ET-7255 CR: Module 2 cổng Ethernet Modbus TCP 8 kênh đầu vào số DI + 8 kênh đầu ra số DO

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ET-7255 CR Ethernet I/O Module with 2-port Ethernet Switch, 8-ch DI and 8-ch DO (RoHS)

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ET-7255 CR: Module 2 cổng Ethernet Modbus TCP 8 kênh đầu vào số DI + 8 kênh đầu ra số DO

Features

  • Built-in Web Server
  • Web HMI
  • Support for both Modbus TCP and Modbus UDP Protocols
  • Communication Security
  • 2-port Ethernet Switch for Daisy-Chain Topology
  • Dual Watchdog
  • Wide Operating Temperature Range: -25 ~ +75°C
  • I/O Pair Connection
  • Built-in I/O
    • DI/Counter: 8 Channels
    • DO: 8 Channels

Introduction

The ET-7255 provides 8 Dry/wet contact digital input channels and 8 source-type digital output channels. It features optical isolation for 2500 VDC 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 drive 650 mA load. The power-on value and safe value of digital output channel are programmable. It can safely be used in applications where hazardous voltages are present.

Specification

CPU Module
Watchdog Timer Yes, Module (0.8 second), Communication (Programmable)

 

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

 

LED Indicators
Status 1 x Power, 2 x Ethernet, 16 x I/O

 

Software
Built-in Web Server Yes

 

Digital Input/Counter
Channels 8
Sink/Source (NPN/PNP) Dry: Source
Wet: Sink/Source
Wet Contact, ON Voltage Level +10 VDC ~ +50 VDC
Wet Contact, OFF Voltage Level +4 VDC Max.
Contact Dry Contact, Wet Contact
Dry Contact, ON Voltage Level Close to GND
Dry Contact, OFF Voltage Level Open
Dry Contact, Effective Distance 500 m Max.
Max. Counts 4,294,967,285 (32 bits)
Frequency 100 Hz
Min. Pulse Width 5 ms
Input Impedance 10 KΩ
Overvoltage Protection +70 VDC

 

Digital Output
Channels 8
Type Isolated Open Collector
Sink/Source (NPN/PNP) Source
Load Voltage +10 VDC ~ +40 VDC
Max. Load Current 650 mA/channel at 25°C
Overvoltage Protection 47 VDC
Short-Circuit Protection Yes
Power on Value Yes, Programmable
Safe Value Yes, Programmable

 

Ethernet
Ports 2 x RJ-45, 10/100 Base-TX, Swtich Ports
Security ID, Password and IP Filter
Protocol Modbus/TCP, Modbus/UDP

 

Power
Reverse Polarity Protection Yes
Consumption 3.9 W
Powered from Terminal Block 12 ~ 48 VDC

 

Mechanical
Dimensions (mm) 76 mm x 120 mm x 38 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-7255     CR  Ethernet I/O Module with 2-port Ethernet Switch, 8-ch DI and 8-ch DO (RoHS)

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