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2 Simple Application Controllers
The Command String 7
7 - 24
7.6.3 Write Command
1 ) Command Specification
Format B is shown
2 ) Command Example
a ) Turn Output O1 ON on Station 00
The received message shows that the Transmit message to turn Output 01 ON or 01H
in station 00H was successfully completed.
Computer
α
2 Controller
S
T
X
Command
No. comm
bytes
Format No.
Station No.
Device No.
(HB)
No. of devices
Device code
Device No.
(LB)
Sum check
(HB)
E
T
X
Sum check
(LB)
Device status
Complete flag
Format No.
Station No.
S
T
X
S
T
X
A
C
K
Format No.
Startion No.
S
T
X
N
A
K
Format No.
Station No.
Error Code
or
08H
No. comm
bytes
03H
No. comm
bytes
04H
No. comm
bytes
03H
08 = 01+01 + 01 (bytes)+01+ 01 + 01 + 01 + 01
03 = 01+01 (bytes)+01
03 = 01+01 (bytes)+01
04 = 01+01 + 01 (bytes)+01
Computer
α
2 Controller
S
T
X
Command
Format No.
Station No.
Complete
flag
A
C
K
No. comm
bytes
02H
Device No.
(HB)
No. of
devices
Device
code
Device No.
(LB)
Sum check
(HB)
E
T
X
Sum check
(LB)
Device
status
08H 41H 00H 01H 01H 42H 01H 00H 01H 03H 87H 00H
S
T
X
Format No.
Station No.
No. comm
bytes
02H 03H 40H 00H
S
T
X
Format No.
Station No.
No. comm
bytes
02H 03H 40H 00H21H 06H