M-system 47 Series Operating Manual
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M-system 47 Series Operating Manual

Frequency input digital panel meter (4 1/2 digit, led display type)
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Digital Panel Meters 47 Series
FREQUENCY INPUT DIGITAL PANEL METER
(4 1/2 digit, LED display type)
Model: 47LPA
OPERATING MANUAL
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Tel: +81-6-6659-8201
Fax: +81-6-6659-8510
http://www.m-system.co.jp/
E-mail: info@m-system.co.jp
47LPA OPERATING MANUAL EM-9515-B Rev.8
1

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Summary of Contents for M-system 47 Series

  • Page 1 Digital Panel Meters 47 Series FREQUENCY INPUT DIGITAL PANEL METER (4 1/2 digit, LED display type) Model: 47LPA OPERATING MANUAL 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Tel: +81-6-6659-8201 Fax: +81-6-6659-8510 http://www.m-system.co.jp/ E-mail: info@m-system.co.jp 47LPA OPERATING MANUAL EM-9515-B Rev.8...

  • Page 2: Table Of Contents

    CONTE NTS 1. INTRODUCTION ..................6 1.1 BEFORE USE........................6 1.2 SAFETY PRECAUTIONS (that must be observed) ...............7 1.3 POINTS OF CAUTION ......................9 1.4 COMPONENT IDENTIFICATION ..................11 1.5 INSTALLATION........................15 1.5.1 EXTERNAL DIMENSIONS ..................15 1.5.2 PANEL CUTOUT DIMENSIONS ................15 1.5.3 INSTALLATION .......................
  • Page 3 4. SETTING SCALING VALUES ..............36 4.1 STEP 1. INPUT SCALING VALUE A ..................38 4.1.1 INPUT SCALING LIST ....................38 4.1.2 OPERATING PROCEDURE ...................39 4.2 STEP 2. DISPLAY SCALING VALUE A ................42 4.2.1 DISPLAY SCALING LIST ..................42 4.2.2 OPERATING PROCEDURE ...................43 4.3 STEP 3. INPUT SCALING VALUE B .................46 4.3.1 OPERATING PROCEDURE ...................46 4.4 STEP 4.
  • Page 4 9. DIVIDING PULSE FREQUENCY ............85 9.1 OPERATING PROCEDURE ....................85 10. ELIMINATING FLUCTUATION AROUND “0” ........87 10.1 LOW-END CUTOUT ......................88 10.1.1 OPERATING PROCEDURE ..................88 10.2 LOW-END CUTOUT VALUE .....................90 10.2.1 OPERATING PROCEDURE .................90 11. ADJUSTING BRIGHTNESS OF DISPLAY .........92 11.1 OPERATING PROCEDURE ....................93 12.
  • Page 5 18. TROUBLESHOOTING ..............116 18.1 ERROR MESSAGES ...................... 116 18.2 INITIALIZING SETTING VALUES ................... 116 18.2.1 OPERATING PROCEDURE ................116 18.3 CONFIRMING FIRMWARE VERSION ................118 18.3.1 OPERATING PROCEDURE ................118 19. APPENDICES ................... 119 19.1 SPECIFICATIONS ......................119 19.2 MODEL NUMBERING ....................122 19.3 PARAMETER LIST ......................

  • Page 6: Introduction

    1. INTRODUCTION 1.1 BEFORE USE..Thank you for choosing M-System. Before use, please check contents of the package you received as outlined below. ■ PACKAGE INCLUDES Digital panel meter Accessories Mounting bracket (2) Terminal cover (1) Watertight packing (1) (tethered to the meter with a strap)

  • Page 7: Safety Precautions (That Must Be Observed)

    1.2 SAFETY PRECAUTIONS (that must be observed) The following signs are used in this manual to provide precautions required to ensure safe usage of the unit. Please under- stand these signs and graphic symbols, read the manual carefully and observe the description. The following signs show seriousness of safety hazard or damage occurred when used wrongly with the signs ignored.
  • Page 8 Tighten the terminal blocks and terminal block screws with a specified torque. • Excessive fastening may result in damage of the screws and loose screws may occasionally result in ignition. Do not throw the unit into the fire. • Doing so may result in rupture of the electronic component. Never discompose or remodel the unit.

