Mailbox Interface 4-2
Bus Control
Set off-line / on-line mode (MB_SET_ON_LINE)
Description
This function configures the physical connection to the network, i.e on line / off line mode.
• On line
The module is connected to the network and data exchange is possible. All network status lists
are updated periodically.
• Off line
The module is disconnected from the network. No data exchange is possible, and no status lists
are updated except the configured slaves list (LPS).
Command and response layout:
Parameter
Description
Com-mand initiator
Application
Command Name
MB_SET_ON_LINE
Message type
02h
Command number
0001h
Fragmented
No
Extended Header data
-
Command data
On / Off line value. (00h=On line, 01h = Off line)
Response data
The response indicates if the command was accepted. The response data is
a copy of the command data.
Command
Expected response
Message ID
(ID)
(ID)
Message information
4002h
0002h
Command
0001h
0001h
MB_SET_ON_LINE
Data size
0001h
0001h
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
On/Off line value
On/Off line value
00h=On line, 01h=Off line