- Product Description
-
Order Data
Product Name
Specification
Order No.
AIR-04 temperature module
RTD input, 4-channel RTD, isolation，16bit precision
CTH3 AIR-040S1
AIR-08 temperature module RTD input, 8-channel RTD, isolation，16bit precision
CTH3 AIR-080S1
- Technical Spec
-
Performance Parameters
Characteristics
AIR-040S1
AIR-080S1
Physical Characteristics
Dimension（W×H×D）
34×115×100mm
Power Characteristics
Rated input voltage
24V DC
Input voltage range
20.4V~28.8V DC
Input current
60mA
80mA
Reverse polarity protection
Yes
Bus power voltage
+5V DC
Bus power current
50mA
50mA
LED lights Diagnostics
24V power LED
On：24VDC normal power；Off：No 24VDC power supply
SF LED
On：system-down；off：No error,flash:iInput signal error
Input Characteristics
Input type
Module reference ground thermal resistance
Number of inputs
4
8
Wiring
2-wire, 3-wire and 4-wire;default: 3-wire
Input Range
RTD type (choose one):
Pt-100Ω，200Ω，500Ω，1000Ω（α=3850ppm，3920ppm，3850.55ppm，3916ppm，3902ppm）
Pt-10000Ω（α=3850ppm）
Cu-9.035Ω（α=4720ppm）
Ni-100Ω，120Ω，1000Ω（α=6720ppm，6178ppm）
R-150Ω，300Ω，600ΩFS
default：Pt-100Ω（α=3850ppm）
Isolation
Field to Logic
Site to 24VDC
24VDC to logic
500VAC
500VAC
500VAC
Common Mode Rejection
＞100dB@120VAC
Input resolution
Temperature
Voltage
Resistance
0.1℃/0.1℉
-
15 + sign bit
Measuring principle
Sigma-Delta
Module update frequency (all channels)
4 channel support 8Hz, 4Hz, 2Hz, 1Hz configured, default : 2Hz all channels
8 channel support 4Hz、2Hz、1Hz、0.5Hz configured, default : 2Hz all channels
length of wire to sensor
Max,100m
Wire loop resistance
20Ω, Cu-type 2.7Ω
Noise suppression
85dB@50Hz/60Hz/400Hz
Data word format
Resistance: -27 648 ~ + 27 648
Input impedance
＞10MΩ
Maximum input voltage
Inputs can support a maximum voltage to 30V DC of misconnection
Resolution
15bit + sign bit
Input filter attenuation
-3dB@3.6KHz
Basic error
0.1%Fs（Resistance）
Repeatability
0.05%Fs
Cold junction compensation
-
Cold junction error
-
Temperature Unit
Celsius / Fahrenheit can be configured, default Celsius
Break detection
yes
Support both positive and negative directions calibration, default positive calibration
Diagnostic
Break
No module supply
32767（positive calibration），-32768（ negative calibration）
32766
With integrated PID control function
-
- Installation
-
Wiring Diagram
1. AIR-040S1
2. AIR-080S1
