SHINKAWA VM-5 Series Monitor

SHINKAWA VM-5 Series Monitor

The VM-5 series monitor is produced by SHINKAWA Sensor Technology, Inc. and complies with API standard 670. It is suitable for monitoring various types of rotating machinery and offers three device forms: 8-slot, 10 slot rack mounted, and single machine with built-in power supply. It covers 18 monitoring units such as vibration, displacement, eccentricity, temperature difference expansion, speed, temperature, etc., and is equipped with dedicated sensors and relay, communication and other module units. It has flexible configuration, data communication, fault alarm, power-off backup and other functions. It has passed multiple international standard certifications and can meet the diverse monitoring needs from small rotating machinery to large turbine TSI systems.

Product Overview
Manufacturer: SHINKAWA Sensor Technology, Inc
Core positioning: A monitoring system designed specifically for rotating machinery, compliant with API standard 670, suitable for all scenario requirements from small and medium-sized equipment to large turbine TSI (Turbine Monitoring Instrument)
Certification qualifications: Passed CE certification, multiple classification society standards (Japan NK, South Korea KR, UK LR)
Core advantages: flexible configuration, convenient operation (full front-end operation without downtime), comprehensive functions, high reliability

Equipment form and installation
Equipment type, model, core parameters, installation characteristics
Rack mounted VM-5H3 with 8 slots, capable of accommodating up to 8 monitoring units and 1 communication/phase marking unit. The front-end is equipped with monitoring units, while the back-end is equipped with modules/power supply units
Rack mounted (dual power) VM-5W1 10 slot, capable of accommodating up to 10 monitoring units and 1 communication/phase marking unit, supporting 2 VM-5Z power units with redundant dual power design, seamless switching in case of failure
Single machine VM-5G built-in power supply, pre installed relay module does not require additional module installation, plug and play

Core constituent units
(1) Monitoring units (18 types, classified by function)
Functional category, model, core use, key parameters
Vibration Monitoring VM-5K (Dual Vibration) 2-channel Shaft Vibration Monitoring Monitoring Range 0-500 μ m pk pk, Accuracy ± 0.5% F.S. (25 ℃)
Vibration monitoring VM-55 (vibration) simultaneously monitors relative/absolute vibration or relative/seismic vibration within the monitoring range of 0-800 μ m pk pk, with an accuracy of ± 3.0% F.S. (25 ℃)
Vibration monitoring VM-5U (dual seismic) 2-channel velocity sensor signal input monitoring range 0-500 μ m pk pk or 0-50mm/s pk, accuracy ± 0.5% F.S
Vibration monitoring VM-5B (dual acceleration) 2-channel acceleration sensor signal input monitoring range 0-200m/s ² pk, accuracy ± 0.5% F.S
Vibration monitoring VM-5M (dual path) simultaneously monitors speed/acceleration, displacement/velocity monitoring range including 0-200m/s ², 0-500 μ m and other multiple specifications
Displacement/eccentricity VM-5C (eccentricity) monitoring of shaft deflection during turbine rotor start-up/turning, monitoring range 0-1000 μ m pk pk, accuracy ± 1.0% F.S. (25 ℃)
Displacement/eccentricity VM-5T (dual thrust) monitoring rotating mechanical shaft position monitoring range -2.0~+2.0mm, accuracy ± 0.5% F.S. (25 ℃)
Temperature difference expansion VM-5D/5N/5L/5J/5E measures the thermal expansion difference between the rotor and the casing. Some models support complementary input and the range is expanded by 2 times
Speed monitoring VM-5S (dual speed) monitors rotor speed and zero speed with a maximum range of 99999 rpm and an accuracy of ± 0.5% F.S. (25 ℃)
Speed monitoring VM-5Q (reverse rotation) detects peak reverse speed with a maximum range of 20000rpm
Speed monitoring VM-5R (speed) monitors speed and acceleration, supports independent threshold setting acceleration range -9999~+9999rpm/min
Temperature monitoring VM-5F (dual temperature) monitors the temperature of rotating machinery (not applicable to VM-5G) with a range of 0-1000 ℃ and an accuracy of ± 1.0 ℃ when the temperature is ≤ 500 ℃
Other monitoring VM-51 (rod drop) measures the clearance between the piston rod and the sensor, converts the rider ring wear range from 0-10.0mm, and has an accuracy of ± 2.0% F.S. (0-65 ℃)
Other monitoring VM-52 (bottom hold) measures the clearance between the piston and sensor to obtain the wear range of 0-4.5mm, with an accuracy of ± 1.0% F.S. (25 ℃)
(2) Module unit
Module type, model, core function, key parameters
The relay module VM-5Y series outputs alarm, OK and other contact signals, supports sequence control of 2-6 relay points, and has a contact capacity of 250VAC/5A
Interface module VM-5X series allocates recorder output signals, simplifies wiring input 1-5VDC/4-20mA, outputs up to 8 points
Communication module VM-53 (dual communication) dual serial port, Modbus protocol, supports multi rack Daisy Chain connection baud rate 1200-38400bps (RS-485)
Phase marking module VM-5P3 processes phase marking signals, detects power supply faults with 2-channel input and output impedance of 500 Ω
The VM-5Z series power module provides DC power output of 24VDC/4mA or -24VDC/40mA for units inside the rack, with fault alarm indication
When the power backup module VM-5Z0 experiences an instantaneous power outage, it will backup for 0.2 seconds under the maximum load of the backup power supply, occupying space for 2 monitoring units
(3) Supporting sensors
Types: FK/VK series vibration sensors, CV/CA series speed/acceleration sensors, RD series speed sensors, LS series LVDT linear sensors, etc
Advantages: High reliability, strong adaptability to specifications, ensuring monitoring stability

Key functions and technical parameters
(1) Core functions
Multivariate monitoring: covering full dimensional parameters such as vibration, displacement, eccentricity, temperature expansion, rotational speed, temperature, and rod drop
Data communication: Output measurement data to PC or InfiSYS RV-200 diagnostic system through VM-5P/VM-53 unit, supporting PC end alarm settings
Alarm mechanism: multi-level alarm (DANGER1/2, ALERT1/2), LED visual indication, relay contact output
Reliability design: VM-5W1 dual power redundancy, VM-5Z0 0.2 second power-off backup to ensure continuous operation
Flexible Expansion: Supports optional feature upgrades such as RMS rectification, insulation output card, and tropical specifications
(2) General Technical Parameters
Parameter category specific specifications
Working temperature 0-65 ℃ (monitoring unit/module), some power modules 0-50 ℃
Recorder output standard: 1-5VDC (impedance 250 Ω), 4-20mA (maximum load 500 Ω); Optional 0- ± 10VDC, etc
Monitor the output of the buffer amplifier, with an impedance of approximately 100 Ω
Accuracy range ± 0.5%~± 3.0% F.S. (varies depending on unit model and temperature)
Storage temperature -30~+85 ℃ (most units)