Radial Vibration Monitoring Board | MMS3120/022-100 EPRO

Availability: 99 left in stock

Product Overview The Emerson EPRO MMS3120/022-100 operates as a high-precision dual-channel vibration monitor within the established MMS3000 machinery protection framework. This module...

SKU: MMS3120/022-100

Manufacturer: Emerson
Product No.: MMS3120/022-100
Product Type: Shaft Displacement
Product Origin: USA
Payment:T/T, Western Union
Weight: 260g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The Emerson EPRO MMS3120/022-100 operates as a high-precision dual-channel vibration monitor within the established MMS3000 machinery protection framework. This module captures and conditions signals from eddy current displacement probes (PR6422/PR6423 series) to provide real-time data on shaft vibration and radial displacement. It serves as a critical component for the predictive maintenance of turbines, compressors, and large industrial pumps. We provide this unit as 100% Brand New and Factory Sealed, ensuring original manufacturer reliability for your legacy or existing system infrastructure.

Technical Specifications

The MMS3120/022-100 provides high-resolution analog-to-digital conversion and standardized outputs for industrial control systems.

Parameter	Specification
Model Number	MMS3120/022-100
Input Channels	2 Independent Channels (X/Y or independent)
Measurement Type	Shaft Vibration (pk-pk), Radial Displacement
Supported Sensors	Eddy Current Probes (PR6422, PR6423 series)
Communication	RS-485 (Standard), Optional Profibus DP-V1
Output Signal	0 – 10 V DC Conditioned Signal
Power Supply	24 V DC (18 to 31.2 V DC)
Operating Temp	-20°C to +70°C
Dimensions	160 mm x 150 mm x 20 mm
Weight	0.26 kg

Engineering Advantages

Optimized for Legacy Support: The MMS3120/022-100 provides a direct path for maintaining and upgrading existing MMS3000 system racks without requiring a complete system overhaul to newer architectures.
Precision Signal Integrity: The module employs high-speed signal conditioning that isolates mechanical vibration from background electrical noise, preventing false triggers in high-EMI environments like generator rooms.
Redundant Channel Logic: The dual-channel architecture allows for simultaneous monitoring of X and Y probe orientations. This setup enables the calculation of shaft orbit patterns, providing deeper insight into rotor behavior and bearing health.
Thermal Drift Compensation: Integrated circuitry automatically adjusts for thermal expansion of the probe and sensor cable. This ensures the 0-10V output reflects true shaft movement rather than environmental temperature changes.

FAQs

Is the MMS3120/022-100 compatible with the newer MMS6000 racks?

No. The MMS3120 series belongs to the MMS3000 system family. It uses a different backplane connector and communication protocol than the MMS6000 series. Always verify your rack type before purchase.
Does this module support both active and passive eddy current sensors?

The MMS3120/022-100 is specifically calibrated for the EPRO PR642x series. While it can interface with standard proximitor-based systems, you must ensure the input voltage levels match the expected scale factor (e.g., 8V/mm) set in the hardware configuration.
What does the "/022-100" suffix signify?

This suffix denotes the specific hardware version and firmware preset for this module. It typically dictates the measurement range and output scaling. Replacing a different suffix (e.g., /012) with a /022 may require recalibration of your DCS/PLC input scaling.
How do I verify the "OK" status of the connected probes?

The module constantly monitors the DC "Gap Voltage." If the voltage falls outside the linear range (e.g., -2V to -18V), the module triggers a "Channel Not OK" status and inhibits the alarm relays to prevent a false machine trip.

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Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

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Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

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Engineering Lead, Germany

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We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.