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Module 2 cổng Ethernet Modbus TCP 16 kênh đầu vào số DI (wet) ICP DAS ET-2251

Ethernet I/O Module with 16-ch DI

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Model: ET-2251
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Module 2 cổng Ethernet Modbus TCP 16 kênh đầu vào số DI (wet) ICP DAS ET-2251

Providing various digital I/O functions, the ET-2251 module is an Ethernet I/O monitoring and control module. The module can be remotely controlled through a 10/100 M Ethernet network by using Modbus TCP/UDP protocol. Modbus has become a de facto standard communications protocol in industry, and is now the most commonly available means of connecting industrial electronic devices. This makes the ET-2251 module perfect integration with the HMI, SCADA, PLC and other software systems.

The ET-2251 provides 16 wet contact & dry contact Digital Input channels. With 2 Ethernet ports, the ET-2251 allows daisy chain connection which permits the flexibility in locating devices, eases installation and lowers infrastructure costs. It features 8 kV ESD protection, 4 kV EFT protection, 3 kV surge and 3000 VDC I/O isolation are also provided to enhance noise protection capabilities in industrial environments. Each input channel can be used as a 32-bit counter.

The module can be used to create DI to DO pair-connect through the Ethernet. After configuration, the ET-2251 module can poll the status of the local DI channels and then use the Modbus/TCP protocol to continuously write to the remote DO devices.

It is equipped with removable terminal block connector for easy and robust wiring in industrial situations, and features a powerful 32-bit ARM MCU to handle efficient network trafficking.

Factory, Building and Home Automation Remote Maintenance

Software
Built-in Web Server Yes
CPU Module
CPU 32-bit ARM
Watchdog Timer Module, Communication (Programmable)
Isolation
2-way Isolation Ethernet: 1500 VDC
I/O: 3000 VDC
EMS Protection
EFT (IEC 61000-4-4) ±4 kV for Power Line
ESD (IEC 61000-4-2) ±8 kV Contact for Each Terminal
±16 kV Air for Random Point
Surge (IEC 61000-4-5) ±3 kV for Power Line
LED Indicators
Status Run, Ethernet, I/O
Digital Input/Counter
Channels 16
Type Dry Contact
Wet Contact
Sink/Source (NPN/PNP) Dry: Source
Wet: Sink/Source
ON Voltage Level Dry: Close to GND
Wet: +5 to +50 VDC
OFF Voltage Level Dry: Open
Wet: +1 VDC (max.)
Max. Counts 4,294,967,295 (32-bit)
Frequency 3 kHz
Input Impedance 7.5 kΩ
Overvoltage Protection +70 VDC
Low Pass Filter 1 to 6500 ms (0.08 Hz to 500 Hz)
Ethernet
Ports 2 x RJ-45, 10/100 Base-Tx, Switch Ports
LAN bypass Yes
Security Password and IP Filter
Protocol Modbus TCP, Modbus UDP, and MQTT
Power
Reverse Polarity Protection Yes
Consumption 2.9 W (max.)
Powered from Terminal Block +10 to +30 VDC
Mechanical
Casing Plastic
Dimensions (mm) 33 x 126 x 108 (W x L x H)
Installation DIN-Rail mounting
Environment
Operating Temperature -25 to +75 °C
Storage Temperature -40 to +80 °C
Humidity 10 to 90% RH, Non-condensing
ET-2251     CR  Ethernet I/O Module with 2-port Ethernet Switch and 16-ch DI (RoHS)
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