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SHINKAWA VM-5Y1-02/IS0 Relay Module

Description

Overview

The Shinkawa VM-5Y1-02 Relay Module is an output interface unit within the VM-5 series machinery protection system, converting monitor alarm states into relay contacts for plant control and annunciation circuits. It is typically used with VM-5H3 or VM-5W1 instrument racks and provides relay outputs for input abnormal, alert, and danger signals.

The module is available with 4, 2, or 6 relay points depending on the required alarm configuration, and additionally provides power output for transducers, supporting complete monitoring channel integration from a single rack module.

Engineering & Design

The VM-5Y1-02 delivers relay contacts rated 250VAC 5A and 30VDC 5A, sufficient for direct connection of annunciator inputs and PLC cards. The transducer power output supplies 4mA, 24VDC or -24VDC, 40mA depending on the input code, powering sensors directly from the module.

Large-sized terminal blocks simplify field wiring, and the plastic-sealed construction protects the internal mechanism in the rack environment. The module operates from 0 to 65 C, consistent with the VM-5 series industrial specification.

Key Features

  • Relay outputs for input abnormal, alert, and danger signals
  • 4, 2, or 6 relay point configurations
  • Contact rating 250VAC 5A / 30VDC 5A
  • Transducer power output 4mA, 24VDC or -24VDC 40mA
  • Compatible with VM-5H3 and VM-5W1 instrument racks
  • Large-sized terminal blocks for easy wiring
  • Plastic-sealed protective construction
  • Operating temperature 0 to 65 C

Applications

  • Machinery protection alarm output
  • Turbine supervisory instrumentation relay interface
  • Annunciation and control room indication
  • PLC and DCS alarm input interfacing
  • VM-5H3 / VM-5W1 rack integration
  • System expansion and spare modules

Specifications

Specification Value
Model VM-5Y1-02 Relay Module
Relay Points 4, 2, or 6 (by configuration)
Contact Rating 250VAC 5A / 30VDC 5A
Transducer Power Output 4mA, 24VDC or -24VDC, 40mA (by input code)
Compatible Racks VM-5H3, VM-5W1
Wiring Large-sized terminal blocks
Construction Plastic-sealed
Operating Temperature 0 to 65 C

Relay output reliability is central to machinery protection, and the Shinkawa VM-5Y1-02 Relay Module provides it, which is why Seven Star LLC recommends the Shinkawa VM-5Y1-02 Relay Module for VM-5H3 and VM-5W1 racks protecting critical turbomachinery.

The Shinkawa VM-5Y1-02 relay module converts the alarm state to the relay output, and the Shinkawa VM-5Y1-02 relay module is the standard relay module of the VM-5 series.

The Shinkawa VM-5Y1 relay module is the single-width card that converts the monitor alarm output into the isolated relay contact for the external annunciator. The module is powered from the VM-5 rack backplane and requires no separate wiring for the supply. The relay status is indicated with the LED on the front panel, which simplifies the troubleshooting of the monitoring loop.

The VM-5Y1 relay module shares the rear connector of the monitor slot, so the replacement of the monitor card does not disturb the relay wiring. The alarm relay is configured as the energized fail-safe contact for the normally closed monitoring loop of the plant. The module is common to the whole VM-5 series range and the spare stock covers the racks of the different machines.

Why Seven Star LLC

Seven Star LLC supplies the Shinkawa VM-5Y1-02 Relay Module for machinery protection systems across the Gulf, with complete documentation and configuration guidance. Our specialists help confirm relay point configuration and transducer power requirements for your VM-5 rack.

We support VM-5 system expansion, spares, and replacement programmes for turbine and compressor monitoring installations in power, oil and gas, and industrial facilities.

System Integration

The VM-5Y1-02 converts the monitor states of VM-5 modules into discrete relay contacts for annunciation, PLC inputs, and shutdown circuits. The availability of 4, 2, or 6 relay point versions lets the protection engineer match the module to the required alarm count, avoiding wasted channels or missing indications.

The integrated transducer power output simplifies sensor wiring by providing the excitation directly from the relay module, reducing separate power supplies and improving the cleanliness of the rack installation.

