Publication 1794-6.5.12 - November 1997
Writing Configuration to and Reading Status from Your Module with a Remote I/O Adapter 4-9
Chapter Summary In this chapter, you learned how to configure your module’s features and
enter your data.
word 1 cont. Bits 14-15
(16-17)
Input Type Select
Bit 15 14 Input type selection for channels 4-7
0 0 Thermocouple
01RTD
1 0 Not used
11
Write Word 2 00-15 (00-17) RTD loop resistance offset select bits – used when input type is set to RTD and
sensor mode select is set to 2-wire with loop resistance compensation. Allows you to
set the type of RTD loop resistance compensation used for all RTDs or one of three fixed
values for all channels. NOTE: Not applicable to 10Ω copper RTD, which defaults to 0Ω.
Bit0100RTD channel 0
Bit0302RTD channel 1
Bit0504RTD channel 2
Bit0706RTD channel 3
Bit0908RTD channel 4
Bit1110RTD channel 5
Bit1312RTD channel 6
Bit1514RTD channel 7
0 0 Use channel loop compensation value stored during calibration
procedure for 2-wire RTD (default = 0Ω)
015Ω
1010Ω
1115Ω
Write Word 3 00-07 Extended data table command data bits – These bits are written to the module
during calibration. They are used to define offset, gain and general channel calibration.
08-14 (10-16) Extended data table command bits – These bits are written to the module during
calibration. They are used to select channel calibration action.
15 (17) Reserved for factory use only
Word
Dec. Bits
(Octal Bits)
Description