Toshiba L5232 manuals

174 pages2.21 Mb

6F8A0917
Electromagnetic Flowmeter Converter
LF232 Type INSTRUCTION MANUAL
2NOTICE
- 2
3SAFETY PRECAUTIONS
- Color explanation
- 3
4SAFETY PRECAUTIONS (continued)
- Safety Precautions for Installation and Wiring
- 4
5SAFETY PRECAUTIONS (continued)
- Safety Precautions for Maintenance and Inspection
- Usage limitation
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6Handling Precautions
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7Handling Precautions (continued)
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8Table of Contents
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  - 8
111. Product Inspection and Storage
- 1.1 Product Inspection
- 1.2 Storage
  - 11
122. Overview
- 12
133. Names of Parts
- Appearance
- 15
164. Installation
- Cautionary notes on installation
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- 174.1 Cautionary Notes on Selecting the Installation Location
- 184.2 How to Install the Converter
  - 19
205. Wiring
- Cautionary notes on wiring
- 215.1 Installation Cables
- 225.2 External Connections
  - - 5.1 External Wiring Connection Diagram
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- 235.3 Cautionary Notes on Wiring
  - 5.3.2 Cautionary Notes on Wiring between Instruments and Converter
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    - 23
- 245.4 Wiring Method
  - 5.4.1 Terminal Treatment of Cables
  - 26 6F8A0917
    - 25
    - Power cable, current output cable and digital I/O cables
  - 5.4.2 Cable Connection
  - 28 6F8A0917
  - 5.4.3 Grounding
    - 29
      - Figure 5.9 (b) Wiring between Detector and Converter (when grounding for detector is
    - difficult)
      - Figure 5.10 Detector Grounding Method
- 305.5 Digital I/O Connections
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    - 30
- 315.6 Cautionary Notes on Replacing Converter
  - Wiring
  - 32 6F8A0917
  - 5.6.2 Combination with an Existing Detector (for Large Meter Size)
    - - Figure 5.12 How to Connect an Adjusting Capacitor
  - 33 6F8A0917
    - 34
      - Wirering
    - Please be careful.
      - Table 5.4 Cable connection mouth specification comparison list (Partially filled pipes type)
356. Operation
377. Display and Controls
- 387.1 Names and Functions of Display and Controls
  - 40Functions of each switch
  - (Measurement mode)
    - Enabled to change the setting value
  - (Setting mode) (
  - (Menu display) (Setting mode)
  - (Data being changed) (Data has been changed)
  - (Count stops) (Count starts)
  - )
  - (Cursor at the position of 1) (Cursor at the position of 2)
  - (Counter in operaiton) (Resets the counter)
  - 40
- 417.2 Display Format
  - Measured value display format
  - 43 42
  - Notes on total flow value display
    - (5) Percent display
    - (6) Custom unit display
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- 447.3 Basic Operations
  - 47 6F8A0917
    - 46
  - 7.3.2 Setting Mode Operation
    - Note1 Note1
    - 48
    - Checking or changing the setting values
49( )
- 50 6F8A0917
  - 49
- 7.3.3 Password Input
  - 51 50
  - Example of password input (mode selection: SET and password: 123)
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- 7.3.4 Totalizer Operation
  - 53 52
  - Example of totalizer operation
- 54 6F8A0917
  - 53
- 7.3.5 Maintenance Menu
- 557.4 Setting Menu List
  - - Return to measurement mode
- 568. Parameter Settings / Adjustment
  - 8.1 Parameter Setting Items
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      - 56
  - 578.2 Parameters Check / Change
    - 8.2.1 Exciting Current Value
    - Checking the exciting current value
      - Proceed as follows to check or change the exciting current value.
    - 58 57
    - Changing the exciting current value
    - 59 6F8A0917
    - 8.2.2 Meter Size
      - 60 59
      - Changing the meter size of the detector
    - 61 6F8A0917
      - 60
    - 8.2.3 Exciting Frequency
      - Checking the exciting frequency
      - 62 61
      - Changing the setting value for exciting frequency.
