General Overview
Model: ES2404

Series: EPRO Advanced Monitoring System

Type: 4-Channel Vibration & Speed Monitoring Module

Primary Application: Critical machinery protection for turbines, compressors, and high-speed rotating equipment

Key Technical Parameters
1. Input Specifications
Channels: 4 independent monitoring channels

Sensor Compatibility:

Vibration:

Eddy current probes (5mm/8mm/11mm)

Velocity sensors (4-20 mA)

Accelerometers (ICP/IEPE)

Tachometer:

Magnetic pickup (MPU)

Optical encoder (0-40,000 RPM)

Keyphasor® Input: 1x/rev pulse for phase analysis

Measurement Ranges:

Displacement: 0-2000 μm (p-p)

Velocity: 0-100 mm/s (RMS)

Acceleration: 0-50 g (optional)

Frequency Response:

Displacement: 0.1 Hz - 1.5 kHz

Velocity: 1 Hz - 3 kHz

Tachometer: 0.1 Hz - 25 kHz

2. Output & Communication
Analog Outputs:

4× 4-20 mA (isolated, ±0.05% accuracy)

4× ±10V (raw vibration signal)

Relay Outputs:

8× SPDT (4 Danger + 4 Warning)

2× OK-to-Start relay

Digital Interfaces:

Dual RS-485 (Modbus RTU)

Ethernet (TCP/IP, OPC UA)

PROFIBUS-DP (optional)

3. Power & Environmental
Power Supply: 18-36 V DC (24V nominal), <8W

Operating Temp: -40°C to +85°C

Housing: 316 Stainless steel, IP67

Mounting: DIN rail or direct bolt-mount

4. Advanced Features
Dynamic Signal Analysis:

Real-time FFT (up to 16,000 lines)

Orbit, Bode, and Nyquist plots

Time waveform capture

Condition Monitoring Functions:

PeakVue™ technology

Demodulation analysis

Phase and amplitude trends

5. Compliance & Certifications
Standards:

API 670 (5th Ed.)

ISO 20816

IEC 61508 (SIL 2)

Certifications:

ATEX/IECEx (Zone 1)

DNV-GL Marine

cFMus (Hazardous Locations)

Model Comparison (ES2403 vs ES2404)
Feature ES2403 ES2404
Channels 2 4
Max Speed 30,000 RPM 40,000 RPM
Vibration Range 50 mm/s 100 mm/s
Housing IP65 IP67
Analysis 10,000-line FFT 16,000-line FFT
Typical Applications
High-speed turbomachinery:

Steam turbines (>15,000 RPM)

Centrifugal compressors

Marine applications:

Ship propulsion systems

Offshore platforms

Nuclear power plants:

Primary coolant pumps

Reactor coolant systems