Brand: Epro Description: Speed and Keypulse Transmitter Condition: Brand New Certificate: COO TEST REPORT WARRANTY LETTER Warranty: 1 year Inventory Qty: 1 Payment Term: T/T Shipping Port: Shenzhen The EPRO MMS3311/022-000 is a dual-channel speed monitoring transmitter with keyphasor pulse outputs and self-diagnostic circuits, configurable for PLC integration in power plants, turbines, and industrial machinery networks.
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Manufacture |
Epro |
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Model Number |
MMS3311/022-000 |
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Country Of Origin |
Germany |
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HS CODE |
9032900090 |
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Dimension |
12.8*12.6*9cm |
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Packing Dimension |
15*15*11cm |
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Weight |
1.5kg |
Technical Parameters
Dual-Channel Outputs:
Speed-proportional output: 0/4–20mA current (load <500Ω) .
Keyphasor output: Buffered 2–10V test signals.
Auto-fault detection triggers 0mA output and "OK" status alerts during sensor/cable failures.
Power & Efficiency:
18–31.2V DC input with DC/DC isolation for noise immunity.
Low power consumption (2.5W) and redundant power support.
Key Features
Dual-Channel Precision: The EPRO MMS3311/022-000 simultaneously processes speed and key phase signals from two independent eddy current sensors (e.g., PR6422/PR6426 series), providing redundant monitoring for critical shafts. Its 4–20mA analog output ensures seamless integration with control systems like DCS/PLC.
Self-Diagnostic Safety: Built-in fault detection triggers a 0mA output and alters the “OK” status signal if sensor or circuit issues are detected, enabling proactive maintenance.
Compatible Equipment
Sensor Integration: Works seamlessly with EPRO’s PR642x series eddy current sensors for non-contact speed measurement, ensuring high accuracy even at 0–65,535 RPM.
System Connectivity: The EPRO MMS3311/022-000 supports Modbus or RS232 protocols for integration with SCADA networks, while its buffered voltage outputs (2–10V) aid in real-time diagnostics.
Practical Applications
Power Generation: In steam turbines, the EPRO MMS3311/022-000 monitors shaft speed and phase alignment, preventing imbalance-induced failures. Its key phase pulse output helps synchronize maintenance activities.
Oil & Gas: For centrifugal compressors, it provides real-time RPM data and fault alerts, reducing unplanned downtime in refineries.
Installation & Maintenance
Plug-and-Play Setup: The EPRO MMS3311/022-000 offers DIN-rail or wall-mount options, with configuration via dip switches for quick deployment. Cable connections use screw terminals for secure wiring.
Low Maintenance: With modular self-test circuits, troubleshooting is simplified. Regular calibration ensures long-term accuracy, and spare parts (e.g., PR6423 sensors) are globally available.
