4-port Digital Temperature Sensor Module with Daisy-Chain Wiring (RoHS)

M-2004

4-port Digital Temperature Sensor Module with Daisy-Chain Wiring (RoHS)

  Price:  $309.00  

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Features

ICP DAS USA’s M-2004 is a digital temperature sensor module that provides four ports for 2- or 3 wire DS8B20 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 measuring range between -55 and +125°C. Up to 20 DS18B20 sensors can be connected to each port on the M-2004 module in a daisy-chain arrangement with a maximum wiring distance of 100 meters. The M-2004 module is fully RoHS compliant, and features 4 kV ESD protection as well as 3000 VDC intra-module isolation.

  • 4-Port DS18B20 Sensor Input Module
  • 2/3-wire DS18B20 Wire Connection
  • Max 20 Sensors per Port
  • Max. Distance of 100 m per Port when using Daisy-Chain Wiring
  • Measures Temperatures from -55 to +125°C
  • ±0.5°C Accuracy from -10 to +85°C
  • 4 kV ESD Protection
  • 3000 VDC Intra-module Isolation, Field to Logic
  • RoHS Compliant
  • Wide Operating Temperature Range: -25 to +75°C

Applications

  • Temperature Measurement
  • Environment Monitoring
  • Tunnel Monitoring
  • Building Monitoring

Specifications

System Specifications

Communication Interface

Interface

RS-485

Bias Resistor

Yes, 1kΩ bias resistor by switch selectable

Format

N81, N82, E81, O81

Baud Rate

1200 to 115200 bps

Protocol

Modbus RTU, DCON

Dual Watchdog

Yes, Module (1.6 Seconds), Communication (Programmable)

LED Indicators/Display

System LED Indicator

Yes, 1 as Power/Communication Indicator

I/O LED Indicators

-

Isolation

Intra-module Isolated, Field-to-Logic

3000 VDC

EMS Protection

ESD (IEC 61000-4-2)

±4 kV Contact for each Terminal
±8 kV Air for Random Point

EFT (IEC 61000-4-4)

±4 kV for Power

Surge (IEC 61000-4-5)

±2 kV for power liner

Power

Reverse Polarity Protection

Yes

Input Voltage Range

+10 ~ +48 VDC

Power Consumption

0.5 W

Mechanical

Dimensions (L x W x H)

110 x 33 x 96 mm

Installation

DIN-Rail

Environment

Operating Temperature

-25°C to +75°C

Storage Temperature

-30°C to +80°C

Relative Humidity

10 ~ 95% RH, Non-condensing

I/O Specifications

Analog Input

Port

4

Wiring

2-wire or 3-wire

Resolution

DS18B20

Temperature Measurement Range

-55°C to +125°C

Resolution

12-bit

Accuracy

±0.5°C (See Note 1)

Sampling Rate

1 Hz

Number of Sensors per Port

20

Sensor Wiring Length

Max. 100 m per Port

Note :1 ±0.5°C Accuracy from -10°C to +85°C

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