Digital UnderVoltage Relay (GDR-D01) User's Manual V1.10
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Kyongbo Electronics Co., Ltd.
Table of Contents
Order of Titles
1. General Features
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2. Technical Data
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2.1 Voltage Input
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2.2 Rated Control Source Voltage
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2.3 Rated Frequency
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2.4 Case
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2.5 UnderVoltage
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2.6 Output Contacts / Capacity
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2.7 Insulation Test
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2.8 Mechanical Test
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2.9 Noise Test
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2.10 Temperature, Humidity Test
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2.11 Other Operating Condition
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3. Protection Characteristics
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3.1 UnderVoltage Function
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4. Subsidiary Function
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4.1 Metering
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4.2 Communication
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4.2.1 RS-232C Communication
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4.2.2 RS-485C Communication
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4.3 Self Diagnosis Function
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4.4 Fault Recording Function
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5. Display Panel Construction
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5.1 Front-side Display Panel Structure
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5.2 Key Pad & Communication Connector
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5.3 LED ( Operating Indicators )
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6. Display & Setting Modes
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6.1 Key Operations and LCD Construction
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6.1.1 LCD Default Display Condition, Backlight On/Off
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6.1.2 LCD Screen Display and Principles of Key Operation
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