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Chapter 1.
Hardware
1.1. Introduction
The I-87004W is a digital temperature sensor module that
provides four ports for 2- or 3 wire DS18B20 digital temperature
sensor input. The DS18B20 temperature sensor has a high
accuracy of ±0.5°C when measuring temperatures between -10
and + 85°C, with a total measurement range of between -55 and
+125°C. Up to 20 DS18B20 sensors can be connected to each
port on the I-87004W module in a daisy-chain arrangement with
a maximum wiring distance of 100 meters. The I-87004W
module is fully RoHS compliant, and features 4 kV ESD
protection as well as 3000 VDC intra-module isolation.
I-87004W User Manual, v 1.0.1, Aug 2017
E-mail: service@icpdas.com
4
Copyright © 2017 ICP DAS Co., Ltd. All Rights Reserved.
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