Softing Industrial · Solution area 02

PLC, CNC & Legacy Controller Connectivity

Connect current and brownfield controllers to modern information systems without obscuring the boundary between machine control and data access.

Softing SDEX Suite Gateway
siAccess
ACCON NetLink
Application-led selection

Selection by function and lifecycle

Current platforms, family selection pages and installed-base products are deliberately distinguished.

Fanless DIN-rail appliance for deploying the SDEX industrial data-connectivity platform close to machines and production networks.SDEX Suite GatewayCurrent platform
Software library for direct access to compatible Siemens S7 PLC and SINUMERIK CNC data from Windows and Linux applications.siAccessCurrent library
Compact PROFIBUS/MPI-to-Ethernet adapter for integrating supported SIMATIC S7-200/300/400 and selected SINUMERIK 840D Power Line installations into Ethernet-based engineering and data architectures.ACCON NetLinkCurrent brownfield adapter
Compact gateway for exposing documented SIMATIC S7 controller data through OPC UA and MQTT.uaGate SIMigration review required
Compact gateway for exposing one documented Modbus TCP controller through OPC UA and MQTT.uaGate MBMigration review required
Gateway for accessing compatible SINUMERIK 840D Solution Line and Power Line PLC, NC and drive information.uaGate 840DLast-time-buy published
Installed-base industrial edge gateway route for PLC/CNC connectivity and information-layer integration.edgeGateMigration / installed base
System architecture

PLC, CNC & Legacy Controller Connectivity

Use this as a selection framework; exact protocol roles, firmware, licences and certification remain product-dependent.

01PLC / CNC
02Existing network
03Softing access layer
04OPC UA / API / MQTT
05MES / SCADA / software
Keep deterministic control in the controller/DCS. Softing provides access, standardization, diagnostics, asset-management or information-layer connectivity.
Dedicated pages

Softing product and family routes

Open the dedicated page for technical data, lifecycle status, comparison guidance and official resources.

Application fit

Typical engineering objectives

01

SIMATIC S7 data

Confirm protocol, topology, access role, data consumer and lifecycle before final selection.

02

SINUMERIK CNC data

Confirm protocol, topology, access role, data consumer and lifecycle before final selection.

03

Modbus TCP access

Confirm protocol, topology, access role, data consumer and lifecycle before final selection.

04

Brownfield S7 retrofit

Confirm protocol, topology, access role, data consumer and lifecycle before final selection.

05

Software library access

Confirm protocol, topology, access role, data consumer and lifecycle before final selection.

06

Gateway migration

Confirm protocol, topology, access role, data consumer and lifecycle before final selection.

Engineering inputs

Model selection criteria

Installed systemController/device models, firmware, network protocol and topology.
Data / asset objectiveRead/write variables, parameterization, diagnostics, monitoring or development role.
Northbound interfaceOPC UA role, MQTT broker, API, FDI/FDT, SCADA/MES or application library.
DeploymentWindows, Docker, gateway, DIN rail, OEM device or industrial PC.
CybersecurityNetwork zones, certificates, identities, remote access and patch ownership.
Commercial scopeLicences, runtime/redistribution terms, quantity, support and lifecycle.