ABB YT204001-FC YPH105E Digital Speed Input Board

Product Description

The ABB YT204001-FC (YPH105E) is a precision digital speed input module engineered for ABB drive and control systems. It efficiently captures high-speed pulses from encoders and tachometers, delivering accurate speed and directional feedback for rotating machinery. This board is tailored for variable frequency drives (VFDs), motor control applications, and industrial automation environments demanding reliable speed monitoring.

Technical Specifications

• Manufacturer: ABB

• Model / Code: YT204001-FC (YPH105E)

• Product Type: Digital Speed Input Board

• Function: Measures and reports rotational speed and direction from encoders or tachometers

• Input Channels: 2 (Speed + Direction)

• Supported Signal Types: Pulse encoder, quadrature encoder, tachometer signals

• Maximum Input Frequency: 10 kHz

• Operating Voltage: 24 V DC

• Isolation: Optocoupler for electrical safety and noise immunity

• Diagnostics: Integrated LED indicators for input signal and fault monitoring

• Dimensions: 7.6 cm × 5.1 cm × 12.7 cm

• Weight: 0.3 kg

Key Features

• High-speed signal acquisition for precise rotational measurement

• Supports multiple encoder formats, including quadrature and pulse tachometers

• Optically isolated inputs ensure safe and interference-free operation

• LED diagnostics simplify troubleshooting and system monitoring

• Compact form factor enables seamless integration into existing ABB drive systems

Applications

• Variable frequency drive (VFD) speed feedback

• Motor speed and direction monitoring

• Industrial automation requiring high-accuracy rotational measurement

• Feedback loop integration in servo and control systems

FAQ

Q: Can this board support both quadrature and simple pulse encoders?
A: Yes, YT204001-FC (YPH105E) is compatible with standard pulse, quadrature, and tachometer inputs.

Q: What is the maximum input frequency?
A: The module supports signals up to 10 kHz, suitable for high-speed motors.

Q: Is isolation provided for safety?
A: Yes, optocoupler isolation protects the control system from electrical interference and ensures reliable operation.