What is a PLC Communication Interface and how does it facilitate data transfer in industrial environments?

A PLC Communication Interface is a crucial component that enables data exchange between Programmable Logic Controllers (PLCs) and other devices in industrial settings. It acts as a bridge, allowing PLCs to communicate with sensors, actuators, and other controllers, fostering seamless information flow for precise control and monitoring of automated processes.

How can two PLCs communicate with each other, and what hardware is typically required?

Two PLCs can communicate using various methods, including serial communication (RS-232, RS-485) or Ethernet. Hardware requirements often include communication modules or units compatible with the chosen communication protocol. These modules establish a reliable link, allowing PLCs to exchange data for coordinated operation.

What are the benefits of using an Ethernet-based communication unit for PLCs?

Ethernet-based communication units offer high-speed and reliable data transfer, making them ideal for industrial applications. They support larger data volumes, facilitate communication with multiple devices simultaneously, and provide a robust foundation for the integration of industrial systems.

Can you explain the role of a communication processing unit within a PLC system?

A communication processing unit in a PLC system manages the sending and receiving of data between the PLC and external devices. It interprets communication protocols, ensures data integrity, and plays a pivotal role in coordinating information flow for optimal control and monitoring of industrial processes.

What are the different types of communication units available for PLCs, and how do they compare?

Common communication units include RS-232, RS-485, and Ethernet modules. RS-232 is suitable for short-distance communication, RS-485 allows for longer distances and multiple devices, while Ethernet provides high-speed, long-range communication with robust data handling capabilities.

How does Mitsubishi's PLC communication unit integrate with existing systems, and what are its key features?

Mitsubishi's PLC communication unit seamlessly integrates with existing systems through its compatibility with various communication protocols. Key features include reliable data exchange, high-speed communication, and user-friendly configuration options, making it an efficient choice for diverse industrial applications.

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OMRON PLC (Communication Units)

PLC (Communication Units) products in the Electrical & Controls category from OMRON. The product can be selected based on many product specifications such as Communication Interface (Transmission Standard), Number of Ports, Connection Terminal, Representative Standard. OMRON offers products around 16 items and the product specifications can easily be compared. Parts and equipment for controlling machines and electrical systems. Controllers and power supplies. OMRON products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.

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Specification/Dimensions

Communication Interface (Transmission Standard)
- RS-232
- RS-422/485
- Ethernet
- Photonics
- Other
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Number of Ports
1

2

3
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Connection Terminal
Clear

Representative Standard
- CE
- UL
- CUL
- CSA
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Brand	IDEC (3) MITSUBISHI (72) OMRON (16) PANASONIC (3) Schneider Electric (2)
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Programmable Controller CP1L Communication Board

Until 30/06/2024

Programmable Controller CP1L Communication Board

OMRON

Programmable logic controller CP1 L communication option board. There are 7 types.

From: ฿ 1,650.00
Special Price
Days to Ship: Same day

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Serial Communication Board/Serial Communication Unit

Until 30/06/2024

Serial Communication Board/Serial Communication Unit

OMRON

Serial Communication Board / Serial Communication Unit

From: ฿ 11,870.00
Special Price
Days to Ship: 5 Day(s)

5 Day(s)

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Until 30/06/2024

CJ Series EtherNet/IP Unit

OMRON

PLC (communication unit) with a maximum tag data link capacity of 180,000 CH or more.
[Features]
・ CJ series EtherNet/IP unit
·Factory automation industry standard Ethernet. Global standard (Standardization)
・ World standard for factory automation industry with high openness and future potential
・ Industrial Ethernet, that ODVA promotes standardization around the world
・ Communicates with Omron components (temperature controllers, sensors, etc.) as well as a wide variety of equipment from companies around the world
・ No need to use differently between information LAN and dedicated control network
・ Seamless communication between control line and information monitoring line with EtherNet/IP
・ Since it is a standard LAN, it can coexist with Omron FINS message communication
・ Improve work efficiency with common tool operations
・ A large amount of tag data link can be easily done without a program just by setting a connection
・ Data can be exchanged with tag data links between up to 256 nodes using 256 connections
・ The maximum transmission/reception data capacity of 1 node is 722 CH / connection data connection can be set up to 256 connections per unit, and the total transmission/reception data can be up to 184,832 CH (There is no capacity limit on the network)
・ Guarantees data concurrency (up to 722 CH) on a per-connection basis
・ You can change the tag data link settings for individual units while using the tag data link in the network
・ With Network Configurator, you can monitor errors in the entire system with error diagnosis and a wide variety of status flags

