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Toshiba L5232 manual 139, Case of Multi-range setting

Models: L5232

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6F8A0917

•In the case of Multi-range setting

Output (%)

	Range 2	Range 1	Range 2
	High limit set-
	pout value
		Hysteresis
		2.5%
	Hysteresis
	2.5%
	Low limit set-
	point value
			Hysteresis
			2.5%
	Low limit alarm	High limit alarm	Low limit alarm
	generated	generated	Low limit alarm
	generated	generated	generated
			generated
			Time

*High/low limit alarm set-point value is a value indicated in percent of the Range 1.

*The output state when an alarm occurs becomes the state set for alarm output of digital output. When the power supply of the converter is turned off, the contact is open.

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Image 140

Toshiba L5232 manual 139, Case of Multi-range setting

Contents

Electromagnetic Flowmeter Converter LF232 Type 6F8A09176F8A0917 Nd Edition August First Edition JuneColor explanation Explanation of signal wordsSafety symbols Safety Precautions Safety Precautions for Installation and WiringUsage limitation Safety Precautions for Maintenance and InspectionWarranty and Limitation of Liability Handling Precautions Do not store or install the flowmeterHandling Precautions Table of Contents 6F8A0917 6F8A0917 Storage Product Inspection and StorageProduct Inspection Features OverviewNames of Parts AppearanceInternal structure with converter cover opened Terminal block construction Installation Hands6F8A0917 How to Install the Converter Unit inch mmExample of Pipe Mounting Wiring Urn off mains power before working on pipesFrom mains power Do not conduct wiring work with bare handsInstallation Cables Installation CablesExternal Connections 6F8A0917 Excitation cable Wiring MethodTerminal Treatment of Cables Connecting the input signal cable Terminal Treatment of Flow Rate Signal CablePower cable, current output cable and digital I/O cables Cable ConnectionConnection to Terminal Block 9a Wiring between Detector and Converter GroundingDifficult 10 Detector Grounding MethodDigital I/O Connections 11 Connection Example of Electromagnetic CounterReplacing the LF230 Converter InstallationWiring 12 How to Connect an Adjusting Capacitor Combination with an Existing Detector for Large Meter SizeReplacement of partially filled pipes type 6F8A0917 Operation 6F8A0917 Display and Controls Display and ControlsLCD display Operation switch infrared switchNames and Functions of Display and Controls Instructions Functions of each switch Measurement modeMenu display Setting mode Counter in operaiton Resets the counterFlow velocity value and instantaneous flow rate display Display FormatMeasured value display format Total difference flow value display Total count displayTotal flow value display Percent display Custom unit displayFixed output display Mode SwitchingError message / other message display ENTER111 6F8A0917 Setting Mode Operation Moving to the menu displayTo return from the menu display to the measurement mode Checking or changing the setting values Password Input Mode switching flow when password is setExample of password input mode selection SET and password Totalizer Operation Example of totalizer operation Maintenance Menu Example to move to the maintenance menuSetting Menu List Return to measurement modeParameter Settings / Adjustment Parameter Setting ItemsChecking the exciting current value Parameters Check / ChangeExciting Current Value Changing the exciting current value Meter Size Checking the meter size of the detectorChanging the meter size of the detector Exciting Frequency Checking the exciting frequency10,1/6,1/4 2.5 to 6 mm 26 to 120 500 to 3000 mmChanging the setting value for exciting frequency Flow Direction Checking the flow directionSwitch Changing the flow directionPassword Setting Checking the passwordChanging the password Checking the normal indicating unit Indicates the value in percent of the setting rangeNormal Indicating Unit Currently set main indicating unit % in this example Changing the flow direction for total flow Unit string of custom unit Custom UnitCoefficient of custom unit Proceed as follows to check the coefficient of custom unit Checking the coefficient of custom unitChanging the coefficient of custom unit Proceed as follows to check the unit string of custom unit Checking the unit string of custom unitChanging the unit string of custom unit Span Value Range Range typeSpan value Unit of spanHysteresis Span value range setting flowSetting sequence of span value range is shown below Checking each constant Range 2 span valueRange 3 span value Range 4 span valueChanging the range type Changing the span value Changing the hysteresis Proceed as follows to check the damping constant Damping ConstantChecking the damping constant Changing the damping constant Proceed as follows to check the low cutoff value Low Cutoff valueChecking the low