Ethernet Programmable Logic Controllers (PLC)
Last Updated: January 31, 2025
Description
Ethernet Programmable Logic Controllers (PLCs) are specialized computing devices designed to manage and control industrial processes. They are equipped with Ethernet communication capabilities, allowing them to connect and communicate with other devices and systems over a network. This enables real-time data exchange and integration with various industrial applications, enhancing the efficiency and flexibility of automation systems.
Working Principle
Ethernet PLCs operate by receiving input data from connected sensors and devices, processing this data according to pre-programmed instructions, and then sending output commands to actuators and other control elements. The integration of Ethernet communication allows these PLCs to facilitate seamless data transfer and coordination between multiple devices and systems. This capability is particularly useful in complex industrial environments where real-time monitoring and control are essential. Ethernet PLCs are valuable because they provide a robust and scalable solution for industrial automation, enabling efficient process control and data management.
Applications
Ethernet PLCs are widely used in various industrial applications. For example, they are employed in automation process robots, where they control and monitor the operations of industrial robots. These PLCs are also used in manufacturing plants to manage and optimize production processes by coordinating the activities of sensors, actuators, and other control devices. Additionally, Ethernet PLCs are utilized in remote monitoring systems, where they enable the collection and transmission of process data to remote locations for analysis and decision-making.
Advantages over other Programmable Logic Controllers (PLC)
One of the key advantages of Ethernet PLCs over traditional PLCs is their enhanced communication capabilities. Ethernet PLCs can easily connect to and communicate with other devices and systems over a network, providing greater flexibility and scalability in industrial automation applications. This allows for more efficient data exchange and integration, which can lead to improved process control and optimization. Additionally, Ethernet PLCs often support advanced programming techniques and standards, such as object-oriented programming, which can enhance their functionality and adaptability to complex industrial environments.
Limitations
Despite their advantages, Ethernet PLCs have certain limitations. For instance, there is a limit to the amount of input/output (I/O) they can handle, which may restrict their use in applications requiring extensive I/O configurations. Additionally, while some Ethernet PLCs support advanced programming techniques, others may still rely on traditional programming methods, such as ladder logic, which can limit their programming sophistication and flexibility.
Considerations
When considering the implementation of Ethernet PLCs, several factors should be taken into account. Initial costs can vary depending on the complexity and capabilities of the PLC system. Operating expenses may also be influenced by the need for network infrastructure and maintenance. Durability and accuracy are important considerations, as Ethernet PLCs must be able to withstand industrial environments and provide precise control. Replacement and maintenance costs should also be evaluated, as these can impact the overall cost-effectiveness of the system. It is essential to assess these factors to ensure that the chosen Ethernet PLC solution meets the specific needs and requirements of the application.
from RS Components, Ltd.
Omron NX1P21040DT1 PLC CPU [See More]
- Network Options: Ethernet; Ethercat, ethernet/ip
- Outputs: 16
- Inputs: 24
- Input: DC Input; Dc
from Sichuan Odot Automation System Co., Ltd.
#183; Supports optional Profinet and EtherCAT masters, with future support for IO-Link, EtherNet/P, and more. · The world's first commercially available IEC61499+Profinet solution utilizes IEC61499 standards, including distributed, hardware-software decoupling, and object-oriented design. [See More]
- Network Options: Ethernet
- Mounting Options: DIN Rail
- Program Languages: IEC61131-3; IEC61499
- Operating Temperature: -4 to 140
from ifm efector inc.
With integrated fieldbus interface and PLC. Reliable and fast data exchange with the sensor actuator level. Color display for indicating the status of all AS-i slaves. User-friendly and simple configuration, set-up and diagnosis. Quick-setup menu with intuitive operation. From May 1st 2025, products... [See More]
- Network Options: Ethernet; EtherCAT
- Computer Interface Options: Ethernet; OPC-UA
- Programming Options: Front Panel
- Power: 18~32 DC
from DigiKey
OPTA RS485 [See More]
- Network Options: Ethernet
- Outputs: 4
- Inputs: 8
- Input: Analog Input; Digital
from RS Components, Ltd.
