Overview
MMS6220 from Emerson Epro delivers precise dual channel eccentricity monitoring for rotating machinery in critical industrial environments.
Moreover, the module supports two independent eddy current measuring chains, ensuring reliable and continuous shaft displacement detection.
Engineers use MMS6220 in turbines, compressors, and generators where eccentricity trends directly affect operational safety.
Additionally, Emerson Epro integrates robust signal isolation, which improves measurement stability under harsh electrical conditions.
Specification
| Parameter | Specification |
|---|---|
| Model | MMS6220 |
| Manufacturer | Emerson Epro |
| Product Type | Dual Channel Eccentricity Monitor |
| Series | Epro Machinery Protection System |
| Measurement Principle | Eddy current displacement measurement |
| Number of Channels | 2 independent channels |
| Input Signal Type | Differential signal from eddy current probes |
| Supported Sensors | PR6423, PR6424, PR6425 series proximity probes |
| Input Voltage Range | Typically ±10 V (sensor dependent) |
| Input Impedance | ≥100 kΩ |
| Frequency Range | 0 Hz to approx. 10 kHz |
| Signal Isolation | Galvanically isolated from power supply |
| Channel Separation | Full electrical isolation between channels |
| Sensitivity | Configurable according to probe calibration |
| Measurement Range | Depends on probe type, typically 0–2 mm |
| Accuracy | ±1% of full scale (typical) |
| Resolution | High-resolution analog processing |
| Output Signal Type | Analog output (0–10 V or 4–20 mA depending on configuration) |
| Alarm Outputs | Configurable alarm and trip outputs |
| Relay Contacts | Integrated relay outputs for alarm/trip |
| Response Time | <10 ms |
| Power Supply Voltage | 24 V DC (typical industrial standard) |
| Power Consumption | Approx. 5–8 W |
| Electrical Connection | Screw terminals or backplane connectors |
| Mounting Type | Rack-mounted or panel-mounted |
| Module Housing | Industrial-grade metal/plastic enclosure |
| Dimensions | Approx. 100 × 160 × 120 mm |
| Weight | Approx. 0.8–1.2 kg |
| Operating Temperature | -20°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95% non-condensing |
| Protection Class | IP20 (module level) |
| EMC Compliance | According to industrial EMC standards |
| Vibration Resistance | Suitable for industrial vibration environments |
| Cable Length Support | Up to 300 meters (sensor dependent) |
| Redundancy Capability | Supports dual-channel monitoring for redundancy |
| Configuration Method | Hardware settings or system integration |
| Diagnostic Functions | Signal integrity monitoring and fault detection |
| Warm-up Time | <5 minutes for stable operation |
FAQ
Q1: Is the product new and original?
A1: Yes, all MMS6220 modules are brand new and 100% original from Emerson Epro.
Q2: Do you have stock available?
A2: Yes, we keep stock for MMS6220, and availability depends on current inventory levels.
Q3: How fast can you ship the product?
A3: We ship within 3 days to 2 weeks, depending on order size and logistics arrangements.
Q4: Which logistics services do you use?
A4: We commonly use DHL and other international carriers to ensure fast and secure delivery.
Q5: What is the input signal type of MMS6220?
A5: The MMS6220 accepts differential eddy current signals from proximity probes for accurate eccentricity measurement.
Q6: What happens if there is a quality issue?
A6: We support returns within 30 days if any quality problem occurs with the MMS6220.
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