  • Page 9: Points Of Caution

    CE requirements. Failure to observe these requirements may invalidate the CE conformance. • M-System’s products conforming to the EU Directives conforms to the standards required based on the premise that they are built into various equipment, apparatus or control panels to use. Because the EMC performance depends on the configuration, wiring or arrangement of the equipment, apparatus and control panels you build, it is necessary for you to make such equipment, apparatus or control panels to conform finally to the CE Marking by yourselves.
  • Page 10 To ensure dustproof and waterproof for front panel follow conditions below. • Observe the designated panel cutout size (W92 × H45 mm) specified by M-System. • The watertight packing included in the product package must be placed between the body and panel when installing on the panel.

  • Page 11: Component Identification

    1.4 COMPONENT IDENTIFICATION ■ FRONT VIEW Display Engineering unit sticker label position BUTTON FUNCTION Max/Min Used to switch the main display to show the present value, MAX value or MIN value, and to reset the MAX and MIN values. Also used to cancel a set item. ↓...
  • Page 12 ■ DISPLAY COMPONENT FUNCTION Main display Indicates present, MAX and MIN values, parameters, setting values and error codes. INDICATOR MODE FUNCTION INDICATOR MODE FUNCTION Alarm Setting Indicates parameters in Alarm Function Setting Indicates parameters in each Setting Mode. mode. (Refer to 8. SETTING ALARM ‘Zro’...
  • Page 13 • The tag No. label sticker position is our recommended position. • When a tag No. is specified, the unit(s) will be shipped with the tag No. sticker label put on the above position. Max. 17 alphanumeric characters can be specified. Please consult M-System’s Hotline. 47LPA OPERATING MANUAL EM-9515-B Rev.8...
  • Page 14 ■ REAR VIEW • With Terminal Cover Connection diagram Terminal cover Strap Model No. NOTE • The connection diagram depends on the specifications. • The MODEL shows the same as that in the specification label on the top of the unit. •...

  • Page 15: Installation

    1.5 INSTALLATION 1.5.1 EXTERNAL DIMENSIONS unit: mm (inch) TOP VIEW 95 (3.74) FRONT VIEW SIDE VIEW 103 (4.06) 98.5 (3.88) 96 (3.78) 12.5 (.49) 86 (3.39) 2 (.08) REAR VIEW 10–M3 SCREW 20–M3 SCREW • Alarm Output • No Alarm Output TERMINAL TERMINAL 6.6 (.26)

  • Page 16: Installation

    1.5.3 INSTALLATION (1) Remove the terminal cover. (a) Insert the minus tip of a screwdriver into a hole at the lower left corner of the cover. (b) Pull the handle upward. (c) Then insert the screwdriver into a hole at the lower right corner. (d) Pull the handle upward to separate the terminal cover.
  • Page 17 (4) Make sure that the watertight packing is placed behind the front cover regardless of necessity of water-tightness. Watertight packing (5) Insert the unit into the panel cutout. Panel Watertight packing (6) Push the mounting brackets into the grooves on both sides of the rear module, until they hit the panel’s rear side. Panel Bracket Fixing groove...

  • Page 18: Wiring Instructions

    • Be sure to confirm the name and polarity of each terminal before wiring to it. • Do not connect anything to unused terminals. • M-System offers a series of lightning surge protectors for protection against induced lightning surges. Please contact M- System to choose appropriate models.

