Janitza UMG 96 RM Manual

The Janitza UMG 96 RM 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 robust data logging functionality. Below are key sections covering features, installation, configuration, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Data Monitoring and Analysis 8. Communication Features 9. Maintenance & Care 10. Regulatory Information 11. Troubleshooting

Features at a Glance

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

Feature	Description
Measurement Inputs	Voltage and current inputs for 3-phase systems
Communication Ports	Ethernet, RS-485, USB for data transfer
Display	High-resolution LCD for real-time data
Data Storage	Internal memory for historical data logging
Power Quality Analysis	Harmonics, flicker, voltage events monitoring
Energy Monitoring	Active, reactive, apparent energy measurement
Control Buttons	Navigation and function keys for operation
Alarm Outputs	Configurable relay outputs for events
Power Supply	24-230V AC/DC operating range
Mounting	DIN rail mounting for easy installation

Installation

Unpack and inspect contents. Mount on DIN rail in electrical cabinet.

Mount device: Secure on standard DIN rail in control panel.
Connect voltage inputs: Use appropriate terminals for L1, L2, L3, N.
Connect current transformers: Properly wire CTs to current inputs.
Connect communication cables: Ethernet, RS-485 as required.
Apply power: Connect to appropriate power supply.

WARNING! Ensure proper electrical safety procedures. Only qualified personnel should perform installation.

First-Time Setup

Power on device; configure basic parameters.

Basic configuration: Set system parameters, CT ratios, and measurement ranges.
Network setup: Configure IP address and communication protocols.
Measurement setup: Define measurement intervals and data logging parameters.
Alarm configuration: Set thresholds for alarm outputs.
Save configuration: Store settings to device memory.

CAUTION! Verify all electrical connections before applying power.

Specifications

Measurement Accuracy: Class 0.5S for active energy, Class 1 for reactive energy
Voltage Inputs: Up to 690V L-L, 3-phase + neutral
Current Inputs: 1A or 5A via current transformers
Power Quality: Harmonics up to 50th order, THD measurement
Communication: Ethernet, Modbus TCP/RTU, PROFIBUS DP
Data Storage: Internal memory with timestamped records
Display: Graphic LCD with backlight
Operating Temperature: -25°C to +55°C
Power Supply: 24-230V AC/DC, 50/60Hz
Protection Class: IP20 for front panel

Controls and Settings

Access menu via front panel buttons or web interface.

Front Panel: Navigation keys, ENTER, ESC, function keys.

Measurement Parameters: Voltage, current, power, energy, power factor, frequency. Power Quality: Harmonics, THD, unbalance, flicker. Communication: Network settings, protocol configuration. Data Logging: Interval settings, memory management. Alarms: Threshold configuration, relay outputs.

Connecting Devices

Voltage inputs: Direct connection or via potential transformers. Current inputs: Via current transformers. Communication: Ethernet, RS-485, USB.

Ensure device is powered off before making connections.
Use proper wire gauges for voltage and current circuits.
Follow wiring diagrams for correct phase sequence.
Configure communication parameters matching connected systems.

Tip: Label all wires for easy identification and maintenance.

Data Monitoring and Analysis

Real-time monitoring and historical data analysis capabilities.

Real-time display: View instantaneous values on front panel.
Historical data: Access logged data via web interface or software.
Power quality reports: Generate compliance reports and analysis.
Energy reports: Create consumption and cost analysis reports.
Event recording: Review power quality events and alarms.
Trend analysis: Analyze long-term consumption patterns.
Export data: Transfer data to external systems for further analysis.

WARNING! Regular data backup recommended to prevent data loss.

Communication Features

Multiple communication protocols for system integration.

Ethernet: Web interface for remote access and configuration. Modbus: TCP and RTU for SCADA integration. PROFIBUS: DP for industrial automation systems. Data export: CSV, XML formats for analysis software.

Maintenance & Care

Regular inspection and maintenance procedures.

Visual inspection: Check for physical damage or loose connections. Software updates: Regular firmware updates as available. Calibration: Periodic verification of measurement accuracy. Cleaning: Use dry cloth only; no liquids or chemicals.

CAUTION! Disconnect power before performing any maintenance.

Regulatory Information

CE compliant: Meets European Union requirements. UL certified: Suitable for North American markets. IEC standards: Compliance with relevant measurement standards. Copyright © 2025 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 and voltage
Communication failure	Network configuration	Verify IP settings and cable connections
Measurement errors	Wiring or configuration	Check CT connections and ratio settings
Data logging stopped	Memory full or settings	Clear memory or adjust logging intervals
Alarm not triggering	Threshold settings	Verify alarm configuration and thresholds

Reset: Hardware reset button or software reset option.

Service: Contact authorized service center for technical support.