From: ฿ 8,835.00
Special Price
Days to Ship: Same day

Same day

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CJ series Ethernet unit (100BASE-TX type)

Until 30/06/2024

CJ series Ethernet unit (100BASE-TX type)

OMRON

CJ Series Ethernet Unit (100BASE-TX Type)

From: ฿ 60,880.00
Special Price
Days to Ship: Same day

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Ethernet unit (100BASE-TX type) CS1W-ETN21

Until 30/06/2024

Ethernet unit (100BASE-TX type) CS1W-ETN21

OMRON

Ethernet Unit (100BASE-TX Type) CS1W-ETN21

From: ฿ 61,992.00
Special Price
Days to Ship: Same day

Same day

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SYSMAC CS Series EtherNet/IP Unit CS1W-EIP21

Until 30/06/2024

SYSMAC CS Series EtherNet/IP Unit CS1W-EIP21

OMRON

SYSMAC CS Series EtherNet/IP Unit CS1W-EIP21

From: ฿ 63,000.00
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Days to Ship: Same day

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NX Series Communication Interface Unit NX-CIF

Until 30/06/2024

NX Series Communication Interface Unit NX-CIF

OMRON

Connect serial devices to EtherCAT simply and flexibly

■ Features
· A unit width of only 12 mm realizes space saving
· Supports RS-232C and RS-422A/485. RS-232C 1-port and 2-port types are both available,
enabling many different serial devices to be used
· Both a screwless clamp terminal block (1-port type) and
D-Sub connector (2-port type) are available as the external connection terminal, greatly reducing the time required for wiring work
· The communication protocol supports non-procedural simple communication
· Max. 230.4‑kbps transmission speed. The transmission speed can be selected based on the connected serial device
· Unit setting data is backed up from the EtherCAT Coupler Unit. Improves maintainability
· The Sysmac Studio Serial Line Monitor function allows the communication status of serial devices to be visually checked
Devices can be started up simply and securely

From: ฿ 20,069.00
Special Price
Days to Ship: Same day

Same day

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Until 30/06/2024

Serial Communication Unit CJ1W-SCU

OMRON

Serial Communication Unit CJ1W-SCU

From: ฿ 40,078.00
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

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Until 30/06/2024

NX Series EtherCAT Coupler Unit NX-ECC

OMRON

Flexibly incorporate high-speed, high-precision remote I/O that supports EtherCAT into your system

■ Features
· Up to 63 NX units can be connected to a single coupler unit,
contributing to flexible system configuration and space saving *1
· High-speed remote I/O control with communications cycle as fast as 125 μs *2
· Different NX unit types can be configured as a single slave, reducing the number of connection nodes
· Safety units can be mixed together with standard units, integrating I/O control and safety control
· Distributed clock (DC) support enables highly precise synchronization control
· Units can be started up simply by configuring rotary switch settings on the main unit. Setting also possible by using a tool
· Thanks to the built-in USB port, slave tool settings can be configured even in environments with no controller

*1 Input per slave: max. 1,024 bytes; Output per slave: max. 1,024 bytes
*2 Combination of NX701-□□□□ and NX-ECC203

From: ฿ 5,618.00
Special Price
Days to Ship: Same day

Same day

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Until 30/06/2024

CJ Series Controller Link Unit CJ1W-CLK

OMRON

CJ Series Controller Link Unit CJ1W-CLK

From: ฿ 32,755.00
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

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NX Series EtherNet/IP Coupler Unit NX-EIC202

