FD-70/70A Molecular Pump Controller User Manual

This manual covers the technical specifications, working principles, operation methods, communication protocols, troubleshooting, and warranty for the…

FD-70/70A Molecular Pump Controller User Manual - cover page
Document type
User Manual
Language
Chinese
Pages
6
File format
PDF
File size
1.1 MB
Published
18 October, 2026
Updated
18 October, 2026
MD5 checksum
C6A7190CFB8AB7A654849DFFB4ED4B1C
PDF
FD-70/70A Molecular Pump Controller User Manual PDF

About this manual

The FD-70/70A is an electronic commutator designed for high-speed brushless DC motors, specifically tailored for use with FF-70 composite molecular pumps. It utilizes a dsPIC4011 microcontroller and single Hall technology to drive the motor, featuring automatic acceleration capabilities. This manual is written in Chinese.

What's inside

  • Technical Performance
  • Working Principle
  • Usage Method
  • External Communication Interface
  • Serial Port Protocol
  • Troubleshooting

Specifications

Maximum Output Power80W
High Speed Frequency845Hz±2Hz
Low Speed Frequency705Hz±2Hz
Acceleration Time3 minutes

Frequently asked questions

What is the communication protocol baud rate?

The communication baud rate is 9600 bit/S with an 8.1.1 format and half-duplex mode.

What does the 'Ot' fault code indicate?

The 'Ot' code indicates a timeout due to high pressure (P ≥ 1mbar) or failure of the output tubes.

What does the 'Oh' fault code indicate?

The 'Oh' code indicates that the motor is overheating and the controller has activated thermal protection.

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