User Manual
Publication 1746-UM003A-EN-P
7-4 Application Examples
Figure 7.3 Device Configuration for Displaying Many RTD Inputs
Channel Configuration
(see completed worksheet on page 7-5)
Configuration setup for ambient RTD:
• channels 0 and 4
• 604Ω Nickel/Iron (518)
• display temperature to tenths of a degree Celsius or Fahrenheit
• zero data word in the event of an open- or short-circuit
• 28 Hz input filter to provide 60 Hz line noise rejection
• use 1.0 mA excitation current for RTD
• scaling for -20°C to +60°C
Bath
°
C
°
F
.
Chilled H
2
OSteam
. .
Ambient
.
.
..
SLC 5/04
1746-NR8
1746-IB8
(8) 1746-OB16
Ambient Temperature
604
Ω Nickel/Iron (518)
Chilled H
2
O Pipe In
Chilled H
2
O Pipe Out
200
Ω Platinum RTD (385)
1000
Ω Platinum RTD (385)
Steamed Pipe Out
Steamed Pipe In
Bath
200
Ω Platinum RTD (385)
Display Panel
Selector Switch (I:2/0)
Ambient Temperature
604
Ω Nickel/Iron (518)
Bath
200
Ω Platinum
RTD (385)
Chilled H
2
O Pipe In
Chilled H
2
O Pipe Out
200Ω Platinum RTD (385)
1000
Ω Platinum RTD (385)
Steamed Pipe Out
Steamed Pipe In