Channel configuration – Rockwell Automation 1746-NR4 SLC RTD/Resistance Input Module User Manual User Manual
Page 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