cutoff value Changing the low cutoff value Checking the current output value used when an alarm occurs Current Output Setting Used When an Alarm OccursCurrent output setting function 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 OffChanging the display low cut On/Off setting Output Low Limit Setting Checking the output low limit value settingOutput low limit value Proceed as follows to check the output low limit valueChanging the output low limit value setting Digital output functions corresponding to each terminal Digital output state only when alarm output is setDigital I/O Function Digital Input Function Checking each setting for digital I/O Digital Output alarm stateDigital Input control signal level Digital OutputChanging each setting for digital I/O Digital Output alarm statusCount rate Pulse width modeCount Rate Pulse Rate and Pulse Width Pulse width Over SpecPulse width Checking the count rate and pulse widthChanging the count rate Changing the pulse width mode setting Changing the pulse width Preset output function Preset CounterPreset count value Checking the preset counter setting Changing the preset count valueChanging the preset output function 100Flow Rate High/Low limit Alarm High/low limit alarm On/OffHigh/low limit value 101Checking the high/low limit alarm setting High-high limit alarmLow-low limit alarm On/Off 102Changing the high/low limit alarm On/Off 103Changing the high/low limit value 104Fluid Empty Alarm Setting the fluid empty alarmChecking the fluid empty alarm On/Off setting 105Changing the fluid empty alarm On/Off setting 106107 Self-diagnosis function On/Off settingSelf-Diagnosis Function 108 Alarm output factor settingChecking the self-diagnosis alarm setting Changing the self-diagnosis function setting 109Checking the rate-of-change limit setting Rate-of-Change Limit Value and Control TimeRate-of-change limit value Rate-of-change control timeChanging the rate-of-change limit setting 111Initial Settings When Shipped from the Factory 112113 Fixed value output On/Off setting Fixed output mode can be selected by the setting as followsFixed Value Output Loop Check Fixed current output value115 Checking the fixed output function settingFixed pulse output value Changing the fixed output function 116Changing the fixed output constant 117118 Zero AdjustmentStill Water Zero Adjustment 119 Zero Offset Adjustment How to calculate the zero offset valueChecking the zero offset adjustment value 120Changing the zero offset adjustment value 121122 Mag-Prover CalibrationCalibration Items Converter Check / Calibration 1 0% Flow Rate Calibration Zero CalibrationChecking the zero point Calibrating the zero point2 50% Flow Rate Calibration Checking the 50% flow rate value124 50% flow rate value can be checked only3 100% Flow Rate Calibration Span Calibration Checking the span valueCalibrating the span value 125Monitor value of the exciting current can be checked Checking the Exciting Current Value126 Function Description 127Digital I/O Specifications Digital OutputsDigital Input option 128Totalizer and Pulse Output 129130 Totalizer operation using digital input signals 131Multi-Range Functions 132133 Output performance when multiple ranges are usedSingle direction internal automatic switching, 4 ranges Forward direction Direction Output when switched from Reverse to134 Single direction external signal switching, 2 ranges 135136 Single direction external signal switching, 4 ranges 137Flow Rate High/Low Limit Alarm Output Flow rate high/low limit alarm output performance138 Case of Single rangeCase of Multi-range setting 139140 Fluid Empty Alarm Output Output when an alarm is generatedAlarm output state described in 8.2.14 Digital I/O Function 141Preset Counter Output Function 142Preset counter output performance 143144 145 Output example of one-shot pulse outputRemote Still Water Zero Adjustment 146Remote Selection of Fixed Value Output 147Converter Error Alarm Output 148149 Communications FunctionConnection with the HHT terminal 150 Connection to the Converter Main UnitProcedure for Communication with HHT 151Wiring cable Interference on 4 to 20mA current signalUse a shielded cable CVV-S, etc for wiring Current output loadDiagnosis and Alarms Diagnostic messagesSetting error High/low limit alarm154 Process error alarmFluid empty alarm Self-diagnosis error 155Output When an Error or Alarm Occurs 156Maintenance and Inspection MaintenanceCheck / Replacement of power supply unit Product disposalOperative life 158159 TroubleshootingFlow rate is not indicated Flow rate indication is not correct 160Flow rate indication is not stable 161When switch operation is unable 162= K × B × D × Q Principle of Operation163 Specifications SpecificationsDetector Combined Specifications 164165 Converter specifications 166167 168 Model Number Table 169170 Outline Drawing 171Electromagnetic Flowmeter Converter LF232 Type Gross mass approx lb8kg including a mounting plate172 FCF50017