ABB YXU201A 3ASD510001C9 Drive Main Control Signal Interface Board

I. Product Description
Full part number: YXU201A / 3ASD510001C9
Original factory specification: Swedish ABB drive control board, compatible with ACS160 series low-voltage frequency converters, and also compatible with the old Advant OCS outdated control system signal acquisition unit
Life cycle: The original factory has been discontinued (EOL), no new original factory stock available, only disassembled spare parts and surplus inventory circulation
Origin: Sweden

Core Functions
Internal analog/digital signal pre-processing board of the frequency converter: Collect bus voltage, output current, motor temperature, IGBT status feedback; Generate PWM driving front-stage signal
Built-in multi-channel isolation DI/DO, realize fault locking, external relay interlock, emergency stop, fan temperature control
Board-mounted RS485 communication interface, responsible for driving and data interaction with the upper DCS/PLC, parameter upload and download
Integrated hardware protection circuit: Overcurrent, overvoltage, overheat, output short circuit, grounding fault detection, fault signal lock-up and reporting

 Hardware Specifications
1. Electrical Parameters
Power supply: 85~264V AC wide-range AC input
Overall power consumption: ≤10W
Digital channels: 8 isolated DI + 8 DO, single channel 24V industrial level
Communication: RS485 bus, compatible with ABB transmission private protocol + Modbus RTU
Isolation withstand voltage: 2000V optical isolation between signal side and power side, anti-field interference
Operating temperature: -20℃ ~ +60℃, natural air-cooling of control cabinet
2. Mechanical Dimensions
Size: 195mm × 123mm × 25mm
Weight: 0.24kg
Installation: Directly inserted into the main control slot of ACS160 frequency converter, plug-in terminal block
3. On-board Hardware Architecture
32MHz dedicated drive DSP processor
On-board storage: 512KB program cache
Multiple high-precision sampling amplifiers, fault comparators, pulse modulation drive circuits
On-board multiple groups of yellow film capacitors, power optocouplers, voltage regulation circuits

 Compatible Equipment
ABB ACS160 full series of low-voltage AC frequency converters (0.37kW~15kW)
Old Advant OCS distributed DCS system IO expansion unit
Small-sized transmission control cabinets for water treatment, fans and pumps, conveyor belts

Typical Application Scenarios
Fan and pump frequency drive control in factories
Small-sized frequency converter signal acquisition and interlock for assembly lines
Replacement and maintenance of old ABB transmission equipment
DCS linkage transmission systems in chemical and municipal water supply