Rockwell Automation 1746-BTM Barrel Temperature Control Module User Manual - Manual (Page 75)

Publication 1746-UM010B-EN-P - April 2001
Sample Program 9-7
Support for 5/02 Processors
Using BTM50220.RSS Using the code in file BTM50220.RSS you will be able to have
multiple BTMs in a SLC system, but you will have to duplicate the
ladder logic and create new data table locations for each BTM.
BTM50220.RSS Data table layout
The data table layout for this version of code has change considerably
from the current BTM application code. The M-file and the rotator
information have been moved into a different data table. In the
previous version the information was located in N7.
Download and Upload Settings
The information for the M1, M0, and the rotator code is put into one
data table the layout of the file is as follows:
Table 9.D BTM50220.RSS N7 Data Table
Location Description
N7
(1)
:0
(1) In this version of code you command M1/M0 file transfers thru N7:0.
User request pending
N7:1 User request being serviced
N7:2 Request mask
N7:3 Bit 0, request complete cleanup needed
N7:4 Indirect address for pointer in rotator
N7:5 Rotator bits
N7:6 Bit 0, all requests and acknowledges cleared
N7:7 thru N7:18 reserved. Do not use
N7:19 Misc control Bits
N7:20 Rotator Level 1 or 2 check
Table 9.E Download and Upload Settings
Bit
N7:0/0 set will download the M1 configuration
N7:0/1 set will download the M0 auto tune information
N7:0/2 set will download the M0 PID information
N7:0/3 set will upload the M0 auto tune information
N7:0/4 set will upload the M0 PID information