Basic Information

Manufacturer: Emerson (EPRO division of Germany)

Origin: Germany

Installation method: 19-inch standard rack / backplane installation, supports hot swapping

Compatible systems: Ovation DCS, MMS6000 (fully compatible with G03/G05, direct replacement)

Status: Latest production version, original factory recommended replacement part, key spare parts for power plants

Core differences from G03/G05 (G08 upgrade points)

Hardware ultimate optimization: Re-designed PCB and power supply, enhanced EMI anti-interference, stronger long-term stability

Accuracy improvement: Measurement accuracy from ±0.3% (G05) → ±0.2% (G08)

Firmware enhancement: Optimized dynamic response, more detailed fault diagnosis, higher key signal fault tolerance

Temperature adaptability: Working temperature -20°C ~ +65°C (G03/G05: 0°C~60°C)

Compatibility: 100% downward compatible with G03/G05, no need to modify wiring / configuration

Guarantee and lifespan: Extended original factory standard guarantee, longer MTBF (Mean Time Between Failures) Function positioning

High-precision monitoring of rotational shaft eccentricity (bending), protecting key equipment such as steam turbines, generators, and compressors

Dual-channel independent measurement, real-time output of eccentric peak-to-peak value, gap voltage, over-limit alarm / interlock

Built-in microprocessor, integrated sensor self-check, fault diagnosis, data recording

Non-contact eddy current measurement, suitable for high-speed rotating machinery, strong anti-interference

Support for online configuration, data upload to DCS, redundant power supply

Core parameters (G08)

Channel quantity: 2 channels (independent)

Measurement object: shaft radial eccentricity, sensor gap

Sensor compatibility: EPRO PR642X series eddy current sensor + CON0X1 preamplifier

Input signal: -1 to -23VDC

Output signal: 4–20mA, dynamic signal, alarm / relay contact

Communication: RS232 (configuration), RS485 (system)

Power supply: 24VDC (redundant), power consumption ≤ 10W

Operating temperature: -20°C to +65°C

Measurement range: 0–500μm (adjustable)

Accuracy: ±0.2%

Key signal: >13V compatible

Compatible accessories

Sensor: PR6423/PR6424/PR6425 + CON011/CON021

System: Ovation DCS, MMS6000, Bently 3500

Backplane: MMS6000 standard chassis, Ovation I/O backplane

Supplementary items: 24VDC redundant power supply, signal cable, configuration software Application fields

Thermal power / Nuclear power: Axial eccentricity protection for steam turbine generator sets

Gas turbine: Monitoring of rotor bending in gas turbines

Petrochemicals: Protection for compressors, centrifuges, and pump sets

Metallurgy / Steel: Monitoring of large motor and fan shaft systems

Water treatment: Monitoring of the status of large water pumps and turbines