Industrial Automation Insights
Expert guides on SCADA, IIoT, industrial protocols, and automation - written by engineers for engineers.
All Guides
Why Merobix Is Different: SCADA + PLC Programming + Panel Fabrication All In One
Most operators piece together 4–6 vendors for cloud SCADA, PLC programming, panel fabrication, and field services - adding 18+ months and $150K–$550K to their project. This guide breaks down how Merobix delivers the complete industrial automation stack in one engagement, in 4 weeks, with custom-quoted, all-inclusive pricing.
Read the Guide →SCADA Fundamentals
SCADA Glossary: 75+ Terms in Plain English
Plain-English definitions of 75+ SCADA terms - HMI, PLC, historian, Modbus, OPC UA, hot standby, alarm management, and oil & gas field jargon in one reference.
Read Article → ArchitectureSCADA vs DCS: Complete Comparison for 2026
Side-by-side comparison of SCADA and DCS architecture, cost, industries, vendors, and which to choose for your operation.
Read Article → DeploymentCloud SCADA vs On-Premise SCADA: Which Is Right for You?
Compare total cost, security, uptime, and scalability for cloud vs on-premise SCADA deployments with real numbers from Texas deployments.
Read Article → How It WorksHow Does SCADA Work? Plain English Explanation (2026)
Data flows from field sensors to the control room in five layers - explained in plain English with real oil and gas examples and a step-by-step alarm walk-through.
Read Article → Software & SetupSCADA Programming: What It Is and Why Cloud Eliminates It
What traditional SCADA programming involves, why it costs $50k–$200k, and how cloud SCADA replaces custom programming with plug-and-play deployment in hours.
Read Article → Cloud SCADASCADA as a Service (SCaaS): Complete Guide for Oil & Gas Operators (2026)
How SCaaS eliminates servers, licenses, and IT staff while delivering enterprise-grade monitoring on a custom-quoted monthly subscription.
Read Article →Industrial Protocols
MQTT vs OPC-UA for Industrial Monitoring
MQTT vs OPC-UA head-to-head on bandwidth, security, latency, and real-world use cases. Which protocol is right for your SCADA system?
Read Article → ModbusHow Modbus Works: A Plain English Guide
Modbus RTU vs TCP, function codes, coils, registers, and common errors explained in plain English. The protocol running on 90% of PLCs.
Read Article → IIoTIndustrial IoT vs SCADA: What's the Real Difference?
IIoT and SCADA overlap more than they differ. A clear breakdown of architecture, use cases, data models, and how modern systems merge both.
Read Article → Unified NamespaceUnified Namespace & SCADA Data Integration (2026)
How a UNS works, where MQTT Sparkplug B and OPC UA fit, and how to shortlist SCADA platforms with native data integration.
Read Article →Oil & Gas SCADA
Cloud SCADA Systems for Oil & Gas Operators: Complete Guide (2026)
Everything small and mid-size oil & gas operators need to know about cloud SCADA - wellhead monitoring, Permian Basin deployments, cost comparison, and same-day deployment.
Read Article → Oil & GasCloud SCADA Monitoring for Oil & Gas in the Permian Basin
How cloud SCADA reduces truck rolls, prevents overflow events, and gives Permian Basin operators real-time wellhead visibility.
Read Article → PLCPLC Programming: Allen-Bradley & Siemens for Texas Oil & Gas
Why Allen-Bradley and Siemens dominate Texas industry, and how PLCs integrate with cloud SCADA monitoring for oil and gas operations.
Read Article → PLCAllen-Bradley PLC Programming: Complete Guide for Oil & Gas (2026)
ControlLogix vs CompactLogix, Studio 5000, RSLogix 5000, ladder logic, SCADA integration, and real costs for Texas oil and gas projects.
Read Article → PLCSiemens PLC Programming: Complete Guide for Industrial Operations (2026)
TIA Portal, S7-1200, S7-1500, programming languages, SCADA integration, and Siemens vs Allen-Bradley comparison for oil and gas operators.
