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Shinkawa VM-5T User Manual

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MANUAL NO. 29602E4.7
Published in Apr.1996
Revised in Feb.2012
VM-5 SERIES MONITOR
MODEL VM-5S DUAL TACHOMETER
INSTRUCTION MANUAL

Table of Contents

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Shinkawa VM-5T Specifications

General IconGeneral
BrandShinkawa
ModelVM-5T
CategoryMonitor
LanguageEnglish

Summary

Safety Conventions

Explanation of Signs and Symbols

Details the warning signs and symbols used in the manual for hazard identification.

Safe Use Guidelines

Provides essential precautions for safe operation, wiring, and handling of the equipment.

EMC and Noise Filter Considerations

Discusses EMC, recommended precautions, and noise filter suggestions for monitor operation.

General Information

Specifications

Outline Drawing

Interconnection

Transducer Interconnection and Cable Recommendations

Covers signal transmission cable connection and recommended cable types for transducers.

Intrinsic Safety Explosion-Proof Construction

Details intrinsic safety explosion-proof construction wiring for specific models.

Non-Intrinsic Safety Explosion-Proof Construction

Explains non-intrinsic safety explosion-proof construction wiring for various models.

Description of Functions

Display and Speed Relay Functions

Describes display content, speed relay types (over/under speed), and input abnormal alarm detection.

First-Out Display and Bypass Functions

Explains first-out display, danger bypass, CH1 bypass, and CH2 bypass functions.

Power On Timer, Alarm, and Reset Modes

Details power on timer mode, OK alarm/speed relay modes, and alarm reset modes.

Monitor, Recorder, and Diagnostic Functions

Covers monitor/pulse output, recorder output, power sequence, and self-diagnostic functions.

Description of Parts

Front Panel and Side View Components

Illustrates and labels components on the front panel and side view of the unit.

Detailed Parts Description

Provides detailed explanations for each numbered part of the unit, including lamps and connectors.

LCD Display Layout Details

Details the numbering and names of items displayed on the LCD screen.

Parameter Setting

Face Plate Withdrawal Procedure

Step-by-step guide on how to remove the face plate to access internal settings.

Basic Key Operations

Explains the functions of the SET, UP, DOWN, RES, and CHK keys for parameter adjustment.

DIP Switch Settings

Details the function of each DIP switch for controlling bypass, mode selection, and parameter settings.

Parameter Setting 1 Procedures and Operations

Guides through setting alarm modes, delay times, first-out display, and key operations.

Parameter Setting 2 Procedures and Operations

Covers setting speed relay values, trigger levels, and span/zero adjustments for outputs.

Trigger Level and Hysteresis Settings

Explains how to set trigger levels and hysteresis for accurate pulse generation.

Gear Tooth Form for Detection

Provides recommended gear tooth forms and dimensions for optimal detection signal.

Trigger Mode Selection and Settings

Guides on selecting between Auto Trigger and Manual Trigger modes based on conditions.

Hysteresis Determination and Setting

Describes how to determine and set hysteresis values for stable measurements.

Output Selection (Monitor/Pulse)

Details jumper pin settings for selecting monitor or pulse output.

Speed Relay Hysteresis

Explains how hysteresis prevents contact chattering in auto-reset mode.

Functional Diagram

Block Diagram Overview

Presents the overall block diagram of the VM-5S unit with numbered components.

Functional Block Diagram Explanation

Explains the function of each numbered block within the functional diagram.

Maintenance

Recommended Maintenance Equipment

Lists essential equipment required for performing maintenance procedures.

Verification of OK (Input Abnormal Alarm) Operation

Tests the OK alarm display and contact output, including interconnection checks.

Verification of Speed Relay Operation

Tests the display and contact output of speed relay functions, including interconnection.

Verification of Measured Value and Recorder Output

Checks the measured value and recorder output, including interconnection and synthesizer use.

Adjustment of Measured Value and Recorder Output

Guides on adjusting measured value, recorder output zero, and span for accurate readings.

Capacitor Replacement Procedures

Provides guidelines for replacing aluminum electrolytic capacitors on the main and isolation boards.

LCD Unit Replacement

Details the step-by-step process for replacing the LCD unit.

LCD Adjustment (Contrast and Backlight)

Explains how to adjust the LCD contrast and backlight using a screwdriver.

Troubleshooting

LCD Display Abnormalities

Flowchart for diagnosing and resolving abnormal LCD display issues.

OK Display Flashing Issues

Troubleshooting guide for situations where the OK display is flashing.

Measured Value Abnormalities

Flowchart to diagnose and fix problems with abnormal measured values.

Speed Relay Operation Issues

Troubleshooting steps for when the speed relay does not operate or operates erroneously.

Alarm and Recorder Output Issues

Guides for resolving issues with OK alarms not operating or no recorder output.

Site Inspection

Verification in Stopped Condition

Checks interconnections and set gap voltage with the unit stopped.

Verification in Turning Condition

Checks monitor output and pulse output while the unit is turning.

Verification During Operation

Records monitor output waveform and verifies system operation during normal running.

Checks Prior to Operation

Checklist for interconnections, sensor gap, trigger levels, and operation before starting.

Warranty Information

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