PoE Ethernet I/O Module with 2-port Ethernet Switch, with 16-ch Digital Input (32-bit Counters). Support both Modbus TCP and Modbus UDP Protocols.  Built-in Web Server. Has operating temperature range of -25°C ~ +75°C (-13°F ~ +167°F)

PET-7251

PoE Ethernet I/O Module with 2-port Ethernet Switch, with 16-ch Digital Input (32-bit Counters). Support both Modbus TCP and Modbus UDP Protocols. Built-in Web Server. Has operating temperature range of -25°C ~ +75°C (-13°F ~ +167°F)

  Price:  $369.00  

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Features

PET-7251 Application Image

  • 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: 16 Channels

The ET-7051/PET-7051/ET-7251/PET-7251 provides 16 wet contact digital input channels. Each input channel can be used as a 32-bit counter. It features optical isolation for 3750 Vrms of transient overvoltage protection but doesn’t provide channel-to-channel isolation. It can safely be used in applications where hazardous voltages are present.

Specifications

Software
Built-In Web Server Yes
Web HMI Yes
I/O Pair Connection Yes
Communication
Ethernet Port 2 x RJ-45, 10/100 Base-TX, Swtich Ports
PoE Yes
Protocol Modbus/TCP, Modbus/UDP
Security ID, Password and IP Filter
Dual Watchdog Yes, Module (0.8 second), Communication (Programmable)
LED Indicators
for System Running Yes
for Ethernet Link/Act Yes
for DI/DO status Yes
for PoE Power Yes
2-Way Isolation
Ethernet -
I/O 2500 VDC
EMS Protection
ESD (IEC 61000-4-2) 4 kV Contact for Each Terminal and 8 kV Air for Random Point
EFT (IEC 61000-4-4) +/-4 kV for Power
Power Requirements
Reverse Polarity Protection Yes
Powered from Terminal Block 12 ~ 48 VDC
Powered from PoE Yes, IEEE 802.3af, Class1
Consumption 3.1 W
Mechanical
Dimensions (W x L x H) 76 mm x 120 mm x 38 mm
Installation DIN-Rail or Wall mounting
Environmental
Operating Temperature -25°C ~ +75°C (-13°F ~ +167°F)
Storage Temperature -30°C ~ +80°C (-22°F ~ +176°F)
Humidity 10 ~ 90% RH, Non-condensing

I/O Specifications

Digital Input/Counter
Channels 16
Contact Wet Contact
Sink/Source (NPN/PNP) Sink/Source
On Voltage Level +10 VDC ~ +50 VDC
Off Voltage Level +4 VDC Max.
Input Impedance 10 kΩ
Counters Max. Count 4,294,967,285 (32 bits)
Max. Input Frequency 100 Hz
Min. Pulse Width 5 ms
Overvoltage Protection +70 VDC

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