Janitza UMG 604 Manual

The Janitza UMG 604 is a high-precision power quality analyzer and energy monitoring device designed for industrial and commercial applications. It features comprehensive power measurement capabilities, advanced power quality analysis, extensive communication interfaces, and user-friendly configuration options. Below are key sections covering features, installation, operation, configuration, and troubleshooting.

Features at a Glance

Key components: High-resolution display, measurement inputs, communication ports, control buttons.

Feature	Description
Voltage inputs	For 3-phase voltage measurement up to 690V AC
Current inputs	For current transformer connection
Ethernet port	For network connectivity and remote access
USB interface	For data export and configuration
Digital inputs/outputs	For status monitoring and control functions
LCD display	High-resolution graphical display
Navigation buttons	For menu navigation and parameter setting
Power supply	24-230V AC/DC wide range input
Measurement accuracy	Class 0.5S for active energy
Harmonic analysis	Up to 50th harmonic

Installation

Unpack and inspect contents. Mount in appropriate enclosure.

1. Mount device: Use DIN rail mounting clip for standard 35mm rail.
2. Connect voltage inputs: Ensure proper phase sequence (L1, L2, L3, N).
3. Connect current transformers: Observe polarity markings.
4. Connect communication cables: Ethernet, USB as required.
5. Apply power: Connect to appropriate power supply.

WARNING! High voltage present - ensure proper safety precautions. Only qualified personnel should perform installation.

First-Time Setup

Power on device; follow initial configuration procedure.

1. Basic configuration: Set system parameters via front panel or software.
2. Voltage/current scaling: Configure transformer ratios and system parameters.
3. Communication setup: Configure IP address, protocols (Modbus TCP, PROFINET).
4. Measurement setup: Define measured values and recording intervals.
5. Save configuration: Store settings in non-volatile memory.

CAUTION! Verify all electrical connections before applying power.

Specifications

• Measurement Inputs: 3 voltage, 3 current (plus neutral)
• Voltage Range: Up to 690V AC phase-to-phase
• Current Inputs: 1A or 5A via current transformers
• Measurement Accuracy: Class 0.5S per IEC 62053-22
• Power Quality: THD, harmonics, flicker, unbalance
• Communication: Ethernet, USB, RS-485
• Protocols: Modbus TCP, PROFINET, DNP3, IEC 61850
• Power Supply: 24-230V AC/DC
• Operating Temperature: -25°C to +55°C
• Protection Class: IP20

Controls and Settings

Access menu system via front panel navigation buttons.

Front Panel: Navigation buttons (UP, DOWN, LEFT, RIGHT, ENTER, ESC), function keys.

Measurement Parameters: Voltage, current, power, energy, power factor, frequency. Power Quality: Harmonics, THD, unbalance, flicker. Communication: IP configuration, protocol settings, baud rates. System: Date/time, display settings, password protection.

Connecting Devices

Voltage inputs: Terminal blocks L1, L2, L3, N. Current inputs: Terminal blocks for CT connections. Communication: Ethernet, USB, RS-485.

1. Ensure power is disconnected before making connections.
2. Use appropriate cable types and ratings.
3. Follow wiring diagrams for proper connection sequence.
4. Verify insulation and grounding requirements.

Tip: Use shielded cables for communication connections to prevent interference.

Data Measurement

Comprehensive electrical parameter measurement capabilities.

1. Basic measurements: Voltage, current, power, energy, frequency.
2. Power quality: Harmonics, THD, unbalance, flicker.
3. Energy consumption: Active, reactive, apparent energy.
4. Maximum demands: Record peak power consumption.
5. Event recording: Voltage dips, swells, interruptions.
6. Data logging: Configurable recording intervals.
7. Alarm functions: Programmable thresholds and actions.
8. Trend analysis: Historical data analysis capabilities.

WARNING! Ensure proper configuration for accurate measurements.

Communication Interfaces

Multiple communication options for integration with control systems.

Interface	Protocols	Application
Ethernet	Modbus TCP, PROFINET	SCADA integration
RS-485	Modbus RTU	Serial communication
USB	Virtual COM port	Local configuration
Digital I/O	Status monitoring	Alarm outputs

Maintenance & Care

Disconnect power before maintenance. Use dry cloth for cleaning; avoid chemicals.

CAUTION! Do not use abrasive cleaners; ensure proper ventilation in installation location.

Regulatory Information

CE compliant: Meets European Union requirements. UL certified: Suitable for North American markets. IEC standards: Complies with IEC 62053 for electricity metering. Copyright © Janitza electronics GmbH. For technical support, visit www.janitza.com or contact local distributor.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display	Power supply issue	Check power connections; verify voltage.
Incorrect measurements	Configuration error	Verify CT ratios; check wiring polarity.
Communication failure	Network settings	Check IP configuration; verify cable connections.
Device not responding	Software issue	Perform reset; update firmware.
Data logging stopped	Memory full	Clear memory; adjust recording intervals.

Reset: Hardware reset via button combination or software reset.

Service: Contact authorized service center; www.janitza.com