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ET-7252 Ethernet I/O Module with 2-port Switch, 8-ch DI and 8-ch DO

Product information "ET-7252 Ethernet I/O Module with 2-port Switch, 8-ch DI and 8-ch DO"

The ET-7252 is a DIN-rail Ethernet I/O module that brings eight wet-contact digital inputs and eight source-type digital outputs onto a Modbus network. Each input can also be used as a 32-bit counter, which suits pulse counting and event logging without a separate counter module.

Two integrated RJ-45 switch ports with LAN bypass allow the module to be daisy-chained along a line of devices, reducing the cabling needed for distributed I/O. A built-in web server and Web HMI are provided, and access is controlled by ID, password and IP filter.

Optical isolation rated at 2500 VDC on the I/O side and 1500 VDC on the Ethernet side helps the module suit applications where hazardous voltages may be present. Digital output power-on and safe values are programmable, so each output can be given a defined state.

Applications

  • Building Automation
  • Factory Automation
  • Machine Automation
  • Remote Maintenance
  • Remote Diagnosis
  • Testing Equipment
Product type: Ethernet I/O Module
Interface: Ethernet
Protocol: Modbus TCP, Modbus UDP
Digital inputs: 8
Digital outputs: 8
Ports: 2
Isolation: 2500 VDC (I/O), 1500 VDC (Ethernet)
Power input: +12 ~ +48 VDC
Operating temperature: -25 ~ +75 °C
Mounting: DIN-rail

Specifications

Software
Built-in Web ServerYes
CPU Module
Watchdog TimerModule, Communication (Programmable)
Isolation
2-way IsolationEthernet: 1500 VDC
I/O: 2500 VDC
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
StatusRun, Ethernet, I/O
Digital Input/Counter
Channels8
TypeWet Contact
Sink/Source (NPN/PNP)Sink/Source
ON Voltage Level+10 ~ +50 VDC
OFF Voltage Level+4 VDC (max.)
Max. Counts4,294,967,295 (32-bit)
Frequency100 Hz
Min. Pulse Width5 ms
Input Impedance10 kΩ
Overvoltage Protection+70 VDC
Digital Output
Channels8
TypeIsolated Open Collector
Sink/Source (NPN/PNP)Source
Load Voltage+10 ~ +40 VDC
Load Current650 mA/channel at 25°C
Overvoltage Protection+47 VDC
Short-circuit ProtectionYes
Power on ValueProgrammable
Safe ValueProgrammable
Ethernet
Ports2 x RJ-45, 10/100 Base-TX, Swtich Ports
LAN bypassYes
Access ControlID, Password and IP Filter
ProtocolModbus TCP, Modbus UDP
Power
Reverse Polarity ProtectionYes
Consumption3.4 W (max.)
Powered from Terminal Block+12 ~ +48 VDC
Mechanical
Dimensions (mm)76 x 120 x 42 (W x L x H)
InstallationDIN-Rail mounting
Environment
Operating Temperature-25 ~ +75 °C
Storage Temperature-30 ~ +80 °C
Humidity10 ~ 90% RH, Non-condensing

Specifications as published by the manufacturer. Subject to change.

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