I-7018P Thermocouple Input Module (8 Channel)

Description

This unit has 8 channels capable of measuring Thermocouples, Voltage or Current, depending on the module configuration.

Features

• 16 bit ADC
• 3000V dc inter module isolation
• Direct measurement of thermocouples, voltage and current
• Cold Junction Compensation for thermocouples
• Can be Configured using simple ASCII Commands

Specifications

Analog Input

• Input Channels: 8 differential (or 6 differential and 2 single- ended by jumper select)
• Input Type: +/-15mV, +/-50mV, +/-100mV, +/-500mV, +/-1V, +/-2.5V,
  +/-20mA (requires optional external 125 ohm resistor)
  Thermocouple Type J, K, T, E, R, S, B, N, C. L, M 
• Resolution: 16-bit
• Sampling Rate : 10 Samples/ Second
• Accuracy: +/-0.1%
• BandWidth: 15.7Hz
• Zero drift: 0.5uV/°C
• Span drift: 25ppm/°C
• Input Impedance: 20M Ohms
• Common Mode Rejection: 150dB min
• Normal Mode Rejection: 100dB
• Over voltage Protection: +/-35V
• Open Thermocouple Detection: No
• Photo-Isolation: 3750 Vrms
• Intra-module Isolation, Field to Logic: 3000 VDC

Other

• Interface: RS-485
• Format: N, 8, 1
• Baud Rate: 1200 ~ 115200bps
• LED Display: 1 LED as Power/ Communication indicator
• Power Input: +10 to +30 Vdc
• Power Consumption: 1.0W
• Operating temperature: -25 to 75°C
• Storage temperature: -40 to 85°C
• Humidity: 5 to 95%, non-condensing

Technical

User Manual