        
        The following is an example to change the exciting frequency from 24Hz to 12Hz.
        Note 1: The exciting frequency is displayed cyclically as shown below.
        
        * Partially filled pipes type LF232*F : Useable only 6Hz
    - 63 6F8A0917
      - 62
    - 8.2.4 Flow Direction
      - Checking the flow direction.
      - 64 63
      - Changing the flow direction.
    - 65 6F8A0917
      - 64
    - 8.2.5 Password Setting
      - 66 65
      - Changing the password
    - 67 6F8A0917
      - 66
    - 8.2.6 Normal Indicating Unit
      - 68 67
      - Checking the normal indicating unit
      - 69 68
      - Changing the flow direction for total flow
        Note 1: The flow direction for total flow is displayed cyclically as follows:
    - 70 6F8A0917
      - 69
    - 8.2.7 Custom Unit
      - 71 70
      - Checking the coefficient of custom unit
        Proceed as follows to check the coefficient of custom unit.
      - Changing the coefficient of custom unit
        The following is an example to show how to change the coefficient from 1.00 to 1.25.
      - 72 71
      - Checking the unit string of custom unit
        Proceed as follows to check the unit string of custom unit.
      - Changing the unit string of custom unit
        The following is an example to show how to change the unit string from AAA/BBB to XXX/ZZZ.
        Note 1: The selectable characters are displayed cyclically as shown below:
    - 73 6F8A0917
      - 72
    - 8.2.8 Span Value
      - 74 73
      - Span value
      - 77 76
      - Changing the range type
      - 78 77
      - Changing the span value
      - 79 78
      - Changing the hysteresis
    - 80 6F8A0917
    - 8.2.9 Damping Constant
      - 81 80
      - Changing the damping constant
        The following is an example to show how to change the damping constant from 0.5 sec to 10 sec.
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    - 8.2.10 Low Cutoff value
      - 83 82
      - Changing the low cutoff value
        The following is an example to show how to change the low cutoff value from 1.0% to 3.0%.
    - 84 6F8A0917
      - 83
    - 8.2.11 Current Output Setting Used When an Alarm Occurs
      - Checking the current output value used when an alarm occurs
      - 85 84
      - Changing the current output value used when an alarm occurs
    - 86 6F8A0917
      - 85
    - 8.2.12 Display low cut On/Off
      - Checking whether the display low cut is On or Off
      - 87 86
      - Changing the display low cut On/Off setting.
    - 88 6F8A0917
      - 87
    - 8.2.13 Output Low Limit Setting
      - Checking the output low limit value setting.
      - 89 88
      - Changing the output low limit value setting.
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      - 89
    - 8.2.14 Digital I/O Function
      - Digital output state (only when alarm output is set)
    - 91 6F8A0917
      - 90
      - Digital Input Function
      - Level setting for digital input control signal (for totalizer control only)
      - 92 91
      - Checking each setting for digital I/O
      - 93 92
      - Changing each setting for digital I/O
    - 94 6F8A0917
      - 93
    - 8.2.15 Count Rate (Pulse Rate) and Pulse Width
      - 95 94
      - Pulse width
      - 96 95
      - Checking the count rate and pulse width
      - Changing the count rate
      - 97 96
      - Changing the pulse width mode setting
        The following is an example to change the pulse width mode setting from 2:MANUAL to 1:AUTO.
      - 98 97
      - Changing the pulse width
        The following is an example to change the pulse width from 100ms to 250ms.
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      - 98
    - 8.2.16 Preset Counter
      - 100 99
      - Checking the preset counter setting
      - Changing the preset count value
      - 101 100
      - Changing the preset output function
    - 102 6F8A0917
      - 101
    - 8.2.17 Flow Rate High/Low limit Alarm
      - High/low limit value
      - 103 102
      - Checking the high/low limit alarm setting
      - 104 103
      - Changing the high/low limit alarm On/Off
      - 105 104
      - Changing the high/low limit value
    - 106 6F8A0917
      - 105
    - 8.2.18 Fluid Empty Alarm
      - Setting the fluid empty alarm
      - Checking the fluid empty alarm On/Off setting
      - 107 106
      - Changing the fluid empty alarm On/Off setting.
