Carlo Gavazzi VMUM4AS1T2X PV string monitoring master module with integrated data logger, RS485 communication and DIN rail mounting for renewable energy monitoring systems.
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Why Choose the Carlo Gavazzi VMUM4AS1T2X PV String Monitoring Master Module?
The Carlo Gavazzi VMUM4AS1T2X is a professional PV string monitoring master module and data logger designed for monitoring photovoltaic installations and renewable energy systems. As part of the Carlo Gavazzi EOS-Array PV String Monitoring System, it provides centralised communication, data logging and management for connected PV monitoring modules, enabling efficient supervision of solar energy installations.
The master module communicates using RS485 and is designed for DIN rail installation within electrical control panels. With integrated digital inputs, local display and data logging capabilities, it allows operators to monitor system performance and quickly identify faults within photovoltaic string monitoring systems.
Powered from a 12–28 V DC supply, the VMUM4AS1T2X offers reliable operation in commercial and utility-scale solar installations where dependable monitoring and communication are essential for maintaining maximum energy production.
Key Advantages
Dedicated PV string monitoring master module.
Designed for Carlo Gavazzi EOS-Array monitoring systems.
Integrated data logging for photovoltaic installations.
RS485 communication for system integration.
Compact DIN rail mounting design.
Supports efficient monitoring of large solar installations.
Key Features
Carlo Gavazzi EOS-Array master module.
Integrated data logger.
RS485 communication interface.
12–28 V DC operating supply.
Two configurable digital or temperature inputs.
Integrated 6-digit display.
DIN rail mounting.
Designed for photovoltaic string monitoring applications.
Reliable Monitoring for Solar Energy Systems
The VMUM4AS1T2X serves as the central controller for Carlo Gavazzi photovoltaic monitoring systems, collecting operational data from connected monitoring devices while providing communication and logging functions for system analysis and maintenance.
By continuously monitoring PV string performance, the module helps operators identify faults, improve energy production and simplify maintenance across commercial, industrial and utility-scale solar installations.
Typical Applications
Photovoltaic power plants.
Commercial solar installations.
Utility-scale renewable energy projects.
PV string monitoring systems.
Solar energy performance monitoring.
Industrial renewable energy installations.
Technical Specifications
Manufacturer
Carlo Gavazzi
Series
EOS-Array PV Monitoring
Model
VMUM4AS1T2X
Product type
PV string monitoring master module
Function
Master module and data logger
Communication
RS485
Power supply
12–28 V DC
Display
6-digit display
Digital inputs
2 configurable digital or temperature inputs
Digital outputs
None
Mounting type
DIN rail
Application
Photovoltaic string monitoring systems
System compatibility
Carlo Gavazzi EOS-Array PV monitoring system
Weight
Approx. 0.14 kg
Frequently Asked Questions
What is the Carlo Gavazzi VMUM4AS1T2X used for?
The VMUM4AS1T2X is a master module and data logger used to manage and monitor Carlo Gavazzi photovoltaic string monitoring systems.
Which communication interface does the module use?
The unit communicates using an RS485 interface for integration with compatible monitoring devices.
What power supply is required?
The VMUM4AS1T2X operates from a 12–28 V DC power supply.
Can the module be DIN rail mounted?
Yes, it is designed for straightforward DIN rail installation within electrical control panels.
Where is the VMUM4AS1T2X typically installed?
It is commonly installed in commercial and utility-scale photovoltaic systems where centralised monitoring and data logging are required.
Trusted by Renewable Energy Professionals Worldwide
Carlo Gavazzi PV monitoring solutions are trusted by solar installers, system integrators and renewable energy professionals to provide dependable monitoring, communication and performance analysis for photovoltaic installations.
Manufacturer
Carlo Gavazzi
Series
EOS-Array PV Monitoring
Model
VMUM4AS1T2X
Product type
PV string monitoring master module
Function
Master module and data logger
Communication
RS485
Power supply
12–28 V DC
Display
6-digit display
Digital inputs
2 configurable digital or temperature inputs
Digital outputs
None
Mounting type
DIN rail
Application
Photovoltaic string monitoring systems
System compatibility
Carlo Gavazzi EOS-Array PV monitoring system
Weight
Approx. 0.14 kg
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...