Rockwell Automation 1746-BTM Barrel Temperature Control Module User Manual - Manual (Page 55)

Publication 1746-UM010B-EN-P - April 2001
Control and Autotune a Loop 5-9
Global Commands to All Loops
Remember that the module returns the control variable (CV) of each
loop to the input image table as both a numeric value (current CV)
and a time–proportioned output (TPO). For additional information,
Refer to BTM201.rss M1, M0, Input Image, Output Image, and Rotator
Code Data Table on page 9-4 and BTM50220.RSS M1, M0, Input
Image, Output Image, and Rotator Code Data Table on page 9-8.
Word Bit To Control Selected By 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
12 0 Temperature units F =0;C =1
1 Autotune invoke invoke =1;None = 0
2 Autotune abort Abort = 1;None =0
3 Reset error codes None =0; Reset =1
3-7 Reserved
8-10
Selection of Reported value
if bit 11 is not set in the
output image buffer
N10:192/11
Current Setpoint 0 0 1
Current Error Value 0 1 0
Current CV (loop output) 0 1 1
Current Error Code 1 0 0
Cold Junction Temperature 1 0 1
Firmware Revision Number 1 1 0
Selection of Reported value
if bit 11 is set in the output
image buffer
N10:192/11
P Contribution 0 0 1
I Contribution 0 1 0
D Contribution 0 1 1
Pre-set Point 1 0 0
Wait Period 1 0 1
Reserved 1 1 0
11 Advanced Rotator Values Disable = 0;Enable =1
12 MO download request None =0; Download =1
13 M1 download request None =0; Download =1
14 M0 upload request None =0; Upload =1
15 M1 upload request None =0; Upload =1
13 0-15 Reserved
14 0-15 Calibration word
15 0-15 Reserved
IMPORTANT
The sample program returns all six variables. For
their data table locations, Refer to BTM201.rss Data
Table Layout on page 9-2 and BTM50220.RSS Data
table layout on page 9-7.