Fieldbus Specific Mailbox Commands
3-5
Command and response layout:
Command
Expected response
Message ID
(ID)
(ID)
Message information
4002h
0002h
Command
0004h
0004h
Data size
0017h
0017h
Frame count
0001h
0001h
Frame number
0001h
0001h
Offset high
0000h
0000h
Offset low
0000h
0000h
Extended word 1
-
-
Extended word 2
-
-
Extended word 3
-
-
Extended word 4
-
-
Extended word 5
-
-
Extended word 6
-
-
Extended word 7
-
-
Extended word 8
-
Fault information
Message data byte 1
Start index
Start index
High byte
Message data byte 2
Start index
Start index
Low byte
Message data byte 3
Index type
Index type
Message data byte 4
Password
Password
Message data byte 5
Access groups
Access groups
Message data byte 6
Buffer type
Buffer type
Message data byte 7
Access rights
Access rights
High byte
Message data byte 8
Access rights
Access rights
Low byte
Message data byte 9
Offset
Offset
High byte
Message data byte 10
Offset
Offset
Low byte
Message data byte 11
Object name length
Object name length
Message data byte 12-22
Object name string
Object name string
Message data byte 23
Number of elements
Number of elements