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
Содержание 1794-IRT8
Страница 1: ...User Manual Thermocouple RTD Millivolt Input Module Cat No 1794 IRT8 Allen Bradley Allen Bradley PLCs ...
Страница 3: ...Publication 1794 6 5 12 November 1997 2 Allen Bradley PLCs ...
Страница 7: ...Publication 1794 6 5 12 November 1997 P 4 Using This Manual Allen Bradley PLCs ...
Страница 33: ...Publication 1794 6 5 12 November 1997 3 6 Programming Your Thermocouple RTD Input Module Allen Bradley PLCs ...