If you build industrial systems, you already know the pain: lab results don’t match field behavior, test steps get rewritten three times,
and procurement needs a “single SKU that won’t surprise us later.”
EA-PS 3200-02 C is a compact desktop programmable DC power supply built for repeatable
industrial testing: wide input 90–264Vac with active PFC, a flexible auto-ranging output stage,
protections (OVP/OCP/OPP/OTP), standard remote sensing, and automation-ready control via SCPI and Modbus RTU.
Quick spec snapshot: why EA-PS 3200-02 C fits industrial test workflows
EA-PS 3200-02 C sits in the EA-PS 3000 C family and is optimized for “high voltage, low current” validation:
0–200V and 0–2A, with total power 0–160W.
It’s also designed for global benches and plant labs: 90–264Vac, 45–66Hz input and active PFC.
For teams standardizing test equipment across sites (US + DE, R&D + production), that matters more than it sounds.
Here’s what BoFu buyers typically care about, summarized as “less rework, fewer surprises”:
- Auto-ranging output stage: one unit covers a wider test envelope than a fixed-range supply.
- High accuracy & fast regulation: stable results when your DUT is sensitive to rail drift.
- Remote sensing included: compensates cable drop automatically for accurate voltage at the DUT.
- Protection thresholds: OVP/OCP/OPP/OTP help prevent expensive failures during debug and in production lines.
- Automation readiness: SCPI and Modbus RTU command sets + optional USB/LAN/Analog interface cards.
- Discharge circuit: brings output below 60V in ≤10s to improve operator safety and reduce waiting time.
| Parameter | EA-PS 3200-02 C | Why it matters |
|---|---|---|
| Output power | 0–160W (auto-ranging) | More usable envelope vs fixed-range |
| Output voltage / current | 0–200V / 0–2A | HV rails, comms, validation, insulation tests (within limits) |
| Input | 90–264Vac, 45–66Hz, active PFC | Global bench standardization |
| Ripple (model) | 70mVpp / 13mVrms | Repeatable results in noise-sensitive DUTs |
| Dimensions / weight | 308 × 103 × 323 mm / ~4kg | Bench density and rack shelf planning |
Ready to standardize your bench supply SKU?
Open EA-PS 3200-02 C on TPS Shop.
Request an RFQ (project quantity, calibration, interfaces)
Auto-ranging explained: how 160W becomes more usable than fixed-range supplies
“Auto-ranging” is the fastest way to reduce the number of bench supplies you need.
Instead of locking you into one rectangle of voltage/current capability, the EA-PS output stage adjusts so you can reach
higher voltage at lower current or higher current at lower voltage, always limited by the configured maximum power.
In practice, that means one supply can cover a broad set of tests: high-voltage bias at low current, then lower-voltage functional tests
at higher current—without swapping equipment.
For BoFu buyers, the business effect is simple:
fewer SKUs in procurement, fewer training documents for operators, and fewer test stations “blocked” by the wrong supply range.
If your team is running semi-automated scripts, it also reduces the number of script variants needed per station.
Tip for power-limited DUT validation:
the maximum power set value is adjustable, which helps you enforce a safe envelope during bring-up.
For example, you can restrict power during first-article testing, then widen it later for production test.
Accuracy, regulation, and ripple: what to expect on sensitive DUTs
In industrial testing, accuracy isn’t vanity—it’s correlation. If your lab stations disagree, you burn time on “ghost bugs.”
EA-PS 3000 C series specifications list high accuracy and tight regulation:
voltage accuracy <0.1% of rated value, current accuracy <0.2% of rated value, fast regulation (<2ms, 10–100% load),
and strong line/load regulation performance.
For a high-voltage / low-current DUT, this directly affects stability of analog rails, comms transceivers, and HV bias networks.
Ripple/noise matters most when you validate sensors, ADC paths, or sensitive communication modules.
For EA-PS 3200-02 C, ripple is specified as 70mVpp / 13mVrms.
When you compare to your own scope readings, make sure your measurement method matches the datasheet approach
(bandwidth and capacitor setup)—otherwise you can over-report ripple and trigger unnecessary redesign.
Also note the temperature-controlled fan design: predictable airflow means predictable results in long automated runs.
For procurement, this reduces “lab downtime due to overheating” and extends service intervals.
Buy / RFQ EA-PS 3200-02 C (confirm interface option)
Need multiple units? Ask about project pricing
Protection & discharge behavior: reducing damage risk and speeding operator safety
Debug and production test both fail in messy ways: wrong polarity, short circuits, sudden load steps, or a script bug setting a limit too high.
