19.5 Message Formats
19.5.7 Formats 14, 15 (GOT-F900 series microcomputer connection)
19 - 63
17
CONNECTION TO
ALLEN-BRADLEY PLC
18
CONNECTION TO
SIEMENS PLC
19
MICROCOMPUTER
CONNECTION
20
CONNECTION TO OMRON
TEMPERATURE
CONTROLLER
21
CONNECTION TO
YAMATAKE TEMPERATURE
CONTROLLER
22
CONNECTION TO RKC
TEMPERATURE
CONTROLLER
23
CONNECTION TO
FREQROL SERIES
INVERTER
24
SERVO AMPLIFIER
CONNECTION
(b) When reading bit device
The following shows an example of reading four bytes of the virtual devices M0 to M31.
(Assuming that M0="1" and M31="1" are stored.)
Item Message format
Request message
(host GOT)
(format 14: GOT-F900 series microcomputer connection (format 1))
(format 15: GOT-F900 series microcomputer connection (format 2))
Response
message during
normal
communication
(GOT host)
(format 14: GOT-F900 series microcomputer connection (format 1))
(format 15: GOT-F900 series microcomputer connection (format 2))
Response
message during
faulty
communication
(GOT host)
M15 to 0
M31 to 16
0001H
8000H
02H
STX
0D
H
CR
(H) (L)
Station No.
15
31
H 35H
(H) (L)
Address
2
32
H
––
0
30
H
(H) (L)
Number of
bytes
04
30
H 34H
A
41
H
0
30
H
0
30
H
Com-
mand
Sum check is performed in this range.
02
H
STX
03
H
ETX
(H) (L)
D0
44
H 30H
Sum
Check
(H) (L)
Station No.
15
31
H 35H
(H) (L)
Address
2
32
H
––
0
30
H
(H) (L)
Number of
bytes
04
30
H 34H
A
41
H
0
30
H
0
30
H
Com-
mand
02H
STX
0D
H
CR
M
1
6
M
1
7
M
1
8
M
1
9
M
2
0
M
2
1
M
2
2
M
2
3
M
2
4
M
2
5
M
2
6
M
2
7
M
2
8
M
2
9
M
3
0
M
3
1
00000000
M
8
M
9
M
1
0
M
1
2
M
1
3
M
1
4
M
1
5
M
1
1
00000
M
0
M
1
M
2
M
3
M
4
M
5
M
6
M
7
1
000000000100000000
(H) (L)
Data 1
(M7
to 0)
0
30
H
1
31
H
(H) (L)
Data 2
(M15
to 8)
0
30
H
0
30
H
(H) (L)
Data 3
(M23
to 16)
0
30
H
0
30
H
(H) (L)
Data 4
(M31
to 24)
8
38
H
0
30
H
Sum check is performed in this range.
02
H
STX
03
H
ETX
(H) (L)
8C
38
H 43H
Sum
Check
M
1
6
M
1
7
M
1
8
M
1
9
M
2
0
M
2
1
M
2
2
M
2
3
M
2
4
M
2
5
M
2
6
M
2
7
M
2
8
M
2
9
M
3
0
M
3
1
00000000
M
8
M
9
M
1
0
M
1
2
M
1
3
M
1
4
M
1
5
M
1
1
00000
M
0
M
1
M
2
M
3
M
4
M
5
M
6
M
7
1000000000100000000
(H) (L)
Data 1
(M7 to 0)
0
30H
1
31
H
(H) (L)
Data 2
(M15 to 8)
0
30
H
0
30
H
(H) (L)
Data 3
(M23 to 16)
0
30
H
0
30
H
(H) (L)
Data 4
(M31 to 24)
8
38
H
0
30
H
15
H
NAK
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