Product Details
The Yokogawa MS32*A, also cataloged as the MS32 Interface Module Card, operates as a dedicated hardware component for high-speed backplane data communication and system signal routing within Yokogawa CENTUM platforms. The unit connects directly to the system rack to interface local processing nodes with distributed field I/O termination units across proprietary high-speed communication buses.
Suffix Breakdown & Model Matrix
| Code Element | Specification / Description |
|---|---|
| MS32 | Base model designation for high-speed interface module card series |
| *A | Style code Revision A specifying physical circuit board assembly, backplane pin layout, and terminal interface configuration |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | MS32*A |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.9 kg |
| Dimensions | 300 mm x 210 mm x 45 mm |
| Operating Temp | 0 to 55 deg C |
| Power Consumption | Backplane bus powered / 5 VDC nominal |
| Interface Type | High-speed proprietary system backplane connector |
| System Compatibility | Yokogawa CENTUM DCS platforms |
Channel-to-Channel Isolation and DCS Signal Integration
The MS32*A interface module conditions discrete and analog signals across internal system subracks. Integrated channel-to-channel isolation barriers protect primary micro-logic from common-mode voltage spikes and suppress ground potential loop interference between field devices and central controllers. The module routes 4-20 mA HART loop protocol parameters and high-speed digital state vectors into backplane registers, maintaining data integrity during continuous DCS loop processing.
Frequently Asked Questions
Q: What physical precautions must be taken during the insertion of the high-speed proprietary backplane connector on the MS32*A card?
A: Align card edges evenly with the chassis guide rails before seating. Press straight along the center plane using the card ejector levers to prevent pin bending or asymmetric strain on the backplane connector receptacle.
Q: Does the MS32*A interface module support hot-swapping while the backplane bus is energized?
A: Hot-swapping is restricted to redundant configuration pairs. Removing a single non-redundant module interrupts the local backplane communication segment and causes dependent downstream I/O channels to execute configured fail-safe actions.
Q: How does the internal isolation architecture on the MS32*A card protect against field electrical transients?
A: Galvanic isolation layers decouple field-side wiring loops from internal processor logic rails, diverting transient surge voltages and preventing crosstalk between adjacent channel lines.
Field Installation Guidelines
- Rack Slot Mounting: Slide the MS32*A module into the designated slot of the CENTUM rack frame. Push the module card inward until the backplane bus connector fully seats, then tighten top and bottom captive screws to resist industrial vibration.
- Grounding Practices: Connect system cabinet functional earth (FE) to the main grounding strip using low-impedance copper conductors. Ground cable shielding at a single termination point to prevent ground loop currents.
- Cable Routing Limits: Keep low-voltage communication cabling separate from high-voltage AC power lines by at least 300 mm inside cable raceways to minimize electromagnetic interference.
- Thermal Spacing: Maintain clear air circulation space above and below the card cage assembly to ensure ambient cabinet temperatures do not exceed the operating limit of 55 deg C.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.































