CT-3808:8 channels Analog Input,Thermocouple

Technical Parameters

General Parameters:

• Power: Max. 60mA @ 5.0Vdc
• Isolation: I/O to internal bus via magnetic isolation (2.5KVrms)
• Field Power: Not used
• Wiring: I/O Wiring: Max. 1.5mm² (AWG 16)
• Mounting Type: 35mm DIN-Rail
• Size: 1151475mm
• 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
• 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 (i.e., the channel is disabled)
• 32766: Open circuit disconnection
• 32767: Temperature overflow
• -32768: Temperature underflow