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C3351 MODBUS-TCP/MODBUS-RTU PLC CONTROLLER (CODESYSV3.5)
Product Feature:
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).

Technical Parameters
Hardware Specification
System Power: Nominal 24Vdc, Range-9-36Vdc
Protection: Overcurrent Protection, Reverse Protection: YES
Power Consumption: 110mA@24Vdc
Internal BUS Supply Current: Max.2A@5VDC
Isolation: System Power to Field Power Isolation
Field Power Supply Power Supply: 22~28V(Nominal 24VDC)
Field Power Supply Current: Max. DC 8A
I/O Modules supported: 32 pcs
Wiring: Max.1.5mm²(AWG 16)
Mounting Type: 35mm Size DIN-Rail
Size: 115*51.5*75mm
Weight: 130g
Environment Specification
Operational Temperature: -40~85℃
Operational Humidity: 5%~95% RH(Condensation)
Protection Level: IP20
EtherCAT: Parameter
Protocol: EtherCAT
Process data area: Input Max.1024 Bytes, Output Max.1024 Bytes
Network Interface: 2 RJ45
Speed: 10/100Mbps, MDI/MIDX, Full-Duplex
Max.Bus Legenth: 100m
Technical Parameters
General Parameters
System power supply：22-28VDC（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：22-28V（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 Parameters
Operating Temperature：-30~70℃
Environment 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
Technical Parameters
General Parameters
System power supply：22-28VDC（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：22-28V（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 Parameters
Operating Temperature：-30~70℃
Environment 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

Applied for industrial automation area related for control system and data collection solutions.

Smart buildings integrate various smart technologies, such as IoT devices, automation systems, and data analytics, to optimize building operations and improve the overall user experience. IoT transforms traditional buildings into smart buildings by enabling real-time data collection, advanced automation, and enhanced management capabilities, leading to improved efficiency, comfort, and security.

• Supports BACnet/IP, BACnet MS/TP, Modbus RTU, Modbus TCP, PLC, OPC UA, MQTT, DL/T645, IEC104, protocols
• Supports transparent transmission
• Ethernet ports and serial ports
• Supports remote configuration and firmware upgrade
• Supports WiFi communication

BACnet Gateyway allows for both BACnet and non-BACnet devices to operate within a single building automation system.