Product Introduction

PFSK151 is an embedded DSP signal processing board belonging to the ABB PFSK series. It is equipped with a Motorola 68020 processor and features high-precision analog/digital signal processing, multi-protocol communication, and flexible I/O expansion capabilities. As the "signal hub" of the system, it can amplify, filter, and convert analog signals from on-site sensors/actuators, and upload them to DCS/PLC, suitable for industrial environments with strong interference such as power, chemical, and metallurgical industries. Model Interpretation

PFSK: Process Function Signal Board (Process Function Signal Board)

151: Hardware version and function configuration number

3BSE018876R1: ABB official order number (part number) Technical Parameters

Processor: Motorola 68020 @ 16MHz

Memory: 2MB SRAM; 8K step Flash EPROM (program); 8K byte data storage

I/O Configuration: Basic 8DI/6DO; Maximum expansion to 142 points; Analog support 12/16 bit resolution

Signal Processing: Sampling rate up to 1kHz; Precision ±0.1% of full scale; Supports voltage/current/switching signals

Power Supply: Main power + 5VDC ±10% (200mA); Auxiliary 24VDC (output 5A/1.3A); System 18–32VDC

Operating Temperature: -20°C ~ +70°C

Protection: IP20 (electrical protection)

Dimensions (W×H×D): 100 × 50 × 75mm

Weight: Approximately 0.5kg Interface and Communication Configuration

Ethernet: 1×RJ45 (10/100Mbps), supports TCP/IP, Modbus TCP

Serial: RS-232, RS-485, CAN bus; supports Modbus RTU, IEC 61850

I/O Terminal: High-density terminal blocks, supports plug-and-play Core Functions

High-speed signal processing: Analog quantity acquisition, digital quantity filtering, engineering quantity conversion, fault diagnosis

Multi-protocol communication: Seamless integration with ABB 800xA/AC800M and third-party PLC/DCS

Flexible expansion: Modular design, supporting expansion of I/O and communication interfaces

Redundancy support: Dual-machine hot standby configuration, enhancing system reliability

Self-diagnosis: Power-on self-check, operation status monitoring, fault code output Application Scenarios

Electric power industry: Generator set control, excitation system, grid monitoring

Process industry: Flow, pressure, temperature signal preprocessing in chemical / oil and gas / metallurgy

Intelligent manufacturing: Data acquisition for high-speed production lines, motion control signal conversion

DCS system: I/O interface and signal processing of ABB Advant OCS/800xA system Operation and Maintenance Instructions

Installation: Standard DIN rail installation. The cabinet has good ventilation and is kept away from interference sources such as frequency converters.

Wiring: Use shielded cables for signals and power supply. Separate strong and weak electrical components. Ground resistance < 4Ω.

Configuration: Configure I/O and communication parameters using ABB Control Builder. Download the program to Flash.

Maintenance: Regularly check wiring terminals, power voltage, and status LEDs; no user-repairable components.

Storage: -40°C ~ +70°C, humidity 5%–85% without condensation.