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2 Simple Application Controllers
The Command String 7
7 - 23
b ) Read the Status of the Delay FB Word parameters CWNo.5 and 6 as shown below.
Refer to section 6.1 for more details concerning VLS settings for dedicated protocol bit/
word settings.
The following command string will use device code 69 (communication word CWNo. device
code) to access parameters 5 and 6.
The received message shows that
Parameter 5 00H (HB) 32H (LB) = 50 decimal
Parameter 6 00H (HB) 0FH (LB) = 15 decimal
Computer
α
2 Controller
No. comm
bytes
0AH02H
Format No.
41H
Station No.
00H
Command
00H
No. of
devices
02H
Device
code
69H
Device No.
(LB)
05H
Device No.
(HB)
00H
E
T
X
03H
Sum check
(LB)
20H
Sum check
(HB)
01H
Device
code
69H
Device No.
(LB)
06H
Device No.
(HB)
00H
S
T
X
No. comm
bytes
03H02H
Format No.
40H
Station No.
00H
Complete
flag
21H
S
T
X
No. comm
bytes
08H02H
Format No.
41H
Station No.
00H
Command
00H
No. of
devices
02H
Device
status
32H
Device
status
00H
Device
status
0FH
Device
status
00H
Sum check
(LB)
84H
Sum check
(HB)
00H
S
T
X
E
T
X
03H