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Programmable intelligent gateway
● Communication between industrial computer Modbus RTU protocol and CANopen frequency converter ● Touch screen Modbus TCP protocol and J1939 automotiv
Product details
GCAN-GT-41X is a programmable bus gateway/converter. This device integrates 1/2 CAN bus interfaces, 1 Ethernet bus interface, 1 RS485 bus interface, and 1 RS232 bus interface. Before actual use, users need to write an application program for the device through openPCS software to achieve data conversion between different bus interfaces.
Selection Table
| Model number | GCAN-410 | GCAN-412 | GCAN-413 | GCAN-414 | GCAN-415 | GCAN-419 |
|---|---|---|---|---|---|---|
| Physical picture |
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| CAN interface | 1 channel (CAN2.0) | 2 channels (CAN2.0) | 2 channels (CAN2.0) | 4 channels (CAN2.0) | 2 channels (CAN2.0) | 3 channels (CAN2.0) |
| Interface form | Open4 terminal | Open4 terminal | Open4 terminal | Open4 terminal | Open4 terminal | Open4 terminal |
| RS232 interface | 1 Road | 1 Road | 1 Road | / | 1 Road | 1 Road |
| Interface form | Open4 terminal | Open4 terminal | RJ45 | / | Open4 terminal | RJ45 |
| RS485 interface | 1 Road | / | 2 routes | / | 1 Road | 2 routes |
| DI | / | / | 12 channels (input PNP with numbers) | / | / | 16 channels (digital to output PNP) |
| DO | / | / | 8 channels (digital to output PNP) | / | / | / |
| Relay | / | / | / | / | / | Route 16 |
| WIFI | / | / | / | / | 1 channel (supports TCP, static IP) | / |
| 4G | / | / | / | / | 1 channel (full network, supports TCP/UDP, static IP) | / |
| CANopen | Support master-slave stations | Support master-slave stations | Support master-slave stations | Support master-slave stations | Support master-slave stations | Support master-slave stations |
| modbus TCP | Support master-slave stations | Support master-slave stations | Support master-slave stations | Support master-slave stations | Support master-slave stations | Support master-slave stations |
| modbus RTU | Support master-slave stations | Support master-slave stations | Support master-slave stations | / | Support master-slave stations | Support master-slave stations |
| Shell size | 111.5*99.6*22.3 | 111.5*99.6*22.3 | 111.5*99.6*45 | 111.5*99.6*22.3 | 111.5*99.6*45 | 111.5*99.6*89.4 |
| View Manual | User Manual | user's manual | user's manual | user's manual | user's manual | user's manual |
GCAN-GT-41X can be programmed using OpenPCS software, which supports five standard PLC programming languages that comply with the IEC-61131-3 standard, such as SFC (Sequential Function Diagram), LD (Ladder Diagram), FBD (Function Block), ST (Structured Text), IL (Instruction List). This makes the program highly portable and reusable, and the software also has multiple debugging functions (such as power-off, single step, monitoring, etc.), making debugging programs more convenient.
Case 1:
Customer Requirement Description:
Customer Requirement Description:
The company needs to upgrade the control system of new energy vehicles, replacing VCU with PLC to control and detect various distributed IO and sensor components, and ultimately achieve human-machine interaction through touch screen. There is a requirement in this project to control the opening and closing of 7 solenoid valves through parameters uploaded by BMS (Battery Management System). But the PLC used for data processing does not have a CAN interface, so they approached our company for help. After understanding its situation, we recommend a programmable gateway solution to it!
Customized content description:
Customized content description:
The programmable gateway has CAN interface, 232&485 interface, and Ethernet interface. This programmable gateway can be connected on one end to BMS and on the other end to PLC, and then independently write the communication protocol between BMS and PLC, directly converting the CAN bus into an interface that PLC can recognize. The advantages of this solution are that the programmable gateway is small in size, high in adaptability, and its functions can be changed with the programming of the application.
