Sharp JW-20CM - Manual (Page 229)

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(3) F-205
F-205
RCV
Receive Data
• Even addresses must always be used for indirect addressing (@∫0001, @b0173, etc. are
prohibited).
• For details of indirect addressing, see PC's programming manual.
• F-205 instruction must always be used in conjunction with the F-202 (OPCH) instruction.
• After turning ON the input signal of F-205, keep it ON until the finish of the execution of the
instruction. If the input signal is turned OFF during execution of the instruction, the instruction
ends in an incomplete condition. Under this condition, next, when an F-205 instruction is given, it
will come to a “communication jam,” and the instruction will not be executed. Turn the power OFF
and then ON again for recovery.
[*1] Setting range of “S” is for JW model PCs. For ZW model PCs, setting range is 0000 to
19777.
[*2] In case that the network module of the assigned module number is not installed.
[*3] In case that the channel is used with the other SEND/RECEIVE instruction.
This instruction is executed after end of execution of the previously given instruction, and
flag sign is changed into “communication busy” from “communication jam.”
[*4] In case that response from target station does not come within the time-out time.
Symbol
Function
Operation
Range of n
Range of D
Condition
Contents
of D
F-205
RCV
Specify the first address and byte count
of the receive data for transmission
across satellite net.
000 to 377
(8)
(256 bytes for 000
(8)
)
Specified station D to D + n - 1
When input signal is ON.
Unchanged
n D
Communication
contents
0
0
1
0
0
0
0
0
1
1
1
0
0
0
1
0
1
1
0
0
F-202
OPCH
2.0.04
14003
0 04000
F-205
RCV
006 19000
20
10
07
04
01
09004
30 09005
09003
09002
09001
09000
20
10
07
04
01
09004
30 09005
09003
09002
09001
09000
04
After
operation
Zero
07357
Carry
07356
Error
07355
Non-carry
07354
No response
from module [*2]
Communication
jam [*3]
Communication busy
(waiting for response
from target station)
Nomal end
Abnomal end [*4]
(communication
error)
[Explanation]
Instruction
S T R
F-202
F-205
006
P.2
C.0
S.04
0
04000
19000
When the input condition of 14003 changes from OFF to ON,
this instruction reads 6 bytes of data from file 0's file area
beginning with file address 04000 on satellite net station 04,
via CH0 of port No. 2. The data read is stred to registers
19000 to 19005.
Port 2
Flag
Response
File 0
Target station
Received data
] 0 0 0 0 t o ] 1 5 7 7
b 0 0 0 0 t o b 1 7 7 7
0 9 0 0 0 t o 0 9 7 7 7
:
9 9 0 0 0 t o 9 9 7 7 7
E 0 0 0 0 t o E 1 7 7 7
Specify target
station
Sending
[*1]
@ ] 0 0 0 0 t o @ ] 1 5 7 4
@ b 0 0 0 0 t o @ b 1 7 7 4
@ 0 9 0 0 0 t o @ 0 9 7 7 4
:
@ 9 9 0 0 0 t o @ 9 9 7 7 4
@E0000 to @E1774