Description
This RTD Input module is ideal for monitoring multiple Higher Accuracy Temperatures using 2, 3 or 4-wire RTD's.
Features
- 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
Specifications
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