Class 1 status word, Class 1 status word -18 – Rockwell Automation 1746-NI16V SLC 500 Analog Input Modules User Manual User Manual
Page 66
Publication 1746-UM001A-US-P
5-18 Channel Configuration, Data, and Status
Class 1 Status Word
Define
To Select
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Class 1
Data or Status
Configuration
Data from Channel 0 to 7
0
0
Data from Channel 8 to 15
0
1
Status for Channel 0 to 7
1
0
Status for Channel 8 to 15
1
1
Input Type
±10 Vdc or ± 20 mA
0
0
1 to 5 Vdc or 4 to 20 mA
0
1
0 to 5 Vdc or 0 to 1 mA
1
0
0 to 10 Vdc or 0 to 20 mA
1
1
Data Format
Engineering Units
0
0
Scaled-for-PID
0
1
Proportional Counts
1
0
1746-NI4 Data Format
1
1
Class 1 Handshaking
Ready to receive channel configuration
0
Processed channel configuration
1
Calibrate
Channel Status
Normal RUN Mode (Exit Calibration Mode)
0
0
0
Calibration Mode Entered
0
0
1
Zero Value Calibrated
0
1
1
Full Scale Calibrated
1
0
1
Filter Frequency
Filter frequencies are set
in ch 0, 4, 8 and 12 for that
channel and the following
3 channels in that group.
Filter groupings are:
(0 to 3) (4 to 7) (8 to 11)
and (12 to 15)
6 Hz
0
0
0
10 Hz
0
0
1
20 Hz
0
1
0
40 Hz
0
1
1
60 Hz
1
0
0
80 Hz
1
0
1
100 Hz
1
1
0
250 Hz
1
1
1
Error Conditions
Channel Disabled
0
0
0
Faulty Calibration
0
0
1
Invalid Calibration Reference
0
1
0
Configuration Error
0
1
1
Open-Circuit Detected
1
0
0
Under-Range Detected
1
0
1
Over-Range Detected
1
1
0
No Error
1
1
1
NOTE
Bits 1 and 0 indicate origin in Class 1 mode. Bits 15
through 2 contain real data for each channel.
If the module is in Class 3 mode, all 16 bits are real
data (depending on the data type).