Rockwell-automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual Manual de usuario descargar pdf (Pagina 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

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)

100010 Ω Copper (-200...260 °C)

1001...1111 not used

Word Dec. Bits

(Octal Bits)

Description

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 152 153

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Rockwell-automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual Manual de usuario Pagina 52