Rockwell Automation 1797-IRT8 FLEX Ex Thermocouple/RTD Module - Manual (Page 13)

FLEX Ex Thermocouple/RTD Input Module 13
Publication 1797-5.4 - June 2010
Indicators
A = Status Indicators - 
Flashing red - channel fault - Channel 0 indicator will
turn red while power-up check is running.
(Channel 0 solid red - module did not pass power-up test.)
B = Insertable labels for writing individual I/O designations
C = Power Indicator - green - indicates power applied to module
Input Map
Bit  15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
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
5 Channel 5 Input Data
6 Channel 6 Input Data
7 Channel 7 Input Data
8 Overrange Alarm Bits (channel 0 = bit 08, ch 1 = bit 09,
and so on) Underrange Alarm Bits (ch 0 = bit 00, ch 1 = bit01,
and so on)
9 Flt
Alm
ch
7 Flt
Alm
ch
6 Flt
Alm
ch
5 Flt
Alm
ch
4 Flt
Alm
ch
3 Flt
Alm
ch
2 Flt
Alm
ch
1 Flt
Alm
ch
0 CJC
2
Alm CJC
1
Alm Diagnostic Status
10 Module command response Module response data
Ex
1797-IRT8
PWR
A B C