- C-358 is SACA's Autonomous Mobile Robot Systems 1 micro-credential, tested through an online Silver exam plus an optional proctored Gold hands-on assessment.
- Study scope spans startup/shutdown, emergency stop and reset, manual/auto operation, mission programming, mapping, Wi-Fi setup, and fault diagnosis.
- SACA education members get free certification access when enrolled at a member institution - but plan training and equipment separately.
- Prep with original C-358 practice questions and an AMR study guide, using separate exercise sets for Silver knowledge and Gold lab skills.
What C-358 Actually Tests
C-358 is not a generic robotics quiz. It's the Autonomous Mobile Robot Systems 1 micro-credential issued by the Smart Automation Certification Alliance (SACA), built specifically to validate that a technician can safely operate, program, and troubleshoot an industrial AMR on a live production floor. If you've searched around and found content describing a different "C-358," ignore it - this guide covers only SACA's AMR credential, and every fact below traces back to that scope.
Before you open a single practice question, it helps to understand the credential's shape. SACA offers two tiers: a Silver level assessed through its online testing system, and a Gold level that adds a proctored, hands-on performance assessment on top of the Silver knowledge base. If you're unclear which one applies to your goals, our requirements breakdown walks through eligibility for each tier in more detail.
Silver vs. Gold: Choosing Your Path
Most candidates preparing for C-358 for the first time start with Silver because it's fully assessed online and doesn't require scheduling proctored lab time. Gold is the credential employers tend to weight more heavily for hands-on floor roles, since it confirms you can actually execute the procedures under observation, not just recognize the correct answer on a screen.
| Aspect | Silver | Gold |
|---|---|---|
| Assessment method | Online testing system | Online knowledge base + proctored hands-on performance assessment |
| Best suited for | Establishing baseline AMR knowledge | Demonstrating operational competence on equipment |
| Preparation focus | Concepts, terminology, procedures | Physical execution of startup, mapping, and fault-correction tasks |
| Typical next step | Move on to Gold when equipment access is available | Job-ready validation for AMR operator/technician roles |
Whichever path you're aiming for, the underlying content is the same set of domains - so nailing them once pays off twice. For a deeper dive into how score thresholds work on each tier, see our passing score guide.
The Content Areas You Must Master
SACA's published study scope for C-358 covers a specific, practical set of topics rather than abstract robotics theory. Treat each of these as its own mini-domain when you plan review sessions.
Safety
Covers the rules and hazard awareness required before anyone touches an AMR - lockout procedures, pedestrian zones, and how safety interlocks interact with automatic mode.
- Know which safety devices halt motion automatically versus which require manual acknowledgment
Normal Startup and Shutdown
The sequence for bringing an AMR online and taking it offline without triggering faults or leaving the system in an unsafe state.
- Memorize the order of power, software initialization, and mode selection steps
Emergency Stopping and Reset
How E-stop circuits behave, what conditions must be cleared before reset is possible, and how reset differs from a normal restart.
- Understand why a reset can fail even after the physical E-stop is released
Manual and Automatic Operation
The differences in control authority, speed limits, and safety behavior between manually driven and fully autonomous modes.
- Be ready to identify which mode a described scenario is operating in
Battery Charging
Charging station interaction, automatic docking behavior, and how state-of-charge affects mission assignment.
PC-Based Control Software
Navigating the software used to configure, monitor, and issue commands to the AMR fleet or unit.
Mission Programming with Logic and I/O
Building mission sequences that respond to logic conditions and input/output signals - arguably the most conceptually demanding area.
- Practice tracing a mission's logic flow from trigger to completed action
Workspace Mapping: Zones, Positions, and Markers
Creating and editing the map an AMR navigates by, including how zones restrict speed or access and how markers anchor specific positions.
Wi-Fi Configuration
Network setup basics that keep the AMR connected to its control system without dropping mission data mid-task.
Fault Diagnosis and Correction
Reading fault codes and system feedback to identify root causes and apply the correct fix rather than a generic reset.
For a fuller breakdown of how these areas typically get weighted in your review time, our exam domains guide goes section by section.
Key Takeaway
Mission programming and fault diagnosis tend to feel the most abstract on first read - schedule extra repetition time there rather than on the more procedural startup/shutdown content.
How the Exam Is Structured
Silver is delivered through SACA's online testing system, so expect a computer-based format built around the domains above - questions that test whether you can apply a procedure or interpret a fault condition, not just recall a definition. Gold layers on a proctored hands-on component, meaning an assessor watches you actually perform tasks like startup, mapping edits, or fault correction on real or simulated equipment.
