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UBZ-305
Novatek UBZ-305 Manuals
Manuals and User Guides for Novatek UBZ-305. We have
1
Novatek UBZ-305 manual available for free PDF download: Operation Manual
Novatek UBZ-305 Operation Manual (42 pages)
UNIVERSAL MOTOR PROTECTION UNIT
Brand:
Novatek
| Category:
Power distribution unit
| Size: 2 MB
Table of Contents
Table of Contents
2
Application
4
General
4
Operating Conditions
5
Changes in the Characteristics and Operation of UBZ Depending on Program Version
5
Controls and Overall Dimensions
5
Design
5
Displays and Controls
6
Specifications
7
Basic Technical Specifications
7
Measured, Calculated, Special and Service Parameters
8
Programmable Parameters
10
Protection Functions
16
Protection Types
16
Maximum Phase Current Protection
17
Ground Fault Protection
17
Negative-Sequence Current Protection (Imbalance)
17
Minimum Phase Current Protection
18
Delayed Start and Rotor Blocking
18
Thermal Overload Protection
19
Windings Overheating Protection
19
Voltage Protection
20
Phase Sequence Protection
20
Network Power Frequency Drop Protection
20
Network Power Frequency Rise Protection
20
Protection for Minimum Resistance of Motor Winding Insulation
20
Protection for Motor Phase (-S) Break (Loss)
20
Serviceability Check of External Magnetic Starter
20
Selection of Current Transformers
20
Ubz Design
21
Safety Precautions
21
Intended Use
21
UBZ Preparation for Use
21
UBZ Control
23
Modes of UBZ Control and Status
23
Measured and Calculated Parameters View State
24
Mode of Keyboard Blocking
24
Mode of Minimum Number of Settings
25
Mode of User Level
25
Mode of Advanced User Level
26
Factory Settings
26
Current Time Setting
26
UBZ Faults Reset on Front Panel
27
Energy Meters Reset
27
UBZ Operation
27
UBZ Operation before Load Relay on
27
UBZ Operation after Load Relay and Motor on
28
Functional Relay Operation
28
Operation of UBZ Together with Computer
28
Communication Protocol and Interface
28
Communication Parameters
29
Communication Protocol
29
Command Codes
30
Control of Correct Transmission of Data Packet
32
Register Addresses
32
Time Parameter Registers
33
Communication Errors Handling
33
Remote Control of the Motor Using RS-232/RS-485 Interface
34
Command for UBZ FAULTS RESET
35
Command for UBZ RESTART
35
UBZ Factory Settings Using MODBUS Interface
35
Emergency Conditions System
35
Emergency Conditions Logbook
37
Motor Control on UBZ Front Panel
37
Motor Control Using Analog Inputs
38
Components
38
Maintenance
38
Transportation and Storage
38
Service Life, Shelf Life and Manufacturer Warranty
38
Acceptance Certificate
39
Claims Data
39
Appendix А - Current Protection with Dependent Time Delay
40
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