Publication 1794-6.5.12 - September 2011
42 Calibrate Your Module
Read and Write Words for Calibration
The following tables provide read and write words for module calibration.
730 312932
24V DC Power 34 and 50
24V DC
Common
35 and 51
(1)
Terminals 16, 33 and 40…45 are chassis ground.
Wiring to the 1794-TB3G and 1794-TB3GS Terminal Base Units
RTD or
Thermocouple
Channel
1794-TB3G and 1794-TB3GS Terminal Base Units
(1)
High Signal
Terminal (H)
Low Signal
Terminal (L)
RTD Source
Current (+)
Signal Return
(-)
Write Words for Calibration
Decimal 151413121110090807 06 05 04 03 02 01 00
Octal 171615141312111007 06 05 04 03 02 01 00
Word
⇓ Write
0 Reserved Data Format Flt
Mode
Ch
0…3
Flt
Mode
Ch
4…7
Reference Junction Filter Select
1TC/RTD
Ch. 4…7
Sensor
Mode
Ch 4…7
Sensor Type Ch 4…7 TC/RTD Ch.
0…3
Sensor Mode
Ch 0…3
Sensor Type Ch 0…3
2 RTD Offset
Ch 7
RTD Offset
Ch 6
RTD Offset
Ch 5
RTD Offset
Ch 4
RTD Offset
Ch 3
RTD Offset
Ch 2
RTD Offset
Ch 1
RTD Offset
Ch 0
3 EDT command EDT command data
Where: Flt = Fault
TC/RTD = Thermocouple/Resistance Temperature Detector
EDT = Extended Data Transfer
Read Words for Calibration
Decimal15141312111009080706050403020100
Octal 17161514131211100706050403020100
Word⇓ Read
0 Channel 0 Input Data
1 Channel 1 Input Data
2 Channel 2 Input Data
3 Channel 3 Input Data
4 Channel 4 Input Data
