Description

Vibro-Meter VM600 MPC4 IOC4T Set | SIL2 Certified Rotating Machinery Protection Assembly

Product Core Brief

Model Set: MPC4 200-510-071-113 + IOC4T 200-510-111-034
Brand: Vibro-Meter (Meggitt)
Series: VM600 Machinery Protection System
Core Function: Combined measurement & I/O assembly for vibration, displacement and speed monitoring on rotating equipment
Type: MPC4 = Machinery Protection Processor Card; IOC4T = Input/Output Terminal Card
Key Specs: 4 dynamic vibration channels, 2 tachometer inputs, front-panel BNC buffered outputs, hot-swappable

Condition: New Surplus, not refurbished

⚠️ Original manufacturing discontinued, limited spare inventory

Product Introduction

Unplanned trips of turbines and centrifugal compressors often stem from missing vibration protection logic. The paired MPC4 200-510-071-113 and IOC4T 200-510-111-034 forms the core monitoring unit inside VM600 ABE04 racks. The MPC4 executes high-speed DSP signal processing, while the matching IOC4T handles sensor power, analog outputs and relay signal routing.

This card pair works independently even if the rack main controller fails. Compared with earlier VM600 monitoring modules, this assembly supports order tracking and continuous gap measurement for proximity probes. It carries SIL2 compliance and runs stable on gas turbines, steam turbines and large process compressors within oil & gas and power plants. All channels support flexible configuration for accelerometers, velocity sensors and eddy current probes.

Key Technical Specifications

Parameter	Details
Assembly Combination	MPC4 (200-510-071-113) + IOC4T (200-510-111-034)
System Compatibility	VM600 Mk1 ABE04x rack chassis
Dynamic Input Channels	4 fully programmable vibration/displacement channels
Tachometer Input Channels	2 channels for speed & phase reference
Supported Sensors	Proximity probes, accelerometers, velocity transducers
Signal Processing	24-bit DSP, programmable filters, order tracking, RMS/peak calculation
Front Interface	BNC buffered raw signal outputs on MPC4 front panel
Analog Outputs (IOC4T)	4–20 mA / 0–10 VDC processed signals
Safety Certification	IEC 61508 SIL 2
Power Supply	24 VDC backplane power, 5.5 W typical consumption
Operating Temperature	-20 °C ~ +60 °C standard range
Feature Support	Hot swap, continuous self-diagnostics, sensor cable fault detection
Typical Applications	Steam/gas turbine, compressor, generator machinery protection

Vibro-Meter VM600 MPC4 IOC4T Set

Quality Inspection Process

Incoming Verification

Cross-check serial numbers and factory labels for both MPC4 and IOC4T. Full visual inspection for board corrosion, trace damage, bent connectors and scratch marks. Confirm complete matching card set.
Live Bench Test

Install paired modules on standard VM600 test rack. Complete power-on self-test, LED channel status check, sensor signal simulation and continuous 24-hour aging test. We can share test photos or video records upon request.
Electrical Performance Test

Check insulation resistance and backplane bus communication stability. Verify each channel’s amplitude accuracy against reference signals.
Firmware Recording

Read and archive firmware versions of MPC4. Document default hardware jumpers and channel configuration settings.
Final Packing

Passed modules are individually sealed with anti-static bags, wrapped with bubble film and packed into separate cartons. QC Passed label with inspection date attached.

Field Installation Pitfall Guide

Mismatched MPC4 & IOC4T Revision

These two cards must be matched as a set. Mismatched hardware revisions cause communication failure between processor and terminal board. Confirm part number suffix before ordering. One maintenance case shows mismatched sets led to 3 days of site debugging downtime.
Ignoring Original Channel Configuration

Take clear photos of wiring and software channel setup before removal. The same module supports multiple sensor types; wrong configuration will produce invalid vibration readings.
Improper Sensor Cable Shield Grounding

Single-end grounding is required for all vibration sensor cables. Double-ended grounding creates ground loops and introduces high-frequency noise into measurement channels.
ESD Damage Risk

Always wear anti-static wrist strap before touching circuit boards. Static discharge in dry winter environments can damage front-end signal conditioning circuits permanently.
Overlooking Rack Power Budget

Each MPC4+IOC4T set consumes extra rack power. Keep at least 20% power margin on rack power supplies to avoid unstable readings under full load.

Quick Conclusion

Main usage: Core vibration & speed protection assembly for VM600 rotating machinery monitoring racks
Core advantage: Independent protection logic, SIL2 certification, front-panel test BNC connectors, hot swap capability
Suitable industries: Power generation, petrochemical, natural gas compressor stations
Not recommended: Non-VM600 rack upgrade projects
Inventory reminder: OEM production stopped, available stock quantities limited

FAQ

Can I use MPC4 200-510-071-113 without matching IOC4T 200-510-111-034?

No. The MPC4 cannot operate alone; it must pair with compatible IOC4T terminal card.
Is this set compatible with VM600 Mk2 racks?

Direct physical fit is not guaranteed. Confirm rack hardware version before replacement.
Can you provide bench test reports before shipment?

Yes. Complete test records, channel test data and photos are available after inspection.
What warranty term is provided?

12-month standard warranty starting from delivery date.