Spectrum Controls 1746sc-INI4vi - Manual (Page 33)

Chapter 4: Using Your Input Module 29
Table 13. Input channel configuration word (O:e.0 through O:e.3)
Use these bit settings in the channel configuration word
To select… 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Input channel disable 0
Input channel enable 1
±
10 Vdc input range (-INI4vi only) 0 0 0
1–5 Vdc input range (-INI4vi only) 0 0 1
0–5 Vdc input range (-INI4vi only) 0 1 0
0–10 Vdc input range (-INI4vi only) 0 1 1
0–20 mA input range 1 0 0
4–20 mA input range 1 0 1
Invalid 1 1 0
Invalid 1 1 1
Engineering units 0 0 0
Scaled for PID 0 0 1
Proportional counts 0 1 0
1746-NI4 compatible format 0 1 1
User-defined scale A 1 0 0
User-defined scale B 1 0 1
Invalid 1 1 0
Invalid 1 1 1
Zero on open input circuit
➀
0 0
Max. on open input circuit
➀
0 1
Min. on open input circuit
➀
1 0
Invalid 1 1
60 Hz input filter 0 0
50 Hz input filter 0 1
150 Hz input filter 1 0
500 Hz input filter 1 1
Auto-calibration disabled 0
Auto-calibration enabled 1
Unused 0 0 0 0
Invalid 1 1 1 1
➀
Applies only to the 1–5 Vdc and 4–20 mA input ranges.