Bernard SD Range Actuator Storage, Installation and Debugging Manual
This document is about the storage, installation, and debugging instructions for the SD series actuators. The document includes internal wiring diagrams and examples of power supply circuits, control panel design examples, safety information, assembly, handwheel operation and declutching, electrical connections and preliminary tests, setting of mechanical stops and travel limit switches, setting of torque limit switches, setting of position feedback potentiometer and position transmitter (optional), maintenance and storage instructions, and more.
This manual covers the safe handling, assembly, and commissioning of the SD Range actuator series. It includes safety information, detailed assembly procedures, hand‑wheel operation, and electrical connection checks to ensure correct installation.
The document also describes how to set mechanical stops, travel‑limit and torque‑limit switches, optional position feedback potentiometer and TAM position transmitter, and provides maintenance and storage recommendations for long‑term reliability. This manual is written in Chinese.
What's inside
Safety Information
Assembly
Handwheel Operation and Declutching
Electrical Connections and Preliminary Tests
Mechanical Stops and Travel Limit Switches
Torque Limit Switches
Position Feedback Potentiometer (Option)
"TAM" Position Transmitter (Option)
Maintenance and Storage Instructions
Specifications
Lubricating grease operating temperature range
-30°C to +135°C
TAM position transmitter supply voltage
12 V to 32 V DC
Frequently asked questions
How do I adjust the mechanical stop screw?
Loosen the mechanical stop screw by about two full turns, then tighten clockwise until the actuator contacts the stop.
How are the torque limit switches set?
Adjust the torque limit by tightening or loosening the spring‑tension adjusting nut on the switch.
What power supply does the TAM position transmitter require?
The TAM transmitter needs a regulated DC supply of 12 V to 32 V.