  • Page 19: Wiring Input Signal

    1.6.4 WIRING INPUT SIGNAL Connect input signal wires. Be careful that the input terminal assignment depends on the sensor to connect. Sensor excitation 12 V DC ±10% Sensor excitation current 30 mA Current limit protection Approx. 60 mA IMPORTANT • The connection depends on the sensor output specifications. Wrong connection may result in incorrect display. •...
  • Page 20 ■ OPEN COLLECTOR An open collector output, other no-voltage switches (including a relay, a photo MOS relay, and an open drain), a totem pole output, or a complementary output circuit can be connected. Connecting conditions are as shown in the following table. Detecting voltage Approx.
  • Page 21 ■ VOLTAGE PULSE A voltage output circuit, a totem pole output or a complementary output circuit can be connected. Connecting conditions are as shown in the following table. Voltage range 0 – 5 through 26.4 V ±5 to ±26.4 V (equal amplitude at both poles) Waveform Square (detecting sinking pulse edges) Input impedance...
  • Page 22 ■ CONTROL INPUT Voltage input can be connected. When it is difficult to prepare the power supply, short-circuit across the terminals. Connecting conditions are as shown in the following tables. • Voltage input Voltage range 0 – 5 through 26.4 V ±5 to ±26.4 V (equal amplitude at both poles) Detecting levels Low level...

  • Page 23: Wiring Dc Output

    1.6.5 WIRING DC OUTPUT Voltage or current is output depending on the specified DC output code. IMPORTANT • Connect load resistance within the specifications. • Do not connect anything with no-DC-output type. • Take measures to reduce noise as much as possible, e.g. by using shielded twisted pair wires for the output signal. Ground the output shield to the most stable earth to prevent noise troubles.

  • Page 24: Wiring Power

    NOTE Example of contact protection circuit with inductive load DC powered AC powered 47LPA 47LPA Power Power Varistor Diode Varistor circuit circuit * It is effective to connect a varistor across a load with the supply voltage 24 to 28 V, and across a contact with 100 to 200 V. 1.6.7 WIRING POWER Connect power according to the power input code.

  • Page 25: Installing/Separating Terminal Block

    1.6.8 INSTALLING/SEPARATING TERMINAL BLOCK The terminal block is separable in two pieces. Tighten (loosen) uniformly two screws on both sides of the terminal block to install (separate). Torque: 0.6 N∙m IMPORTANT Be sure to turn off the power supply, input signal and power supply to the output relays before installing/separating the terminal block.
  • Page 26 ■ REMOVING TERMINAL COVER (a) Insert the minus tip of a screwdriver into a hole at the lower left corner of the cover. (b) Pull the handle upward. (c) Then insert the screwdriver into a hole at the lower right corner. (d) Pull the handle upward to separate the terminal cover.

  • Page 27: Basic Setting And Operation

    2. BASIC SETTING AND OPERATION 2.1 BASIC SETTING This section describes flow and procedure of the basic setting. The following shows the flow and procedure to set the input to 0 – 1.2 kHz and the display to 0 – 2000 rpm as an example. 2.1.1 BASIC SETTING FLOW The basic setting is as shown in the following flowchart.

  • Page 28: Basic Setting Procedure

    2.1.3 BASIC SETTING PROCEDURE The following shows the procedure to set the input to 0 – 1.2 kHz and the display to 0 – 2000 rpm as an example. Set val- ues meeting signals of equipment to use. Refer to 3. SETTING INPUT TYPE for details of setting. Turn off the input signal while setting the input type.

  • Page 29: Basic Setting Operation And Instructions

    2.2 BASIC SETTING OPERATION AND INSTRUCTIONS This section describes basic operation and instructions when setting parameters. 2.2.1 BASIC SETTING OPERATION Parameters can be grouped into three setting types, “numerical value setting” , “setting value selection” and “decimal point position selection” . Basic operation of each type is as shown below. ■...
  • Page 30 ■ SETTING VALUE SELECTION Press Shift button to shift the display into the setting standby mode. • The current set value starts blinking. Press Up button to select your desired setting value. Press Alarm/↓ or Scale/↑ button to apply the new setting. •...

  • Page 31: Instructions On Basic Operation

    NOTE ■ MOVING THE DECIMAL POINT Pressing Up button moves the decimal point one place to the left. 4 decimal places (10 3 decimal places (10 2 decimal places (10 1 decimal place (10 No decimal point ■ DECIMAL POINT POSITION “No decimal point”...

  • Page 32: Setting Input Type

    3. SETTING INPUT TYPE Set input type according to the signal range of an input device to connect. Choose an input type so that the signal range of the device is the same as the setting range of the input type or within the setting range.

