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Toshiba
L5232
manual
FCF50017
Models:
L5232
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Troubleshooting
Specification
Install
Explanation of signal words
Password
Converter Error Alarm Output
Wiring
Maintenance
Preset Counter
Diagnostic messages
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FCF50017
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Contents
Electromagnetic Flowmeter Converter LF232 Type
6F8A0917
6F8A0917
Nd Edition August First Edition June
Explanation of signal words
Safety symbols
Color explanation
Safety Precautions
Safety Precautions for Installation and Wiring
Safety Precautions for Maintenance and Inspection
Warranty and Limitation of Liability
Usage limitation
Handling Precautions
Do not store or install the flowmeter
Handling Precautions
Table of Contents
6F8A0917
6F8A0917
Product Inspection and Storage
Product Inspection
Storage
Features
Overview
Names of Parts
Appearance
Internal structure with converter cover opened
Terminal block construction
Installation
Hands
6F8A0917
How to Install the Converter
Unit inch mm
Example of Pipe Mounting
From mains power
Wiring
Urn off mains power before working on pipes
Do not conduct wiring work with bare hands
Installation Cables
Installation Cables
External Connections
6F8A0917
Wiring Method
Terminal Treatment of Cables
Excitation cable
Connecting the input signal cable
Terminal Treatment of Flow Rate Signal Cable
Power cable, current output cable and digital I/O cables
Cable Connection
Connection to Terminal Block
9a Wiring between Detector and Converter
Grounding
Difficult
10 Detector Grounding Method
Digital I/O Connections
11 Connection Example of Electromagnetic Counter
Installation
Wiring
Replacing the LF230 Converter
12 How to Connect an Adjusting Capacitor
Combination with an Existing Detector for Large Meter Size
Replacement of partially filled pipes type
6F8A0917
Operation
6F8A0917
Display and Controls
Display and Controls
Operation switch infrared switch
Names and Functions of Display and Controls
LCD display
Instructions
Menu display Setting mode
Functions of each switch
Measurement mode
Counter in operaiton Resets the counter
Display Format
Measured value display format
Flow velocity value and instantaneous flow rate display
Total count display
Total flow value display
Total difference flow value display
Percent display
Custom unit display
Mode Switching
Error message / other message display
Fixed output display
ENTER111
6F8A0917
Setting Mode Operation
Moving to the menu display
To return from the menu display to the measurement mode
Checking or changing the setting values
Password Input
Mode switching flow when password is set
Example of password input mode selection SET and password
Totalizer Operation
Example of totalizer operation
Maintenance Menu
Example to move to the maintenance menu
Setting Menu List
Return to measurement mode
Parameter Settings / Adjustment
Parameter Setting Items
Parameters Check / Change
Exciting Current Value
Checking the exciting current value
Changing the exciting current value
Meter Size
Checking the meter size of the detector
Changing the meter size of the detector
10,1/6,1/4 2.5 to 6 mm
Exciting Frequency
Checking the exciting frequency
26 to 120 500 to 3000 mm
Changing the setting value for exciting frequency
Flow Direction
Checking the flow direction
Switch
Changing the flow direction
Password Setting
Checking the password
Changing the password
Indicates the value in percent of the setting range
Normal Indicating Unit
Checking the normal indicating unit
Currently set main indicating unit % in this example
Changing the flow direction for total flow
Custom Unit
Coefficient of custom unit
Unit string of custom unit
Checking the coefficient of custom unit
Changing the coefficient of custom unit
Proceed as follows to check the coefficient of custom unit
Checking the unit string of custom unit
Changing the unit string of custom unit
Proceed as follows to check the unit string of custom unit
Span Value Range
Range type
Span value
Unit of span
Span value range setting flow
Setting sequence of span value range is shown below
Hysteresis
Range 3 span value
Checking each constant
Range 2 span value
Range 4 span value
Changing the range type
Changing the span value
Changing the hysteresis
Damping Constant
Checking the damping constant
Proceed as follows to check the damping constant
Changing the damping constant
Low Cutoff value
Checking the low cutoff value
Proceed as follows to check the low cutoff value
Changing the low cutoff value
Current Output Setting Used When an Alarm Occurs
Current output setting function used when an alarm occurs
Checking the current output value used when an alarm occurs
Changing the current output value used when an alarm occurs
Display low cut On/Off
Checking whether the display low cut is On or Off
Changing the display low cut On/Off setting
Output low limit value
Output Low Limit Setting
Checking the output low limit value setting
Proceed as follows to check the output low limit value
Changing the output low limit value setting
Digital output state only when alarm output is set
