MS08*B Yokogawa CENTUM VP Series Datasheet & Technical Manual

Yokogawa MS32*A S9750BH-05 Power Supply Module Card

Yokogawa MS32*A S9750BH-05 Power Supply Module Card

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Yokogawa MS32*A System Power Supply Module The Yokogawa MS32*A, also cataloged as the MS32 System Power Supply Module, operates as...

SKU: MS31*A

Manufacturer: Yokogawa
Product No.: MS31*A
Product Type: Power Supply Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa MS32*A System Power Supply Module

The Yokogawa MS32*A, also cataloged as the MS32 System Power Supply Module, operates as a dedicated hardware component for converting incoming DC power into regulated outputs within CENTUM VP and CS 3000 networks. The card installs directly into a Field Control Unit (FCU) rack slot to drive heavy-duty backplane logic circuits and source operating current to large arrays of distributed computing and communication cards.

Hardware Specifications

Parameter	Specification
Model	MS32*A (Part Number: S9750BH-05)
Brand	Yokogawa
Origin	Japan
Weight	0.45 kg
Dimensions	120 mm x 25 mm x 130 mm
Operating Temp	0 to 60 deg C
Power Consumption	150 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 32 A
Isolation	1500 VAC (input-to-output, 1 min)
Protection Features	Overcurrent, overvoltage, short-circuit protection
Humidity Range	5 to 95% RH (non-condensing)

Power Conditioning & Channel Isolation

The power supply architecture accepts a nominal 24 VDC input and utilizes high-capacity switching topologies to generate a regulated 5 VDC output rail capable of sourcing up to 32 A. To block common-mode electrical noise and prevent ground-loop currents from degrading downstream computing logic, the hardware incorporates internal galvanic channel-to-channel isolation circuits rated at 1500 VAC. The module integrates overcurrent, overvoltage, and short-circuit protection loops that clamp active field faults automatically, preventing upstream terminal failures from destroying internal subrack components. Real-time diagnosis of internal electrical states routes directly to front-mounted physical LED indicators that display independent statuses for RUN, FAIL, and input power paths.

Frequently Asked Questions

Q: How does the 32 A current capacity alter the configuration requirements for dual-redundant power setups?

A: When two modules form a dual-redundant pair within the backplane, an integrated diode-ORing configuration balances the high-current distribution. Both units share the subrack load during normal operation, but if one hardware block drops offline, the remaining module instantly picks up the full 32 A demand without inducing a voltage sag on the 5 VDC bus line.

Q: What specific hardware check must you perform if the front-panel FAIL LED illuminates under normal 24 VDC input voltage?

A: An active FAIL LED indicates that internal secondary monitoring has detected either an overvoltage trip or an under-voltage sag on the internal 5 VDC output rail, or that the internal heat-sink thermal thresholds have been exceeded. This hardware state signifies that the card requires immediate replacement to prevent a loss of chassis redundancy.

Field Installation Guidelines

Subrack Alignment and Seating: Align the card along the dedicated guide tracks within the FCU subrack. Push the assembly firmly perpendicular to the backplane until the high-density system connectors lock completely, and tighten all mechanical retention fasteners to prevent pin fretting caused by high-frequency industrial environments.
Input Power Conductor Routing: Terminate the incoming 24 VDC supply lines using heavy-gauge industrial conductors sized to handle the 150 W power profile. Maintain strict physical separation between these DC lines and any high-voltage AC power or motor drive cables inside the enclosure cabinet to mitigate electromagnetic cross-talk.
Thermal Displacement Clearance: Ensure that all vertical cabinet cooling pathways remain clear. Because the module generates considerable thermal dissipation under full 32 A current loading, it requires unhindered convective airflow to hold the operating temperature within the specified 0 to 60 deg C threshold.

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