Description
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The VM-5 Series monitors are designed to comply with American Petroleum Institute (APl) Standard 670 for rotating machinery. Available in 8-slot and 10-slot rack-mount types and stand-alone types with built-in power supplies, these monitors are flexible to cope with any system design from small and medium-sized rotating machinery to TSl (Turbine Monitoring Instrumentation) for large turbines used in generators. In addition, these are designed to be user-friendly so that all operations and inspections can be performed from the front of the monitor without stopping the operation. They also include all the functions required to monitor a variety of variables of rotating machinery from displacement and vibration to zero speed, enabling any system design corresponding to the type and size of machinery. System Configuration
The VM-5 Series has two instrument racks – the rack-mount types VM-5H3 (8-slot) and VM-5W1 (10-slot), and a stand-alone type with built-in power supply (VM-5G).
Installation
For the rack-mount type, mount the monitor unit to the front panel and the associated module unit to the rear panel. The communication unit and power supply unit are also mounted on the rear panel. The single-unit frame (VM-5G) comes with pre-installed relay modules, so there is no need to install additional modular units.
MONITOR UNIT
VM-5K Dual Vibration Monitor
VM-55 Vibration Monitor
VM-5U Dual Seismic Monitor
VM-5B Dual Acceleration Monitor
VM-5M Dual Path Monitor
VM-5C Eccentricity Monitor
VM-5T Dual Thrust Monitor
VM-5D Dual Differential Expansion Monitor
VM-5N Ramp Differential Expansion Monitor
VM-5L Complementary Input DifferentialExpansion Monitor
VM-5J Case Expansion/Complementary Differential Expansion Monitor
VM-5E Dual Case Expansion Monitor
VM-5A Dual Valve Position Monitor
VM-5S Dual Tachometer
VM-5Q Reverse Rotation Monitor
VM-5R Tachometer
VM-51 Rod Drop Monitor
VM-52 Bottom Hold Monitor
VM-5F Dual Temperature Monitor
VM-5Y Relay Module Unit
VM-5X Interface Unit
VM-5P3 Phase marker Unit
VM-53 Dual Communication Unit
VM-5Z Power Supply Unit
VM-5Z0 Power Supply BackupModule Unit
VM-5 Series
Monitor Unit
The VM-5 Series monitor unit is mounted on the front panel of each instrument rack. The LCD display, each display light, and BNC output terminals are neatly mounted on the slim panel. (Display styles vary.) Bar graphs and digital measurement value indications are used on the display for easy reading. Bar graphs are also used to indicate danger and alarms. These are also displayed clearly. When an alarm occurs, each alarm LED lights up, providing easy visual confirmation.
General Specifications
Recorder Output
Voltage or current output is proportional to the monitoring range.
1 to 5VDC (output impedance: 2502)
4 to 20mADC (maximum load resistance: 500) Options: 0 to -10VDC, 0 to 10VDC, 0 to -5VDC, 0 to 5VDC (output impedance: 1002) Output points: 2 points
Monitor output (from front panel, rear panel) Input signal is output through a buffer amplifier.
Operating temperature: 0 to 65°C
Output impedance: Approx. 100Ω
VM-5 SYSTEM MONITOR UNITS
VM-5K Dual Vibration Monitor
VM-55 Vibration Monitor
VM-5U Dual Seismic Monitor
VM-5B Dual Acceleration Monitor
VM-5M Dual Path Monitor
VM-5C Eccentricity Monitor
VM-5T Dual Thrust Monitor
VM-5D Dual Differential Expansion Monitor
VM-5N Ramp Differential Expansion Monitor
VM-5L Complementary Input Differential Expansion Monitor
VM-5J Case Expansion/Complementary Differential Expansion Monitor
VM-5E Dual Case Expansion Monitor
VM-5A Dual Valve Position Monitor
VM-5S Dual Tachometer
VM-5Q Reverse Rotation Monitor
VM-5R Tachometer
VM-5F Dual Temperature Monitor
VM-51 Rod Drop Monitor
VM-52 Bottom Hold Monitor
VM-5K Dual Vibration Monitor
Inputs signals from the FK/VK Series Vibration
Transducers corresponding to 2 channels.
