WUME FP7CPUPGR 12 ...
Страница 1211: ...20 4 ASCII Code Table JIS8 Code Table Reference Table ASCII Codes 20 4 ASCII Code Table JIS8 Code Table WUME FP7CPUPGR 12 20 23 ...
Страница 1220: ... MEMO WUME FP7CPUPGR 12 ...
Страница 1221: ... MEMO WUME FP7CPUPGR 12 ...