scaling
It depends.
As Ron points out, the analog cards for the SLC platform have the ability to select different data ranges for the same input range. You can have raw data, engineering units (4000 = 4 mA) or scale for PID. Not all cards accept all ranges, though, and so you need the manual and look up the table for the specific card and make sure your configuration is set to give you the data range expected. When configuring a card I'm not used to I have found it makes a great deal of sense to put a simulator on the input cards and a meter on the output cards and verify data at 0%, 50%, and 100% of transmitter range.