Chapter 5: Programming Examples
4-9
User’s Manual Pub. 0300266-04 Rev. A
Table 4-3. Input channel status word (I:e.4 through I:e.7)
These bit settings in the status word
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Indicate this
0 Input channel disabled
1 Input channel enabled
0 0 0
±10 Vdc input range
0 0 1
1–5 Vdc input range
0 1 0
0–5 Vdc input range
0 1 1
0–10 Vdc input range
1 0 0
0–20 mA input range
1 0 1
4–20 mA input range
0 0 0
Engineering units
0 0 1
Scaled for PID
0 1 0
Proportional counts
0 1 1
1746-NI4 format
1 0 0
User-defined scale A
1 0 1
User-defined scale B
0 0
Zero on open input circuit
0 1
Max. on open input circuit
1 0
Min. on open input circuit
0 0
60 Hz input filter
0 1
60 Hz input filter
1 0
150 Hz input filter
1 1
500 Hz input filter
0
Auto-calibration disabled
1
Auto-calibration enabled
0
No error
1
Over-range error
0
No error
1
Under-range error
0
No error
1
Non-fatal channel error
0
No error
1
Fatal channel error
The first 12 status bits reflect the settings in the channel configuration word. The
remaining status bits flag the various errors that the module can detect.
Содержание 1746sc-INI4i
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