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2.7 Communications with a Mitsubishi PLC (QnA-compatible 3E Frame Protocol)
Message Functions
2-176
Parameters
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 out-
put 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