Omron NX1P29024DT1 PLC CPU [See More]
- Network Options: Ethernet; Ethercat, ethernet/ip
- Outputs: 16
- Inputs: 14
- Input: DC Input; Dc
from ifm efector inc.
powerful 32 bit triple core controllers with large application memory. With many multifunctional configurable inputs and outputs. High-performance CAN and Ethernet interfaces for various communication tasks. Freely programmable to IEC 61131-3 with CODESYS 3.5. From May 1st 2025, products produced in... [See More]
- Network Options: Ethernet; CANbus; CANopen; SAE J1939; free protocol
- Input: Analog Input; Frequency or Pulse; Resistance
- Maximum Channels: 37
- Output: Analog Output; Frequency or Pulse; Digital
from DigiKey
MAX31855KASA+T, MAX31865ATP+T, SP335ECR1-L, TJA1049T/3J Arduino Portenta Machine Control - Embedded Evaluation Board [See More]
- Network Options: Ethernet
- Outputs: 12
- Inputs: 11
- Input: Analog Input; Digital
from RS Components, Ltd.
Siemens 6BK1700-0BA20-0AA0 [See More]
- Network Options: Ethernet; Ethernet
- Outputs: 2
- Inputs: 2
- Input: Digital
from ifm efector inc.
Freely programmable to IEC 61131-3 with CODESYS 3.5. High-performance CAN interface for various communication tasks. Multifunctional inputs and current-controlled outputs ensure maximum adaptability. Can be used as a safety controller up to SIL2/PL d when combined with a T ÜV-certified software... [See More]
- Network Options: Ethernet; CANbus; CANopen; SAE J1939
- Input: Analog Input; Frequency or Pulse; Resistance
- Maximum Channels: 32
- Output: Frequency or Pulse; Digital
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 24VDC [See More]
- Network Options: Ethernet
- Computer Interface Options: Single Serial Interface; Ethernet
- Program Memory: 576
- Software: FPWINGR7, FPWINPRO7
from RS Components, Ltd.
Eaton 197215 EASY-E4-AC-12RC1 [See More]
- Network Options: Ethernet; Ethernet
- Outputs: 4
- Inputs: 8
- Input: Digital
from ifm efector inc.
powerful 32 bit triple core controllers with large application memory. Certified as safety controller with CANopen Safety support. Scalable inputs and outputs for standard and safety applications. High-performance CAN and Ethernet interfaces for various communication tasks. Freely programmable to... [See More]
- Network Options: Ethernet; CANbus
- Input: Analog Input; Frequency or Pulse; Resistance
- Maximum Channels: 98
- Output: Analog Output; Frequency or Pulse; Digital
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 24VDC [See More]
- Network Options: Ethernet
- Computer Interface Options: Single Serial Interface; Ethernet
- Program Memory: 976
- Software: FPWINGR7, FPWINPRO7
from RS Components, Ltd.
Eaton 197216 EASY-E4-AC-12RCX1 [See More]
- Network Options: Ethernet; Ethernet
- Outputs: 4
- Inputs: 8
- Input: Digital
from DigiKey
Programmable Logic Controller (PLC) 24VDC [See More]
- Network Options: Ethernet
- Outputs: 16
- Inputs: 16
- Input: Digital
from RS Components, Ltd.
Eaton 197222 EASY-E4-AC-16RE1 Module [See More]
- Network Options: Ethernet; Ethernet
- Outputs: 8
- Inputs: 8
- Input: Digital
from DigiKey
Programmable Logic Controller (PLC) 24VDC [See More]
- Network Options: Ethernet
- Outputs: 16
- Inputs: 16
- Input: Digital
from RS Components, Ltd.
Eaton 197224 EASY-E4-DC-4PE1 Module [See More]
- Network Options: Ethernet; Ethernet
- Input: Analog Input; Analogue
- Inputs: 4
- Programming Options: Hmi
from DigiKey
EDGELOGIX-RPI-1000-CM4102032 [See More]
- Network Options: Ethernet
- Outputs: 12
- Inputs: 12
- Input: Digital
from RS Components, Ltd.
