The ABB YPH108B/SPC speed measurement board monitors rotational speed and direction inside industrial drive systems. As a specialized feedback unit, this board converts pulse signals into precise speed data for the controller. Engineers replace this board when drives require accurate speed regulation or fault recovery.
Key Technical Specifications
The YPH108B/SPC employs a compact plug-in design, which simplifies installation inside crowded drive cabinets. Each board weighs approximately 0.5 kg and measures 140 mm by 90 mm by 30 mm. This unit operates from a 24 VDC supply and dissipates roughly 7 watts during normal operation.
| Parameter | Specification |
|---|---|
| Module Type | Speed Measurement Board |
| Dimensions | 140 × 90 × 30 mm |
| Weight | ~0.5 kg |
| Input Voltage | 24 VDC nominal |
| Power Consumption | ~7 W |
| Function | Speed and direction measurement |
| Input Signals | Pulse and encoder signals |
| Interface | Backplane and Ribbon Connectors |
| Mounting | Rack or Chassis Mount |
| Operating Temperature | 0°C to 60°C |
Interface and Communication
The YPH108B/SPC connects directly to the drive backplane, enabling seamless data exchange with the main control board. Consequently, each measurement circuit operates independently while the board reports speed values in real time. The board supports quick replacement, which minimizes downtime during maintenance activities. Furthermore, clear connector labelling simplifies troubleshooting between the board and connected sensors.
Component Count and Energy Storage
Each YPH108B/SPC board contains multiple measurement circuits on a single compact assembly. Additionally, onboard capacitors support brief ride-through during power interruptions. The design integrates diagnostic LEDs for continuous self-monitoring. Therefore, operators gain confidence in measurement integrity across demanding industrial environments.
Applications and Reliability
Steel mills, paper plants, and power generation stations deploy the YPH108B/SPC for critical speed feedback functions. The design meets rigorous international industrial standards for reliability and safety. Meanwhile, comprehensive diagnostics alert maintenance teams before failures escalate. As a result, plant operators reduce unplanned shutdowns and protect expensive assets.
Details
| Weight | 0.35 kg |
|---|---|
| Dimensions | 90 × 45 × 100 mm |