Simultaneously provides 2 points of shaft
vibration monitoring within one unit.
VM-5U Dual Seismic Monitor
Inputs signals from the CV Series Velocity
Transducer corresponding to 2 channels.
VM-55 Vibration Monitor
Simultaneously monitors both relative and absolute
vibrations or relative and seismic vibrations
VM-5B Dual Acceleration Monitor
Inputs signals form the CA Series Acceleration
Transducer corresponding to 2 channels.
VM-5M Dual Path Monitor
Simultaneously monitors the velocity/acceleration and displacement/velocity vibration of rotating machinery detected by CV Series Velocity
Transducer or CA Series Acceleration Transducer.
Detects machine failures early on and informs the operator of these failures.
VM-5C Eccentricity Monitor
Monitors the shaft deflection (eccentricity pk-pk) of the turbine rotor at machine start-up and turning.
VM-5T Dual Thrust Monitor
Monitors the shaft position of rotating machinery.
Inputs thrust displacement signals from the FK/VK Series Transducers and monitors shaft position.
VM-5D Dual Differential Expansion Monitor
Measures the differential expansion caused by thermal expansion of the rotor and casing. Inputs the expansion of the rotor away from the thrust bearing detected with the VK Series Transducer to measure the differential expansion.
VM-5L Complementary input Differential Expansion Monitor
Measures the differential expansion caused by the thermal expansion of the rotor and casing. Receives input from two sensors installed in a complementary arrangement and can measure the differential expansion to twice the sensor range.
VM-5E Dual Case Expansion Monitor
Inputs the casing expansion signal from the LS Series LVDT Linear Variable Differential Transformer and displays them on LCDs.
VM-5N Ramp Differential Expansion Monitor
Measures the differential expansion caused by the thermal expansion of the rotor and casing. Inputs the expansion of the rotor detected by the VK Series
Transducers installed on the rotor ramp away from the thrust bearing, then outputs the computed differential expansion, thereby eliminating the measurement error resulting from rotor lifting caused by oil film, etc.
VM-5J Case Expansion /Complementary Differential Expansion Monitor
Measures differential thermal expansion between the rotor and case of rotating machinery. Accepts the output of the VM-5L Complementary Input Differential
Expansion Monitor and the case expansion signal from the LVDT, performs compensation, and computes the differential expansion value.
VM-5A Dual Valve Position Monitor
Inputs the valve position signal from the LS Series
LVDT linear Variable Differential Transformer and displays them on LCDs.
VM-5S Dual Tachometer
Monitors the rotor speed of the shaft and zero-speed.
VM-5Q Reverse Rotation Monitor
Provides detection of reverse revolutions, indicating peak reverse speed values that have occurred.
VM-5R Tachometer
Monitors the rotor speed and rotor acceleration of the shaft, and can set speed comparison values to the rotor velocity or rotor acceleration independently.
VM-5F Dual Temperature Monitor
This monitor is designed to monitor the temperature of rotating machinery. lt inputs signals from grounded/non-grounded thermocouples, or 3-wire/4-wire RTDs and displays them on LCDs.
VM-51 Rod Drop Monitor
Monitors the gap between the piston rod set as the target and the sensing surface of the sensor for rod drop measurement (FK/VK) so as to synchronize with the phase marker, and then converts the gap thus measured to the amount of rider ring abrasion.
VM-52 Bottom Hold Monitor
Monitors the gap between the piston set as the target and the sensing surface of the sensor for rider ring abrasion measurement to obtain the amount of abrasion.