Micro820 Starter Pack RS [See More]
- Network Options: Ethernet; Ethernet USB
- Input: Analog Input; Analogue, Digital
- Inputs: 12
- Output: Relay Output; Relay
from DigiKey
EDGEBOX-RPI-200 CM4108032 PI [See More]
- Network Options: Ethernet
- Outputs: 2
- Inputs: 2
- Input: Digital
from RS Components, Ltd.
Micro850 Starter Pack Lite RS [See More]
- Network Options: Ethernet; Ethernet, USB
- Input: Analog Input; Analogue, Digital
- Inputs: 8
- Output: Digital
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 24VDC [See More]
- Network Options: Ethernet
- Outputs: 16
- Inputs: 24
- Input: Digital
from RS Components, Ltd.
Micro850 Starter Pack RS [See More]
- Network Options: Ethernet; Ethernet, USB
- Input: Analog Input; Analogue, Digital
- Inputs: 14
- Output: Digital
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 12VDC [See More]
- Network Options: Ethernet
- Outputs: 16
- Inputs: 24
- Input: Digital
from RS Components, Ltd.
Schneider Electric TM262L20MESE8T [See More]
- Network Options: Ethernet; Ethernet ip/modbus tcp, serial link, modbus rtu and ascii, http, https
- Outputs: 4
- Inputs: 4
- Input: Digital
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 12VDC [See More]
- Network Options: Ethernet
- Outputs: 16
- Inputs: 24
- Input: Digital
from RS Components, Ltd.
Siemens 6AG1221-1BF32-4XB0 [See More]
- Network Options: Ethernet; Ethernet
- Output: Digital
- Outputs: 8
- Agency Approval: RoHS Certified
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 24VDC [See More]
- Network Options: Ethernet
- Outputs: 16
- Inputs: 24
- Input: Digital
from RS Components, Ltd.
Siemens 6AG1226-6BA32-5XB0 [See More]
- Network Options: Ethernet; Ethernet
- Output: Digital
- Outputs: 16
- Agency Approval: RoHS Certified
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 24VDC [See More]
- Network Options: Ethernet
- Outputs: 16
- Inputs: 16
- Input: Digital
from RS Components, Ltd.
Siemens 6AG1234-4HE32-4XB0 [See More]
- Network Options: Ethernet; Ethernet
- Output: Digital
- Outputs: 4
- Agency Approval: RoHS Certified
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 24VDC [See More]
- Network Options: Ethernet
- Outputs: 16
- Inputs: 16
- Input: Digital
from RS Components, Ltd.
SIPLUS S7-1200 PM 1207 for medial exposu [See More]
- Network Options: Ethernet; Ethernet
- Agency Approval: RoHS Certified
- Input: Digital
- Operating Temperature: -40 to 158
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 24VDC [See More]
- Network Options: Ethernet
- Outputs: 16
- Inputs: 24
- Input: Digital
from RS Components, Ltd.
SIPLUS S7-1200 CM1241 RS422/485 T1 RAIL [See More]
- Network Options: Ethernet; Ethernet
- Agency Approval: RoHS Certified
- Input: Digital
- Operating Temperature: -40 to 158
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 100 ~ 240VAC [See More]
- Network Options: Ethernet
- Outputs: 16
- Inputs: 24
- Input: Digital
from RS Components, Ltd.
Siemens 6ES7226-6RA32-0XB0 [See More]
- Network Options: Ethernet; Ethernet
- Input: Digital
- Outputs: 2
- Agency Approval: RoHS Certified
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 24VDC [See More]
- Network Options: Ethernet
- Outputs: 16
- Inputs: 24
- Input: Digital
from RS Components, Ltd.
