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

Page 112

Advertising
background image

Publication 1746-UM008B-EN-P - December 2006

112 Application Examples

Channel Configuration

See completed worksheet in Channel Configuration Worksheet (With
Settings Established) o
n 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

Advertising