PET-7251

$449.00

PoE Ethernet I/O Module with 2-port Ethernet Switch, with 16-ch Digital Input (32-bit Counters). DIN-Rail Mountable, Communicable over Modbus TCP. Support both Modbus TCP and Modbus UDP Protocols. Built-in Web Server. Has operating temperature range of -30°C ~ +75°C (-22°F ~ +167°F)

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Categories:	PoE Modbus TCP Based Dual Ethernet Port I/O Modules \| PoE Ethernet Modbus TCP I/O Modules
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Resources:	User's Manual Quick Start Data Sheet Firmware MiniOS7 Image MiniOS7 Utility Register Tables NAPOPC_ST DA Server CE FCC EZ Data Logger Software

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 k
Counters	Max. Count	4,294,967,285 (32 bits)
	Max. Input Frequency	100 Hz
	Min. Pulse Width	5 ms
Overvoltage Protection		+70 VDC