For system integrators, panel builders, procurement teams, and electrical engineers, a “bench supply” becomes a bottleneck the moment it must do
three jobs at once: validate designs, support semi-automatic tests, and behave safely under faults.
The EA-PSI 9000 DT series is built around that reality: auto-ranging (constant-power) output behavior, low ripple, settable protections,
built-in USB + Ethernet, a galvanically isolated analog interface, and an integrated function generator—wrapped in a fast touch workflow.
Shortlist example: 200V models (start RFQ)
Why EA-PSI 9000 DT for industrial testing (not just “lab power”)
The EA-PSI 9000 DT series covers a wide envelope—320W to 1500W with output ranges up to 750V—while keeping
daily operation fast: touch panel + knobs, plus built-in digital connectivity and an isolated analog interface.
That combination matters when your test benches live in two worlds:
R&D wants flexibility, while production wants repeatability and safety behavior.
Heads-up for global deployment: the AC input range supports 90–264Vac with active PFC.
For 1.5kW models, output power may derate to 1kW when input voltage drops below 150Vac.
If you operate test lines on lower mains rails, note this in your RFQ.
The series’ value is not one single spec—it’s the “stack”:
low ripple output behavior (helpful when your DUT is sensitive),
configurable supervision / alarms for safer fault handling,
remote sensing to regulate at the load, and discharge behavior for higher-voltage models to reduce waiting time between steps.
Model selector (TPS Shop links): pick voltage/current/power in minutes
Below is a practical shortlist of the most common selection paths. You can open each TPS Shop page to confirm
availability, pricing, and RFQ terms for your project quantity.
| TPS Shop item | Best for | Selection hint |
|---|---|---|
| EA-PSI 9040-20 DT | 40V class tests, mid current | Use when your DUT stays <40V but needs programmable supervision & automation. |
| EA-PSI 9080-10 DT | 80V rails, controlled current | Good for comms/automation rails that benefit from low ripple + remote control. |
| EA-PSI 9200-04 DT | 200V validation (lower current) | Step into higher-voltage workflows; consider discharge behavior and safe procedures. |
| EA-PSI 9040-40 DT | 40V higher current benches | When current headroom matters more than voltage headroom. |
| EA-PSI 9080-20 DT | 80V + higher current | Balanced choice for mixed testing (functional + stress) without swapping supplies. |
| EA-PSI 9200-10 DT | 200V + higher current | Stronger headroom for power stages; verify discharge requirement in your SOP. |
| EA-PSI 9040-40 DT (1kW) | 1kW stations at 40V | If you’re consolidating high-power benches, check mains capacity and heat management. |
| EA-PSI 9080-40 DT | 1kW class at 80V | Great for power conversion test ranges where both V and I matter. |
| EA-PSI 9200-15 DT | 1kW class at 200V | When you want higher voltage + meaningful current for stress tests. |
| EA-PSI 9360-10 DT | 360V testing | Useful for high-voltage subsystems; ensure EHS procedures and discharge expectations. |
| EA-PSI 9500-06 DT | 500V validation | Consider insulation coordination and operator safety workflow (PPE, interlocks). |
| EA-PSI 9750-04 DT | 750V high-voltage workflows | Best for advanced HV validation; confirm measurement setup and safe discharge handling. |
| EA-PSI 9040-60 DT | 1.5kW class at 40V | High-current production benches; check derating below 150Vac in some plants. |
| EA-PSI 9080-60 DT | 1.5kW class at 80V | High power + wider voltage coverage; a common “standard bench” candidate. |
| EA-PSI 9200-25 DT | 1.5kW class at 200V | When stress testing needs both high V and high I—align SOP with discharge behavior. |
| EA-PSI 9360-15 DT | 1.5kW class at 360V | HV subsystems, validation & burn-in with supervised limits. |
| EA-PSI 9500-10 DT | 1.5kW class at 500V | For advanced HV testing; ensure proper insulation and test fixtures. |
| EA-PSI 9750-06 DT | 1.5kW class at 750V | Top-end HV range; confirm lab safety approvals and interlock strategy. |
Fast RFQ: 80V / 1.5kW class (EA-PSI 9080-60 DT)
Fast RFQ: 200V / 1.5kW class (EA-PSI 9200-25 DT)
Auto-ranging output: constant-power behavior that reduces SKU count
“Auto-ranging” is how one programmable DC supply covers more of your test plan. Instead of locking you into a fixed rectangle of V/I capability,
EA-PSI 9000 DT uses a power-regulated stage: you can reach higher voltage at lower current, or higher current at lower voltage,
always limited by the maximum nominal output power (and that maximum power set value is adjustable).
BoFu effect: fewer different power supplies across benches, fewer operator instructions, and fewer test stations blocked by “wrong range.”
Engineering effect: fewer script variants and easier global station replication.
