Industrial Communications

Industrial communications equipment carries data between field devices, controllers, control rooms and remote sites. This category at Seven Star LLC covers industrial Ethernet switches, cellular routers and gateways, fieldbus and network accessories, time servers, telecom boards and rugged mobile devices, from Siemens, Winsonic, Hirschmann, MOXA and Meinberg among others. Seven Star is the agency for Winsonic in Oman and the GCC, whose managed and unmanaged M12 PoE switches and industrial 4G and 5G routers make up a large part of the listing.

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Siemens APACS Communication Module – ModulNET Interface PC Card (P/N 16413-15, old PN 16267-1)

Siemens

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About Industrial Communications

83 products 23 brands

Industrial communication products in this category

Ethernet switches form the largest group. Siemens SCALANCE, Hirschmann and MOXA units are switches for control cabinets, managed or unmanaged, with copper and fiber ports. The Winsonic EN 50155 switches use M12 connectors and sealed housings, a design intended for railway vehicles and other locations with vibration and moisture, and offer PoE for cameras and access points. Routers and gateways include Winsonic industrial 4G and 5G VPN routers and an energy consumption gateway for remote metering. Network accessories cover Siemens SCALANCE removable storage media, antenna cables and system bus cables. Meinberg equipment provides network time synchronization for substations and control systems. The category also contains telecom and telecontrol boards from Ericsson, IDS GmbH and FiberHome, IKUSI headend modules, Motorola communication equipment and Blackview rugged smartphones.

How to select an industrial Ethernet switch

Decide first if the switch must be managed. Managed switches support VLANs, ring redundancy, port diagnostics and SNMP, and are needed for any network with redundant paths or with PROFINET and EtherNet/IP diagnostics. Unmanaged switches suit small machine networks. Then fix the port count and type, copper speed, fiber type and connector, PoE budget, supply voltage and redundancy of the power input, the mounting style and the operating temperature range. For outdoor cabinets in Gulf climates the temperature rating deserves a careful look. Hazardous-area or substation use adds further approvals, for example IEC 61850-3 for substations.

What to send for a network equipment quotation

Send the part number, or the port list, redundancy protocol, supply voltage, mounting and approvals needed. For routers add the cellular bands used by your network operator and the VPN type.

What to include in your inquiry

These details let us quote the right item the first time.

Full part number or order code
Hardware and firmware revision, when replacing a part
Control system or PLC family it must work with
New installation or replacement of an obsolete part
Quantity and required delivery date

Missing some of them? Send what you have. A nameplate photo or an old part number is enough to start.

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Request a Quote for Industrial Communications

Looking for a specific model, part number or brand in Industrial Communications? Send us your requirements and quantities. Seven Star LLC sources genuine industrial equipment for customers across Oman and the GCC and replies with a formal quotation.

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Frequently Asked Questions

When do I need a managed switch instead of an unmanaged one?

Use a managed switch when the network has a ring or other redundant path, when traffic must be separated into VLANs, when you need port mirroring and diagnostics, or when the automation protocol expects the switch to appear as a device in the PLC project. Unmanaged switches simply forward frames and are adequate for a small, flat machine network with no redundancy.

What does EN 50155 mean on an Ethernet switch?

EN 50155 is the European standard for electronic equipment on railway vehicles. It sets requirements for supply voltage variation, temperature classes, shock and vibration, and electromagnetic compatibility. Switches built to it normally use M12 screw-locking connectors instead of RJ45. The same properties make them a common choice for vehicles, mobile machinery and other locations with continuous vibration.

How do I choose an industrial cellular router for a remote site?

Check the frequency bands and technology (4G or 5G) supported by the mobile operator at the site, the number of SIM slots for operator failover, the VPN protocols your IT department accepts, and the local interfaces: Ethernet ports, serial ports for Modbus RTU devices, and digital I/O. Then confirm supply voltage, antenna connectors and operating temperature for the cabinet where it will sit.

Can a Siemens SCALANCE switch be replaced without reconfiguring it?

If the old switch used a removable storage medium, its configuration is stored there and can be moved to a replacement of the same type, which then takes over the settings on power-up. The replacement must be a compatible model and firmware. Without the medium, the configuration has to be loaded from a saved file or re-entered. Give us the full order number so we match the device exactly.

What information is needed to quote a network switch or router?

The manufacturer part number if known. Otherwise: number of copper and fiber ports, speed, fiber mode and connector, PoE requirement, managed or unmanaged, redundancy protocol, supply voltage, mounting, operating temperature and required approvals. For routers add cellular bands, SIM count and VPN type. For cables and accessories, name the device they connect to.

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