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Network and Communication Diagnostics

Network and Communication Diagnostics

Complexity and diversity make monitoring and optimizing your Real-Time Ethernet network a challenge, because faults need to be found and eliminated as quickly as possible.

Our netANALYZER and the intuitive graphics software, netANALYZER Scope, give you a full overview of your Ethernet networks at all times—regardless of the protocol or application in use. This allows you to measure important key data such as subscriber lists, alarms, process values, network usage and telegram jitter without any impact on the network or PLC. netANALYZER can also remain autonomous in a system for a longer period of time with the help of the trigger function. When defined events occur, netANALYZER automatically creates a telegram snapshot.

netMIRROR is the simple, reliable and efficient solution for integrating permanent test access point (TAP) into your industrial communication networks without affecting the network, whether for monitoring your traffic, quick troubleshooting or as part of your digital services.

Network Diagnostics

Our netANALYZER gives you a full overview of your Ethernet networks at all times—regardless of the protocol or application in use.

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Ethernet Test Access Point

Reliable and fail-safe access to data traffic in industrial networks is essential for anomaly detection. netMIRROR has already proven itself in numerous challenges in this area.

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The netANALYZER is a tool for the simple analysis of Real-Time Ethernet networks. The scope of delivery includes a capture-hardware for recording the telegrams on the network as well as a graphical user software for Windows with extensive analysis functions. Of course, the netANALYZER hardware can also be used together with other analysis software such as Wireshark.

Using netANALYZER and the addon software netANALYZER Scope you always have your Ethernet network at your fingertips. Measure important key data such as station lists, alarms, process values, network load and telegram jitter without affecting the network or PLC.

Product overview netANALYZER ->

  • Passive recording with zero-delay < 1 ns
  • Capture up to 4 Ethernet ports and 4 digital switching events
  • ± 5 ns measurement accuracy, 1 ns resolution
  • Detailed error information for each telegram
  • Rugged carrying case for field use

Quicktest function for easy diagnosis of

  • Network stations
  • Cyclic and acyclic connections
  • Alarms and other important events

Furthermore:

  • Comprehensive trigger function
  • Import of frame records for graphical analysis
  • Save and load complete analysis projects

Using our addon software netANALYZER SCOPE you minimize your efforts regarding the manual analysis of endless telegram records

Besides that, it enables joint display on a timeline of:

  • Process data
  • Network events
  • Network load
  • Frame jitter
  • Frame delay

netMIRROR is the simple, reliable and efficient solution for integrating a permanent test access point (TAP) into your industrial communication networks.

Whether for monitoring your data traffic, for quick troubleshooting or as part of your digital services - with netMIRROR you and your customers always have all networks in view.

Product page netMIRROR ->

Stalling production lines, unfulfilled supply contracts and angry customers – no company can afford to stop production due to errors in the communication paths of modern manufacturing. In such a situation, the key is to save time. The fault must be found and corrected quickly so that production can continue to run smoothly.

The netMIRROR test access point (TAP) mirrors the Ethernet data traffic of a factory non-reactively.

 

Located immediately after the controller, the netMIRROR TAP allows the uninterrupted connection of a diagnostic device during operation. In addition, the passive design of TAPs gives them protection from possible unintentional interference from a connected diagnostic device or a PC for telegram recording. The network connection is maintained even when there is no power, for example because of a power outage of netMIRROR.

netMIRROR is suited for 10BASE-T as well as 100BASE-TX networks and has a real zero delay on the network side (< 1 ns).

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Support for your projects

Are you looking for an integration partner for your industrial communication project? From multi-protocol capable netX chips to IIoT applications - our network of partner companies offers you the support you need!

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Customer Center / Sales Hilscher Gesellschaft für Systemautomation mbH

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Communication controllers and printed circuit boards are extensively tested at Hilscher in Germany.

From the netX chip to the cloud – Hilscher technology

We make industrial communication possible. From legacy fieldbus to Real-Time Ethernet and the cloud. Our solutions are multi-protocol capable, flexible and reliable. Learn more about how our netX software and hardware technologies work and how we make machine data accessible for you with our IIoT platform netFIELD.

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Analysis Devices FAQ

Hilscher analysis devices are industrial tools for diagnosing and monitoring Industrial Ethernet networks. They help identify communication issues, quickly locate network faults, and ensure the availability of machines and systems.

  • Real-time monitoring of network traffic
  • Analysis of communication protocols (e.g., PROFINET, EtherCAT, etc.)
  • Fault diagnosis in the event of disturbances or failures
  • Long-term recording for documentation of network conditions

  • netANALYZER – analysis device for Industrial Ethernet (PROFINET, EtherCAT, EtherNet/IP, etc.
  • netSCOPE – software extension for the netANALYZER enabling automated data analysis without interfering with the PLC or device software

  • Industrial Ethernet: PROFINET, EtherCAT, EtherNet/IP, Modbus TCP, CC-Link IE Field
  • IoT interfaces: Analysis of protocols such as OPC UA or MQTT (in combination with edge devices)

  • Fast fault localization in case of network issues
  • Reduced downtime through precise diagnostics
  • Real-time-capable recording, even in highly dynamic networks
  • Cost efficiency due to reduced maintenance and service effort
  • Support for retrofit and modernization of existing systems

The netANALYZER is inserted into the Industrial Ethernet network and records telegrams in real time. With nanosecond-level time resolution, it enables detailed analysis of cycle times, jitter, and packet loss—ideal for commissioning, monitoring, and troubleshooting.

netSCOPE is the matching software for the netANALYZER. It visualizes recorded data packets, displays protocol details, and provides dedicated diagnostic views for PROFINET, EtherCAT, EtherNet/IP, and other protocols.

  • Commissioning of new machines and systems
  • Maintenance and service in production environments
  • Troubleshooting of unclear communication issues
  • Quality assurance through continuous monitoring
  • Retrofit projects to securely integrate legacy and modern networks

  • Machine and plant builders commissioning networks
  • Service and maintenance technicians who need to resolve failures quickly
  • System integrators managing heterogeneous networks
  • Manufacturing companies aiming to ensure high system availability

They increase transparency in complex communication networks and provide a reliable data basis for predictive maintenance and process optimization. As a result, they are a key component of modern smart factory and IIoT concepts.

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