Rockwell Automation 2755-SNx Adaptascan Bar Code Readers - Manual (Page 193)

10–31 Communicating with an SLC 5/03 Processor on a DeviceNet Network using Explicit Messaging
Publication 2755-6.8
Explicit Messaging Ladder Logic Program
Note: The following ladder logic program is for reference only.
Application specific interlocks may be necessary.
Copy File
Destination
Source
Length
#M0:1.224
#N20:0
32
COP B3
0
] [
Enable Rung B3 to initiate the writing of an APM command to the AdaptaScan.
The APM command that resides in N20:0. The DeviceNet address being written
to, in this example is, 10 or 0AH.
Destination
Source
Length
#N25:0
#M1:1.224
32
COP I:1
15
] [
If bit 15 is enabled, read the response data from the above command into file
N25:0.
Example Data Tables
Refer to p. 10–27 for information regarding each byte.
Address Data = Hex Code (matchcode download of 0300 data)
N20:0 0101 000C 100A 00CE 0001 0003 0004 3330 3030
Address
Response File (good
response)
N25:0 0101 900C
Address Data = Hex Code (turn on LED1)
N20:0 0101 0008 100A 00C9 0002 0003 0001
Note: You need to send a reset command for every explicit
command that is executed in order to receive a good response.