Mitsubishi Electric GT14, Руководство пользователя

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56
CONNECTION T
O
L
S
IN
DUST
R
IA
L
SY
STEMS PLC
57
CONNECTION T
O
SI
CK SAFE
T
Y
CONTROL
LER
58
CONNE
C
T
ION T
O
SI
EME
N
S PLC
59
CON
N
ECT
ION
T
O
HI
RA
TA
C
O
RPOR
AT
ION
HN
C C
O
NT
ROL
LE
R
60
CONNECTION
T
O
MURA
TEC
CONT
ROLLE
R
61
MICROCOMPUTER C
O
NNECTION
(SERI
A
L)
62
MICROCOMPUTER CONNECTION (ETHERNET)
63
MODBUS
(R)/
R
T
U
CONNECTION
62. MICROCOMPUTER CONNECTION (ETHERNET)
62.4 Message Formats
62 - 33
(2) Batch write (1) command (w/out station No.), batch write (B) command (w/station No.)
(a) When writing to a word device
The following shows an example of writing "3D21
H
" and "3604
H
" to virtual devices R100 and R101 on the
GOT at station No.15.
R100
R101
0000
H
0000
H
R100
R101
0064
H
0065
H
Before execution After execution
Item Message Formats
Request message
(host
GOT)
(format 3: GOT-F900 Series microcomputer connection (ASCII))
(format 4: GOT-F900 Series microcomputer connection (Binary))
Response message
during normal
communication
(GOT
host)
Response message
during faulty
communication
(GOT
host)
(H) (L)
Data 1
(R100 upper)
3 D
33
H
44
H
(H) (L)
Data 2
(R100 lower)
2 1
32
H
31
H
(H) (L)
Data 3
(R101 upper)
3 6
33
H
36
H
(H) (L)
Data 4
(R101 lower)
0 4
30
H
34
H
*1
(H) (L)
Station No.
1 5
31
H
35
H
(H) (L)
Address
0
30
H
– –
0
30
H
8
38
H
(H) (L)
Number
of bytes
0 4
30
H
34
H
B
42
H
C
43
H
Following
*1
Com-
mand
Data 1
(R100 upper)
3D
H
21
H
Data 2
(R100 lower)
Data 3
(R101 upper)
36
H
04
H
Data 4
(R101 lower)
*2
Station
No.
0F
H
Address
C8
H
Number
of bytes
04
H
B 00
H
Following
*2
Com-
mand
06
H
ACK
15
H
NAK