SIMATIC S7-1200 SM 1238, AI energy meter [See More]
- Network Options: Ethernet; Ethernet
- Operating Temperature: -40 to 158
- Agency Approval: RoHS Certified
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 24VDC [See More]
- Network Options: Ethernet
- Outputs: 8
- Inputs: 8
- Input: Digital
from RS Components, Ltd.
Siemens 6ES7274-1XK30-0XA0 [See More]
- Network Options: Ethernet; Ethernet
- Input: Digital
- Outputs: 14
- Agency Approval: RoHS Certified
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 24VDC [See More]
- Network Options: Ethernet
- Outputs: 8
- Inputs: 8
- Input: Digital
from RS Components, Ltd.
Schneider Electric BMEH582040S PLC CPU [See More]
- Network Options: Ethernet; Ethernet USB
- Operating Temperature: -13 to 140
- Agency Approval: RoHS Certified
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 24VDC [See More]
- Network Options: Ethernet
- Outputs: 18
- Inputs: 30
- Input: Analog Input; Digital
from RS Components, Ltd.
Schneider Electric BMENOP0300 [See More]
- Network Options: Ethernet; Ethernet
- Operating Temperature: 32 to 140
- Agency Approval: RoHS Certified
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 24VDC [See More]
- Network Options: Ethernet
- Outputs: 16
- Inputs: 24
- Input: Analog Input; Digital
from RS Components, Ltd.
Schneider Electric TM258LF42DT4L PLC CPU [See More]
- Network Options: Ethernet; Ethernet
- Outputs: 16
- Inputs: 26
- Input: Analog Input; Analogue, digital
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 24VDC [See More]
- Network Options: Ethernet
- Outputs: 10
- Inputs: 14
- Input: Digital
from RS Components, Ltd.
Schneider Electric TM241CEC24R PLC CPU [See More]
- Network Options: Ethernet; Ethernet, modbus, profibus dp, usb
- Outputs: 10
- Inputs: 14
- Input: Discrete
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 100 ~ 240VAC [See More]
- Network Options: Ethernet
- Outputs: 10
- Inputs: 14
- Input: Digital
from RS Components, Ltd.
Schneider Electric TM251MESE [See More]
- Network Options: Ethernet; Ethernet, rs232, rs485, usb
- Mounting Options: Din rail
- Programming Options: Mini usb
- Agency Approval: RoHS Certified
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 24VDC [See More]
- Network Options: Ethernet
- Outputs: 16
- Inputs: 24
- Input: Analog Input; Digital
from RS Components, Ltd.
Schneider Electric TM241CEC24U PLC CPU [See More]
- Network Options: Ethernet; Ethernet, modbus, profibus dp, usb
- Outputs: 10
- Inputs: 14
- Input: Discrete
from DigiKey
Programmable Logic Controller (PLC) DIN Rail 100 ~ 240VAC [See More]
- Network Options: Ethernet
- Outputs: 8
- Inputs: 16
- Input: Digital
from ifm electronic gmbh
With integrated fieldbus interface and fail-safe PLC. Reliable and fast data exchange with the sensor actuator level. Colour display for indicating the status of all AS-i slaves. User-friendly and simple configuration, set-up and diagnosis. Quick-setup menu with intuitive operation [See More]
- Network Options: Ethernet; EtherCAT
- Computer Interface Options: Ethernet
- Programming Options: Front Panel
- Power: 18~32 DC
from Delta Electronics (Americas)
The Delta Compact Modular Mid-range PLC AS Series is a high performance multi-purpose controller designed for all kinds of automated equipment. It features Delta's self-developed 32-bit SoC CPUs for enhanced execution speed (40 k steps/ms) and supports up to 32 extension modules or up to 1,024... [See More]
- Network Options: Ethernet; EtherNet/IP (Master/Scanner), Modbus
- Inputs: 16
- Total Points: 32
- Outputs: 16
from Schneider Electric
Industrial Machine Controllers (PLC). Programming software for Twido. Nano PLC with a focus on HVAC and pumping control solutions. The Modicon M258 high-performance PLC is made to control large and complex machines. Programs with SoMachine software. Uses TM5 expansion I/O. Obsolete December 2016. [See More]
- Network Options: Ethernet; Profibus
- Inputs: 32
- Total Points: 42
- Outputs: 32
from Mitsubishi Electric Automation, Inc.
