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

I-87004W

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

  Price:  $349.00  

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Features

ICP DAS USA’s I-87004W is a digital temperature sensor module that is equipped with 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 total measurement range of between -55 and +125°C. The I-87004W can be daisy-chained with a maximum wiring distance of 100 meters by connecting up to 20 DS18B20 sensors on each port. The I-87004W 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
Application Image I-87004W

Reference & Support

Specifications

System Specifications

Communication

Interface

RS-485

Format

N81, N82, E81, O81

Baud Rate

1200 ~ 115200 bps

Protocol

DCON

Dual Watchdog

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

LED Indicator/Display

System LED Indicator

Yes, 1 LED as Power/Communication Indicator

I/O LED Indicator

-

Isolation

Intra-module Isolation, Field-to-Logic

3000 VDC

EMS Protection

ESD (IEC 61000-4-2)

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

Power

Power Consumption

0.5 W Max

Mechanical

Dimensions (W x L x H)

115 mm x 30 mm x 102 mm

Environment

Operating Temperature

-25°C ~ +75°C

Storage Temperature

-30°C ~ +80°C

Humidity

10 ~ 95% RH, Non-condensing

I/O Specifications

Temperature Measurement

Port

4

Wiring

2-wire or 3-wire

Sensor Type

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

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