Janitza UMG 96 PQ-L-LP PowerProAnalyzer

General Information and Disclaimer

This document provides information for the safe operation and product features of the UMG 96 PQ-L-LP. Janitza GmbH assumes no liability for injury, material damage, or financial loss resulting from disregard of the information provided.

The device fronts may deviate from the illustrations.

Disposal: Please dispose of individual parts, plastics, and metals according to local regulations, e.g., as electronic waste, plastics, or metals. Ensure proper disposal by certified disposal companies.

Copyright: © 2024 Janitza GmbH. All rights reserved. Any reproduction, processing, distribution, or use of this document is prohibited.

Safety Precautions

General Safety:

• Read and understand the product documentation before using the device.
• Ensure the device is installed correctly according to the installation manual.
• Only qualified personnel should perform installation and maintenance.
• Observe all safety and warning notices in the document.

Electrical Hazard:

• ❗DANGER: High voltages are present. Risk of electric shock leading to serious injury or death.
• ⚠️WARNING: Hazardous voltages are present in the circuitry. Take extreme care.
• ⚠️CAUTION: Observe national accident prevention regulations.
• ℹ️INFO: Always disconnect the power supply before performing any work on the device.

Symbols on the Device:

• ⚡PE/FE: Protective Earth / Functional Earth.
• FFuse: Indicates a fuse (UL/IEC listed).
• RIsolation: Indicates an isolation device.
• ⚠️General Warning Symbol: Draws attention to potential risks of injury or environmental damage.

Installation

Mounting:

• The device is designed for installation in control cabinets and distribution boards.
• Ensure the installation location is suitable and the device is securely mounted.
• Avoid environments with harmful or corrosive substances, dust, steam, or strong vibrations.
• The device is designed for indoor use only.

Diagrams:

• Device Front: Shows the display and buttons.
• Symbols: Explains various safety and operational symbols.
• Connection Diagrams: Illustrate connections for different grid systems (TN, TT, IT) and RS485 bus structures.
• RS485 Bus: Shows master/slave configurations.
• PC Connection: Illustrates connections via RS232 or Ethernet.

Electrical Connections

General:

• Ensure the power supply voltage and frequency match the device specifications.
• All connections must be made by qualified personnel.
• Observe the terminal assignments and wire cross-sections as specified in the technical data.

Voltage Measurement:

• Connect voltage inputs (V1, V2, V3, VN) according to the system type (3-phase 4-wire, 3-phase 3-wire).
• Ensure correct polarity.
• The voltage measurement inputs are protected against overvoltage up to 400 V (phase to neutral) or 720 V (phase to phase).

Current Measurement:

• Current transformers (CTs) are required for current measurement.
• Select CTs with appropriate ratios and secondary current (e.g., 1A or 5A).
• Ensure correct connection and polarity of CTs.
• The device supports Rogowski coils as current sensors.

Communication Interfaces:

• RS485: Used for communication with other devices or a gateway. Supports Modbus RTU protocol.
• Ethernet: Used for network connection and communication via Modbus TCP/IP.
• PC Connection: Via RS232 or Ethernet for configuration and data retrieval.

Diagrams:

• Connection Variants: Shows different wiring configurations for various systems.
• RS485 Bus Structure: Illustrates master/slave communication.
• PC Connection: Examples of connecting to a PC.
• UMG 604 as Gateway: Shows how to connect the UMG 96 PQ-L-LP to a UMG 604 gateway.

Settings and Configuration

Password Protection:

• The device has password protection. The default password is '00000'.
• It is recommended to change the default password for security.

Current Sensor Type:

• Select the appropriate current sensor type (e.g., current transformer or Rogowski coil) in the settings.
• Adjust the current transformer ratio accordingly.

Measurement Settings:

• Configure voltage and current measurement ranges.
• Set up communication parameters for RS485 and Ethernet.

Configuration Steps (General):

1. Press the 'Menu' button.
2. Navigate to 'Configuration' using the navigation buttons (3, 4) and confirm with 'Enter' (6).
3. Select the desired setting category (e.g., Password, Communication, Measurement).
4. Use navigation buttons (3, 4) to change values and confirm with 'Enter' (6).
5. To exit, press the 'ESC' button.

Password Configuration:

1. Navigate to 'Password' in the configuration menu.
2. Enter the current password (default '00000').
3. Enter the new password twice and confirm.

Current Sensor Configuration:

1. Navigate to 'Current Sensor' or 'Measurement Settings'.
2. Select the correct sensor type (CT or Rogowski coil).
3. Enter the correct transformer ratio.

Communication Settings:

1. Navigate to 'Communication' settings.
2. Select the interface (RS485 or Ethernet).
3. Configure the relevant parameters (e.g., baud rate, IP address).

Troubleshooting

Common Issues and Remedies:

Diagrams:

• Back of UMG 96 PQ-L-LP: Shows terminal layout.
• RS485 Bus Structure: Illustrates connection of multiple devices.
• PC Connection: Examples of connecting to a PC.

Technical Data

General:

• Power Supply: 230 V AC / 115 V AC (50/60 Hz) or 24 V DC.
• Power Consumption: Max. 4.5 VA / 2 W.
• Operating Temperature: -25 °C to +70 °C.
• Storage Temperature: -40 °C to +70 °C.
• Pollution Degree: 2.
• Protection: IP40 (front), IP20 (rear), IP54 (front with seal).

Measurement:

• Voltage Measurement: Max. 400 V (phase to neutral), 720 V (phase to phase).
• Current Measurement: Supports 1A or 5A CTs, or Rogowski coils.
• Measurement Range: 0.1 mV to 4000 mV (effective).
• Resolution: 10 Bit.
• Crest Factor: 3.
• Pollution Degree: 2.
• Input Impedance: 47 kΩ.

Communication:

• RS485: Modbus RTU, 9.6 kbps to 115.2 kbps.
• Ethernet: Modbus TCP/IP.
• PC Connection: Via RS232 or Ethernet.

Digital Inputs/Outputs:

• 3 digital inputs, 2 digital outputs.
• Analog outputs available.

Other:

• Internal Fuse: Not replaceable.
• Operating Humidity: Max. 90% RH (non-condensing).
• Mounting Orientation: As desired.
• Ventilation: No forced ventilation required.

Diagrams:

• Connection Terminals: Detailed view of terminal layout.
• Measurement Inputs: Shows connections for voltage, current, and communication.