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I-7033/I-7033D/M-7033/M-7033D
3-channel RTD Input Module
 
   
Model: I-7033/I-7033D Model: M-7033/M-7033D
 
  • 3-channel RTD Input
  • Lead Resistance Elimination for 3/4-wire Connections
  • Open Wire Detection
  • 4 kV ESD Protection
  • 3000 VDC Intra-module Isolation
  • Dual Watchdog
  • Wide Operating Temperature Range: -25 to +75°C
 
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.
 
Building Automation, Factory Automation, Machine Automation, Remote Maintenance, Remote Diagnosis, Testing Equipment.
 
Models I-7033 I-7033D M-7033 M-7033D
RTD Input
Channels 3
Wiring 2/3/4-wire
Sensor Type Pt100, Pt1000, Ni120
Resolution 16-bit
Accuracy ±0.1%
Sampling Rate 15 Hz
Individual Channel Configuration No
Overvoltage Protection ±25 VDC
Open Wire Detection Yes
3/4-wire RTD Lead
Resistance Elimination
Yes
Resistance Measurement 3.2 kΩ Max.
 
Models I-7033 I-7033D M-7033 M-7033D
Communication
Interface RS-485
RS-485 Bias Resistor No (An RS-485 master is required to provide the bias.)
Format (N, 8, 1) (N, 8, 2) (E, 8, 1) (O, 8, 1)
Baud Rate 1200 ~ 115200 bps
Protocol DCON Modbus RTU, DCON
Dual Watchdog Yes, Module (1.6 Seconds), Communication (Programmable)
LED Indicator/Display
System LED Indicator Yes, 1 as Power/Communication Indicator
I/O LED Indicator -
7-Segment LED Display - Yes - Yes
Isolation
Intra-Module Isolation, Field-to-Logic 3000 VDC
EMS Protection
ESD (IEC 61000-4-2) ±2 kV Contact for each Terminal
EFT (IEC 61000-4-4) ±4 kV to Power Line
Surge (IEC 61000-4-5) ±0.5 kV for Power Line
Power
Reverse Polarity Protection Yes
Input Range +10 ~ +30 VDC
Consumption 1.0 W 1.6 W 1.0 W 1.6 W
Mechanical
Dimensions (L x W x H) 123 mm x 72 mm x 35 mm
Installation DIN-Rail or Wall Mounting
Environment
Operating Temperature -25 ~ +75°C
Storage Temperature -40 ~ +85°C
Humidity 10 ~ 95% RH, Non-condensing
 
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