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A6740-12-N

Core Function:
High-density 12-channel monitoring system for comprehensive machinery protection in large industrial installations.

Key Specifications:
• Channels: 12 fully configurable inputs
• Measurement Capabilities:

Vibration: 0-500 µm pk-pk

Displacement: 0-2.0 mm

Speed: 0-20,000 RPM
• Sampling Rate: 1kHz per channel
• Accuracy: ±1% FS

System Architecture:
✓ 12x isolated 4-20mA outputs
✓ 24 programmable alarm relays (SPDT)
✓ Dual communication ports:

RS-485 Modbus RTU

Ethernet (standard)

Optional Profibus-DP

Physical Specifications:

Power Supply: 100-240V AC or 24V DC

Operating Temp: -20°C to +70°C

Enclosure: IP20 rack-mount design

Dimensions: Standard 19" rack width

Advanced Features:

Individual channel configuration

Redundant power supply option

CMS 2000 software compatible

Real-time multi-channel LCD display

Typical Applications:

Power plant turbine supervisory systems

Multi-unit compressor stations

Large generator protection

Plant-wide condition monitoring

Compliance:
Meets API 670 and ISO 10816 standards
CE and UL certified

Special Notes:

"-N" suffix indicates standard industrial version

Supports hot-swappable module replacement

Ideal for centralized monitoring solutions

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General Description
The EPRO A6740-12-N is a 12-channel monitoring module designed for large-scale machinery protection systems, providing comprehensive vibration, displacement, and speed monitoring for critical industrial equipment (turbines, compressors, generators).

Key Parameters
Input Specifications
Channels: 12 independent monitoring channels (configurable per parameter)

Compatible Sensors:

Eddy current probes (e.g., PR6423, PR6426)

Velocity/acceleration sensors (4–20 mA / 0–10V)

Tachometer signals (pulse input)

Measurement Modes:

Vibration (Velocity/Displacement): 0–500 µm pk-pk

Speed: 0–20,000 RPM

Position: 0–2.0 mm (configurable)

Performance
Accuracy: ±1% of full scale

Frequency Response:

Vibration: 10 Hz–1 kHz (ISO 10816 compliant)

Displacement: DC–10 kHz

Sampling Rate: 1 kHz per channel

Outputs & Alarms
Analog Outputs: 12x 4–20 mA (isolated, configurable per channel)

Relay Outputs: 24 programmable relays (SPDT, 250V AC/2A)

Alarm Types: Danger/Warning (adjustable thresholds)

Communication:

RS-485 (Modbus RTU)

Ethernet (standard)

Optional Profibus-DP

Power & Environmental
Power Supply: 100–240V AC or 24V DC (±10%)

Operating Temperature: -20°C to +70°C

Enclosure Rating: IP20 (rack-mounted)

Display & Interface
Front Panel: LCD with multi-channel display

Configuration: EPRO CMS 2000 software

Typical Applications
Power plant turbine monitoring

Multi-compressor train protection

Large generator sets

Compliance & Certifications
Standards: API 670, ISO 10816

Certifications: CE, UL