User Manual Manual

Publication 1794-6.5.12 - September 2011
38 Read and Write Configuration Maps for the FLEX I/O Module
Using Series A
Functionality in a
Series B Module
To employ Series A functionality when using a Series B 1794-IRT8 module,
connect a wire from terminal 39 to terminal 48 on the 1794-TB3G or
1794-TB3GS terminal base unit. When terminals 39 and 48 are wired together,
bit 4 in read word 9 will not be set (0), indicating the module is in Series A
functionality.
Chapter Summary
This chapter provided the user with data and instructions to configure and
map data for the FLEX I/O Thermocouple, RTD, and Millivolt Input
module.
Write Word 3 00…07 Extended data table 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
Bit/Word Descriptions for Block Transfer Write Words
Word Dec. Bits
(Octal Bits)
Description
ATTENTION
If these terminals are not connected together, the Series B
product will default to Series B functionality.