M-2004 & M-7004 User Manual, v 1.0.2, Apr. 2020 E-mail: [email protected]
Copyright © 2017 ICP DAS Co., Ltd. All Rights Reserved.
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Chapter 1. Hardware
1.1. Introduction
The M-2004/M-7004 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 M-2004/M-7004 module in a daisy-chain
arrangement with a maximum wiring distance of 100 meters.
The M-2004/M-7004 module is fully RoHS compliant, and
features 4 kV ESD protection as well as 3000 VDC intra-module
isolation.