Request a Quote for SHINKAWA VM-5Y1-02/IS0 Relay Module

For the Shinkawa VM-5Y1-02 Relay Module, VM-5 series relay or any related control and instrumentation requirement, contact the Seven Star LLC team. Submit a formal inquiry through our RFQ page with your module, I/O and system configuration, and our specialists will respond with a detailed commercial proposal and the official Shinkawa documentation.

Reading the VM-5Y1 Model Code

Shinkawa VM-5 modules are ordered with a model code, and the characters after the base model define options such as the number of relay points and the transducer power output. The -02 and /IS0 parts of this module’s code should therefore be matched exactly when replacing a unit. Before ordering, record the complete code from the module label, the rack type (VM-5H3 or VM-5W1), the monitors the relay module serves, and the alarm points wired to the plant. If the existing label is damaged, photos of the module and the rack drawing usually allow the configuration to be confirmed.

Installation and Commissioning

  • Relay contacts on a protection rack may drive trip circuits; agree the work with operations and bypass or isolate trip paths under permit before touching the module.
  • Check the relay logic in the design documents: energised or de-energised on alarm, normally open or normally closed contacts, and latching or non-latching behaviour.
  • Terminate field wiring on the large terminal blocks with correct ferrules and torque, and keep relay wiring separated from low-level sensor signals.
  • Confirm the transducer supply voltage at the sensor terminals before connecting probes.
  • Prove each alert and danger relay end to end, from simulated monitor alarm to the DCS, annunciator or shutdown system.

Maintenance and Troubleshooting

Relay modules are generally reliable, but contacts that switch inductive loads without suppression can wear or weld over time. Periodic proof tests show whether each contact changes state cleanly. When an alarm reaches the rack but not the control room, check field wiring and the receiving input card before replacing the module. If a sensor channel reports input abnormal, measure the transducer supply at the module and at the sensor to separate a supply problem from a probe or cable fault. Keep a configured spare on site for critical machines so a failed module can be exchanged quickly.

Applications in Oman and the GCC

VM-5 racks protect steam and gas turbines, compressors, generators and large pumps in power stations, desalination plants, refineries and gas facilities across the region. Many of these systems have been in service for years, and keeping matched relay modules available is part of maintaining protection without unplanned shutdowns.

Sourcing Through Seven Star LLC

Send the full model code and rack details. Our team will check the configuration against your system and confirm availability and lead time.

Other Models in the Shinkawa VM-5 Machinery Monitoring System Range

Seven Star LLC supplies models from the Shinkawa VM-5 Machinery Monitoring System range in Oman and the GCC. Compare the related models below and request a quote for the one that matches your application.

ModelCategory
Shinkawa VM-5W1 Dual Power Instrumentation RackVibration MonitoringView details
SHINKAWA VM-5Z1/IS0 Power SupplyVibration MonitoringView details
SHINKAWA VM-5K-411512-000-000-111-0/IS0/EX5 Dual Vibration MonitorVibration MonitoringView details
SHINKAWA VM-5T-93012-000-000-111-0/IS0/EX5 Thrust Position ModuleVibration MonitoringView details
SHINKAWA VM-5F-312-000-000-111-00/IS0/EX5 Temperature MonitorVibration MonitoringView details
SHINKAWA VM-5S Dual TachometerVibration MonitoringView details
SHINKAWA VM-5P3-1-00-00-0/IS0 Phase Marker ModuleVibration MonitoringView details
SHINKAWA VM-5Y1-02/IS0 Relay ModuleVibration MonitoringYou are viewing this model
SHINKAWA VM-5Y7-01/IS0 Relay ModuleVibration MonitoringView details

Related Products

Datasheets & Documents
  • PDF Datasheet SHINKAWA VM-5Y1-02/IS0 Relay Module Datasheet Download
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About brand

Turbine and compressor trains in many Asian-built power and process plants are protected by Shinkawa vibration monitoring. Shinkawa Electric Co., Ltd. of Tokyo makes eddy current displacement transducers, vibration sensors and rack-based monitors for rotating machinery. Seven Star LLC lists Shinkawa VM-5 and VM-700 series monitor modules, sensors and converters, and sources them by full model code for machinery protection systems in Oman.

