CT-3808: 8 CHANNELS ANALOG INPUT THERMOCOUPLE
Product Feature:
- The module supports 8-channel thermocouple signal acquisition
- The module carries 8 analog LED indicators
- The module supports 9 kinds of conventional thermocouple temperature measurement type
- The internal bus of the module and field input adopts magnetic isolation
- The module input channel supports TVS overvoltage protection
- 24-bit ADC resolution (Σ-δ type)
Product Details
- The module supports 8-channel thermocouple signal acquisition
- The module carries 8 analog LED indicators
- The module supports 9 kinds of conventional thermocouple temperature measurement type
- The internal bus of the module and field input adopts magnetic isolation
- The module input channel supports TVS overvoltage protection
- 24-bit ADC resolution (Σ-δ type)
Technical Parameters
| GEneral parameters | |||
|---|---|---|---|
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Power |
Max.60mA@5.0Vdc
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Isolation
|
I/O to internal bus: opto-couple isolation (2.5KVrms)
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Field Power
|
Not used |
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Wiring
|
I/O wiring: Max.1.5mm2(AWG 16) |
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Mounting Type
|
35mmDIN-Rail
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Size
|
115*14*75mm |
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Weight
|
65 g |
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| Environment Specification | |
|---|---|
|
Operational Temperature |
-40~85℃
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Operational Humidity
|
5%-95% RH(No Condensation)
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Protection Class |
IP20 |
| Input parameters | |
|---|---|
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Channel Number |
8 channels
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LED Indicator
|
8 input LED indicators
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Sensor Type
|
J / K/ E / T / S / R / B / N / C type thermocouples
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M/S/F:Working
Mode |
Modbus Master, Slave, Transparent Transmission
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Acquisition precision
|
±0.3% Full Scale，@25℃ / ±0.5% Full Scale，@-40~85℃ |
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Sampling rate
|
20 ms / 1 channel
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Sampling Rate
|
70ms/4 channel
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| Measuring Range℃ | |
|---|---|
|
J Type |
-210~1200℃
|
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K Type
|
-270~1370℃
|
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E Type |
-270~1000℃
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T Type |
-270~400℃
|
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S Type
|
-50~1760℃
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R Type
|
-50~1760℃
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B Type
|
0~1820℃
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N Type
|
-270~1300℃
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C Type
|
0~2320℃
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Data Format
|
16-Bit Signed Integer (Integer)
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Diagnostic Function -32767
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No thermocouple model selected (that is, the channel is disabled)
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Diagnostic Function - 32766 |
open circuit disconnection |
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Diagnostic Function - 32767
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Temperature overflow
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Diagnostic Function - 32768 |
Temperature underflow
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