YOKOGAWA F3RS22-0N, Руководство пользователя

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4-21
IM 34M6H21-01E 2nd Edition : Aug, 2001-00
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When F3RS41-0N reads data from the remote equipment
(command: RD)
- “DATA” refers to contents sent from the remote equipment to F3RS41-0N.
z
Timing Chart
The program is as shown below
10 DEFINE A-Z
20 SLOT=5:PORT=1
30 ASSIGN RS42=SLOT
40 CONTROL SLOT,PORT,14;7 :! 9600bps
50 CONTROL SLOT,PORT,22;$003 :! Terminator = ”ETX”
60 RESET SLOT,PORT,1 :! Reset buffer
70 ON INT SLOT,PORT GOSUB ENTSTS@ :! Declare interrupt and set branch
points
80 ENABLE INTR SLOT,PORT;“111” :! Enable interrupt
90 MNUMBER$=“01” :! Device number
100 COMMAND$=“DS” :! “DS”; Read Status command
110 GOSUB SND@
120 WAIT
(to be continued on the next page)
Command
S
O
H
1
Device
No
.
S
O
H
DS
Device
No
.
RS DATA
Command
Command
Remote
equipment
S
T
X E
T
X
S
O
H
S
T
X E
T
X
F3RS41-0N
S
T
X
DS
E
T
X
S
O
H
S
T
X
DS
Status
E
T
X
F3RS41- 0N
Remote equipment 1
1
S
O
H
S
T
X
DS
E
T
X
2
S
O
H
S
T
X
DS
Status
E
T
X
2
S
O
H
S
T
X
RD
E
T
X
2
S
O
H
S
T
X
RD DATA
E
T
X
Command
2
Device
Device
Remote equipment