PLC Controller Codesys V3.5

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Product Description

Product Attributes

Product Description

Other information

Product Attributes

Model No.: C3351

Product Description

Modbus-TCP Modbus RTU PLC controller codesysv3.5 Programmable Micro PLC-1

1.Reliable, compact, easy to expansion IO, can support up to 32 I/O modules.

2. It could be applied to multiple industries and scenarios such as mechanical processing equipment, sewage treatment, textile, non-standard automation, etc.

3. Seamless communication with reliable connection. Modbus TCP Server and Modbus TCP client are supported simultaneously. It supports Modbus RTU master or slave.

4. It is a programmable system that follows the IEC61131-3 international standard. It supports five programming languages such as ladder diagram (LD), instruction list (IL), structured text (ST), function block diagram (CFC/FBD) and Sequential Function Chart (SFC).

5. Recommended CODESYS version: V3.5.19.70; If you need to use Codesys version SP20 or higher, please download the Modbus driver from the official website and then follow our tutorial video instructions.

We have the updated version of C3351 as the C3351-B01, below is the improvement details, and the C3351-B01 will be the only available version in the market now. Please contact our sales team for further information and support.

Technical Parameters	C3351-B01
Programming Software	CODESYS V3.5.19.70
Programming language	IEC 61131-3LD,IL,ST,CFC/FBD,SFC
Maximum State Tasks	5
Program Memory	4M Bytes
Data Storage	4M Bytes
Power-down Protection Area	32K Bytes

Technical Parameters

General Parameters
System power supply	19.2-28.8VDC（Nominal 24VDC）
Protection	Anti-reverse connection protection
Module consumption	70mA@24Vdc
Internal Bus supply current	Max：2.0A@5VDC
Isolation	system to site power isolation
Field power supply	19.2-28.8V（Nominal 24V）
Field supply current	Max. DC 8A
Number of supported I/O modules	32 pcs
Wiring diameter	Max.1.5mm² (AWG 16)
Way to install	35mm DIN rail
Dimension	115 * 65.5 * 75mm
Weight	120g
Environment Specification
Operational Temperature	-30~70℃
Operational Humidity	5%~95% RH(No Condensation)
Ingress Protection Rating	IP20
Profinet Parameter
Programming Software	CODESYS SP17
Programming language	IEC 61131-3 (LD, IL, ST, CFC/FBD, SFC)
Maximum State Tasks	5
Bit Instruction Cycle	0.21us
Word Transfer Cycle	0.39us
Floating Point Operation Cycle	0.42us
Program Memory	4MBytes
Data Storage	4MBytes
Power-down Protection Area	32KBytes
RTC：	Not Supported
Maximum Expansion Module	32
Modbus Master Max Channel Numbers	10
Function Code 1(Read Coils)	2000
Function Code 2(Read Discrete Inputs)	2000
Function Code 3(Read Holding Registers)	125
Function Code 4(Read Input Registers):	125
Function Code 15(Write Multiple Coils)	440
Function Code 16(Write Multiple Registers)	27
Function Code 23(Read/Write Multiple Registers)	25+25
Interface	2 * RJ45 & 1 * RS485
Network Port Baud Rate	10/100Mbps, Adaptive and full duplex
Network Protocol	Modbus TCP，the default IP of the device is 192.168.0.15
Serial Port Configuration（RS485）	Supports Modbus RTU/ASCII, the baud rate is 2400~115200bps, and supports the parameter configuration of parity code and stop bit
LED indicator	6 LEDs PWR STAT RUN NET IRN IER
Modbus TCP Client	Max supports for connecting 6 Modbus TCP servers
Modbus TCP Server	Max supports for 6 Modbus TCP clients connected
Modbus RTU Master	Max supports for connecting 5 slave devices
Modbus RTU Slave	Max supports for connecting 1 master device

Application scenarios:

FQA

Q：What Modbus communication modes does this PLC support, and can it act as both a Modbus TCP client and server simultaneously?

A：Yes, the PLC supports both Modbus TCP client and server functions concurrently, as well as Modbus RTU master/slave modes, enabling seamless data exchange with HMIs, SCADA systems, and third-party devices.

Q：Does the programming comply with international standards, and which languages are supported? What CODESYS version is recommended?

A：The PLC complies with the IEC 61131-3 international standard and supports five programming languages: Ladder Diagram (LD), Instruction List (IL), Structured Text (ST), Function Block Diagram (FBD/CFC), and Sequential Function Chart (SFC). CODESYS V3.5.19.70 is recommended; for SP20 or later versions, please download the dedicated Modbus driver from the official website and follow our tutorial video for setup.

Q：What industries is this PLC suitable for, and how many I/O modules can it support at most?

A：It is suitable for various industrial applications including mechanical processing, sewage treatment, textile machinery, and custom automation systems. With a compact design and easy expandability, it supports up to 32 I/O modules, meeting medium-scale control requirements.

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.