Case 2:
Customer Requirement Description:
It is necessary to convert the data transmitted from the VCU of the entire vehicle into a canopen connection to the ABB frequency converter.
Customized content description:
Customized content description:
Extract the effective part of the VCU communication protocol and convert it into the canopen protocol to control the operation of the frequency converter.
Case Three:
Customer Requirement Description:
Convert the 1939 protocol transmitted by VCU into the canopen master protocol for control.
Convert the 1939 protocol transmitted by VCU into the canopen master protocol for control.
Customized content description:
Using GCAN-GT-412 module (dual CAN ports), call J1939 and CANopen main station function blocks respectively. Then, by intercepting the required J1939 messages from the VCU and mapping them to the SDO issued by the CANopen master station, control can be achieved for other CANopen slave modules.
Case Four:
Case Four:
Customer Requirement Description:
The excavator bus data is connected to the touch screen for display
Case 5:
Customized content description:
The various parameter signals in the excavator are uploaded to the conversion gateway through the CAN bus for protocol parsing, and then the CAN protocol is converted into the Modbus protocol and finally connected to the external display screen of the excavator for various alarm displays.
Case 5:
Customer Requirement Description:
I want to use Siemens PLC to control servo motors
Customized content description:
The Modbus master station protocol used through the Ethernet interface of Siemens PLC is converted into a Canopen master station (DS401 protocol) through a gateway to control the operation of two motors. This module integrates Modbus and Canopen protocol stacks internally, with the function of converting Modbus TCP slave stations to Canopen master stations, and then controlling servo motors with communication protocol DS402.
Communication between industrial computer (Modbus RTU protocol) and CANopen (frequency converter)
Communication between touch screen (Modbus TCP protocol) and J1939 (automotive VCU) PLC (Modbus RTU) expands CAN open interface and communicates with servo drives Non standard protocol to standard protocol conversion
High speed 32-bit industrial grade processor; Embedded hardware watchdog timer;
Use an external power supply (DC+24V, 40mA) for power supply;
Electrostatic discharge immunity level: Contact discharge ± 2KV, air discharge ± 15KV;
Electrical fast transient burst immunity level: ± 1KV;
Surge immunity level: ± 1KV;
Working humidity range: 5%~95% RH without condensation;
1/2 CAN bus interfaces, 1 Ethernet interface, and 1 RS232 serial interface;
Programming software: OpenPCS (compliant with IEC 61131-3 standard);
Support CANopen master/slave stationagreement；
Supports Modbus RTU/TCP master/slave protocols;
Standard DIN (3.5cm)The guide rail installation method is specifically designed for industrial use.
Electrical isolation is 1500 Vrms; Working temperature range: -40 ℃~+85 ℃; Protection level: IP20;
The GCAN-GT-41X module integrates 1 DC 24V power interface, 1/2 standard CAN Bus interface, 1 standard Ethernet interface, 1 RS232 serial interface, and 1 RS485 serial interface. The wiring terminal block of the GCAN-GT-41X module is shown in the following figure.
The power interface of the GCAN-GT-41X module is led out by one 4-pin plug-in terminal block, and its interface definition is shown in the following table:
The CAN bus interface of GCAN-GT-41X module is led out by 1/2 4-pin terminal blocks, which can be used to connect 1/2 CAN bus networks or devices with CAN bus interfaces. The interface definition is shown in the table below
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CAN bus signal allocation for GCAN-GT-412 module
CAN bus signal allocation for GCAN-GT-410 module
、CAN bus signal allocation for GCAN-GT-412 module
The serial interface of GCAN-GT-41X module is led out by 2/1 4-pin terminal blocks, which can be used to connect 1 RS232 device or 1 RS485 device. The interface definition is shown in the table below
Definition of RS485 interface for GCAN-GT-410 module
Definition of RS232 interface for GCAN-GT-412 module
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