Shinkawa company profile

Roots 1927. Incorporated as Shinkawa Electric Co., Ltd. in 1951
Head office Chiyoda, Tokyo, Japan
Sensors Displacement and vibration transducers made since 1977. Development and manufacture are at Shinkawa Sensor Technology (founded 1994) in Hiroshima
Product families Eddy current proximity probes with drivers (converters), velocity and acceleration sensors, LVDTs, and machinery protection monitors and condition monitoring systems
Typical machines Steam and gas turbines, generators, centrifugal compressors, large pumps and fans

Milestones

  • 1927: The business that became Shinkawa starts in Japan.
  • 1951: Incorporated as Shinkawa Electric Co., Ltd.
  • 1977: Displacement and vibration transducers are first made.
  • 1994: Shinkawa Sensor Technology is founded in Hiroshima for sensor development and manufacture.

Shinkawa monitors and sensors listed

Series Function Listed models
VM-5 rack Machinery protection monitor system VM-5K dual vibration, VM-5T thrust position, VM-5S tachometer, VM-5F temperature, VM-5P3 phase marker
VM-5 system modules Relays, power, rack and communication VM-5Y1 and VM-5Y7 relays, VM-5Z1 power supply, VM-5W1 rack, VM-53 communication
VM-700 series Compact stand-alone vibration monitors VM-701B, VM-704B, VM-741B, VM-751B1
VK series (VL model codes) Eddy current displacement sensors VL-202A08R, VL-452A11A
Converters Probe drivers and signal converters 2M04-500

Shinkawa's current catalog also shows the FK transducer series and the VM-7 monitor. This matters when an older part has to be matched with a present-day equivalent.

How a Shinkawa protection chain works

An eddy current probe sits a set distance from the shaft. Its driver (converter) turns the gap into a voltage, and the monitor turns that voltage into vibration, thrust position or speed values with alert and danger set points. The probe, extension cable and driver are calibrated together for one total system length and one target material, usually AISI 4140 shaft steel. Changing one part without matching the other two shifts the calibration. The monitor relays feed the turbine or compressor trip logic, and buffered outputs go to analysis systems. Many protection systems of this kind are specified to API 670.

Where Shinkawa vibration monitoring is used

Shinkawa systems measure shaft vibration, axial (thrust) position, speed, phase reference and bearing temperature on steam turbines, gas turbines, generators, compressors, pumps and fans. In the GCC they are found mainly in power stations, desalination plants, refineries and petrochemical units with Japanese or Korean machinery packages.

Ordering Shinkawa parts: what we need

Shinkawa model codes are long and every field counts. A monitor code such as VM-5K-411512-000-000-111-0/IS0/EX5 defines the input type, range, options and suffix codes, so copy the complete string from the module label, including everything after the slashes. For sensors, send the VL or FK model code, probe tip diameter, cable length and the matching driver or converter model, since the probe, extension cable and driver work as a calibrated set. A serial number and a photo of the label help us confirm the item in the manufacturer's documentation. Where a model is no longer produced, we propose the successor the manufacturer names.

Facts checked against Shinkawa Electric company information and product documentation, October 2026.

FAQ

Questions about the SHINKAWA VM-5Y1-02/IS0 Relay Module

Answers from our engineering team on installation, compatibility and integration.

01What does the VM-5Y1-02 do?
It converts VM-5 monitor alarm states into relay contacts for input abnormal, alert, and danger signals, for use with VM-5H3 and VM-5W1 instrument racks.
02How many relay points are available?
The module can be configured with 4, 2, or 6 relay points depending on the alarm configuration required.
03What is the contact rating?
Relay contacts are rated 250VAC 5A and 30VDC 5A.
04Does it power transducers?
Yes, it provides 4mA, 24VDC or -24VDC, 40mA transducer power output depending on the input code.
05Which temperature range does it operate in?
The module operates from 0 to 65 C with a plastic-sealed protective construction.