Mailbox Interface 4-24
Analog Data
Get Analog Input from Slave (MB_GET_ANA_INPUT)
Description
This function sets the analog values of all four channels of a type 7.3 or 7.4 type slave.
Command and response layout:
Parameter
Description
Command initiator
Application
Command Name
MB_GET_ANA_INPUT
Message type
02h
Command number
0018h
Fragmented
No
Extended Header data
-
Command data
Slave Address
Response data
The response indicates if the command was accepted. The response data
contains the value of the analog channels for the specified slave.
Command
Expected response
Message ID
(ID)
(ID)
Message information
4002h
0002h
Command
0018h
0018h
MB_GET_ANA_INPUT
Data size
0001h
0009h
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
Slave Address
Slave Address
Message data byte 2
Channel 1 (msb)
Message data byte 3
Channel 1 (lsb)
Message data byte 4
Channel 2 (msb)
Message data byte 5
Channel 2 (lsb)
Message data byte 6
Channel 3 (msb)
Message data byte 7
Channel 3 (lsb)
Message data byte 8
Channel 4 (msb)
Message data byte 9
Channel 4 (lsb)