On-Site Commissioning, FAT & SAT Services
Zero-defect plant integration. Expert Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), point-to-point I/O loop checkout, and 24/7 start-up engineering.
FAT Protocol & I/O Checkout Pipeline
Rigorous pre-shipment simulation and on-site validation methodology engineered to guarantee flawless automation deployment.
Commissioning Specializations
Professional automation testing, FAT/SAT protocols, and field engineering services engineered for seamless plant integration.
Rigorous Pre-Shipment Factory Acceptance Testing (FAT)
Comprehensive simulated testing of control panels, PLCs, safety circuits, and HMI screens in our workshop prior to machine dispatch to ensure zero surprises on-site.
On-Site Site Acceptance Testing (SAT) & Integration
Executing full mechanical, electrical, and control loop verification on the customer's factory floor under actual production operating loads.
Exhaustive I/O Wiring & Signal Calibration
Point-to-point verification of every digital sensor, analog 4-20mA loop, pneumatic valve, and VFD feedback line to guarantee absolute hardware integrity.
24/7 Production Start-Up & Operator Training
On-site engineering supervision during initial line commissioning, fault troubleshooting, PID loop tuning, and comprehensive training for plant technicians.
Commissioning Engineering Parameters
| Testing Parameter | Engineering Scope & Deliverables | Governing Standard |
|---|---|---|
| Testing Standards | IEC 61131, ISA-88 / ISA-95 commissioning guidelines, ISO quality protocols | IEC International Standard |
| Diagnostic Tools | Fluke digital multimeters, oscilloscope signal analyzers, fieldbus protocol monitors | NIST Traceable Calibration |
| Documentation | Signed FAT/SAT protocols, punch-list tracking, as-built electrical schematics | ISO 9001 Quality Control |
| Loop Verification | 4-20mA current loop injection, RTD/thermocouple simulation, frequency pulse checks | ISA Recommended Practice |
| Safety Sign-Off | Dual-channel e-stop verification, light curtain muting tests, interlocking checks | ISO 13849 Validation |
4-Step Commissioning & Testing Workflow
Pre-Commissioning Audit
Reviewing electrical schematics, PLC software logic backups, sensor specifications, and test protocol checklists.
Factory Acceptance Test (FAT)
Executing simulated fault injections, sequence-of-operation walkthroughs, and client sign-off before shipping.
Site Installation & SAT
Supervising mechanical rigging, power connections, field I/O loop checks, and live production SAT execution.
Handover & Training
Delivering finalized as-built documentation, operator training sessions, and sign-off on production stability.
Commissioning & FAT FAQs
What is the difference between FAT (Factory Acceptance Testing) and SAT (Site Acceptance Testing)?
FAT is conducted in our engineering facility prior to shipment, utilizing simulation tools to verify that PLC logic, HMI screens, and control panels function correctly. SAT is performed on your factory floor after installation, verifying that the entire integrated machine operates safely and accurately under real production conditions.
How do you handle punch-list items discovered during on-site commissioning?
Any discrepancies, wiring modifications, or logic tweaks identified during on-site testing are logged into a formal punch-list tracker. Our on-site engineers immediately resolve critical items, update the PLC/CAD documentation on the spot, and ensure 100% sign-off before final handover.
Let's execute your next industrial milestone.
From initial engineering architecture blueprints to final field commissioning, JFATA Engineering maps directly to your complex automation requirements. Select a specialized service track below to initiate formal project consultation with our engineering team.