UBZ-302 Novatek

NOVATEK-ELECTRO LTD Research-and-Manufacture Company ELECRTIC MOTORS UNIVERSAL PROTECTION DEVICE UBZ-302 OPERATING MANUAL Quality control system on the production complies with requirements ISO 9001:2008 Review the Operating manual before using the unit. Store the unit in the operating environment for 2 hours before switching to the mains. Do not use abrasives or organic compounds for cleaning (spirit, gasoline, solvents, etc.). NEVER ATTEMPT TO REMOVE AND REPAIR THE UNIT. Some of the unit components may be live. NEVER ATTEMPT TO OPERATE THE UNIT WITH THE MECHANICAL DAMAGE OF THE HOUSING. DO NOT LET WATER INTO THE UNIT.1 This unit is safe for use in case of compliance with operating rules. UKRAINE, Odessa www.novatek-electro.com - 2 - Contents 1 DESCRIPTION AND DESIGN ...... 2 1.1 PURPOSE ..... 2 1.1.1 General Information... 2 1.1.2 Changes in the UBZ Specifications and Operation Depending on the Software Version . 2 1.1.3 Limitations of UBZ Application and Correct Choice of Parameters .. 3 1.1.4 List of Abbreviations ..... 3 1.2 TECHNICAL SPECIFICATIONS ... 3 1.2.1 Main Technical Specifications ..... 3 1.2.2 Measured and Calculated Parameters ...... 4 1.2.3 Programmable parameters ... 6 1.2.4 UBZ Controls and Dimensions . 11 1.2.5 Protection Functions .. 12 1.2.5.1 Protection Types 12 1.2.5.2 Overcurrent Protection . 12 1.2.5.3 Ground Fault Protection ... 13 1.2.5.4 Negative Sequence Current Protection . 13 1.2.5.5 Undercurrent Phase Protection ..... 13 1.2.5.6 Delayed Start and Rotor Blocking .. 14 1.2.5.7 Thermal Overload Protection ...... 14 1.2.5.8 Coil Overheating Protection .... 15 1.2.5.9 Voltage Protection .... 15 1.2.5.10 Phase Sequence Protection ..... 15 1.2.5.11 Motor Coil Insulation Minimal Resistance ... 15 1.2.5.12 Phase Loss Protection 16 1.3 PACKAGING CONTENTS .. 16 1.4 FEATURES AND OPERATION . 16 2 INTENDED USAGE .... 16 2.1 SAFETY ..... 16 2.2 DEVICE CONTROLS .. 16 2.2.1 UBZ Control Modes ... 16 2.2.2 Keypad Locked .. 16 2.2.3 Keypad Unlocked .. 16 2.2.3.1 MSM Mode .... 16 2.2.3.2 Editing and Viewing User-Level Parameters ... 17 2.2.3.3 Editing and Viewing Engineer-Level Parameters ... 17 2.2.4 Reset to Factory Settings . 17 2.3 PREPARING UBZ FOR OPERATION .. 18 2.4 INTENDED USAGE . 19 2.4.1 UBZ Operation Before Load Relay Activation ...... 19 2.4.2 UBZ Operation After Load Relay Activation and Motor Energizing ... 20 2.4.3 Functional Relay Operation . 20 2.4.4 Using the RS-232/RS-485 Interface with the MODBUS Protocol, RTU Mode .... 20 2.4.5 Fault Status System ..... 25 2.4.6 Fault Status Log .......................... 26 2.4.7 Controlling the Motor Using the UBZ Front Panel ..................................................................................... 26 2.4.8 Controlling the Motor Using the Analog Inputs ..... 26 3 TECHNICAL MAINTENANCE .. 27 3.1 SAFETY PRECAUTIONS .. 27 3.2 TECHNICAL MAINTENANCE PROCEDURE . 27 4 TRANSPORTATION AND STORAGE .... 5 USEFUL LIFE AND MANUFACTURER WARRANTY .... 6 ACCEPTANCE PROTOCOL .... 7 COMPLAINTS INFORMATION .... APPENDIX 1 Time Dependent Current Protection...... APPENDIX 2 Using UBZ to Control Motor with Switching Coil from Star to Delta at the Start . UBZ-302 NOVATEK-ELECTRO