Because the question style leans on applied scenarios, memorizing a glossary of AMR terms won't get you far. You need to be able to picture the workflow: what happens on screen when you initiate automatic mode, what the software shows when a marker is misplaced, what a specific fault code implies about the sensor or motor involved. If you want a sense of how demanding this actually feels in practice, our difficulty guide compares the knowledge and hands-on components side by side.
Building a Study Plan Around the Domains
A generic study calendar won't help much here - your plan should map directly onto the ten content areas. Here's a sequencing approach that respects how the domains build on each other: safety and startup/shutdown first (foundation), operation and charging next (daily-use skills), then mapping and mission programming (the technical core), and finally Wi-Fi configuration and fault diagnosis (troubleshooting layer, which depends on understanding everything before it).
Foundations
- Safety procedures and hazard zones
- Normal startup and shutdown sequences
- Emergency stopping and reset logic
Daily Operation
- Manual vs. automatic mode differences
- Battery charging and docking behavior
- First pass through PC-based control software
Technical Core
- Workspace mapping: zones, positions, markers
- Mission programming with logic and I/O
- Practice questions targeting these two areas specifically
Troubleshooting and Review
- Wi-Fi configuration basics
- Fault diagnosis and correction scenarios
- Full run-through with original C-358 practice questions
Use spaced repetition specifically on the mission-programming and fault-diagnosis material - these are the domains most likely to feel unfamiliar the second time you see a scenario, so revisit them more often than the procedural sections. A one-page reference like our C-358 cheat sheet is useful during Week 4 for a fast final review rather than as your primary study source.
Who Hires C-358 Holders
C-358 targets roles where a technician directly operates, configures, or maintains AMRs on a warehouse, distribution, or manufacturing floor - think AMR operators, automation technicians, and maintenance staff working alongside mobile robot fleets. Because the credential is skills-specific rather than a broad engineering degree, it functions well as a hiring signal for employers who need someone who can start up equipment safely, build a mission, and correct a fault without escalating every issue. If you're weighing how this fits into a career path, our C-358 jobs overview and salary guide go deeper on where the credential tends to show up in job postings.
If you're still deciding whether the time investment is worthwhile relative to your career goals, it's worth reading our ROI analysis before committing to a study timeline.
Registration and Membership Mechanics
SACA structures access to C-358 partly through its education membership program: students enrolled at a SACA member institution get free certification access as part of that membership. That covers the certification itself - training time and any equipment access for the hands-on Gold component are typically planned and budgeted separately, so don't assume "free certification access" means every cost is covered.
If you're not going through a member institution, or you want the full picture of what to budget regardless of path, our certification cost breakdown lays out the pricing mechanics in more detail. It's also worth checking exam dates and scheduling early, especially if you need to coordinate proctored Gold lab time around equipment or instructor availability.
Key Takeaway
Don't wait until the week before your exam to confirm whether your institution's SACA membership actually covers your certification tier - verify this early in your planning, not during Week 4 of study.
Mistakes That Sink First-Time Candidates
- Treating Silver as purely theoretical. Even though it's an online knowledge assessment, the questions are built around real operational scenarios - study the workflow, not just terminology.
- Underestimating mission programming. Logic and I/O concepts are the most commonly underprepared area because they require applied reasoning, not memorization.
- Skipping fault diagnosis practice. Candidates often review "how things should work" but not "what it looks like when they don't" - fault codes and symptom recognition need dedicated study time.
- Assuming Gold prep is identical to Silver prep. Gold's proctored performance assessment requires rehearsed physical execution; reading about a procedure is not the same as performing it under observation.
- Relying on a single study source. Pairing an AMR study guide with original C-358 practice questions and separate Silver/Gold exercise sets covers both recall and application - using only one leaves gaps.
Running full-length practice sessions on our C-358 practice test platform before your real attempt is one of the fastest ways to surface these gaps while there's still time to fix them. It's also worth reviewing what current data says about outcomes in our pass rate analysis so your expectations for exam day are realistic.
FAQ
They share the same underlying content areas - safety, operation, mapping, programming, and diagnostics - but Gold adds a proctored hands-on performance assessment on top of the Silver online knowledge test.
Silver preparation can largely be done through study guides and practice questions, but Gold's hands-on component requires access to training equipment, which SACA notes should be planned and budgeted separately from certification access.
Mission programming with logic and I/O, and fault diagnosis and correction, tend to require the most applied reasoning, so prioritize those over more procedural topics like startup/shutdown if your time is limited.
SACA's education membership includes free certification access for students enrolled at a member institution, but training and equipment access for hands-on components are handled separately.
Original C-358 practice questions paired with an AMR-focused study guide, plus separate exercise sets for Silver knowledge and Gold lab skills, most closely mirror the applied, scenario-based question style used in the real assessment.