Allen-Bradley 1794-IRT8 - Thermocouple;Rtd Input Module (1794-IRT8) Read Words; Thermocouple;Rtd Input Module (1794-IRT8) Write Words

Publication 1794-6.5.12 - November 1997
5-4 How Communication Takes Place and I/O Image Table Mapping with the DeviceNet Adapter
Thermocouple/RTD Input Module (1794-IRT8) Read Words
Thermocouple/RTD Input Module (1794-IRT8) Write Words
Decimal 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Octal 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00
Word ⇓ Read
1 Channel 0 Input Data
2 Channel 1 Input Data
3 Channel 2 Input Data
4 Channel 3 Input Data
5 Channel 4 Input Data
6 Channel 5 Input Data
7 Channel 6 Input Data
8 Channel 7 Input Data
9 Overrange Alarm Bits (channel 0 = bit 08, etc) Underrange Alarm Bits (channel 0 = bit 00, etc)
10
Flt Alm
Ch7
Flt Alm
Ch6
Flt Alm
Ch5
Flt Alm
Ch4
Flt Alm
Ch3
Flt Alm
Ch2
Flt Alm
Ch1
Flt Alm
Ch0
CJC 2
Alm
CJC 1
Alm
Diagnostic Status
11 EDT command response EDT response data
Decimal
Octal
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00
Word ⇓ Write
1
Data Format
Flt Mode
Ch 0-3
Flt Mode
Ch 4-7
Reference Jct. Filter Cutoff
2
TC/RTD
Ch. 4-7
Sensor Mode
Ch. 4-7
Sensor Mode Ch. 4-7 TC/RTD Ch. 0-3
Sensor
Mode
Ch. 0-3
Sensor Mode Ch. 0-3
3 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
4
EDT command EDT command data
Allen-Bradley PLCs