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    - 8.2.19 Self-Diagnosis Function
      - 109 108
      - Alarm output factor setting
      - Checking the self-diagnosis alarm setting
      - 110 109
      - Changing the self-diagnosis function setting
    - 111 6F8A0917
      - 110
    - 8.2.20 Rate-of-Change Limit Value and Control Time
      - 112 111
      - Changing the rate-of-change limit setting
  - 1138.3 Initial Settings When Shipped from the Factory
    - Initial settings used when shipped from the factory unless otherwise specified are shown below.
    - 114
  - 1158.4 Fixed Value Output (Loop Check)
    - 117 116
    - Changing the fixed output function
    - 118 117
    - Changing the fixed output constant
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  - 1198.5 Zero Adjustment
    - 8.5.1 Still Water Zero Adjustment
      - Note2 Note2
    - 121 6F8A0917
      - 120
    - 8.5.2 Zero Offset Adjustment
      - 122 121
      - Changing the zero offset adjustment value
- 1239. Mag-Prover Calibration
  - 9.1 Calibration Items
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      - 123
  - 1249.2 Converter Check / Calibration
    - Checking the zero point
    - Calibrating the zero point
    - 125 6F8A0917
    - 9.2.2 50% Flow Rate Calibration
    - 126 6F8A0917
      - 125
    - 9.2.3 100% Flow Rate Calibration (Span Calibration)
      - Calibrating the span value
    - 127 6F8A0917
    - 9.2.4 Checking the Exciting Current Value
- 12810. Function Description
  - 128
  - 12910.1 Digital I/O Specifications
  - 13010.2 Totalizer and Pulse Output
    - 132 131
    - Totalizer operation using digital input signals
  - 13310.3 Multi-Range Functions
    - 134 133
    - Output performance when multiple ranges are used
      - 135(2) Forward and reverse directions (internal automatic switching), 2 ranges
      - Output when switched from Reverse to Forward direction
      - Output when switched from Forward to Reverse direction
      - 137(4) Forward and reverse directions (external signal switching), 2 ranges
      - Works even if the range output is not used.
      - Output when switched from Reverse to Forward direction
      - Output when switched from Forward to Reverse direction
    - 138
  - 13910.4 Flow Rate High/Low Limit Alarm Output
    - Flow rate high/low limit alarm output performance
    - 141
  - 14210.5 Fluid Empty Alarm Output
  - 14310.6 Preset Counter Output Function
    - 144 143
    - Preset counter output performance
  - 14710.7 Remote Still Water Zero Adjustment
  - 14810.8 Remote Selection of Fixed Value Output
  - 14910.9 Converter Error Alarm Output
- 15011. Communications Function
  - 11.1 Connection with the HHT terminal
  - 15211.2 Procedure for Communication with HHT
  - 15311.3 Cautionary Notes on Communications
    - 153
- 15412. Diagnosis and Alarms
  - 12.1 Diagnostic messages
    - High/low limit alarm
    - 155 154
    - Process error alarm
    - Fluid empty alarm
    - 156 155
    - Self-diagnosis error
  - 15712.2 Output When an Error or Alarm Occurs
    - 157
- 15813. Maintenance and Inspection
  - 13.1 Maintenance
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  - 16013.2 Troubleshooting
    - 13.2.1 Flow rate is not indicated
    - 161 6F8A0917
    - 13.2.2 Flow rate indication is not correct
    - 162 6F8A0917
    - 13.2.3 Flow rate indication is not stable
    - 163 6F8A0917
    - 13.2.4 When switch operation is unable
- 16414. Principle of Operation
  - 164
- 16515. Specifications
  - 15.1 Specifications
    - 167 166
  - 17015.2 Model Number Table
    - LF232*A, LF232*B Converter model number table
    - 171LF232*F (for partially filled pipes detectors) Converter model number table
- 17216. Outline Drawing