Low ripple & measurement discipline: keeping DUT results consistent
If your DUT includes sensors, analog front-ends, RF modules, or sensitive ADC paths, ripple isn’t a footnote—it’s a root cause.
EA-PSI 9000 DT achieves lower ripple via a built-in additional output filter.
To avoid false alarms when you validate “low noise” claims, standardize measurement method (scope bandwidth, probe grounding, and fixture layout)
across sites and stations.
Safety & fault behavior: discharge circuit, protections, remote sensing
Discharge circuit (for ≥200V models): faster safe handling
High-voltage benches stall when operators must wait for safe conditions. For models with nominal output voltage of 200V or higher,
the discharge circuit helps the output voltage sink below 60V DC after the DC output is switched off (especially at no-load / low-load).
This supports safer cable changes, faster step-to-step testing, and less line downtime.
OVP/OCP/OPP/OT: predictable shutdown behavior
Protecting a DUT isn’t only about having protections—it’s about predictable behavior when they trigger.
EA-PSI 9000 DT allows setting thresholds for overvoltage, overcurrent, and overpower; when reached, the output is shut off and status/alarms are indicated.
This reduces “one wrong script line” incidents and supports safer production ramps.
Remote sensing: regulate at the load, not at the terminals
Cable drops and fixture resistance can break correlation between benches. Remote sensing connects directly at the load to compensate drops along cables.
In practice, this is how you avoid station-to-station drift when you scale from one lab bench to five production stations.
Need 200V + higher current? RFQ EA-PSI 9200-10 DT
High-voltage program? Ask TPS about 750V model options
Interfaces & automation: USB/Ethernet + isolated analog + SCPI workflows
Integration is where BoFu decisions get made. EA-PSI 9000 DT includes USB and Ethernet, plus a galvanically isolated analog interface
with switchable 0–5V / 0–10V ranges. The analog interface supports programming voltage, current, power, and resistance,
and provides monitor outputs for voltage/current plus status I/O.
That means you can choose either a digital command path (SCPI, automation software) or a PLC-friendly analog control path.
Practical workflow:
Engineering defines safe limits (U/I/P) and supervision thresholds;
Procurement standardizes one or two models per plant;
Production runs repeatable sequences with clear alarms and fast recovery.
External authority links (nofollow):
Modbus Organization,
IEC (standards body).
Integrated function generator + 99-step sequences for product tests
Many benches end up with an extra function generator and extra supervision gear. EA-PSI 9000 DT reduces that stack by including a true function generator
that can apply typical waveforms to either output voltage or output current. You can configure and control it via the touch UI or remotely.
Predefined waveform families support practical test patterns like ramps and more complex steps.
For development and production testing, the arbitrary generator is accessible for creating complex sets of functions with up to 99 sequences.
Sequences can be saved to and loaded from a standard USB flash drive via the front-panel USB port—fast switching between test profiles.
Combine this with supervision behavior (signal/warning/alarm logic) to build a test station that is both flexible and safe.
BoFu RFQ checklist (what procurement should confirm)
- Model envelope: required max voltage/current/power today and in 12–24 months (avoid re-qualification later).
- Mains conditions: confirm if any sites run low AC input where 1.5kW models could derate.
- Safety workflow: if you select ≥200V models, confirm discharge behavior is aligned with your SOP and EHS requirements.
- Integration path: Ethernet/USB command control vs isolated analog control; confirm PLC and test PC requirements.
- Test assets: sequence templates, calibration requirements, and service expectations (handled via TPS Shop RFQ notes).
Start RFQ: EA-PSI 9080-20 DT
Start RFQ: EA-PSI 9360-15 DT (HV testing)
When DIN-rail or IPC power supplies are a better fit (internal links)
A programmable desktop supply is ideal for verification, characterization, and production test stations.
If the target is 24/7 field power inside cabinets or IPCs, choose a power supply form factor designed for installation and long-term operation:
- DIN-rail (control cabinet power):
TPS010 GP Series,
TPS030 PRO Series,
TPS100 Peak DR-Plus - IPC / ATX power:
FSP300-70PFL-SK,
FSP700-80PSA-SK,
FSP300-50UCB (1U),
FSP400-50UCB (1U)
FAQ
Is EA-PSI 9000 DT suitable for industrial testing beyond R&D?
Yes. The combination of supervised limits, predictable fault shutdown, remote interfaces, and save/load sequences supports production test replication.
What does “auto-ranging” change in practice?
It provides constant-power behavior, enabling wider usable V/I combinations and reducing how many different supplies you need across benches.
Do all models include USB and Ethernet?
Yes—USB and Ethernet are built in, plus an isolated analog interface for PLC-friendly control.
When should I plan for discharge behavior?
For models with nominal output voltage of 200V or higher, discharge behavior helps bring the output below 60V after switch-off, supporting safer handling.
Can I run complex product test profiles without extra equipment?
Often yes. The integrated function generator and up to 99-step arbitrary sequences can replace separate bench generators for many validation workflows.
