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• Ox = Over-range flag bits for channels 0 and 1. These bits can be
used in the control program for error detection.
• Ux = Under-range flag bits for channels 0 and 1. These bits can be
used in the control program for error detection.
1762-IF2OF2 Output Data File
For each module, slot x, words 0 and 1 contain the channel output data.
Raw/Proportional Format
Bit Position
15
14
0
0
Channel 0 Data 0 to 32,768
1
0
Channel 1 Data 0 to 32,768
Scaled-for-PID Format
Bit Position
15
14
0
0
0
1
0
0
1762-IF4 Input Data File
For each module, slot x, words 0 and 1 contain the analog values of the
inputs. The module can be configured to use either raw/proportional data
or scaled-for-PID data. The input data file for either configuration is
shown below.
1762-IF4 Input Data File
Bit Position
15
14
0
SGN0
Channel 0 Data
1
SGN1
Channel 1 Data
2
SGN2
Channel 2 Data
3
SGN3
Channel 3 Data
4
reserved
5
U0
O0 U1 O1 U2 O2 U3 O3 reserved
6
reserved
The bits are defined as follows:
• Sx = General status bits for channels 0 through 3. This bit is set when an error
(over- or under-range) exists for that channel, or there is a general module
hardware error.
13
12
11
10
9
8
13
12
11
10
9
8
Channel 0 Data 0 to 16,383
Channel 1 Data 0 to 16,383
13
12
11
10
9
8
I/O Configuration
7
6
5
4
3
2
0
0
7
6
5
4
3
2
7
6
5
4
3
2
S3
S2
Publication 1763-RM001C-EN-P - October 2009
19
1
0
0
0
0
0
1
0
0
0
0
0
1
0
S1
S0
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