Rockwell Automation 1794-IRT8XT FLEX I/O Thermocouple/RTD /Millivolt Input Module User Manual User Manual
Page 44
Publication 1794-6.5.12 - September 2011
32
Read and Write Configuration Maps for the FLEX I/O Module
Bit/Word Descriptions for the Input Module Block Transfer Read Words
Word 6
Channel 6 Input Data
Word 7
Channel 7 Input Data
Word 8
Overrange Alarm Bits (channel 0 = bit 8, and so on.)
Underrange Alarm Bits (channel 0 = bit 0, and so on.)
Word 9
Ch 7
Flt
Ch 6
Flt
Ch 5
Flt
Ch 4
Flt
Ch 3
Flt
Ch 2
Flt
Ch 1
Flt
Ch 0
Flt
Res
CJC2
Alm
CJC1
Alm
SAB CJC
Status
Reserved
Word 10
Resp
Flag
Command Response
Response Data
Where:
Ch Flt = Channel Fault
CJC = Cold Junction Compensation
SAB = Series of unit; 0 = Series A, 1 = Series B
Alm = Alarm
Output Map (Block Transfer Write)
Dec.
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Oct.
17
16
15
14
13
12
11
10
07
06
05
04
03
02
01
00
Word 0
Reserved
Data Format
Flt
Mode
Ch
4…7
Flt
Mode
Ch
0…3
Reference Jct.
Filter Cutoff
Word 1
TC/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
Word 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
Word 3
Cmd
Flag
EDT Command
EDT Command Data
Where:
Flt = Fault
Ch = Channel
TC/RTD = Thermocouple/Resistance Temperature Detector
EDT = Extended Data Transfer
Input Map (Block Transfer Read)
Dec.
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Oct.
17
16
15
14
13
12
11
10
07
06
05
04
03
02
01
00
Word
Dec. Bits
(Octal Bits)
Description
Read Word 0
00…15
(00…17)
Channel 0 Input data
Read Word 1
00…15
(00…17)
Channel 1 Input data
Read Word 2
00…15
(00…17)
Channel 2 Input data