General Description
The EPRO MMS 3311 is a single-channel vibration monitoring module designed for industrial machinery protection, measuring vibration velocity and providing alarm outputs for equipment safety.

Key Parameters
Input Specifications
Channels: 1 monitoring channel

Compatible Sensors:

Velocity sensors (4–20 mA / 0–10V)

Accelerometers (with signal conditioner)

Measurement Mode:

Vibration (Velocity): 0.5–20 mm/s RMS

Frequency Range: 10 Hz – 1 kHz (ISO 10816 compliant)

Measurement Performance
Accuracy: ±1% of full scale

Sampling Rate: 1 kHz (real-time processing)

Outputs & Alarms
Analog Output: 1x 4–20 mA (isolated, configurable)

Relay Outputs: 2 programmable relays (SPDT, 250V AC/2A)

Alarm Types: Danger/Warning (adjustable thresholds)

Communication: RS-485 (Modbus RTU)

Power & Environmental
Power Supply: 24V DC (±10%)

Operating Temperature: -20°C to +70°C

Enclosure Rating: IP20 (panel-mounted)

Display & Interface
Front Panel: LCD with real-time values & alarm status

Configuration: Keypad or EPRO CMS 2000 software

Typical Applications
Motor/pump vibration monitoring

Fan/compressor bearing protection

Standalone machinery safety systems

Compliance & Certifications
Standards: ISO 10816, API 670 (optional)

Certifications: CE