Rockwell-automation 1746-NI8 SLC 500 Analog Input Modules User Manual Manual de usuario Pagina 53

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5–12
Channel Configuration, Data, and Status
Publication
17466.8 - April 1997
Channel 0-7 Status Word (I:e.8 through I:e.15) - Bit Definitions
Bit(s)
Define
These bit settings
Indicate this
Bit(s) Define
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Indicate this
0 0 0 10 V dc
0 0 1 1-5V dc
0 1 0 0-5V dc
02
Input Type
0 1 1 0-10V dc
0-2 Input Type
1 0 0 0-20 mA
1 0 1 4-20 mA
1 1 0 20 mA
1 1 1 0-1 mA
0 0 0 Engineering Units
0 0 1 ScaledforPID
0 1 0 Proportional Counts
3
-
5
Data Format
0 1 1 1746NI4 Data Format
3-5 Data Format
1 0 0 User Defined (Class 3)
1 0 1 User Defined (Class 3)
Illegal (configuration error)
Illegal (configuration error)
0 0 Zero
6 and 7
Open Circuit
0 1 Upscale
6 and 7 Open Circuit
1 0 Downscale
Illegal (configuration error)
0 0 0 No Filter
0 0 1 75 Hz
0 1 0 50 Hz
810
Filter
0 1 1 20 Hz
8-10
Filter
Frequency
1 0 0 10 Hz
qy
1 0 1 5 Hz
1 1 0 2 Hz
1 1 1 1 Hz
11
Channel
0 Channel Disabled
11
Channel
Status
1 Channel Enabled
12
Open Circuit
0 No Error
12
Open
Circuit
Error
1 Open Circuit Detected
13
OverRange
0 No error
13
Over Range
Error
1 OverRange Condition
14
UnderRange
0 No Error
14
Under Range
Error
1 UnderRange Condition
15
Configuration
0 No Error
15
Configuration
Error
1 Configuration Error
Important: If the channel for which you are seeking status is
disabled (bit O:e.x/11 = 0), all bit fields are cleared.
The status word for any disabled channel is always
0000 0000 0000 0000 regardless of any previous setting
that may have been made to the configuration word.
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