Read Article → Oil & GasPLC Programming for Oil & Gas: Complete Guide (2026)
Every PLC application in oil and gas - wellhead control, compressor automation, separators, tank batteries, pipelines - with Texas project costs.
Read Article → PLC BasicsWhat Is Ladder Logic? PLC Programming Explained in Plain English (2026)
Contacts, coils, timers, counters, and real oil and gas examples - ladder logic fundamentals explained for beginners and operations managers.
Read Article →Panel Fabrication & Controls
UL-Listed Control Panels in Texas: What Buyers Need to Know
What UL 508A listing means for control panels in Texas oil and gas - standards, Class 1 Division 2 ratings, and why it matters for your operation.
Read Article →Control Panel Fabrication: Complete Guide for Oil & Gas (2026)
UL 508A, panel types, components, costs, fabrication process, and how to choose a Texas fabricator.
Read Article → CertificationUL 508A Certification: What It Is and Why It Matters (2026)
Requirements, SCCR, insurance implications, and how to verify a fabricator's active UL listing.
Read Article → Oil & GasOilfield Control Panels: Types, Costs and Best Practices (2026)
Wellhead panels, compressor panels, hazardous location ratings, SCADA integration, and Permian Basin costs.
Read Article → SCADASCADA Panel Design: Best Practices for Oil & Gas (2026)
Components, cellular communication, solar power, wiring best practices, and connecting to cloud SCADA.
Read Article →Field Services & SCADA Comparison
Allen-Bradley PLC Service & Repair Texas
Emergency troubleshooting, ControlLogix programming, and CompactLogix configuration for oil and gas operators across the Permian Basin.
Read Article → Alarm MonitoringOilfield Alarm Monitoring: Complete Guide (2026)
SMS alerts, email notifications, alarm history, and real-time wellhead monitoring - how cloud alarm monitoring works for oil and gas operators.
Read Article → SCADA ReportingSCADA Reporting: Complete Guide to Industrial Reports (2026)
Shift reports, production reports, historian data export, and automated PDF reports from cloud SCADA - costs, types, and best practices.
Read Article → InfrastructureWhat Is a SCADA Server? Cloud vs On-Premise Explained (2026)
What a SCADA server costs, why it creates problems, and how cloud SCADA eliminates the need for on-premise servers entirely.
Read Article → SCADA FundamentalsSCADA vs PLC: What Is the Difference? (2026)
What PLCs do, what SCADA does, how they work together, and when you need both - complete guide for oil and gas operators.
Read Article → Wellhead MonitoringWellhead Monitoring System: Complete Guide (2026)
What wellhead monitoring measures, how cloud systems connect over cellular, hardware costs, and 60% truck roll reduction in the Permian Basin.
Read Article → Automation CostsOil & Gas Automation Cost Guide 2026
Real pricing for PLC programming ($5k–$150k), control panel fabrication ($500–$40k), SCADA systems, and field instrumentation for Texas operations.
Read Article →Industries & Applications
Water Utility SCADA Monitoring: Complete Guide (2026)
Real-time pump station monitoring, tank levels, flow rates, chemical dosing, and compliance reporting for municipal water utilities.
Read Article → ManufacturingManufacturing SCADA Monitoring: Complete Guide (2026)
Production line status, OEE tracking, equipment health, energy monitoring, and automated alerts for industrial plants.
Read Article → Chemical ProcessingChemical Plant SCADA Monitoring: Safety & Process Control (2026)
Reactor monitoring, safety system integration, emissions compliance, and remote process visibility for chemical facilities.
Read Article → Pipeline OperationsPipeline SCADA Monitoring: Complete Guide (2026)
Pressure monitoring, flow measurement, leak detection alarms, and PHMSA-compliant historian for pipeline operators.
