OT Remote Access and Device Management Software
OT remote access software centrally manages secure VPN connections between service technicians and machines. It controls who may access which asset and when, and logs every session. Device management adds inventory, configuration and updates for routers and edge devices. It is used by service and maintenance teams at machine builders, at operators of production, energy and building systems, and at service providers.
Sr Controls Engineer, ALPS Inspection 
Project Manager Digital Engineering, Albrecht Bäumer GmbH & Co. KG 
Head of Transport Center (Production Logistics & Mobility), Salzgitter Flachstahl 
Managing Director, BESI Marine Systems GmbH 
Security Manager IoT, CLAAS KGaA mbH 
Head of Development, SPALECK GmbH & Co. KG
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Who offers it
Device management / remote access software in practice
5 manufacturers from our partner network with 27 solution examples. Those with the most documented use in this category come first.
- Get in touch with Exor International SpA
Exor International SpA
Device management / remote access software6 solution examples
Condition MonitoringCorrective maintenanceDigital DocumentationIoT-based HMI platform modernises remote maintenance in leak testing
Dec 15, 2025Read more →
Digital DocumentationCritical infrastructure systems optimised: IoT as a success driver at Gilardoni
Apr 23, 2024Read more →
Digital DocumentationOpen source: data acquisition and visualisation for sustainable gas production
Mar 18, 2024Read more → 
IXON
Device management / remote access software7 solution examples
Digital DocumentationHow Niverplast uses IXON for logging data to AWS via MQTT
Jul 17, 2024Read more →
Condition MonitoringCorrective maintenanceDigital DocumentationDigital service portal as a white-label solution
Feb 23, 2026Read more →
Corrective maintenanceCondition MonitoringMachine fleet growth: from remote access to a digital service offering
Hans Weber Maschinenfabrik uses the IXON Cloud to turn remote maintenance into a central service platform. Around 50 employees instead of 10 to 12 now work with data from 180 connected machines, and far more issues are resolved remotely.
Oct 5, 2026Read more →
secunet Security Networks AG
Device management / remote access software7 solution examples
Fraud and Loss PreventionOperating distributed systems securely: with containers and edge platform
Aug 20, 2026Read more →
Fraud and Loss PreventionNIS-2 gap analysis at a machine manufacturer strengthens IT security
Nov 13, 2025Read more →
Digital DocumentationRethinking confidential communication – with encrypted business messengers
Jul 3, 2025Read more →
doubleSlash Net-Business GmbH
Device management / remote access software6 solution examples
Predictive MaintenanceDigital DocumentationMonetizing IoT services: from machine connectivity to revenue models
Connected machines alone do not generate revenue. At ZEISS Microscopy and EWE Go, doubleSlash shows how machine data turns into recurring revenue: Connect, Make Smart, Monetize.
Sep 14, 2026Read more →
Condition MonitoringDigital DocumentationAsset ManagementUsage-based billing with digital twins — demonstrated in waste management
Jun 22, 2026Read more →
Corrective maintenancePredictive MaintenanceDigital DocumentationConnect high-end microscopy systems – centralized data makes service predictable
Apr 9, 2026Read more →
SIEMENS AG | Industrial Wireless Communication
Device management / remote access software2 solution examples
What it is used for
What they are used for, and with what
Based on these manufacturers' solution examples: the most common use cases and the technologies their solutions speak.
What to look for
What OT remote access software does
Industrial remote access software is the central management layer for secure connections between service technicians and machines. Instead of maintaining separate VPN access for each customer, the router or edge device at the machine and the technician's laptop each open an outbound, encrypted connection to a central server. The server brokers the tunnels, so the plant operator does not have to open inbound ports. The software manages users, groups and permissions, logs every session and resolves address conflicts between identically configured machines.
Device management extends this to the full device lifecycle: inventory, health monitoring, configuration, certificates and remote firmware updates, even for large fleets.
Remote access software vs. router, security gateway and IoT platform
The industrial router is the hardware at the machine; the remote access software is the management layer behind it. A security gateway separates OT from IT with verifiable security, while a vendor-independent IoT platform also collects and visualizes data. The main reason to buy remote access software is secure, traceable access to distributed machines and sites. Its day-to-day users are service and maintenance technicians, whether at the machine builder, at the operator or at a service provider, while IT or OT managers typically run and approve the solution.
What to look for when choosing one
Key criteria are the security concept (encryption, two-factor authentication, role-based permissions, local approval by key switch or digital input), logging of every session and the choice between a cloud service and a self-hosted server. Add supported routers and edge devices, scalability to many sites, update management and interfaces to ticketing or service systems. The IEC 62443 series of standards provides guidance on security requirements.
In practice, remote access saves service trips, shortens downtime and lets the manufacturer run diagnostics or change programs within minutes. From the network, Siemens offers a management platform for VPN connections that works with its own routers.
Frequently asked questions about OT remote access
What is remote access software in industry?
Industrial remote access software lets a service technician connect securely to a distant machine or plant. Over this connection the technician can analyze faults, change parameters, upload programs to the controller or view the operator panel without traveling to site. It relies on a router or edge device at the machine and a central server that manages connections, permissions and session logs.
How does secure remote access to machines work?
The router at the machine and the technician's computer each open an outbound, encrypted VPN connection to a central server. The server joins the two tunnels once permissions and approval are in place. No inbound ports need to be opened at the plant. Operators often enable access locally with a key switch, and every session is logged for traceability.
What is OT remote access?
OT remote access is secure remote connectivity to operational technology such as controllers, drives and operator panels in plants. Unlike remote desktop tools for office IT, it is designed for machine networks: it handles industrial protocols, overlapping IP addresses and local approval by the operator. Access is granted per asset and role, and every session is recorded.
What is IoT device management?
IoT device management covers the full lifecycle of connected devices in the field. It includes registering and authenticating devices, monitoring their status, changing configurations, renewing certificates and rolling out firmware updates remotely. For operators, machine builders and service providers, it keeps hundreds or thousands of routers, gateways and edge devices secure and up to date without on-site visits.
How do over-the-air updates work for industrial devices?
An over-the-air update delivers new firmware or software to a device through its network connection. The device management system packages the update, rolls it out to selected device groups and verifies the result. Good systems check signatures, keep a fallback version and stage rollouts so a faulty update never hits the whole fleet. Maintenance windows ensure production is not interrupted.
On the podcast
Episodes with these manufacturers and their customers.
- #153Smart Manufacturing: How ALPS Inspection Uses IoT for Leak DetectionALPS Inspection · Exor International SpA · Jan 22, 2025Listen
- #206From Condition Monitoring to Proactive Service in Mechanical EngineeringIXON · SPALECK GmbH & Co. KG · aiXbrain GmbH · Feb 18, 2026Listen
- #121Digital Foam: Service packages for cutting machines plus more efficient production | IXON & BäumerAlbrecht Bäumer GmbH & Co. KG · IXON · Feb 7, 2024Listen
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