8-channel input module CT-3808

analogModbus RTUModbus TCP

Product Feature: CT-3808: 8 channels Analog Input,Thermocouple（ J type, K type, E type, T type, Stype, R type, B type, N type） ◆ 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) General parameters Power: Max.60mA@5.0Vdc Isolation: I/O to internal bus: magnetic isolation (2.5KVrms) Field Power: Not used I/O Wiring: Max.1.5mm²(AWG 16) Mounting Type: - 35mmDIN-Rail Size: - 115*14*75mm Weight: 65g Environment Specification Operational Temperature: - -40~85℃ Operational Humidity: 5%~95% RH(No Condensation) Protection Class: IP20 Input Parameter Channel Number: 8 Channels LED Indicator: 8 Input LED Indicators Sensor Type: J / K/ E / T / S / R / B / N type thermocouples M/S/F:Working Mode - Modbus Master, Slave, Transparent Transmission Acquisition Accuracy: ±0.3% Full Scale，@25℃ ±0.5% Full Scale，@-40~85℃ Sampling Rate: 70ms/4 channel Measuring Range℃: J Type - -210~1200℃ K Type - -270~1370℃ E Type - -270~1000℃ T Type - -270~400℃ S Type - -50~1760℃ R Type - -50~1760℃ B Type - 0~1820℃ N Type - -270~1300℃ Data Format: 16-Bit Signed Integer (Integer) Diagnostic Function: - -32767: No thermocouple model selected (that is, the channel is disabled) 32766：open circuit disconnection 32767：Temperature overflow -32768：Temperature underflow