AI835A Counts Error in Freelance
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With the set up You described You should have all reading wrong. As it was mentioned above and in memory maps for both CI840 and CI801 the S800 modules use -100%...100% of measured range to -32000...32000 INT value conversion for analog values such as temperatures from AI835 modules. So Your scaling should be -6297...32000 > -270...1372 degC. Check the configuration of all modules and scaling programs once again.
Hope this helps,
Which communication module are you using? Anyhow strange that you get different results for the modules.
Here is some information from
Memory Maps for CI840
Software Version 4.0
Analog process values for template signals in memory maps are coded according to
table below. The value has no over or under range
Table 21. Nominal Range
Signal Value in 16-bit integer (1)
E.g. -200 to 850°C gives -7529 to 32000
-328 to 1562°F gives -6720 to 32000