- Product Description
-
Order Data
Order Data Order No. RTD measuring module,2AI×RTD,16Bit precision,Isolation CTH2 231-7PB32 RTD measuring module,4AI×RTD,16Bit precision,Isolation CTH2 231-7PC32
- Technical Spec
-
Performance Parameters
Features
SM231：2AI×RTD
SM231：4AI×RTD
Order No.
CTH2 231-7PB32
CTH2 231-7PC32
Physical Features
Dimension（W×H×D）
71.3 × 96 × 62mm
71.3 × 96 × 62mm
LED indicator
24VDC Power supply indicator: ON = no fault, OFF = no power；
SF indicator，ON=module fault, Blink=input signal error, OFF=normal;
Power Consumption
+5VDC power loss
87mA
87mA
L+
34mA
37mA
L+Coil voltage range
20.4～28.8VDC
Power Consumption
1.7W
1.7W
Input features
Input type
Module refer ground resistance
Input number
2
4
Input range
Thermal resistance 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，600Ω
Temperature measurement range
Pt-100Ω，200Ω，500Ω，1000Ω：-200℃～850℃
Pt-10000Ω：-200℃～600℃
NI-0.00672：-80℃～260℃
NI-0.006178：-60℃～300℃
Cu-0.004270：-200℃~260℃
Isolation
Field side to logical circuit
500VAC
Field side to 24VDC
500VAC
24VDC to logical circuit
500VAC
Common mod input range（input channel to input channel）
0
Common mode rejection
>120dB@120VAC
Sample Features
Temperature resolution
0.1℃/0.1℉
Voltage resolution
15bit+sign bit
Measuring principle
Σ-Δ
Module update time（all channel）
425ms
825ms
Wire length to sensor
Max 100m
Wire loop resistance
20Ω，copper line 2.7Ω
Noise suppression
85dB@ 50Hz/60Hz/400Hz
Data format
Input impedance
>10MΩ
Max.voltage input
30VDC，5VDC
Input resolution
15bit+sign bit
Input filter attenuation
-3dB@21kHz
Error
0.1% FS（resistance）
Repeatability
0.05% FS
Analog input addressing
AIW addressing
- Installation
-
Size Diagram
Wiring Diagram
