Products Description
| Company Information | |||
| sales@xmjzjsgs.com | |||
| Mobile | +8613666033393 | ||
| +8613666033393 | |||
| 13666033393 | |||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China |
1. Product Specifications
| Parameter | Value |
|---|---|
| Dimensions | 30 x 128.4 x 160 mm |
| Weight | 0.32 kg |
| Power Supply | 18-32 VDC (Nominal 24V) |
| Power Consumption | Max. 250 mA per card (with display) |
| Signal Input | Differential, non-reactive, open-circuit, and short-circuit proof |
| Input Voltage Range | 0-30 VDC |
| Input Resistance | >100 kOhm |
| Output Voltage (Binary Outputs) | 18-32 VDC |
| Frequency Range | 0-16 kHz (-3 dB) |
| Current Outputs | 0/4-20 mA, 20-4/0 mA |
| Communication Interfaces | RS232, RS485, Optional PROFIBUS-DP |
| Sensor Supervision | Short-circuit, interruption detection |
| Relay Outputs | 48 VDC / 20 Vrms AC, 4 AAC/DC |
| Temperature Range | Operation: 0 to +55°C, Storage: -40 to +70°C |
| Protection Class | Module: IP00, Front Panel: IP21 |
| Vibration Resistance | IEC-68-2 Part 6, 0.15 mm (10-55 Hz) |
2. Product Introduction
The Epro MMS6350 is a Digital Overspeed Protection System (DOPS) designed to ensure the safety and operational efficiency of rotating machinery. With a microcontroller-based three-channel measurement system, the MMS6350 provides highly accurate speed monitoring and protection against overspeed events.
Certified for SIL3 (DIN EN 61508) when used with Epro MMS eddy-current measuring chains, this system meets strict industrial safety standards. It supports redundant power supplies, self-test functionality, and real-time fault detection through clear display messages.
The optional PROFIBUS-DP interface enables seamless integration with PLC and SCADA systems, allowing remote monitoring and configuration. The system also provides hot-swappable boards, reducing downtime during maintenance.
3. Applications
The MMS6350 is used in industries requiring precise speed monitoring and overspeed protection:
✅ Power Generation – Protects steam and gas turbines from overspeed damage.
✅ Oil & Gas – Ensures safe operation of compressors, pumps, and drilling equipment.
✅ Manufacturing – Used in high-speed industrial motors and production lines.
✅ Marine & Transportation – Applied in propulsion systems to prevent mechanical failures.
✅ Steel & Mining – Critical in conveyor belts and rotating machinery for overspeed monitoring.
4. Product Advantages
✔ High Safety Standards – Certified SIL3, ensuring compliance with stringent industry safety requirements.
✔ Three-Channel Redundancy – Compares pulses and outputs from all three channels for maximum reliability.
✔ Multiple Limit Configurations – Supports up to six limit values per channel, with independent alarm outputs.
✔ Comprehensive Fault Detection – Monitors sensor health, supply voltages, internal temperature, and signal accuracy.
✔ Flexible Communication Options – RS232, RS485, and optional PROFIBUS-DP connectivity for industrial automation integration.
✔ Easy Maintenance & Diagnostics – Hot-swappable boards and plain-text display messages simplify troubleshooting.
✔ Configurable Outputs – Two current outputs per channel (electrically isolated), with zoom and dual current functionality.
✔ Compact Design – Small form factor (30 x 128.4 x 160 mm) for easy cabinet installation.
5. Latest News About MMS6350
🔹 Epro MMS6350: New Enhancements for SIL3-Compliant Overspeed Protection (2024)
🔹 Epro Introduces PROFIBUS-DP Integration for MMS6350 (2023)
🔹 MMS6350 Digital Overspeed Protection Gains Popularity in Oil & Gas Sector (2023)
🔹 Advancements in Three-Channel Overspeed Monitoring with MMS6350 (2022)
🔹 Improving Turbine Safety with Epro MMS6350: A Case Study (2021)
6. Recommended Related Models
| Model | Description |
|---|---|
| MMS6312 | Digital speed monitor with relay outputs |
| MMS6314 | Multi-channel speed monitoring system |
| MMS6320 | Overspeed protection system with dual-channel design |
| MMS6351 | Backplane module for MMS6350 system |
| MMS6352 | 19-inch rack frame for mounting MMS6350 monitors |
| MMS6360 | Profibus communication cable |
| MMS6361 | Screw terminal for signal connections |
| MMS6362 | Short connection cable for MMS system modules |
| MMS6950 | Configuration kit for MMS series |
| MMS6350D | MMS6350 with digital speed display |
7. Popular Epro Models
| Model | Description |
|---|---|
| PR6423 | Eddy-current sensor for vibration monitoring |
| PR6424 | Proximity sensor for industrial rotating machines |
| MMS6110 | Universal signal conditioning module |
| MMS6120 | High-precision vibration monitoring system |
| MMS6210 | Process signal monitor with configurable outputs |
| MMS6220 | Two-channel vibration monitoring module |
| MMS6250 | Safety-certified shutdown module for turbines |
| MMS6312 | Digital speed monitoring module |
| MMS6350 | Digital Overspeed Protection System |
| MMS6400 | Machine protection system with multiple I/O options |
FAQ
FAQs (Frequently Asked Questions)
Q1: What is the purpose of the MMS6350 Digital Overspeed Protection System?
A1: It provides real-time speed monitoring and overspeed protection for rotating machinery to prevent mechanical failures.
Q2: Does the MMS6350 support redundant power supplies?
A2: Yes, it supports dual redundant power inputs, ensuring reliability in critical applications.
Q3: What communication protocols are available?
A3: It includes RS232 and RS485 interfaces, with an optional PROFIBUS-DP for seamless integration with industrial automation systems.
Q4: Can the MMS6350 be installed in existing systems?
A4: Yes, it is designed to fit into standard 19-inch racks and can replace older mechanical overspeed protection systems.
Q5: What safety certification does the MMS6350 have?
A5: It is SIL3-certified according to DIN EN 61508, ensuring high safety standards.
Q6: What is the operating temperature range?
A6: The MMS6350 operates in temperatures from 0°C to +55°C, with a storage range of -40°C to +70°C.
Q7: How does the MMS6350 detect faults?
A7: It continuously monitors sensor signals, power supply voltages, and internal electronics, displaying faults as plain-text messages.
Q8: Can the MMS6350 be configured remotely?
A8: Yes, it can be configured via RS232 or RS485, and with PROFIBUS-DP for remote monitoring.
Q9: What types of outputs are available?
A9: It has relay outputs, binary voltage outputs (24V), and two current outputs (0/4-20mA).
Q10: Is the MMS6350 compatible with Epro’s eddy-current sensors?
A10: Yes, it is designed to work with Epro MMS eddy-current measuring chains for high-precision speed monitoring.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
