NETLink® PRO Compact

Netlink Pro compact

The devices of the NETLink family serve the purpose of programming, configuring, and visualizing S7 PLCs.

• RFC 1006 (ISO on TCP)
• CPU-to-CPU communication (with S7-300* and S7-400*)
• Support for all common S7 engineering tools
• Dynamic address assignment using DHCP
• Security functions for securing TCP/IP access
• Switchable PLC write protection
• Up to 16 TCP connections
• Up to 32 MPI/PROFIBUS connections
• Easy configuration via web interface
• Variables can be monitored in a browser window
• Support for slave configuration
• Electrical isolation for MPI/PPI/PROFIBUS
• MPI/PPI/PROFIBUS from 9.6 kbps to 12 Mbps
• For S7-200*, S7-300*, S7-400*
• Power can be supplied by the CPU or, alternatively, by an external DC 24 V supply

Why Choose the NETLink PRO Compact for Your S7 PLC Network?

The HELMHOLZ NETLink PRO Compact (700-884-MPI21) is the ideal MPI/PROFIBUS to Ethernet gateway for industrial automation engineers who need reliable remote access to Siemens S7 PLCs. Whether you are programming an S7-200, configuring an S7-300, or visualizing an S7-400, this compact communications processor provides seamless connectivity through the industry-standard RFC1006 protocol.

With support for up to 16 simultaneous TCP connections and 32 MPI/PROFIBUS connections, the NETLink PRO Compact is engineered for demanding industrial environments. Its electrical isolation protects your equipment, while the integrated web interface simplifies configuration and diagnostics. The device supports transmission rates from 9.6 kbps up to 12 Mbps with automatic detection, ensuring optimal performance across all bus speeds.

Frequently Asked Questions

What PLCs are compatible with the NETLink PRO Compact?

The NETLink PRO Compact is compatible with Siemens S7-200, S7-300, and S7-400 programmable logic controllers via MPI, PPI, and PROFIBUS interfaces.

What protocol does the NETLink PRO Compact use?

It uses RFC 1006 (ISO on TCP) for Ethernet communication and supports FDL protocol for fieldbus communication, enabling CPU-to-CPU data exchange.

Can I power the NETLink PRO Compact from the PLC?

Yes, the device can be powered directly from the CPU of your automation device or externally with a 24V DC power supply (18-30V DC range).

Leakage current clamp for measuring leakage current : PB-LSZ-CHB3

• The PB-LSZ-CHB3 clamp allows the measurement of leakage currents; eg: leak, Measures leakage currents, e.g. leakage and fault currents, and current pick-up of instruments without breaking the circuit.
• Measurements according to DIN VDE 0701/0702 and the German BetrSichV (BGV A3, VBG 4).
• With formidable reliability, this clamp detects very possible leakage currents, resulting from ElectroMagnetic field (EMC) problems.
• PB-LSZ-CHB3 Features: Measuring leakage currents Measurement of differential currents Resistance and voltage measurement Measuring frequency for AC current / Voltage: 40 Hz…1 kHz
• Acoustic continuity test MIN/MAX and relative measurement Manual selection of the measuring range integrated data hold Additional bar graph display
• Clamp opening: opening up to: 30 mm Automatic expansion Digital clamp for measuring leakage currents: 2 1.5 V IEC LR6 batteries,
• protective cover,
• measuring cables (1 x red, 1 x black) and user manual.

Ref: ATV-DDA-ZZ-004010 (formerly: PB-LSZ-CHB3)

Echolink S7 Compact

Echolink S7 Compact  :

• Echolink S7 Compact is an adapter for Communication with Siemens S7 Controllers
• Integration of S7-200, S7-300 and S7-400 into Ethernet Architectures
• PLC Programming and Communication via Interface
• Integration into Product Management and Visualization Applications echolink S7compact
• Integration of S7-200, S7-300 and S7-400 into 10/100 Mbit Ethernet Networks
• Direct communication with one or several controllers in any kind of TCP network structure
• Support of up to 16 simultaneous connections
• Use of standard TCP/IP for communication within plant or company networks and with the Internet
• Expansion of participants using MPI or PROFIBUS via pass-through PG port Interference-free integration into existing control systems
• Centralized configuration of all adapters in the network via PC
• Power supply directly from controller or via external power supply

Integration of S7-200, S7-300 and S7-400 into Ethernet Architecture

PLC Programming and Communication via Interface

Integration into Product Management and Visualization Applications

OPC UA Server & MQTT Publisher Gateway for SIMATIC S7 Controllers

uaGate SI makes data integration easier than ever before. The gateway supports the connection of SIMATIC S7-300, S7-400, S7-1200 and S7-1500 controllers from Siemens and uses the OPC UA standard for a simple and secure data integration of new and existing plants in higher-level management systems, such as ERP, MES or SCADA systems.

In addition, uaGate SI also offers MQTT Publisher functionality, enabling direct integration of PLC data into private or public IoT cloud applications on the IT side. The generic MQTT implementation supports the use of a large number of different cloud providers. Similar to the OPC UA standard, MQTT also supports various security mechanisms such as encrypted connections, certificates and user authentication, thus contributing to a high level of data security.

S5-TCP/IP-100 – For replacement of Siemens S5 PLC

The S5-TCP/IP-100 is an Ethernet interface for Siemens S5 Simatic. With its 10 MBit/s and 100 MBit/s, the processor communication offers an exceptional rate of data transmission. It communicates with S7 and S5 controllers, as well as Modbus TCP controllers, such as Schneider, Wag and many others.

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OPC UA SERVER GATEWAY FOR SIEMENS SINUMERIK 840D SL/PL CONTROLLERS

This gateway allows the reading of all data from the SINUMERIK 840D machine tool. It can also access the NC parts with its axis, tool, program and data, as well as specific alarms. In addition, a connection to the SIMATIC Siemens S7 can be established. The data from the 2 connections is available via the OPC UA and the MQTT interface and can be used for “Industry 4.0 Applications”

With the uaGate 840D gateway, important spindle and axis data such as torque and power consumption can be read and reused for many applications. currently used tool are accessible. For example, this data is available for condition monitoring, predictive maintenance, for data logging, or for analysis tasks, such as spindle and axis monitoring. The gateway can also be used to acquire data from older SINUMERIK 840D controllers. Thanks to the preconfigured data symbol file for the standard use case based on one channel, three axes and one spindle, the user does not need any specific SINUMERIK know-how for reading the data.

The product can simply be mounted next to the SINUMERIK NCU on a DIN rail and requires a 24 VDC power supply. It has two independent Ethernet interfaces, one addressing the machine and the other the computer network. Between these, the gateway acts as a firewall. Setup is just a few clicks away using any web browser and the built-in web server

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