  • Page 33: Input Type List

    ■ CONVERSION EXAMPLES OF FREQUENCY Examples using instantaneous flow rate and rotation speed are described here. To select an input type, convert the rate or speed into pulses per second (= frequency). To convert instantaneous flow rate into frequency e.g. 0 – 160 ml/min. flow rate, pulse unit 0.1 ml/P Frequency = max.

  • Page 34: Operating Procedure

    3.2 OPERATING PROCEDURE Procedures to change ‘F0.1M’ (measuring range 0 – 100 kHz) (default) to ‘F10K’ (measuring range 0 – 10 kHz) are de- scribed here. NOTE The left figure shows a display example (default input type). The display depends on the settings. Refer to 3.1 INPUT TYPE LIST for details.
  • Page 35 Press Up button to select the input type. Blinking • Select ‘F10K’ (measuring range 0 – 10 kHz). NOTE Refer to 3.1 INPUT TYPE LIST for selectable input types. Press Alarm/↓ or Scale/↑ button to apply the new setting. • And the next parameter setting is indicated. NOTE •...

  • Page 36: Setting Scaling Values

    4. SETTING SCALING VALUES ■ INPUT SCALING Input scaling means setting an input value within the setting range of the selected input type. The input scaling values include A and B. • Input scaling value A is minimum value (0%) of input signal. •...
  • Page 37 ■ RELATION BETWEEN INPUT SCALING AND DISPLAY SCALING The relation between input scaling and display scaling is as shown in the following figure. e.g. To display 0 – 1.2 kHz input as 0 – 2000 rpm ‘F10K’ 0.000 kHz Input type 10.000 kHz Input scaling value A Input scaling value B...

  • Page 38: Step 1. Input Scaling Value A

    4.1 STEP 1. INPUT SCALING VALUE A 4.1.1 INPUT SCALING LIST Input scaling default values and setting ranges are as shown in the following tables. The input scaling values are reset to the default or the previously set values per input type when the input type has been changed.

  • Page 39: Operating Procedure

    4.1.2 OPERATING PROCEDURE NOTE 2,3, The left figure shows a display example (default value of input type ‘F10K’). The display depends on the settings. Refer to 4.1.1 INPUT SCALING LIST for details. Confirm the wiring, and turn on the power. Immediately after power on (all indicators on) •...
  • Page 40 Press Shift button to shift the display into the setting standby mode. Blinking • The fifth digit starts blinking, to which you can apply changes. Press Shift and Up buttons to set to ‘0.000’. Blinking • Press Shift button to go to the next digit and Up button to change the blinking value.
  • Page 41 NOTE ■ INPUT SCALING SETTING • Do not set ‘input scaling value A ≥ input scaling value B’ . ■ IF THE FRONT BUTTONS ARE LEFT UNTOUCHED… • The indication turns on with applying the last changes after the specified time period (default: 15 sec.) while it is in the setting standby mode (indication blinking in Step 4 and 5).

  • Page 42: Step 2. Display Scaling Value A

    4.2 STEP 2. DISPLAY SCALING VALUE A 4.2.1 DISPLAY SCALING LIST Display scaling default values and setting ranges are as shown in the following tables. The display scaling values are reset to the default or the previously set values per input type when the input type has been changed.

  • Page 43: Operating Procedure

    4.2.2 OPERATING PROCEDURE NOTE 2,3, The left figure shows a display example (default value of input type ‘F10K’). The display depends on the settings. Refer to 4.2.1 DISPLAY SCALING LIST for details. Confirm the wiring, and turn on the power. Immediately after power on (all indicators on) •...
  • Page 44 Press Shift button to shift the display into the setting standby mode. Blinking • The fifth digit starts blinking, to which you can apply changes. Press Shift and Up buttons to set to ‘0.000’. Blinking • Press Shift button to go to the next digit and Up button to change the blinking value.
  • Page 45 NOTE ■ IF THE FRONT BUTTONS ARE LEFT UNTOUCHED… • The indication turns on with applying the last changes after the specified time period (default: 15 sec.) while it is in the setting standby mode (indication blinking in Step 4 and 5). •...

