General Information And Features - Unitek Classic Q1 Series Manual

Basic
information
2.2

General information and features

This manual description of the basic unit is only valid in
connection with the manual for the control electronics
(e.g. REGxx).
Build
- Switch cabinet built-in devices
- Acc. to the VDE, DIN, and EG regulations
- Standard control electronics REG
- Basic device as intrinsically safe power section with current controller
- Uncontrolled field supply unit
- Optional units
Galvanic isolation between
- Power section and housing
- Power section and control electronics
The distances of air gaps and leakage paths adhere to the VDE standards (>8mm).
Components
- Completely isolated thyristor modules, comfortably over-dimensioned
- Only components customary in trade and industrially standardized
- LED displays
- Precision trimming potentiometer for precise adjustment
- Dip-switch for the system setting
Features
 Series Classic Q1
 Thyristor controller for dc motors
 Power range 2.7 to 12 KW
 Driving and braking in all 4 quadrants
 Energy feedback
 Intrinsically safe power section
 Fast analog current control
 Circular current-free double bridge circuit
 Optional uncontrolled field rectifier
 26-pole interface
 Features of the control electronics used:
 see MANUAL REGxx or third-party product
 Optional units
 Min. torque-free break 10ms
 PI-setting by means of two 4-position switches
 The control electronics is plugged to the front side and readily accessible
 Connecting terminals are used as far as possible
 Heavy current connections must be connected via power terminals
 The output stage is a counter-parallel double bridge circuit
Anwendung
 DC motors for circular current-free 4Q operation
Classic Q1 4