Description
ABB RS485 Communication Module 500PB101-RS485 1MRB178009R1/E
| Product Model | 500PB101-RS485 (PN:1MRB178009R1/E) |
| Manufacturer | ABB |
| Product Type | RS485 Communication Module |
| Compatible Devices | ABB PSR/PST/PSE Soft Starters |
| Communication Protocol | Modbus RTU |
| Interface Type | RS485 (2-wire) |
| Baud Rate | 1200 to 115200 bps (configurable) |
| Address Range | 1-247 |
| Isolation Voltage | 1500 V AC (between RS485 and main circuit) |
| Data Parameters | Motor current, voltage, status, faults, temperatures |
| Control Functions | Remote start/stop, parameter adjustment |
| Power Supply | Powered from soft starter (no external supply) |
| Operating Temperature | -25°C to +60°C |
| Mounting | Slot-in module for soft starter units |
| Certifications | CE, UL, cULus, RoHS |
Main Features and Advantages
Seamless System Integration: The ABB 500PB101-RS485 enables Modbus RTU communication for ABB soft starters, providing real-time access to critical motor parameters including current, voltage, power consumption, and thermal status. Its plug-and-play design integrates directly into compatible soft starters without additional wiring or external power requirements.
Robust Industrial Connectivity: Featuring 1500V isolation between the RS485 interface and power circuits, this module ensures reliable communication in electrically noisy environments. Configurable baud rates (1200-115200 bps) and node addresses (1-247) allow flexible network integration with PLCs, SCADA systems, and HMIs.

500PSM03A
Comprehensive Monitoring Capabilities: Beyond basic control functions (remote start/stop), the 500PB101-RS485 provides detailed diagnostics including motor thermal status, start counter, run hours, and fault history. This facilitates predictive maintenance by identifying developing issues before failures occur.
Configuration Flexibility: Using ABB’s DriveCom software or standard Modbus tools, engineers can remotely adjust soft starter parameters including ramp times, current limits, and protection settings. The module maintains configuration during power cycles, ensuring consistent operation after power restoration.
Application Areas
Essential for industrial automation systems requiring centralized motor control, including water treatment plants, HVAC systems, conveyor networks, and manufacturing lines. Ideal for applications needing remote monitoring of motor performance and energy consumption across distributed facilities.
Related Products
- ABB 500PB104 – PROFIBUS DP Module: Alternative fieldbus communication
- ABB 500-HMI – Operator Panel: Local interface for soft starters
- ABB PSTX30-600-70 – Soft Starter: Compatible 30A unit
HONG KONG SAUL ELECTRICAL LIMITED. – Automation Solutions Provider
Since 2011, we’ve specialized in industrial communication solutions with expert integration support. Email our technical team for configuration guides and network integration assistance.
Every 500PB101-RS485 1MRB178009R1/E includes:
- 1-year comprehensive warranty with advance replacement
- Modbus register map documentation
- Configuration templates for common PLC platforms
Need custom communication solutions? Contact us:
WhatsApp: +86 180 5988 4797
Phone: +86 18150899970
Technical Support: Chat via WhatsApp
Please contact Sunny sales@xiongbagk.cn for the best price.
➱ sales manager: Sunny
➱ email mailto: sales@xiongbagk.cn
➱ Skype/WeChat: 18059884797
➱ phone/Whatsapp: + 86 18059884797
➱ QQ: 3095989363
➱ Website:www.sauldcs.com
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