Codesys PLC Modbus TCP Programable Controller

Codesys PLC Modbus TCP Programable Controller

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Product Description

Product Attributes

Model No.: B2341 PLC

Packaging & Delivery

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Product Description

B2341 Codesys PLC Modbus TCP Programable Controller

The B2341 programming environment is Codesys, a programmable controller that follows the IEC61131-3 international standard, and supports five programming languages: ladder diagram (LD), instruction list (IL), structured text (ST), function block diagram (CFC), and sequential function diagram (SFC).

The maximum number of expansion modules is 4, the user program storage supports 1 Mbytes, the power-down protection zone is 4 Kbytes, and Modbus TCP client and server are supported.

It has rich instructions, reliable functions, good adaptability, compact structure, easy to expand, cost-effective, strong versatility, programming, monitoring, debugging, and on-site operation are very convenient, and the Ethernet interface on the CPU supports Modbus TCP client function, and supports access to the data of the third-party Modbus TCP server.

Supports Modbus TCP server function and supports third-party Modbus TCP clients to access data.

Supported I/O expansion modules include:

A. Digital input module B. Digital output module C. Analog input module

D. Analog output module E. Special function module

Technical Parameters

General Parameters
System Power	Supply: 19.2-28.8VDC (nominal: 24VDC) Protection: power supply anti-reverse polarity protection
Power Consumption	100mA @ 24VDC
Internal BUS Supply Current	Max.2.5A @ 5.0VDC
Isolation	The system power to field power: isolation
IO Modules Supported	B32:2 B64:4
Wiring	Max.1.5mm² (AWG 17)
Environment Specification
Operating Temperature of Vertical Installation	-20℃~60℃
Operating Temperature of Horizontal Installation	-20℃~50℃
Relative Humidity	5%~95%RH, no condensation
Storage Temperature	-40℃~85℃
Storage Humidity	5%~95%RH, no condensation
Ingress Protection Rating	IP20
EMC specifications	Comply with IEC61131-2, IEC61000-4
Programming Specifications
Programming Software	Codesys V3.5.19.70
Programming Language	IEC61131-3(LD, IL, ST, CFC, SFC)
Maximum Task Status	5
Program Memory	1M Bytes
Data Storage	1M Bytes
Power-down Protection Area	3K Bytes
Maximum Expansion Module Input	1K Bytes
Maximum Expansion Module Output	1K Bytes
Maximum Number of Tasks	5
Bitwise Operations Cycle	0.21us
Word Operation Cycle	0.21us
Double Word Operation Cycle	0.64us
Minimum Program Run Cycle	1ms
RTC	Not supported
Communication Parameters
Communication Interface	2*RJ45
Network Port Parameters	10/100Mbpa self-adaptive, full-duplex
Modbus TCP Client	Supports up to 5 Modbus TCP server connections
Modbus TCP Server	Supports up to 5 Modbus TCP client connections

FQA

Q：What programming languages and development standards does the B2341 PLC support?

A：The B2341 is developed in the CODESYS environment and fully complies with the IEC 61131-3 international standard, supporting five programming languages: Ladder Diagram (LD), Instruction List (IL), Structured Text (ST), Function Block Diagram (FBD/CFC), and Sequential Function Chart (SFC).

Q：Does this PLC support Modbus TCP communication, and can it act as both a client and a server?

A：Yes, the B2341 features a built-in Ethernet interface and supports both Modbus TCP client and server functions—it can actively read/write data from third-party Modbus TCP devices and also allow external Modbus TCP clients to access its internal data.

Q：How many expansion modules can the B2341 support, and what types of I/O modules are available?

A：It supports up to 4 expansion modules, including digital input/output, analog input/output, and special function modules, enabling flexible solutions for diverse industrial control applications.

Certifications & Quality Assurance:

ODOT Products comply with international industrial standards, including CE and RoHS, and undergo strict quality control to ensure long-term reliable operation in industrial environments.