Rockwell Automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual User Manual
Page 52
Publication 1794-UM064B-EN-P - May 2014
40 Communicate With Your Module
Write Word 1
04…05
Sensor Mode Select bits
Bit
05
04
Sensor mode select for channels 0...3
Thermocouple
0
0
External compensation – uses cold junction sensors
0
1
Internal compensation – uses the value selected for "reference junction selection"
1
0
No compensation (Data is referenced to 0 °C)
1
1
Differential measurement between 2 channels (0…1, 2…3, 4…5, 6…7)
RTD
0
0
1-wire RTD no compensation
0
1
2-wire RTD with user selected compensation
1
0
3-wire RTD
1
1
4-wire RTD
06…07
Sensor
Bit
07
06
Input type selection for channels 0…3
0
0
Thermocouple
0
1
RTD
1
0
Not used
1
1
08…11
(10…13)
Sensor Mode Select bits
RTD Type
Bit
11
10
09
08
Sensor type for channels 4...7
0
0
0
0
Resistance (default)
0
0
0
1
100
Ω Pt α = 0.00385 Euro (-200...870 °C)
0
0
1
0
200
Ω Pt α = 0.00385 Euro (-200...400 °C)
0
0
1
1
100
Ω Pt α = 0.003916 U.S. (-200...630 °C)
0
1
0
0
200
Ω Pt α = 0.003916 U.S. (-200...400 °C)
0
1
0
1
100
Ω Nickle (-60...250 °C)
0
1
1
0
200
Ω Nickle (-60...200 °C)
0
1
1
1
120
Ω Nickle (-80...320 °C)
1
0
0
0
10
Ω Copper (-200...260 °C)
1001...1111 not used
Word
Dec. Bits
(Octal Bits)
Description