Read Article → Industrial MonitoringRemote Monitoring for Industrial Equipment: Complete Guide (2026)
Pumps, compressors, generators, heat exchangers, and tanks - real-time cloud monitoring for any industrial asset.
Read Article → Natural GasNatural Gas SCADA Monitoring: Complete Guide (2026)
Gas gathering, compression, processing, dehydration, and metering - Modbus, DNP3, FERC/PHMSA compliance.
Read Article → Wind EnergySCADA for Wind Farms: Buyer's Guide (2026)
Turbine OEM SCADA vs the plant-level supervisory layer, IEC 61400-25, Modbus/OPC UA turbine data access, and curtailment tracking.
Read Article → Biogas & RNGBiogas Plant SCADA & Monitoring Guide (2026)
Digester temperature, gas-flow, and H2S safety monitoring for biogas, RNG, and landfill-gas plants - CHP, flares, and unmanned remote sites.
Read Article → Data CentersSCADA for Data Centers: Monitoring Beyond DCIM
SCADA vs DCIM vs BMS - BACnet and Modbus monitoring of generators, UPS, PDUs, and CRAC units, and why operators add SCADA-grade alarming.
Read Article → WastewaterLift Station SCADA Monitoring Buyer's Guide (2026)
Monitoring multiple wastewater lift stations - pump runtimes, SSO alarming, DNP3/Modbus RTUs, and TCEQ/EPA reporting.
Read Article →Comparisons & Buying Guides
SCADA Alarm Management Software Compared (2026)
ISA-18.2 rationalization, suppression, escalation chains, and guaranteed SMS delivery - how the platforms stack up.
Read Article → Enterprise SCADAEnterprise SCADA Platforms: The Buyer's Guide (2026)
The enterprise requirements matrix, an honest tour of the incumbent vendors, and when a lighter platform wins.
Read Article → SCADA EvaluationSCADA Trials, Demos & Proof-of-Concept Programs (2026)
Which vendors offer free trials or pilots - and how to run a 30-day PoC that proves real value.
Read Article → OT SecuritySecure SCADA for OT Networks: IEC 62443 Buyer's Guide (2026)
IEC 62443 levels, outbound-only gateways, RBAC and MFA, SIEM export, air-gapped deployment, and the questions to ask vendors.
Read Article → High AvailabilitySCADA High Availability & Redundancy Guide (2026)
Hot standby vs cold standby, failover mechanics, historian replication, and what to demand in an uptime SLA.
Read Article → Web-Based SCADAWhat Is Online SCADA? Web-Based SCADA Guide (2026)
How browser-based SCADA works, top vendors, security, and how to pilot a web SCADA solution for your operation.
Read Article → IIoT & SCADASCADA vs IoT: Industrial IoT and SCADA Platforms (2026)
How SCADA and IIoT work together - MQTT, OPC-UA, Modbus, and unified platform comparison for oil and gas.
Read Article → Panel FabricationUL 508A Certification Cost: Complete Pricing Guide (2026)
Application fees, inspections, training, label requirements, and how to get UL 508A certified in Texas.
Read Article → SCADA MigrationSCADA Migration Guide: How to Replace Legacy SCADA (2026)
Step-by-step process to migrate from legacy on-premise SCADA to cloud SCADA without disrupting operations.
Read Article → Allen-Bradley / PLCAllen-Bradley PLC Compressor Controls Guide (2026)
ControlLogix and CompactLogix for compressor sequencing, vibration monitoring, and SCADA integration via EtherNet/IP.
Read Article → Panel FabricationIndustrial Control Panel Fabrication: Complete Guide (2026)
Panel types, UL 508A standards, the fabrication process from engineering to FAT, and Merobix Texas shop.
Read Article →SCADA Security Hub: Every Security, Compliance & Certification Guide in One Place
Buying cloud SCADA and need to know what security to demand? Running on-premise and need to know which certifications apply? Start here - 60+ practitioner guides covering vendor vetting, tenant isolation, telemetry integrity, SOC 2, ISO 27001, IEC 62443, NERC CIP, and industry-by-industry compliance.
