User Manual

4–13Using Enhanced Mode
Publication 1203–5.9 –– October 1996
The M1 file image contains the contents of the multi–position DIP
switch, an echo of the contents of the G file data, and three receive
message buffers as shown in Figure 4.10.
Figure 4.10
M1 File Structure
Reserved
Datalink Enables
Logic Command Channel 1
Analog Reference Channel 1
Logic Command Channel 2
M1:e.000
M1:e.001
M1:e.002
M1:e.003
M1:e.004
Service (echo or error)
Class (echo)
Instance (echo)
Attribute (echo)
Response Length = n
Resp Data 2
Resp Data n
Resp Data 1
...
M1:e.100
M1:e.101
M1:e.102
M1:e.103
M1:e.104
M1:e.105
M1:e.1xx
Analog Reference Channel 2
Logic Command Channel 3
Analog Reference Channel 3
Channel 1 Datalink A1 In
Channel 1 Datalink A2 In
M1:e.005
M1:e.006
M1:e.007
M1:e.008
M1:e.009
Service (echo or error)
Class (echo)
Instance (echo)
Attribute (echo)
Response Length = n
Resp Data 2
Resp Data n
Resp Data 1
...
M1:e.200
M1:e.201
M1:e.202
M1:e.203
M1:e.204
M1:e.205
M1:e.2xx
Channel 1 Datalink B1 In
Channel 1 Datalink B2 In
Channel 1 Datalink C1 In
Channel 1 Datalink C2 In
Channel 1 Datalink D1 In
M1:e.010
M1:e.011
M1:e.012
M1:e.013
M1:e.014
Service (echo or error)
Class (echo)
Instance (echo)
Attribute (echo)
Response Length = n
Resp Data 2
Resp Data n
Resp Data 1
...
M1:e.300
M1:e.301
M1:e.302
M1:e.303
M1:e.304
M1:e.305
M1:e.3xx
Channel 1 Datalink D2 In
Channel 2 Datalink A1 In
Channel 2 Datalink A2 In
Channel 2 Datalink B1 In
Channel 2 Datalink B2 In
M1:e.015
M1:e.016
M1:e.017
M1:e.018
M1:e.019
Echo of G File Contents
and DIP Switch Read Out
e = slot location
Channel 1
Receive Buffer
Channel 2
Receive Buffer
Channel 3
Receive Buffer
DIP SW
Channel 2 Datalink C1 In
Channel 2 Datalink C2 In
M1:e.020
M1:e.021
Channel 2 Datalink D1 In
Channel 2 Datalink D2 In
Channel 3 Datalink A1 In
Channel 3 Datalink A2 In
Channel 3 Datalink B1 In
M1:e.022
M1:e.023
M1:e.024
M1:e.025
M1:e.026
Channel 3 Datalink B2 In
Channel 3 Datalink C1 In
Channel 3 Datalink C2 In
Channel 3 Datalink D1 In
Channel 3 Datalink D2 In
M1:e.027
M1:e.028
M1:e.029
M1:e.030
M1:e.031
SCANport messages access data structures within the SCANport
device. These data structures are called objects. An object contains
information for a particular purpose. For example, a parameter
object can contain information such as parameter values, parameter
names, scaling information, and units.