Rockwell-automation 1746-NR4 SLC RTD/Resistance Input Module User Manu Bedienungsanleitung PDF herunterladen (Seite 112)

Publication 1746-UM008B-EN-P - December 2006

112 Application Examples

Channel Configuration

See completed worksheet in Channel Configuration Worksheet (With

Settings Established) on page 113.

Configuration setup for ambient RTD includes the following:

• channel 0

• 604 Ω Nickel/Iron (518)

• display temperature to tenths of a degree Celsius

• zero data word in the event of an open or short circuit

• 60 Hz input filter to provide 60 Hz line noise rejection

• use 2.0 mA excitation current for RTD

• select module defined scaling

Configuration setup for bath RTD includes the following:

• channel 1

• 200 Ω Platinum RTD (385)

• display temperature to tenths of a degree Celsius

• zero data word in the event of an open or short circuit

• 60 Hz input filter to provide 60 Hz line noise rejection

• use 2.0 mA excitation current for RTD

• select module defined scaling

Configuration setup for steam RTD includes the following:

• channel 2

• 1000 Ω Platinum RTD (385)

• display temperature to tenths of a degree Celsius

• zero data word in the event of an open or short circuit

• 60 Hz input filter to provide 60 Hz line noise rejection

• use 0.5 mA excitation current for RTD

• select module defined scaling

Configuration setup for chilled H2O RTD the following:

• channel 3

• 200 Ω Platinum RTD (385)

• display temperature to tenths of a degree Celsius

• zero data word in the event of an open or short circuit

• 60 Hz input filter to provide 60 Hz line noise rejection

• use 2.0 mA excitation current for RTD

• select module defined scaling

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Rockwell-automation 1746-NR4 SLC RTD/Resistance Input Module User Manu Bedienungsanleitung Seite 112