PACE BMS USB RS232 Diagnostic Cable - PBMS Tools – Professional BMS Access Tool

This USB RS485 Diagnostic Cable kit provides everything required for direct diagnostic and configuration access to PACE-based battery systems via the R2325, Designed for installers, engineers, and advanced users, the cable enables detailed visibility of battery health, cell voltages, protection status, and system performance.

Compatible Systems

This cable is compatible with PACE-based battery systems including:

• Lithium-Ion Batteries using PACE BMS hardware, Fogstar, Shoto, Lithium batteries South Africa (LBSA), Trophy battery and many others.  Send us a photo of your BMS and we can confirm if this cable is compatible.  Also, let us know your battery is using a PACE BMS so we can update our compatibility list.

Key Features

✔ Comprehensive Diagnostics – Access cell voltages, balance status, temperatures, alarms, SOC, SOH, and protection states
✔ Configuration & Monitoring – Works with PBMSTools HS1.08, PBMSTools V2.4 and V3.013
✔ Plug-and-Play USB Interface – Includes drivers compatible with Windows 7 through Windows 11
✔ RS232 Direct Communication – Reliable wired connection for commissioning, fault-finding, and parameter adjustment, and firmware flashing
✔ Status LEDs – Integrated RX/TX indicators provide instant feedback on data transmission
✔ Single or Multi-Pack Access – Communicate with the master BMS in multi-battery systems to view the entire bank
✔ Home Assistant & Solar Assistant Compatible - tested and works with solar assistant.

Monitor & Configure Critical Battery Data

Using this cable, you can access and manage key parameters including:

🔹 Cell Voltage & Balancing – Identify imbalance issues and verify balancing behaviour
🔹 Battery Temperatures – Monitor individual cell and BMS temperature sensors
🔹 State of Charge (SOC) & State of Health (SOH) – Track usable capacity and long-term degradation
🔹 Charge & Discharge Data – View current, voltage, power, and historical cycle counts
🔹 Protection & Alarm Status – Diagnose over-voltage, under-voltage, temperature, and current events
🔹 BMS Configuration Parameters – Adjust limits, thresholds, and communication settings using PBMS Tools
🔹 Firmware Information – Read BMS hardware and firmware versions for compatibility checks

Cable Specifications

• Total Length: 2.5 m
  (2.0 m from RS232 connector to battery + 0.5 m USB cable)
• USB Extension Support: Additional 5 m USB extension supported (high-quality cable recommended).
• Indicators: Power, RX, TX LEDs for real-time communication feedback
• Interface: USB to RS232