Mailbox Interface 4-26
Network Status
Get Status Lists from Network (MB_GET_LISTS)
Description
This function returns the status of all slaves on the network. Note that this information can also be re-
treived by reading directly out of the fieldbus specific area, see 5-1 “Fieldbus Specific Area”.
Command and response layout:
Parameter
Description
Command initiator
Application
Command Name
MB_GET_LISTS
Message type
02h
Command number
0024h
Fragmented
No
Extended Header data
-
Command data
-
Response data
The response indicates if the command was accepted. The response data
contains LPS, LDS, LAS, DELTA and LPF data lists and the AS-Interface
Flag bytes. Each lists consists of 64 bits, where each bit represents the sta-
tus of a slave
Command
Expected response
Message ID
(ID)
(ID)
Message information
4002h
0002h
Command
0024h
0024h
MB_GET_LISTS
Data size
0000h
0020h
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 bytes 1-8
LPS data list
64 bits of data
Message data bytes 9-16
LDS data list
64 bits of data
Message data bytes 17-24
LAS data list
64 bits of data
Message data bytes 25-32
Delta data list
64 bits of data
Message data bytes 33-40
LPF data list
64 bits of data
Message data byte 41
AS-Interface flag byte 1
(See 5-1 “Fieldbus Specific Area”)
Message data byte 42
AS-Interface flag byte 2
