Spectrum-controls 1769sc-IR6I Manual de usuario Pagina 34

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4-2 Compact™ IO Isolated RTD/Resistance Module
User’s Manual Pub. 0300241-01 Rev. A
Section 4.2
Configuring
Channels
After module installation, you must configure operation details, such as RTD type,
temperature units, etc., for each channel. Channel configuration data for the module is
stored in the controller configuration file, which is both readable and writable.
The configuration data file is shown below. Bit definitions are provided in Channel
Configuration, below. Detailed definitions of each of the configuration parameters
follow the table.
4.2.1 Configuration Data File
The default value of the configuration data is represented by zeros in the data file. The
structure of the channel configuration file is shown below.
Table 4-1 (Configuration Data File)
Word/
Bit
15 14
13
12
11
10
9
8
7 6 5 4 3 2 1 0
0
Disable
Channel 0
Data Format
Channel 0
Input Type
Channel 0
Temp Units
Channel 0
Open Circuit
Response
Channel 0
Cyclic
Lead
Compensation
Ch0
Not Used
ADC Filter Frequency
Channel 0
1
Disable
Channel 1
Data Format
Channel 1
Input Type
Channel 1
Temp Units
Channel 1
Open Circuit
Response
Channel 1
Cyclic
Lead
Compensation
Ch1
Not Used
ADC Filter Frequency
Channel 1
2
Disable
Channel 2
Data Format
Channel 2
Input Type
Channel 2
Temp Units
Channel 2
Open Circuit
Response
Channel 2
Cyclic
Lead
Compensation
Ch2
Not Used
ADC Filter Frequency
Channel 2
3
Disable
Channel 3
Data Format
Channel 3
Input Type
Channel 3
Temp Units
Channel 3
Open Circuit
Response
Channel 3
Cyclic
Lead
Compensation
Ch3
Not Used
ADC Filter Frequency
Channel 3
4
Disable
Channel 4
Data Format
Channel 4
Input Type
Channel 4
Temp Units
Channel 4
Open Circuit
Response
Channel 4
Cyclic
Lead
Compensation
Ch4
Not Used
ADC Filter Frequency
Channel 4
5
Disable
Channel 5
Data Format
Channel 5
Input Type
Channel 5
Temp Units
Channel 5
Open Circuit
Response
Channel 5
Cyclic
Lead
Compensation
Ch5
Not Used
ADC Filter Frequency
Channel 5
6 Not Used
7 Not Used
8 Not Used
9 Not Used
10 Not Used
11 Not Used
12 Not Used
13 Not Used
14 Not Used
15 Not Used
The configuration file can also be modified through the control program, if supported by
the controller. For information on configuring the module using RSLogix 500 (with
MicroLogix 1500 controller), see Appendix B; for RSLogix 5000 (CompactLogix
controller), see Appendix C; for RSNetworx (1769-ADN), see Appendix D. The
structure and bit settings are shown in the section below.
4.2.2 Channel Configuration
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