COTRUST CTH200 Series - Page 79

CTH200 Series PLC User Manual
69
Common mode
rejection
>120dB@120VAC
Input resolution
Temperature
0.1℃/0.1℉
Voltage
15bits plus sign
Measuring principle
Σ-Δ
Module update time:
All channels
425ms
825ms
Wire length to sensor
Max 100m
Wire loop resistance
20Ω, 2.7Ω for Cu
Noise suppression
85dB@ 50Hz/60Hz/400Hz
Data word format
Input impedance
>10MΩ
Maximum input
voltage
30VDC(sense), 5VDC(source)
Resolution
15bits plus sign
Input Filter
attenuation
-3dB@21kHz
Basic error
0.1% FS (resistance)
Repeatability
0.05% FS
AI Addressing
method
AIW Addressing
Wiring diagram
SM231 thermal resistance input module 2AI x RTD (CTH2 231-7PB32)
SM231 thermal resistance input module 4AI x RTD (CTH2 231-7PC32)