Explore the Security Hub →Cloud SCADA Security
Cloud SCADA Security Checklist: 12 Controls to Demand (2026)
The 12 non-negotiable security control families to verify before buying any cloud SCADA platform - identity, isolation, telemetry integrity, and more.
Read Article → Vendor Vetting50 Security Questions to Ask Your Cloud SCADA Vendor
A complete question bank organized by category - with what a good answer looks like and the red flags that should end the conversation.
Read Article → Tenant IsolationMulti-Tenant Cloud SCADA: How to Verify Tenant Isolation
Row-level security, signed request context, and cross-tenant testing - how to prove another customer can never touch your data.
Read Article → AuthenticationSCADA Authentication: MFA, Passkeys & Session Security
TOTP vs FIDO2 passkeys, session hardening, brute-force lockout, and step-up authentication for high-risk operations.
Read Article → Audit TrailsSCADA Audit Trails: Immutable Logs & Operational Evidence
Tamper-evident, chained audit records - what auditors expect, what forensics requires, and how to evaluate vendor claims.
Read Article → Data IntegrityTelemetry Integrity: Signed Data & Replay Protection
Ed25519 device signing, signed envelopes, payload digests, and replay detection - why unsigned telemetry is an operational risk.
Read Article → Control SafetyRemote Control Security in SCADA: Safe Setpoint Writes
Writable-tag allowlists, setpoint bounds, idempotent commands, read-back verification, and management-of-change gates.
Read Article → EncryptionSCADA Encryption Explained: In Transit, At Rest & In Search
TLS everywhere, field-level encryption, blind indexes for encrypted search, and how password and token storage should work.
Read Article → Edge SecurityEdge Gateway Security: Device Identity & Signed Updates
Unique device registration, signed gateway artifacts, store-and-forward buffering, and the outbound-only architecture.
Read Article → API SecuritySCADA API Security: Keys, Rate Limits & Webhook Hardening
Scoped API keys, lifecycle and revocation, rate limiting, SSRF defenses, and pinned-IP webhook delivery.
Read Article → DetectionSCADA Threat Detection: SIEM Integration & Security Alerting
Runtime detection of privilege probes and suspicious control activity, durable alert delivery, and SIEM export.
Read Article → Supply ChainSoftware Supply Chain Security for SCADA Buyers
Signed builds, SBOMs, dependency scanning, and release assurance - the questions SolarWinds taught every buyer to ask.
Read Article → ResilienceSCADA Backup & Disaster Recovery: Ransomware Resilience
Validated backups, controlled restores, RPO/RTO targets, and retention - recovering operations when the worst happens.
Read Article → Zero TrustZero Trust for SCADA: A Practical Implementation Guide
Identity-first access, least privilege, and microsegmentation - applying zero-trust principles to industrial operations.
Read Article → ValidationVerifying SCADA Vendor Security: Pen Tests & Validation
How to read penetration test reports, scope cross-tenant testing, and separate honest vendors from marketing claims.
Read Article → Incident ResponseOT Incident Response Plan for Cloud SCADA Operations
IR playbooks for operational technology - roles, tabletop exercises, vendor responsibilities, and evidence preservation.
Read Article → DeploymentCloud vs On-Premise SCADA Security: An Honest Comparison
Responsibility split by layer, certification differences, patching velocity, and staffing reality - when each model wins.
Read Article →Compliance & Certifications
SOC 2 vs ISO 27001 vs IEC 62443: Certifications Explained
What each certification covers, how vendors earn them, realistic timelines and costs, and what buyers should actually verify.
Read Article → SOC 2What Is SOC 2 Certification? Guide for Industrial Buyers
Type I vs Type II, the five Trust Services Criteria, the audit process, and how to read a SOC 2 report properly.
