Rockwell-automation 1746-NI16V SLC 500 Analog Input Modules User Manua Instrukcja Użytkownika Pobierz pdf (Strona 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

Data from Channel 8 to 15

Status for Channel 0 to 7

Status for Channel 8 to 15

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

Scaled-for-PID

Proportional Counts

1746-NI4 Data Format

Class 1 Handshaking

Ready to receive channel configuration

Processed channel configuration

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).

1 2 ... 61 62 63 64 65 66 67 68 69 70 71 ... 119 120

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