Digital I/O Function
Digital output functions corresponding to each terminal
Digital Input Function
Digital Input control signal level
Checking each setting for digital I/O
Digital Output alarm state
Digital Output
Changing each setting for digital I/O
Digital Output alarm status
Pulse width mode
Count Rate Pulse Rate and Pulse Width
Count rate
Pulse width
Over Spec
Checking the count rate and pulse width
Changing the count rate
Pulse width
Changing the pulse width mode setting
Changing the pulse width
Preset Counter
Preset count value
Preset output function
Checking the preset counter setting
Changing the preset count value
Changing the preset output function
100
High/low limit value
Flow Rate High/Low limit Alarm
High/low limit alarm On/Off
101
Low-low limit alarm On/Off
Checking the high/low limit alarm setting
High-high limit alarm
102
Changing the high/low limit alarm On/Off
103
Changing the high/low limit value
104
Checking the fluid empty alarm On/Off setting
Fluid Empty Alarm
Setting the fluid empty alarm
105
Changing the fluid empty alarm On/Off setting
106
Self-diagnosis function On/Off setting
Self-Diagnosis Function
107
Alarm output factor setting
Checking the self-diagnosis alarm setting
108
Changing the self-diagnosis function setting
109
Rate-of-change limit value
Checking the rate-of-change limit setting
Rate-of-Change Limit Value and Control Time
Rate-of-change control time
Changing the rate-of-change limit setting
111
Initial Settings When Shipped from the Factory
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113
Fixed Value Output Loop Check
Fixed value output On/Off setting
Fixed output mode can be selected by the setting as follows
Fixed current output value
Checking the fixed output function setting
Fixed pulse output value
115
Changing the fixed output function
116
Changing the fixed output constant
117
Zero Adjustment
Still Water Zero Adjustment
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119
Checking the zero offset adjustment value
Zero Offset Adjustment
How to calculate the zero offset value
120
Changing the zero offset adjustment value
121
Mag-Prover Calibration
Calibration Items
122
Checking the zero point
Converter Check / Calibration
1 0% Flow Rate Calibration Zero Calibration
Calibrating the zero point
124
2 50% Flow Rate Calibration
Checking the 50% flow rate value
50% flow rate value can be checked only
Calibrating the span value
3 100% Flow Rate Calibration Span Calibration
Checking the span value
125
Checking the Exciting Current Value
126
Monitor value of the exciting current can be checked
Function Description
127
Digital Input option
Digital I/O Specifications
Digital Outputs
128
Totalizer and Pulse Output
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Totalizer operation using digital input signals
131
Multi-Range Functions
132
Output performance when multiple ranges are used
Single direction internal automatic switching, 4 ranges
133
Output when switched from Reverse to
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Forward direction Direction
Single direction external signal switching, 2 ranges
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Single direction external signal switching, 4 ranges
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Flow Rate High/Low Limit Alarm Output
Flow rate high/low limit alarm output performance
Case of Single range
Case of Multi-range setting
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Alarm output state described in 8.2.14 Digital I/O Function
Fluid Empty Alarm Output
Output when an alarm is generated
141
Preset Counter Output Function
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Preset counter output performance
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Output example of one-shot pulse output
Remote Still Water Zero Adjustment
146
Remote Selection of Fixed Value Output
147
Converter Error Alarm Output
148
Communications Function
Connection with the HHT terminal
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Connection to the Converter Main Unit
Procedure for Communication with HHT
151
Use a shielded cable CVV-S, etc for wiring
Wiring cable
Interference on 4 to 20mA current signal
Current output load
Setting error
Diagnosis and Alarms
Diagnostic messages
High/low limit alarm
Process error alarm
Fluid empty alarm
154
Self-diagnosis error
155
Output When an Error or Alarm Occurs
156
Maintenance and Inspection
Maintenance
Operative life
Check / Replacement of power supply unit
Product disposal
158
Troubleshooting
Flow rate is not indicated
159
Flow rate indication is not correct
160
Flow rate indication is not stable
161
When switch operation is unable
162
Principle of Operation
163
= K × B × D × Q
Detector Combined Specifications
Specifications
Specifications
164
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Converter specifications
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Model Number Table
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Electromagnetic Flowmeter Converter LF232 Type
Outline Drawing
171
Gross mass approx lb8kg including a mounting plate
172
FCF50017
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