2.6 Communications with a Mitsubishi PLC (A-compatible 1E Frame protocol)
Message Functions
2-130
Parameters
10 Inputs Connection Number
Sets the connection number used to determine the
remote station.
11 I/O Option Not used for the A-compatible 1E Frame protocol.
12
Out-
puts
Function Code
Gives the function code requested by the remote
station.
13 I/O Reserved for system.
−
14
Out-
puts
Data Address, Lower Word
Gives the first address of the data that was
requested by the remote station.
15 Data Address, Upper Word
16 Register type
Gives the register type that was requested by the
remote station.
17 Data Size
Gives the data size that was requested by the
remote station.
18 Remote CPU Module Number Not used for the A-compatible 1E Frame protocol.
19 I/O Reserved for system.
−
20
Inputs
Coil Offset, Lower Word
Sets the offset word address for a coil (MB).
21 Coil Offset, Upper Word
22 Input Relay Offset, Lower Word
Sets the offset word address for an input relay (IB).
23 Input Relay Offset, Upper Word
24 Input Register Offset, Lower Word
Sets the offset word address for an input register
(IW).
25 Input Register Offset, Upper Word
26 Hold Register Offset, Lower Word
Sets the offset word address for a hold register
(MW).
27 Hold Register Offset, Upper Word
28 Data Relay Offset, Lower Word
Sets the offset word address for a data relay (GB).
29 Data Relay Offset, Upper Word
30 Data Register Offset, Lower Word
Sets the offset word address for a data register
(GW).
31 Data Register Offset, Upper Word
32 Output Coil Offset, Lower Word
Sets the offset word address for an output coil
(OB).
33 Output Coil Offset, Upper Word
34 Output Register Offset, Lower Word
Sets the offset address for an output register (OW).
35 Output Register Offset, Upper Word
36 M register Writing Range LO, Lower Word
Sets the first address of the writing range for hold
register coils.
37 M register Writing Range LO, Upper Word
38 M register Writing Range HI, Lower Word
Sets the last address of the writing range for hold
register coils.
39 M register Writing Range HI, Upper Word
40 G register Writing Range LO, Lower Word
Sets the first address of the writing range for data
register data relays.
41 G register Writing Range LO, Upper Word
42 G register Writing Range HI, Lower Word
Sets the last address of the writing range for data
register data relays.
43 G register Writing Range HI, Upper Word
44 O register Writing Range LO, Lower Word
Sets the first address of the writing range for out-
put registers.
45 O register Writing Range LO, Upper Word
46 O register Writing Range HI, Lower Word
Sets the last address of the writing range for output
registers.
47 O register Writing Range HI, Upper Word
System
48
−
For system use
−
49 Reserved for system.
−
50 Reserved for system.
−
51 Reserved for system.
−
Continued from previous page.
No. I/O Meaning Description
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