Read Article → ISO 27001What Is ISO 27001 Certification? Process, Cost & Timeline
The ISMS concept, Annex A controls, stage 1 and 2 audits, surveillance cycles, and the certificate-scope traps to check.
Read Article → IEC 62443IEC 62443 Certification: Levels, Process, Cost & Timeline
Security levels SL1–SL4, ISASecure certification schemes, and the realistic path, cost, and timeline to certification.
Read Article → Oil & GasOil & Gas SCADA Compliance: API 1164, TSA & IEC 62443
The standards pipeline and production operators actually face - and the concrete process to reach compliance.
Read Article → PipelinesTSA Pipeline Security Directives: SCADA Compliance Guide
Who is covered, what the directives require, cybersecurity implementation plans, and practical compliance steps.
Read Article → PipelinesAPI 1164 Third Edition: Pipeline SCADA Security Explained
The pipeline SCADA security standard's profile-based approach, its relationship to IEC 62443, and how operators apply it.
Read Article → PharmaPharma SCADA Compliance: 21 CFR Part 11, GAMP 5 & Annex 11
Data integrity (ALCOA+), electronic signatures, IQ/OQ/PQ validation, and audit trails for regulated manufacturing.
Read Article → WaterWater Utility SCADA Compliance: AWIA, EPA & IEC 62443
AWIA risk assessments, EPA cybersecurity guidance, and right-sized compliance for small and mid-size utilities.
Read Article → PowerPower & Utility SCADA Compliance: NERC CIP Explained
CIP-002 through CIP-014, BES cyber system categorization, audits and penalties, and what applies to smaller generators.
Read Article → ChemicalChemical Plant SCADA Compliance: CFATS, OSHA PSM & IEC 61511
Facility security, process safety management, safety instrumented systems, and how 61511 and 62443 fit together.
Read Article → Food & BevFood & Beverage SCADA Compliance: FSMA, HACCP & Part 11
Food safety modernization, HACCP records, SQF and BRC audits, and electronic records in food production.
Read Article → ManufacturingManufacturing SCADA Compliance: ISO 27001, NIST CSF & 62443
Framework selection, cyber-insurance questionnaires, customer flow-down requirements, and CMMC for defense suppliers.
Read Article → NIST 800-82NIST SP 800-82: The ICS Security Playbook Explained
What revision 3 covers, how it maps to IEC 62443 and the CSF, and how buyers use it to evaluate vendors.
Read Article → On-PremiseOn-Premise SCADA Certifications: Run It Yourself Guide
When you self-host, the compliance burden shifts to you - the certifications the vendor needs vs the program you must build.
Read Article →OT Security Practice
OT vs IT Security: Why IT Playbooks Break in Plants
Availability-first priorities, patching reality, protocol constraints, and safety - what changes when security meets operations.
Read Article → RansomwareRansomware & SCADA: Protecting Industrial Operations
How industrial ransomware unfolds and the segmentation, backup, and response controls that keep production running.
Read Article → Case Studies5 Industrial Cyberattacks and What Buyers Should Learn
Stuxnet, the Ukraine grid, Triton, Colonial Pipeline, and Oldsmar - mapped to the buyer checklist items each one proves.
Read Article → PatchingVulnerability Management for SCADA: Patching Without Downtime
CVE triage in OT, compensating controls, vendor patch cadence, and keeping systems current without stopping production.
Read Article → CredentialsCredential Security in SCADA: Passwords, Hashing & Rotation
The shared-login problem, modern password hashing, device secrets, and rotation practices that actually work.
Read Article → PhishingPhishing & Social Engineering in Industrial Operations
Operator-targeted phishing, vendor impersonation, MFA fatigue attacks, and building a human firewall.
Read Article → Insider ThreatInsider Threat in Industrial Control Systems
Least privilege, access reviews, offboarding discipline, separation of duties, and audit trails that catch misuse.