The FX3S is the fit-and-forget PLC solution for space and cost conscious applications requiring up to 30 I/O. This minimum-expandability, battery-less maintenance free controller is perfect for handling straightforward processes and can be hidden away in locations without regular maintenance... [See More]
- Network Options: Ethernet
- Expandable: Expandable
- Total Points: 30
- Input: DC Input
from Shenyang Vhandy Technology Co., Ltd.
GCAN-PLC series. GCAN-PLC-400: 1*CAN+1*Ethernet+1*RS232 (or RS485). CPU frequency: 168M. Program storage: 16M. Data storage: 512K. GCAN-PLC-510: 1*CAN+1*Ethernet+1*RS232 (or RS485). CPU frequency: 400M. Program storage: 32M. Data storage: 16M. GCAN-PLC-511: 2*CAN+1*Ethernet+1*RS232+1*RS485. CPU... [See More]
- Network Options: Ethernet; CANbus; CAN, Ethernet, RS232/485, Follow ISO 11898, support CANopen/Modbus RTU/Modsbus TCP, can be used as master or slave station
- Outputs: 64
- Inputs: 64
- Computer Interface Options: CAN, Ethernet, RS232/485, Follow ISO 11898, support CANopen/Modbus RTU/Modsbus TCP, can be used as master or slave station
from Galil
The RIO-471x0 is a compact PLC with Ethernet that is smart, easy-to-use and cost-effective. The RIO contains a fast RISC processor for handling I/O logic and is programmed using Galil's intuitive command language or using Galil's Ladder Interface software. [See More]
- Network Options: Ethernet
- Inputs: 8
- Total Points: 16
- Outputs: 8
from Iwaki America and Walchem, IWAKI America Inc
Walchem ’s WIND WebMaster ® sets a new standard for Industrial Water Treatment Controllers. The WIND WebMaster ® has a flexible multi-input/output platform, a wide range of analytical sensor measurement capabilities, and an extensive assortment of integrated communications and data... [See More]
- Network Options: Ethernet; Modbus, TCP/IP
- Inputs: 15
- Total Points: 23
- Outputs: 8
from ifm electronic gmbh
Set for familiarising yourself with mobile controllers and displays. With powerful and easily accessible CAN and Ethernet interface. With I/O simulator box for easy setting of inputs and outputs. Can be used immediately thanks to pre-assembly. article can only be ordered once per customer [See More]
- Network Options: Ethernet; CANbus
- Computer Interface Options: CAN; Ethernet
- Programming Options: Front Panel
- Power: 12~24 DC
from Mitsubishi Electric Automation, Inc.
The L Series is Mitsubishi's newest controller line, donning an innovative and easy-to-expand rack-free design. The single-CPU architecture includes built-in Ethernet and Mini-USB interfaces, a SD/SDHC memory card slot for program storage and data logging, and 24 I/O for positioning and high-speed... [See More]
- Network Options: Ethernet
- Inputs: 10
- Total Points: 18
- Outputs: 8
from Shenyang Vhandy Technology Co., Ltd.
GCAN-PLC series. GCAN-PLC-400: 1*CAN+1*Ethernet+1*RS232 (or RS485). CPU frequency: 168M. Program storage: 16M. Data storage: 512K. GCAN-PLC-510: 1*CAN+1*Ethernet+1*RS232 (or RS485). CPU frequency: 400M. Program storage: 32M. Data storage: 16M. GCAN-PLC-511: 2*CAN+1*Ethernet+1*RS232+1*RS485. CPU... [See More]
- Network Options: Ethernet; CANbus; CAN, Ethernet, RS232/485, Follow ISO 11898, support CANopen/Modbus RTU/Modsbus TCP, can be used as master or slave station
- Outputs: 64
- Inputs: 64
- Computer Interface Options: CAN, Ethernet, RS232/485, Follow ISO 11898, support CANopen/Modbus RTU/Modsbus TCP, can be used as master or slave station
from Shenyang Vhandy Technology Co., Ltd.