Until 30/06/2024

NX Series EtherNet/IP Coupler Unit NX-EIC202

OMRON

Supports factory automation industry's global standard network EtherNet/IP

■ Features
· Up to 63 NX units can be connected to a single coupler unit, contributing to flexible system configuration and space saving
· Different NX unit types can be configured as a single slave, reducing the number of connection nodes
· Safety units can be mixed together with standard units, integrating I/O control and safety control
· IP address labels, enabling visual recognition without using a tool
· Thanks to the built-in USB port, slave tool settings can be configured even in environments with no controller

From: ฿ 10,323.00
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

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RS-232C/RS-422A Conversion Unit NT-AL001

Until 30/06/2024

RS-232C/RS-422A Conversion Unit NT-AL001

OMRON

RS-232C/RS-422A Conversion Unit NT-AL001

From: ฿ 8,200.00
Special Price
Days to Ship: 5 Day(s)

5 Day(s)

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Until 30/06/2024

Controller Link unit/support board

OMRON

Controller Link Unit / Support Board

From: ฿ 34,794.00
Special Price
Days to Ship: 45 Day(s)

45 Day(s)

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Until 30/06/2024

CJ Series FL-net Unit

OMRON

PLC (communication unit) that easily achieves high-speed communication between multi-vendor controllers.
[Features]
·100BASE-TX compatible CJ series FL-net unit.
·Compliant with FL-net, a widely used standard.
·Supports cyclic transmission and message transmission.
·FINS communication is also possible for message transmission.
·Communication Function: FL-net (OPCN-2) version 2 specifications / data link function / message communication function.
·Number of units mountable to 1 CPU: Up to 4 units.
·Number of allocated units: For 1 unit.

From: ฿ 95,559.00
Special Price
Days to Ship: 50 Day(s)

50 Day(s)

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Until 30/06/2024

EJ1 Module Type Temperature Controller

OMRON

EJ1 Module Type Temperature Controller

From: ฿ 5,513.00
Special Price
Days to Ship: 45 Day(s)

45 Day(s)

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Until 30/06/2024

SYSMAC CS Series FL-net Unit CS1W-FLN22

OMRON

SYSMAC CS Series FL-net Unit CS1W-FLN22

From: ฿ 79,425.00
Special Price
Days to Ship: 6 Day(s)

6 Day(s)


Brand
Product Series
From
Days to Ship
Communication Interface (Transmission Standard)
Number of Ports
Connection Terminal
Representative Standard

