CoolGear CG-1P232CAN Installation Manual

1 port serial rs232 to can bus adapter

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1 Port Serial RS232 to CAN Bus Adapter
w/Metal Case
Model Number:
CG-1P232CAN
Installation Guide
Coolgear, Inc.
Version: 1.0
Date: 04/25/2024

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Summary of Contents for CoolGear CG-1P232CAN

  • Page 1 1 Port Serial RS232 to CAN Bus Adapter w/Metal Case Model Number: CG-1P232CAN Installation Guide Coolgear, Inc. Version: 1.0 Date: 04/25/2024...
  • Page 2: Table Of Contents

    Controller Area Network (CAN) is a high-integrity asynchronous serial bus system for networking intelligent devices. It is often used in automotive and industrial systems. The CG-1P232CAN is designed to make a fast, simple way to communicate with CAN bus devices. Connected to a serial port on your computer, the CG-1P232CAN instantly adds an industrial CAN bus channel to your host system.
  • Page 3: Diagram Of Cg-1P232Can

    Listen mode: passive receiving of CAN frames ✔ Echo mode: transmitter also receives sent frames (for testing purposes) ✔ CG-1P232CAN can be controlled over serial port using simple ASCII commands ✔ Wide ambient temperature operation 0°C to 60°C (32°F to 140°F) ✔...
  • Page 4: Pcb Layout

    – Installation Guide 1 Port Serial RS232 to CAN Bus Adapter PCB LAYOUT BLOCK DIAGRAM 3. PIN-OUT INFORMATION Following are the pin-out of connector for RS-232 serial port signals: Need help? Visit: coolgear.com/support...
  • Page 5 Data Carrier Detect Receive Serial Data Transmit Serial Data Reserved Signal Ground Data Set Ready Request To Send Clear To Send Reserved Following are the pin-out of DB-9 male connector and terminal block for CAN bus signals: Need help? Visit: coolgear.com/support...
  • Page 6 Provides +DC 5V or 12V power (optional) CAN_L CAN_L bus line (dominant level is low) CAN_GND Signal ground Reserved Reserved CAN_GND Signal ground CAN_H CAN_H bus line (dominant level is high) Reserved CAN_V+ Provides +DC 5V or 12V power (optional) Need help? Visit: coolgear.com/support...
  • Page 7 12V power for external devices Disable the 5V or 12V power on terminal block pin 4 Inside the unit, there are three 3-pin header blocks (J1, J2, J3) which are jumpers for selecting 5V or 12V power for external devices. Need help? Visit: coolgear.com/support...
  • Page 8: Termination Resistors

    A CAN bus network requires 120Ω termination resistors at each end. Generally, this must be done in the cabling. Since this depends on the installation of connections, please check your CAN bus cable specification for proper impedance matching. Need help? Visit: coolgear.com/support...
  • Page 9: Function Description

    The CG-1P232CANadapter has three LEDs (red LED, green LED, yellow LED) to indicate power and CAN bus statuses. The red LED indicates CG-1P232CAN adapter power; the green LED indicates CAN bus data activity and the yellow LED indicates a CAN bus error.
  • Page 10: Command List

    – Installation Guide 1 Port Serial RS232 to CAN Bus Adapter Command Response Function S6[CR] [CR] Set bitrate of CG-1P232CAN adapter to 500Kbps O[CR] [CR] Open CAN channel t0023112233[CR] z[CR] Send CAN message (ID = 002h, DLC = 3, Data = 11...
  • Page 11 – Installation Guide 1 Port Serial RS232 to CAN Bus Adapter ‘M’ – Set acceptance filter ‘RST’ – Reset CG-1P232CAN Adapter ‘H’, ‘h’ or ‘?’ – List supported commands Opening the CAN Bus Channel The CAN bus channel will be opened with the command O[CR], L[CR] or Y[CR]. The...
  • Page 12: Specifications

    Echo mode: transmitter also receives sent frames (for testing purposes) Protection +/-16 KV ESD protection for CAN signals Software Features API Library Supports C/C++, C#, VB.NET and LabVIEW Utility On-board firmware update utility Monitoring Tools Supported by CANHacker, Titan CAN test program Need help? Visit: coolgear.com/support...
  • Page 13 Do not disassemble the product. Handling the product’s ● internal components can expose it to ESD (Electro-Static Discharge) hazards that can affect the function of the device. If this product is not functioning properly, email our support ● team at support@coolgear.com. Need help? Visit: coolgear.com/support...
  • Page 14 (iv) normal wear and tear; (v) damage to or loss of repaired or replaced Products during shipping by Coolgear except when such damage or loss is caused by poor or inadequate packaging by Coolgear; or (vi) Products purchased outside the United States.

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