Read Article → Remote AccessSecure Remote Access for SCADA: VPN vs Outbound-Only
Jump hosts, the VPN CVE problem, vendor access management, and why outbound-only architecture changes the game.
Read Article → CellularCellular SCADA Security: 4G/5G Gateways Done Right
Private APNs, SIM security, outbound-only over cellular, and store-and-forward for remote sites.
Read Article → MQTTMQTT Security for Industrial IoT: TLS, ACLs & Signing
Broker authentication, per-device credentials, topic ACLs, and signed message envelopes for trustworthy telemetry.
Read Article → OPC UAOPC UA Security: Certificates, Modes & Hardening
SignAndEncrypt modes, certificate management, user tokens, and the deployment mistakes that undo built-in security.
Read Article → ModbusModbus Security: Risks and Practical Mitigations
No authentication, no encryption - the reality of the world's most common industrial protocol, and how to contain it.
Read Article → DNP3DNP3 Secure Authentication: What It Does and Doesn't Solve
SAv5 explained - where it applies in water and power, what it protects, and the gaps it leaves open.
Read Article → PLC HardeningPLC Security Hardening: A Practical Checklist
Default passwords, firmware updates, open services, program protection, and physical access - hardening the controller itself.
Read Article → Exposed HMIsExposed HMIs: The Internet-Facing SCADA Problem
Thousands of HMIs are visible to internet scanners right now - how exposure happens and the safe remote-access patterns.
Read Article → Network DesignIndustrial DMZ & Firewall Design for SCADA
Zones and conduits, firewall rule design, data diodes, and the common segmentation mistakes that create attack paths.
Read Article → Small OperatorsSCADA Security for Small Operators: No SOC Required
What matters most when a 3-person team runs everything - right-sized controls and where managed platforms carry the load.
Read Article → ResponsibilityThe Shared Responsibility Model in Cloud SCADA
Who secures what - vendor vs operator, layer by layer, and the contract clarity that prevents dangerous assumptions.
Read Article → Data RightsSCADA Data Residency, Retention & Export: Buyer's Guide
Data ownership, retention workflows, export rights, and offboarding portability - before you sign, not after.
Read Article → AI DetectionAI & Anomaly Detection in OT Security: Signal vs Hype
What machine learning genuinely catches in telemetry and authentication patterns - and what it doesn't.
Read Article → Self-AuditOT Security Self-Audit: A 30-Point Checklist
An actionable self-assessment across identity, network, device, data, and detection - find the gaps before someone else does.
Read Article → Access ReviewsUser Access Reviews for SCADA: Joiner, Mover, Leaver
Quarterly reviews, role sprawl, contractor accounts, and competency checks - keeping access lists honest.
Read Article → Alarm IntegrityAlarm Integrity: Making Sure Critical Alerts Arrive
Delivery assurance, retry and dead-letter handling, escalation chains, and proving the alarm pipeline itself is healthy.
Read Article → MobileMobile SCADA Access: Security Without the Risk
Mobile sessions, device loss, push notification safety, and read-only-by-default patterns for field access.
Read Article → RFP LanguageWriting Security Requirements Into Your SCADA RFP
Copy-ready requirement language, evaluation scoring, and the proof to demand - make vendors compete on security.
Read Article → Budget & ROIThe Business Case for OT Security: Budget & ROI
Honest breach-cost ranges, cyber-insurance pressure, and how to communicate OT security investment to the board.
Read Article → ReferenceSCADA Security Glossary: 60 Terms Explained
Row-level security, blind indexes, replay attacks, security levels, zones and conduits - the security vocabulary in plain English.
Read Article → Air-GappedAir-Gapped SCADA Security: Requirements, Updates & Myths
When regulation truly requires an air gap, why the gap alone isn't security, and how updates and monitoring work inside one.
Read Article →See Merobix In Action
Cloud SCADA monitoring for Texas oil & gas and industrial operations - deployed in hours, not months.