COTRUST CTH200 Series - RTD Module Specifications

Technical Specifications
68
SM231 hybrid temperature input module, 2NTC/PT100, 2 points
0~20mA current or ± 5V, ± 10V, 0~10V, 0~5V voltage input,
isolated 16 bits precision
CTH2 231-7ND32
SM231 thermal resistance temperature input module, 8NTC/PT100,
isolated 16 bits precision
CTH2 231-7NF32
4.5.1 RTD Module Specifications
Table 4-5-2 RTD modules specifications
Modules
SM231: 2AI×RTD
SM231: 4AI×RTD
Order No.
CTH2 231-7PB32
CTH2 231-7PC32
Features
Dimension (W×H×D)
71.3 × 96 × 62mm
LED
24VDC Power indicator, ON=No Fault, OFF=No 24VDC Power;
SF indicator, ON= Module fault; Flash = Override or open wire
, OFF=No Fault
Power supply
+5VDC current
87mA
L+
34mA
37mA
L+ Coil Voltage
20.4~28.8VDC
Power
1.7W
Input
Type
Module ground referenced RTD
Counts
2
4
Input range
RTD types (select one per module): 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
RTD measuring
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℃
<Note> Error when exceeding this range, refer Table 4-30 for
Diagnostic details.
Isolation
Field to logic
500VAC
Field to 24 VDC
500VAC
24 VDC to logic
500VAC
Common mode input
range (input channel
to input channel)
0