SpeedSys 300, Transmitter & Overspeed Protection Controller
- SIL 3 certified protection for critical machinery
- Fast reaction time with a hardware response of 8 ms
- Flexible input compatibility supporting Hall-effect, proximity, and electromagnetic sensors
- Scalable configuration options to meet both standard and high-availability applications
- Advanced self-monitoring and diagnostic functions for continuous operational validation
- Modbus RS485 for integration with external systems
- Analog output for precise speed measurement (4-20 mA)
- Safety relays with user-configurable hysteresis and safety states
The SpeedSys 300 is a SIL 3 certified overspeed protection system built for high-integrity machinery safety. Offering rapid response times and compatibility with various sensor types, it delivers reliable, continuous protection against overspeed, underspeed, and acceleration events. With modular inputs and configurable outputs, the system is ideal for applications ranging from standalone units to complex multi-module setups. The system includes advanced self-monitoring features, long proof-test intervals, and is designed to minimize maintenance efforts while maximizing operational uptime. Its scalability ensures it can be tailored to meet both simple and complex application requirements.
configuration examples with SpeedSys 300
| Interface | TCP/IP |
| RS-485 | |
| # of Inputs | 1 |
| Output Type | 0 - 10 V DC |
| Max Bandwidth | 35 kHz |
| Excitation | 21 V DC |
| Supply Power | 18 - 36 V DC |
| Min Temperature | -20°C |
| Max Temperature | 60°C |
The SpeedSys 300 is engineered with a flexible architecture that accommodates a broad spectrum of applications. A single module provides a reliable, cost-effective solution for overspeed protection. For more critical or high-availability requirements, redundancy and voting configurations can be implemented. Common applications include:
- Hydroelectric turbines
- Industrial compressors and pumps
- Aeroderivative gas turbines
- Gas and steam turbines
- Marine propulsion systems
datasheet-istec-speedsys 300 Datasheet |
SpeedSys 300 Modbus Manual Manual |
- Fast response to overspeed events
- One high-speed relay output
- Supports 3-wire and 2-wire voltage sensors
- Modbus TCP connectivity
- Configurable analog output for speed transmission
| Interface | TCP/IP |
| Input Type | Frequency |
| # of Inputs | 1 |
| Output Type | 4 - 20 mA |
| Max Bandwidth | 35 kHz |
| Excitation | 24 V DC |