Data Acquisition

I-7033D-G

  • 3 RTD Inputs
  • Lead Resistance Elimination for 3/4-wire Connections
  • Open Wire Detection
  • Built-in Dual Watchdog

Introduction

The I-7033 is a 3-channel RTD Input module that is used for measuring temperatures via an RTD sensor and supports Pt100, Ni120, and Pt1000 type sensors. The module allows 2/3/4-wire RTD connections and features open wire detection. In addition, the I-7033 also includes 3000 VDC intra-module isolation, and supports lead resistance elimination for 3/4-wire connections.

Application

• Building Automation
• Factory Automation
• Machine Automation
• Remote Maintenance
• Remote Diagnosis
• Testing Equipment

Specifications

 CPU Module
 Watchdog Timer Module, Communication (Programmable)

 

 Display
Type 5-Digit 7 Segment LED Display

 

 Isolation
 Intra-module Isolation 3000 VDC

 

 EMS Protection
 EFT (IEC 61000-4-4) ±4 kV for Power Line
 ESD (IEC 61000-4-2) ±2 kV Contact for Each Terminal
 Surge (IEC 61000-4-5) ±0.5 kV for Power Line

 

 LED Indicators
 Status 1 x Power and Communication

 

 Analog Input
 Channels 3
 Type RTD
 Sensor Type Pt100, Pt1000, Ni120
 Resistance Measurement 3.2 kΩ Max.
 Resolution 16-bit
 Accuracy ±0.1% of FSR
 Sampling Rate 15 Hz
 Overvoltage Protection ±25 VDC
 Open Wire Detection Yes
 3-wire RTD Lead Resistance Elimination Yes

 

 COM Ports
 Ports 1 x RS-485
 Baud Rate 1200 ~ 115200 bps
 Data Format (N, 8, 1), (N, 8, 2), (E, 8, 1), or (O, 8, 1)
 Protocol DCON

 

 Power
 Reverse Polarity Protection Yes
 Input Range +10 ~ +30 VDC
 Consumption 1.3 W

 

 Mechanical
 Dimensions (mm) 72 x 123 x 35 (W x L x H)
 Installation DIN-Rail Mounting

 

 Environment
 Operating Temperature -25 ~ +75 °C
 Storage Temperature -40 ~ +85 °C
 Humidity 10 ~ 95% RH, Non-condensing