Description
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | RPS6U |
| Part Number | 200-582-200-011 |
| Manufacturer | Vibro-Meter |
| Product Family | VM600 / VM600Mk2 |
| Product Type | Rack Power Supply |
| Installation | Front of compatible VM600 ABE04x system rack |
| Rack Interface | VME/backplane connection |
| Main Output | +5 VDC |
| Positive Auxiliary Output | +12.5 VDC nominal |
| Negative Auxiliary Output | −12.5 VDC nominal |
| +5 VDC Accuracy | Approximately 5.35–5.45 V under specified load conditions |
| +12.5 VDC Accuracy | Approximately 12.2–12.8 V |
| −12.5 VDC Accuracy | Approximately −12.2 to −12.8 V |
| Output Ripple/Noise | <50 mV peak-to-peak, documented for the listed outputs |
| Line Regulation | <±1% |
| Load Regulation | <±1% for +5 V; <±2% for ±12 V outputs |
| Primary Application | VM600 machinery protection and condition monitoring |
| Condition | New Surplus or Fully Tested Refurbished |
The published RPS6U datasheet information gives +5 VDC, +12.5 VDC, and −12.5 VDC nominal output rails and specifies less than 50 mV peak-to-peak ripple/noise.
One important distinction: the exact input configuration should be confirmed from the unit label and rack arrangement. VM600 systems can use different AC/DC input arrangements, and the associated rear-panel hardware determines how plant power reaches the RPS6U. The VM600 hardware documentation describes 120/230 VAC input arrangements for compatible ABE04x rack configurations.
Application Scenarios & Pain Points
A weak rack supply often creates misleading symptoms. A CPUM may reset, an MPC4 may disappear intermittently, or several modules may report faults at once. The common assumption is a communication or card problem. Sometimes the real culprit is the supply rail.
- VM600 machinery protection: The RPS6U supplies the rack rails used by protection cards such as MPC4/MPC4Mk2 and associated I/O hardware.
- Turbine monitoring systems: Used within installations for monitoring and protection of steam turbines, gas turbines, compressors, pumps, and other rotating machinery.
- Condition-monitoring racks: Provides the electrical foundation for processing, relay, communication, and monitoring modules.
- Legacy maintenance: Particularly useful when the functional cards remain serviceable but the original rack power supply has developed voltage drift, excessive ripple, or thermal problems.
Field note: Measure the supply under load, not just with the rack empty. A power module can produce a convincing +5 V reading on a bench and still sag when an MPC4, IOC4T, CPUM, and relay cards are installed.
RPS6U
Related Products
- RPS6U 200-582-200-011 — The subject rack power supply. Intended for compatible /VM600Mk2 rack configurations and provides the primary low-voltage DC rails.
- RPS6U 200-582-990-011 — Another ordering configuration. It should be cross-checked against input/output configuration before considering substitution.
- 200-582-600-013 — Another variant identified in spare-part references. The different order number means electrical configuration should be verified before replacement.
- SIM-275D-24 — A power-supply designation associated in some records with 200-582-200-011. Treat this as a configuration cross-reference rather than assuming all SIM-275D-24 units are equivalent.
- ABE040 204-040-100-011 — 19-inch 6U system rack that accommodates the applicable rack supply and functional modules.
- ABE042 204-042-100-011 — Related 6U rack with rear mounting brackets. The rack provides the backplane and mechanical platform for the power supply and installed cards.
- MPC4 — machinery-protection processing card powered through the rack supply. It performs measurement and protection processing rather than power conversion.
- MPC4Mk2 — Second-generation protection processor. Used in VM600Mk2 architecture and dependent on the appropriate rack power arrangement.
- IOC4T — input/output card that interfaces field signals and protection circuitry. It receives rack power from the through the backplane.
- RLC16 / RLC16Mk2 — Relay expansion cards used for additional alarm/trip outputs. They are complementary modules, not replacements for the .
The Engineer’s Guide: Field Pitfalls to Avoid
WARNING 1 — Do not test the only at no-load.
The rack supply’s job is to maintain its rails while the rack is populated. No-load voltage tells you very little about output regulation under actual operating conditions.
How to avoid it: Test +5 V and ±12 V with an appropriate controlled load, then check voltage stability, ripple, and thermal behavior during extended operation.
WARNING 2 — Do not confuse output voltage with input configuration.
The generates the low-voltage rack rails, but the way plant AC/DC power reaches the module depends on the rack’s input arrangement. ABE04x documentation includes 120/230 VAC rack input configurations.
How to avoid it: Verify the rack’s rear input panel, wiring, fuse/protection arrangement, and the nameplate before energizing a replacement.
WARNING 3 — A marginal supply can damage your troubleshooting process.
If the +5 V rail is drifting or noisy, several modules may appear defective at the same time.
How to avoid it: Check the power rails first when multiple cards show simultaneous faults, unexplained resets, intermittent communications, or inconsistent startup behavior. Look at the connectors, too—darkened pins or localized heating around the high-current interface deserve attention.
Frequently Asked Questions (FAQ)
What is Vibro-Meter 200-582-200-011?
It is a /VM600Mk2 rack power supply designed to provide regulated DC power to the backplane and installed monitoring/protection modules. It is installed at the front of compatible ABE04x racks.
What output voltages does the provide?
The documented nominal outputs are:
- +5 VDC
- +12.5 VDC
- −12.5 VDC
The published data specifies less than 50 mV peak-to-peak ripple/noise and tight line/load regulation requirements.
Is 200-582-200-011 compatible with every rack?
No. It is associated with the /VM600Mk2 ABE04x rack architecture, but the complete rack configuration still needs to be checked.
Confirm the rack model, rear input arrangement, installed card set, and variant before approving a replacement.
Can I hot-swap the ?
The rack architecture is designed around a front-mounted rack power supply, and replacement procedures depend on the specific rack configuration and plant maintenance procedure. Do not assume that pulling the module while energized is acceptable simply because it is a plug-in unit.
For a protection rack, follow the applicable shutdown/bypass procedure unless the system documentation explicitly authorizes energized replacement.
What symptoms indicate a failing ?
Typical clues include:
- Multiple cards resetting together
- CPUM communication interruptions
- MPC4 startup faults
- Intermittent card disappearance
- Low or unstable +5 V rail
- Excessive ripple
- Increased fan/thermal activity
- Faults that disappear after the rack cools
The key diagnostic clue is multiple modules failing at once. That points toward common infrastructure—power, backplane, or grounding—rather than several independent card failures.
How should a refurbished 200-582-200-011 be tested?
A meaningful acceptance test should include:
- Verify the exact 200-582-200-011 identification.
- Inspect the high-current connectors.
- Check the cooling fan and enclosure.
- Apply the correct input power.
- Measure +5 V, +12.5 V, and −12.5 V.
- Test under representative load.
- Measure output ripple/noise.
- Monitor voltage during thermal soak.
- Check startup and shutdown behavior.
- Record measured values in the test report.
A simple “powers on” test is not sufficient for a rack supply.
What should I ask for when purchasing this ?
Specify the complete part number:
Vibro-Meter — 200-582-200-011
For a used or refurbished unit, request photographs of the nameplate, front panel, connectors, and internal condition, plus confirmation of the measured +5 V and ±12 V rails under load. For critical turbine protection service, ask for the actual test data rather than a generic “tested” statement.
