- Product Description
-
Oder Data
Product Name
Specification
Order No.
AIT-04
Thermocouple Input , 4-channel TC, isolation 16bit precision
CTH3 AIT-040S1
AIT-08
Thermocouple Input , 8-channel TC, isolation 16bit precision
CTH3 AIT-080S1
- Technical Spec
-
Performance Parameters
1.General Characteristics
Characteristics
AIT-040S1
AIT-080S1
Physical Characteristics
Dimension（W×H×D
34×115×100 mm
Power Characteristics
Rated input voltage
24V DC
Input voltage range
20.4V~28.8V DC
Input current
50mA
Reverse polarity protection
Yes
Bus power voltage
+5V DC
Bus power current
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
2. Input Characteristics
Input type
Suspension-type thermocouple
Number of inputs
4
8
Wiring
-
Input Range
Thermocouple type (choose one):
S, T, R, E, N, K, J
Voltage range: ± 80mV
Default: K
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
100Ω
Noise suppression
85dB@50Hz/60Hz/400Hz
Data word format
电压：-27648~+27648
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@21KHz
Basic error
0.1% Fs (voltage)
Repeatability
0.05%Fs
Cold junction compensation
Can be configured, default ：yes
Cold junction error
±1.5℃
Temperature Unit
Celsius / Fahrenheit can be configured, default Celsius
Break detection
Can be configured, default ：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
no
- Installation
-
Wiring Diagram
1. AIT-040S1
2. AIT-080S1
