MS05*B Yokogawa CENTUM VP Series Datasheet & Technical Manual

Power Supply Module | Yokogawa MS05*B CENTUM VP 5VDC

Power Supply Module | Yokogawa MS05*B CENTUM VP 5VDC

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Yokogawa MS05*B System Power Supply Module The Yokogawa MS05*B, also cataloged as the MS05 System Power Supply Module, operates as...

SKU: MS05*B

Manufacturer: Yokogawa
Product No.: MS05*B
Product Type: Power Supply Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 350g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa MS05*B System Power Supply Module

The Yokogawa MS05*B, also cataloged as the MS05 System Power Supply Module, operates as a dedicated hardware component for converting incoming DC power into regulated DC outputs within CENTUM VP and CS 3000 networks. The hardware installs directly into the Field Control Unit (FCU) subrack to drive the internal backplane logic and power the local processing subassemblies.

Hardware Specifications

Parameter	Specification
Model	MS05*B
Brand	Yokogawa
Origin	Japan
Weight	0.35 kg
Dimensions	120 mm x 25 mm x 130 mm
Operating Temp	0 to 60 deg C
Power Consumption	30 W
System Compatibility	CENTUM VP, CS 3000
Input Voltage	24 VDC (nominal)
Input Range	20 to 30 VDC
Output Voltage	5 VDC
Output Current	Up to 5 A
Isolation	1500 VAC (input-to-output, 1 min)
Protection Features	Overcurrent, overvoltage, short-circuit protection

Power Conditioning & Channel Isolation

The power supply module accepts a nominal 24 VDC input and utilizes internal switching regulator topologies to generate a highly stabilized 5 VDC bus line capable of sourcing up to 5 A. To maintain system reference ground stability and shield the internal FCU logic from upstream electrical transients, the hardware incorporates a galvanic isolation layer rated at 1500 VAC between the input and output networks. The internal circuits integrate automated overcurrent, overvoltage, and short-circuit protection arrays that isolate downstream faults without damaging the module components. Real-time status diagnostics are displayed through integrated front-panel LED indicators that show RUN, FAIL, and input power conditions.

Frequently Asked Questions

Q: How does the MS05*B handle load sharing when deployed in dual-redundant configurations?

A: When two modules occupy redundant slots in the FCU backplane, internal diode-ORing logic balances the current demand across both units. If one module experiences an internal component breakdown or loss of input voltage, the parallel module assumes the full 5 A current load instantaneously without causing a voltage sag on the 5 VDC logic bus.

Q: What is the significance of the front-panel FAIL LED illuminating while the input voltage remains within the 20 to 30 VDC range?

A: An active FAIL LED under nominal input conditions indicates that the internal secondary diagnostics have detected an out-of-spec voltage drop on the 5 VDC output rail, or that the internal temperature limits have been exceeded. This hardware state flags the module for immediate replacement during the next scheduled maintenance interval.

Field Installation Guidelines

Subrack Alignment: Align the card alignment rails with the designated slots in the FCU chassis. Firmly slide the module inward until the heavy-duty backplane connectors seat completely, then lock the mounting screws to prevent pin fretting caused by high-frequency industrial environments.
Input Power Terminations: Route the 24 VDC power supply lines through separate physical conduits away from high-voltage motor control cables. Ensure all wire crimps are secure and that the supply terminals are tightened to the torque values specified in the subrack installation index.
Cabinet Thermal Profiling: Verify that the enclosure ventilation patterns keep the ambient air immediately surrounding the module chassis below 60 deg C. Provide additional forced-air cooling manifolds if the total current draw from the populated subrack raises local temperatures near the hardware boundary.

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