EA-PS includes configurable thresholds for OVP, OCP, and OPP, plus overtemperature protection.
The typical behavior is safety-first: when a threshold is hit, the DC output shuts off and an alarm is indicated on the display and via interfaces.
For higher voltage work, discharge matters. The series references a discharge circuit that can reduce output voltage below 60V within 10 seconds.
In operator terms: fewer “wait until it’s safe” pauses and safer cable changes in a busy lab.
In production terms: faster takt time and fewer EHS interruptions.
This is also where the color display adds value: operators can see set values, actual values, and protection states at a glance.
It reduces training time and helps procurement justify standardization for mixed-skill teams.
Remote sensing: stable voltage at the load, not at the terminals
Remote sensing is one of the highest-ROI features for industrial tests with real cabling.
Instead of regulating voltage at the supply’s output terminals, the sense lines allow regulation at the DUT terminals, compensating voltage drop along cables.
For high-voltage / low-current work you might assume drop is small—but long leads, safety resistors, and fixture wiring still add measurable error.
The series includes a standard sensing input and automatically detects whether sense lines are connected, then adjusts the output to ensure the required voltage at the load.
For repeatable test results across benches and sites, this can be the difference between “pass/fail on station A only” and consistent correlation.
Interfaces & automation: SCPI, Modbus RTU, USB/LAN/Analog, LabVIEW support
BoFu buyers often have one non-negotiable requirement: “It must integrate with our test software.”
EA-PS supports SCPI and Modbus RTU, and offers optional, user-installable interface cards:
USB, USB + Ethernet (RJ45), and USB + Analog.
The analog interface is galvanically isolated and uses a 15-pin D-Sub, with 0–5V or 0–10V signal range (switchable).
For Windows environments, the supplied “EA Power Control” software supports complex tests and CSV-based sequencing workflows (easy to author in Excel/CSV editors),
and an optional “Multi Control” feature can control up to 20 devices (licensed).
LabVIEW VI support is also referenced, which helps teams using NI-based test benches avoid custom drivers from scratch.
External authority links (nofollow, to avoid stealing weight):
Modbus Organization,
NI LabVIEW.
Where it wins: industrial automation, comms, HV rails, validation and production test
EA-PS 3200-02 C is a great fit when you need 0–200V with controlled current and strong automation support:
- Industrial automation validation: testing HV subsystems, drivers, and control modules with strict limits.
- Communication equipment: validating wide input behavior and HV bias rails in controlled conditions.
- Engineering verification: repeatable sweeps and step tests using SCPI/Modbus scripts.
- Production test: quick safe limits, alarm states, and discharge behavior that supports line takt time.
RFQ checklist: what procurement should confirm before ordering
To accelerate purchasing and reduce back-and-forth, include these items in your RFQ:
- Quantity & ramp: prototype, pilot, and serial volumes.
- Interface requirement: USB only vs USB+LAN vs USB+Analog (galvanically isolated). Confirm if interface cards are included or ordered separately.
- Control method: SCPI, Modbus RTU, analog control; any software environment constraints (LabVIEW, Windows scripts).
- Test method: need for remote sensing, fixture length, and discharge safety requirements.
- Documentation: calibration certificates, service plan, and any internal QA requirements.
When to choose DIN-rail or IPC power instead (internal links)
A desktop programmable supply is perfect for test, verification, and troubleshooting.
But if your project goal is powering equipment in the field (24/7), consider production-grade cabinet or IPC power:
- DIN-rail cabinet power:
TPS010 GP Series,
TPS030 PRO Series,
TPS100 Peak DR-Plus - Industrial IPC/ATX power:
FSP300-70PFL-SK,
FSP700-80PSA-SK,
FSP300-50UCB (1U)
FAQ
- Is EA-PS 3200-02 C suitable for automated industrial testing?
- Yes. It supports SCPI and Modbus RTU, optional USB/LAN/Analog interfaces, and software workflows like CSV sequencing for semi-automated tests.
- Why does auto-ranging matter for a 160W supply?
- Auto-ranging creates a constant-power envelope, allowing higher voltage at lower current or higher current at lower voltage—reducing the number of supplies needed per bench.
- Do I need remote sensing?
- If you have long leads, fixtures, or need high correlation across benches, remote sensing helps ensure the DUT receives the intended voltage, not a cable-drop version.
- What should procurement clarify before ordering?
- Confirm required interface option (USB/LAN/Analog), calibration/documentation needs, and whether interface cards are included or ordered separately for your configuration.
- Can it improve operator safety for higher-voltage work?
- The series includes a discharge circuit reference (Uout < 60V within ≤10s), which can reduce waiting time and improve handling safety during bench work.
