Rockwell Automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module User Manual - Manual (Page 51)

2–31 How Communication Takes Place and I/O Image Table Mapping
Publication 1794ĆUM057B-EN-P - November 2001
Thermocouple/RTD Input Module (1794ĆIRT8) Image Table
Mapping
ModuleImage
I/O Image
Input Data Channel 0
Input Data Channel 1
Input Data Channel 2
Input Data Channel 3
Input Data Channel 4
Input Data Channel 5
Input Data Channel 6
Input Data Channel 7
Underrange
Input Size
Output Size
0 to 4 Words
1 to 11 Words
Overrange
Diagnostics CJC Channel Faults
EDT command and response RFlg
EDT command and data CFlg
RTD Offsets for each channel
Sensor Type Sensor Type ModeMode TC/RTD TC/RTD
Filter Cut Reference Jct Data Format FM
Thermocouple/RTD/mV Input Module (1794-IRT8) Read Words
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Size
17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Read/Write Words
Channel 0 Input Data Read 1
Channel 1 Input Data Read 2
Channel 2 Input Data Read 3
Channel 3 Input Data Read 4
Channel 4 Input Data Read 5
Channel 5 Input Data Read 6
Channel 6 Input Data Read 7
Channel 7 Input Data Read 8
Overrange Alarm Bits (channel 0 = bit 08, etc) Underrange Alarm Bits (channel 0 = bit 00, etc) Read 9
Ch7
Fault
Ch6
Fault
Ch5
Fault
Ch4
Fault
Ch3
Fault
Ch2
Fault
Ch1
Fault
Ch0
Fault
CJC 2
Fault
CJC 1
Fault
Diagnostic Status Read 10
EDT command response EDT response data Read 11
Not used Data Format
Flt
Mode
Ch
0Ć3
Flt
Mode
Ch
4Ć7
Reference Jct. Filter Cutoff Write 1
TC/RTD
Ch. 4Ć7
Sensor Mode
Ch. 4Ć7
Sensor Mode Ch. 4Ć7
TC/RTD Ch.
0Ć3
Sensor
Mode
Ch. 0Ć3
Sensor Mode Ch.
0Ć3
Write 2