Module 2 cổng Ethernet Modbus TCP & MQTT 8 kênh DI+ 8 kênh DO ICP DAS ET-2255 CR

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Ethernet I/O Module with 8-ch DI and 8-ch Sink-type DO

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Module 2 cổng Ethernet Modbus TCP & MQTT 8 kênh DI+ 8 kênh DO ICP DAS ET-2255 CR

Features

  • Built-in Web Server
  • Support Modbus TCP/UDP Protocols
  • Powerful 32-bit MCU Handles Efficient Network Traffic
  • 2-port Ethernet Switch (LAN Bypass) for Daisy-Chain Wiring
  • Dual Watchdog
  • I/O Pair Connection (Push and Polling)
  • Supports web configuration and firmware update via Ethernet
  • Built-in I/O
    • ET-2255/2255U: 8-ch wet/dry contact digital input
    • ET-2255: 8-ch sink-type digital output
    • ET-2255U: 8-ch digital output selectable as either sink- or source-type via wire connection
  • LED Display to Indicate the I/O status
  • Wide Operating Temperature Range: -25 ~ +75 °C

Introduction

Providing various digital I/O functions, the ET-2255/2255U module is an IP-based Ethernet I/O monitoring and control module. The module can be remotely controlled through a 10/100 M Ethernet network by using Modbus TCP/UDP protocol. Modbus has become a de facto standard communications protocol in industry, and is now the most commonly available means of connecting industrial electronic devices. This makes the ET-2255/2255U module perfect integration with the HMI, SCADA, PLC and other software systems.

The ET-2255/2255U provides 8 wet/dry contact Digital Input channels. The ET-2255 provides 8 sink-type Digital Output channels, while ET-2255U provides 8 sink- or source-type Digital Output channels by wire connection. With 2 Ethernet ports, the ET-2255/2255U allows daisy chain connection which permits the flexibility in locating devices, eases installation and lowers infrastructure costs. It features optical isolation for 3000 Vrms of transient overvoltage protection but doesn’t provide channel-to-channel isolation. Each input channel can be used as a 32-bit counter and each output channel can configurable power-on and safe values. It can safely be used in applications where hazardous voltages are present.It features 8 kV ESD protection, 4 kV EFT protection, 3 kV surge and 3000 VDC/3750 VDC I/O isolation are also provided to enrich the noise protection ability for industrial environment.

The module can be used to create DI to DO pair-connect through the Ethernet. After configuration, the ET-2255/2255U module can poll the status of the local DI channels and then use the Modbus/TCP protocol to continuously write to the remote DO devices.

It is equipped with removable terminal block connector for easy and robust wiring in industrial situations, and features a powerful 32-bit ARM MCU to handle efficient network trafficking.

Specification

CPU Module
CPU 32-bit ARM
Watchdog Timer Yes, Module, Communication (Programmable)

 

EMS Protection
EFT (IEC 61000-4-4) ±4 kV for Power Line
ESD (IEC 61000-4-2) ±8 kV Contact for Each Terminal and
±16 kV Air for Random Point
Surge (IEC 61000-4-5) ±3 kV for Power Line

 

LED Indicators
Status 1 x Power and Communication
1 x Ethernet
16 x I/O

 

Digital Input/Counter
Channels 8
Sink/Source (NPN/PNP) Sink/Source
Contact Wet/Dry Contact
ON Voltage Level +5 VDC ~ +50 VDC
OFF Voltage Level +1 VDC Max.
Max. Counts 32-bit (4294967295)
Frequency 3 kHz
Input Impedance 7.5 kΩ
Overvoltage Protection +70 VDC

 

Digital Output
Channels 8
Type Open Collector
Sink/Source (NPN/PNP) Sink
Load Voltage +3.5 V ~ +50 V
Max. Load Current 650 mA/Channel
Overvoltage Protection + 60 VDC
Overload Protection 1.4 (with short-circuit protection)

 

Power
Reverse Polarity Protection Yes
Consumption 24 VDC: 2.9 W Max.
Powered from Terminal Block +10 ~ +30 VDC

 

Mechanical
Dimensions (mm) 33 mm x 127 mm x 99 mm (W x L x H)
Installation DIN-Rail or Wall mounting

 

Environmental
Operating Temperature -25 ~ +75 °C
Storage Temperature -30 ~ +80 °C
Humidity 10 ~ 90% RH, Non-condensing

Download

Data sheet

Documents

Ordering information

ET-2255     CR  Ethernet I/O Module with 2-port Ethernet Switch, 8-ch DI and 8-ch Sink-type DO (RoHS)

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