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PET-7253 PoE Ethernet I/O Module, 16-ch Dry Contact Digital Input

Product information "PET-7253 PoE Ethernet I/O Module, 16-ch Dry Contact Digital Input"

PET-7253 CR is a PoE Ethernet remote I/O module that brings 16 dry contact digital inputs onto a Modbus network. Every input can also run as a 32-bit counter, which suits pulse counting and event tallying on machines and building systems.

The built-in 2-port switch with LAN bypass lets you daisy-chain modules along a cable run without a separate switch at each point. Power can come from PoE (IEEE 802.3af, Class 1) or from a +12 to +48 VDC terminal block. Optical isolation gives 3750 Vrms transient overvoltage protection, although the channels are not isolated from each other.

An embedded web server and web HMI allow configuration and monitoring from a browser, with access control by ID, password and IP filter. The dual watchdog and I/O pair connection support fault handling in unattended installations.

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: 16
Ports: 2
PoE: Yes
Isolation: 2500 VDC
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 IsolationI/O: 2500 VDC
EMS Protection
EFT (IEC 61000-4-4)±4 kV for Power Line
ESD (IEC 61000-4-2)±4 kV Contact for Each Terminal
±8 kV Air for Random Point
LED Indicators
StatusRun, Ethernet, I/O, PoE
Digital Input/Counter
Channels16
TypeDry Contact
Sink/Source (NPN/PNP)Source
ON Voltage LevelClose to GND
OFF Voltage LevelOpen
Max. Counts4,294,967,295 (32-bit)
Frequency100 Hz
Min. Pulse Width5 ms
Effective Distance500m (max.)
Ethernet
Ports2 x RJ-45, 10/100 Base-TX, Swtich Ports
PoEYes
LAN bypassYes
Access ControlID, Password and IP Filter
ProtocolModbus TCP, Modbus UDP
Power
Reverse Polarity ProtectionYes
Consumption4.1 W (max.)
Powered from PoEIEEE 802.3af, Class1
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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