General Specifications
Model: EPRO TD2000-4T1320G

Type: 4-channel digital speed (RPM) monitoring module

Application: Overspeed/underspeed protection for turbines, compressors, and rotating machinery

Compliance: API 670 (Machinery Protection Standard)

Input Parameters
Sensor Compatibility:

Magnetic Pickups (MPU)

Proximity Probes (Eddy Current)

Optical Encoders

Signal Input:

Pulse Input: 5–30V AC/DC (adjustable)

Frequency Range: 1 Hz – 20 kHz

Measurement Range:

RPM Range: 0–40,000 RPM (configurable)

Pulses per Revolution (PPR): Programmable (1–60 pulses)

Output & Alarms
Relay Outputs:

8 SPDT Relays (250VAC/5A) – 2 per channel for Warning/Danger

Adjustable Delay Timers (0.1–10 sec) to prevent false trips

Analog Output:

4–20 mA (linear to speed) – 1 per channel

Communication:

RS-485 Modbus RTU (standard)

Optional Profibus DP or Ethernet/IP

Electrical & Environmental
Power Supply: 24 VDC (±10%) or 90–265VAC (auto-ranging)

Power Consumption: <6W

Operating Temperature: -30°C to +70°C (industrial-grade)

Protection Rating: IP20 (panel-mounted)

Certifications
CE, UL (industrial safety)

ATEX/IECEx (optional for hazardous areas)

Mechanical Specifications
Mounting: DIN Rail (35mm)

Dimensions: 110mm (W) × 120mm (H) × 65mm (D)

Weight: 500g

Typical Applications
Gas/Steam Turbines

Compressors & Pumps

Power Generation Equipment

Critical Rotating Machinery