	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/06/2024
Brand	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON	OMRON
Product Series	Programmable Controller CP1L Communication Board	Serial Communication Board/Serial Communication Unit	CJ Series EtherNet/IP Unit	CJ series Ethernet unit (100BASE-TX type)	Ethernet unit (100BASE-TX type) CS1W-ETN21	SYSMAC CS Series EtherNet/IP Unit CS1W-EIP21	NX Series Communication Interface Unit NX-CIF	Serial Communication Unit CJ1W-SCU	NX Series EtherCAT Coupler Unit NX-ECC	CJ Series Controller Link Unit CJ1W-CLK	NX Series EtherNet/IP Coupler Unit NX-EIC202	RS-232C/RS-422A Conversion Unit NT-AL001	Controller Link unit/support board	CJ Series FL-net Unit	EJ1 Module Type Temperature Controller	SYSMAC CS Series FL-net Unit CS1W-FLN22
From	฿ 1,650.00 Special Price On Sale Until 30/06/2024	฿ 11,870.00 Special Price On Sale Until 30/06/2024	฿ 8,835.00 Special Price On Sale Until 30/06/2024	฿ 60,880.00 Special Price On Sale Until 30/06/2024	฿ 61,992.00 Special Price On Sale Until 30/06/2024	฿ 63,000.00 Special Price On Sale Until 30/06/2024	฿ 20,069.00 Special Price On Sale Until 30/06/2024	฿ 40,078.00 Special Price On Sale Until 30/06/2024	฿ 5,618.00 Special Price On Sale Until 30/06/2024	฿ 32,755.00 Special Price On Sale Until 30/06/2024	฿ 10,323.00 Special Price On Sale Until 30/06/2024	฿ 8,200.00 Special Price On Sale Until 30/06/2024	฿ 34,794.00 Special Price On Sale Until 30/06/2024	฿ 95,559.00 Special Price On Sale Until 30/06/2024	฿ 5,513.00 Special Price On Sale Until 30/06/2024	฿ 79,425.00 Special Price On Sale Until 30/06/2024
Days to Ship	Same day	5 Day(s)	Same day	Same day	Same day	Same day	Same day	3 Day(s)	Same day	3 Day(s)	3 Day(s)	5 Day(s)	45 Day(s)	50 Day(s)	45 Day(s)	6 Day(s)
Communication Interface (Transmission Standard)	RS-232 / RS-422/485 / Ethernet	RS-232 / RS-422/485	Ethernet	Ethernet	Ethernet	Ethernet	RS-232 / RS-422/485	RS-232 / RS-422/485	Other	Other	Ethernet	RS-232 / RS-422/485	Photonics / Other	Other	RS-422/485	Other
Number of Ports	1 ～ 2	2	-	-	-	-	1 ～ 2	2	-	-	3	1	-	-	-	-
Connection Terminal	Terminal Block / Connector	Connector	Connector	Connector	Connector	Connector	Terminal Block / Connector	Connector	-	Terminal Block	Terminal Block	Terminal block/connector	Connector	Connector	Terminal Block / Terminal block/connector	Connector
Representative Standard	CE / UL / CUL / CSA	CE / UL / CUL / CSA	CE / UL / CUL / CSA	CE / UL / CUL / CSA	CE / UL / CUL / CSA	CE / UL / CUL / CSA	CE / UL / CSA	CE / UL / CUL / CSA	CE / UL / CUL / CSA	CE / UL / CUL / CSA	CE / UL / CUL / CSA	-	CE / UL / CUL / CSA	CE / UL / CUL / CSA	-	CE / UL / CUL / CSA

Related Categories to PLC (Communication Units)

FAQ PLC (Communication Units)

Question: What is a PLC Communication Interface and how does it facilitate data transfer in industrial environments?: Answer: A PLC Communication Interface is a crucial component that enables data exchange between Programmable Logic Controllers (PLCs) and other devices in industrial settings. It acts as a bridge, allowing PLCs to communicate with sensors, actuators, and other controllers, fostering seamless information flow for precise control and monitoring of automated processes.
Question: How can two PLCs communicate with each other, and what hardware is typically required?: Answer: Two PLCs can communicate using various methods, including serial communication (RS-232, RS-485) or Ethernet. Hardware requirements often include communication modules or units compatible with the chosen communication protocol. These modules establish a reliable link, allowing PLCs to exchange data for coordinated operation.
Question: What are the benefits of using an Ethernet-based communication unit for PLCs?: Answer: Ethernet-based communication units offer high-speed and reliable data transfer, making them ideal for industrial applications. They support larger data volumes, facilitate communication with multiple devices simultaneously, and provide a robust foundation for the integration of industrial systems.
Question: Can you explain the role of a communication processing unit within a PLC system?: Answer: A communication processing unit in a PLC system manages the sending and receiving of data between the PLC and external devices. It interprets communication protocols, ensures data integrity, and plays a pivotal role in coordinating information flow for optimal control and monitoring of industrial processes.
Question: What are the different types of communication units available for PLCs, and how do they compare?: Answer: Common communication units include RS-232, RS-485, and Ethernet modules. RS-232 is suitable for short-distance communication, RS-485 allows for longer distances and multiple devices, while Ethernet provides high-speed, long-range communication with robust data handling capabilities.
Question: How does Mitsubishi's PLC communication unit integrate with existing systems, and what are its key features?: Answer: Mitsubishi's PLC communication unit seamlessly integrates with existing systems through its compatibility with various communication protocols. Key features include reliable data exchange, high-speed communication, and user-friendly configuration options, making it an efficient choice for diverse industrial applications.