C3351 Modbus-TCP/Modbus-RTU PLC controller (codesysv3.5)

ODOT PLC C-3351 Codesys V3.5 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).

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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

Programming Specification

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	1MBytes
Data Storage	1MBytes
Power-down Protection Area	3KBytes
RTC：	Not Supported
Maximum Expansion Module	32
Modbus Master Max Channel Numbers	10
Modbus Master Command Max Length：
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 Parameters
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
Link Parameters
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