V-5 SERIES MODULE UNIT
This unit is available in several different styles – Relay, Interface. Communication, Phase Marker, Power Supply unit, etc., and provides high functioning and reliability. To use, install into the front or rear panel of the instrument rack (VM-5H3 Instrument Rack or VM-5W1 Dual Power Supply Instrument Rack).
VM-5Y1,2,3 Relay Module Unit
These units are designed for use with VM-5 Series Monitors. Mounted on the rear panel of the VM-5H3 or VM-5W1 Instrument Rack, they output contact signals such as input abnormal, alert and danger alarms for sequence control. Using 10mm-pitch two column large-sized terminal block, there is no complicated wiring involved.
VM-5Y4.5.6 Relay Module Unit
These units are the connector type Relay Module. Mounted on the rear panel of the VM-5H3 or VM-5W1 Instrument Rack, VM-5Y4 and 6 can output the recorder output and alarm output signal and VM-5Y5 can output the buffer output and alarm output signal through the D-sub connector.
They also output contact signals of the sequence control for input abnormal, alert and danger alarms from the terminal block. An arc suppressor (optional) absorbs the arc discharge between contacts to prevent damage to the internal circuits.
VM-5Y7 Relay Module Unit
Designed for use with the VM-5F Dual Temperature Monitor. Mounted on the rear panel of the VM-5H3 or VM-5W1 instrument Rack, it outputs a contact siqnal of sequence control for alert and danger alarms.
VM-5X1,2,3 Interface Unit
Distribute and output the recorder output from the VM-5 Series Monitor Units. They also output analog signals distributed from the VM-5X2,3 interface Unit l/0 module mounted on the rear panel of the VM-5H3 or VM-5W1 Instrument Rack. Using a 10mm-pitch two column large-sized terminal block, there is no complicated wiring (VM-5X2). The VM-5X3
Interface Unit l/0 Module (connector type) outputs recorder output from the D-sub connector.
VM-5P3 Phase Marker Unit
Accommodated in a VM-5H3 or VM-5W1 Instrument Rack, these units process phasemarker signals, and provide OK alarm contact output and internal power supply voltagefailure detection.
VM-53 Dual Communication Unit
This unit has two independent serial ports. While inserted in a relay module slot of the VM-5H3 or VM-5W1 Instrument Rack, it collects static data in the rack by the Modbus protocol and then sends it to an external host computer. In addition, as this unit can be daisy chain-connected, it enables data collection from two or more racks.
VM-5Z1,2,3,4 Power Supply Unit
Provides DC power to each VM-5 Series unit mounted in the same instrument rack. A fault in the power supply is indicated by lighting of the power supply OK lamp and alarm contact output.
VM-5Z0 Power Supply Backup Module Unit
Backs up the DC power supplied to each VM-5 Series units mounted in the VM-5H3 or VM-5W1 Instrument Rack, at the time of an instantaneous electric power failure.
VM-5W1 Dual Power Supply Instrument Rack
Designed to accommodate the VM-5Z Power Supply Unit. The VM-5 Series Monitor and VM-5Y Relay Module Unit mounts on a standard panel. This rack can accommodate one(1)VM-5P Communication/Phase Marker Unit, and up to ten(10)V-5 Series Monitors with a VM-5Y Relay Module for each unit. A duplexes power supply is obtained by mounting two VM-5Z power Supply Unit.
VM-5H3 Instrument Rack
Accommodates the VM-5P Communication/Phase Marker Unit and VM-5 Series monitors. This rack can accommodate one(1)VM-5P and up to eight (8)VM-5 Series Monitors with VM-5Y Relay Module Unit and VM-5Z Power Supply Unit for every unit accommodated.
VM-5G0.1,2 Single Unit Instrument Rack
This type of instrument rack consists of a power supply for each VM-5 Series Monitor (except the VM-5 Communication/Phase
Marker Unit and VM-5F Temperature Monitor Unit), SPDT (DAN. 1, DAN.2,ALE.1,ALE.2)four(4) point relay and OK relay.
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