Filter
Top Products
5-32 Field Control™ Genius® Bus Interface Unit User’s Manual
–
October 1999 GFK-0825F
5
Input Scaling
Based on the actual analog input signal level for a channel, the analog input module reports a value
from decimal 0 to 4095 to the Bus Interface Unit. The Bus Interface Unit can convert this digital
input to a value that is more meaningful to the application by using the "scaling values" configured
on this screen.
For each channel, two sets of values are configured: high and low "scaled" values and the actual
high and low digital values they represent. Based on these two pairs of values, the Bus Interface
Unit will be able to scale values for all other input levels.
See Appendix A for information on finding appropriate scaling values for your application. If you
don't have scaling values ready, you can continue to the next screen now, and configure scaling at
another time. The Bus Interface Unit will use default scaling values of 1:1 if no scaling values are
entered.
S1 Scale 1 Ch 01
< > entr
00000 Eng lo
Number of the
channel you are
now configuring
Indicates which of
the 4 scaling values
you are currently
configuring
Scaling or digital value
1. For EACH channel in turn, enter scaling values in this order:
Low scaling value ("eng lo")
High scaling value ("eng hi")
Low digital value ("int lo")
High digital value ("int hi")
2. If you press F2 ( > ), the display goes from value to value in sequence. If you press F1 ( < ),
the display goes to the first value for the previous channel
3. Use the HHM keypad to enter values. To enter a negative value, first enter the numbers, then
press the - key.
4. Use the F4 (entr) key to save the selections on this screen.
5. Press F2 to go to the next screen.