I-7033 RTD Input Module (3 channel)

• 24 bit Sigma-Delta ADC
• 3000V dc inter module isolation
• Direct RTD Connection
• Software Calibration
• Can be Configured using simple ASCII Commands
• Open Wire Detection

Analog Input

• Resolution: 16 bits
• No of inputs: 3
• Input Type: RTD
• Wire Connection : 2/3/4 Wire
• RTD Type: Pt100 α = 0.00385, Pt100 α = 0.003916, Ni120 α = 0.00672, Pt1000 α = 0.00385
• Sampling Rate: 12.5 samples/sec
• Bandwidth : 15.7Hz
• Accuracy = +/-0.1%
• Zero Drift : +/- 0.5µV/°C
• Span Drift : +/- 25µV/°C
• Over Voltage Protection: +/- 5V (P-P)
• Common Mode Rejection = 150dB
• Normal Mode Rejection = 100dB
• Open Wire Detection : Yes
• Intra-module Isolation, Field to Logic : 3000Vdc

Other

• Interface = RS485
• Format : N,8,1
• Baud Rate : 1200 - 115200 bps
• LED Display = Power/Comms indicator
• Power Input = +10V to +30V dc
• Power Consumption = 1W
• Operating Temp. = -25 to +75°C
• Storage Temp. = -40 to +85°C
• Humidity = 5 to 95%, non-condensing

User Manual