GCAN-PLC series. GCAN-PLC-400: 1*CAN+1*Ethernet+1*RS232 (or RS485). CPU frequency: 168M. Program storage: 16M. Data storage: 512K. GCAN-PLC-510: 1*CAN+1*Ethernet+1*RS232 (or RS485). CPU frequency: 400M. Program storage: 32M. Data storage: 16M. GCAN-PLC-511: 2*CAN+1*Ethernet+1*RS232+1*RS485. CPU... [See More]
- Network Options: Ethernet; CANbus; CAN, Ethernet, RS232/485, Follow ISO 11898, support CANopen/Modbus RTU/Modsbus TCP, can be used as master or slave station
- Outputs: 64
- Inputs: 64
- Computer Interface Options: CAN, Ethernet, RS232/485, Follow ISO 11898, support CANopen/Modbus RTU/Modsbus TCP, can be used as master or slave station
from Shenyang Vhandy Technology Co., Ltd.
GCAN-PLC series. GCAN-PLC-400: 1*CAN+1*Ethernet+1*RS232 (or RS485). CPU frequency: 168M. Program storage: 16M. Data storage: 512K. GCAN-PLC-510: 1*CAN+1*Ethernet+1*RS232 (or RS485). CPU frequency: 400M. Program storage: 32M. Data storage: 16M. GCAN-PLC-511: 2*CAN+1*Ethernet+1*RS232+1*RS485. CPU... [See More]
- Network Options: Ethernet; CANbus; CAN, Ethernet, RS232/485, Follow ISO 11898, support CANopen/Modbus RTU/Modsbus TCP, can be used as master or slave station
- Outputs: 64
- Inputs: 64
- Computer Interface Options: CAN, Ethernet, RS232/485, Follow ISO 11898, support CANopen/Modbus RTU/Modsbus TCP, can be used as master or slave station
from Shenyang Vhandy Technology Co., Ltd.
GCAN-PLC series. GCAN-PLC-400: 1*CAN+1*Ethernet+1*RS232 (or RS485). CPU frequency: 168M. Program storage: 16M. Data storage: 512K. GCAN-PLC-510: 1*CAN+1*Ethernet+1*RS232 (or RS485). CPU frequency: 400M. Program storage: 32M. Data storage: 16M. GCAN-PLC-511: 2*CAN+1*Ethernet+1*RS232+1*RS485. CPU... [See More]
- Network Options: Ethernet; CANbus; CAN, Ethernet, RS232/485, Follow ISO 11898, support CANopen/Modbus RTU/Modsbus TCP, can be used as master or slave station
- Outputs: 64
- Inputs: 64
- Computer Interface Options: CAN, Ethernet, RS232/485, Follow ISO 11898, support CANopen/Modbus RTU/Modsbus TCP, can be used as master or slave station
from Shenyang Vhandy Technology Co., Ltd.
GCAN-PLC series. GCAN-PLC-400: 1*CAN+1*Ethernet+1*RS232 (or RS485). CPU frequency: 168M. Program storage: 16M. Data storage: 512K. GCAN-PLC-510: 1*CAN+1*Ethernet+1*RS232 (or RS485). CPU frequency: 400M. Program storage: 32M. Data storage: 16M. GCAN-PLC-511: 2*CAN+1*Ethernet+1*RS232+1*RS485. CPU... [See More]
- Network Options: Ethernet; CANbus; CAN, Ethernet, RS232/485, Follow ISO 11898, support CANopen/Modbus RTU/Modsbus TCP, can be used as master or slave station
- Outputs: 64
- Inputs: 64
- Computer Interface Options: CAN, Ethernet, RS232/485, Follow ISO 11898, support CANopen/Modbus RTU/Modsbus TCP, can be used as master or slave station