A technical specifications, Appendix a, Technical specifications – Rockwell Automation 61C544A RTD Module User Manual
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AĆ1
Appendix A
Technical Specifications
Ambient Conditions
D Storage Temperature: -40 to 85
o
C
-40 to 185
o
F
D Operating Temperature: 0 to 60
o
C
32 to 140
o
F
D Humidity: 5 to 90% nonĆcondensing
Dimensions
D Height: 11.75 inches (29.8 cm)
D Width: 1.25 inches (3.2 cm)
D Depth: 7.375 inches (18.7 cm)
D Weight: 2 pounds (0.9 kg)
System Power Requirements
D + 5 volts: 1.5 A
D + 12 volts: 30 mA
Maximum Module Power Dissipation
D 7.5 Watts
Recommended RTD Cable
D Belden 9502 or Equivalent
D Maximum RTD Field Wiring Length: 500 Feet
Input Channels
D Number of Channels (RTDs): 16
D Commons: one analog common shared by 16 RTD channels
D Isolation: 2500V from analog common to digital ground
RTD Elements
D RTD Sensor Type: 100 ohm platinum
alpha = 0.00385 ohm/ohm/
o
C (European Curve)
ăăăăăor 0.00392 ohm/ohm/
o
C (American Curve)
4Ćwire, 3Ćwire, or 2Ćwire terminations
D RTD Excitation Current: 1 mA, 0.2% across the operating
temperature range
D RTD Excitation Current Loading: 0 to 500 ohms
D RTD Temperature Range: -200 to 500
o
C
-328 to 932
o
F