  • Page 46: Step 3. Input Scaling Value B

    4.3 STEP 3. INPUT SCALING VALUE B 4.3.1 OPERATING PROCEDURE NOTE 2,3, The left figure shows a display example (default value of input type ‘F10K’). The display depends on the settings. Refer to 4.1.1 INPUT SCALING LIST for details. Confirm the wiring, and turn on the power. Immediately after power on (all indicators on) •...
  • Page 47 Press Alarm/↓ or Scale/↑ button to go to the input scaling value B setting. • The input scaling value B is indicated. • ‘Spn’ indicator turns on. NOTE Skip to Step 7 if the default value is acceptable. Press Shift button to shift the display into the setting standby mode.
  • Page 48 ■ TO GO ON TO SET THE DISPLAY SCALING VALUE B, Skip to Step 3 in “4.4 STEP 4. DISPLAY SCALING VALUE B” . ■ TO QUIT, Hold down Alarm/↓ or Scale/↑ button for 1 second or more to return to Measuring Mode. NOTE ■...

  • Page 49: Step 4. Display Scaling Value B

    4.4 STEP 4. DISPLAY SCALING VALUE B 4.4.1 OPERATING PROCEDURE NOTE 2,3, The left figure shows a display example (default value of input type ‘F10K’). The display depends on the settings. Refer to 4.2.1 DISPLAY SCALING LIST for details. Confirm the wiring, and turn on the power. Immediately after power on (all indicators on) •...
  • Page 50 Press Alarm/↓ or Scale/↑ button to go to the display scaling value B setting. • The display scaling value B is indicated. • ‘Spn’ and ‘D/P’ indicators turn on. NOTE Skip to Step 7 if the default value is acceptable. Press Shift button to shift the display into the setting standby mode.
  • Page 51 ■ TO GO ON TO SET THE DECIMAL POINT POSITION, Skip to Step 3 in “4.5 STEP 5. DECIMAL POINT POSITION” . ■ TO QUIT, Hold down Alarm/↓ or Scale/↑ button for 1 second or more to return to Measuring Mode. NOTE ■...

  • Page 52: Step 5. Decimal Point Position

    4.5 STEP 5. DECIMAL POINT POSITION 4.5.1 DECIMAL POINT POSITION LIST Default values of decimal point position are as shown in the following tables. The decimal point position is reset to the default or the previously set position per input type when the input type has been changed.

  • Page 53: Operating Procedure

    4.5.2 OPERATING PROCEDURE NOTE 2,3, The left figure shows a display example (display scaling value B). The display depends on the settings. Refer to 4.5.1 DECIMAL POINT POSITION LIST for details. Confirm the wiring, and turn on the power. Immediately after power on (all indicators on) •...
  • Page 54 Press Alarm/↓ or Scale/↑ button to go to the decimal point position setting. • The decimal point position is indicated. • ‘D/P’ indicator turns on. NOTE Skip to Step 7 if the default value is acceptable. Press Shift button to shift the display into the setting standby mode.
  • Page 55 ■ TO GO ON TO SET THE ANALOG OUTPUT FUNCTION MODE, Skip to Step 2 in “7. SETTING ANALOG OUTPUT FUNCTION” . ■ TO QUIT, Hold down Alarm/↓ or Scale/↑ button for 1 second or more to return to Measuring Mode. NOTE ■...

  • Page 56: Operation

    5. OPERATION Make sure that 0 – 2000 rpm is correctly indicated according to the input 0 – 1.2 kHz provided. IMPORTANT Before operating, make sure that the wiring is correct, the input and the power supply are within the specification range. Apply 0 kHz input (0%) and make sure that 0 rpm is indicated.

  • Page 57: Parameter Configuration

    6. PARAMETER CONFIGURATION ■ MODE Parameters can be grouped in several modes. The 47LPA has modes as shown in the following table. MODE FUNCTION MEASUREMENT Measuring Normal measurement state where the unit takes in input and provides alarms. Measuring Present value, MAX and MIN values, alarm setpoints can be indicated in Measuring Mode.
  • Page 58 ■ MODE TRANSITION May be disabled depending on the model suffix codes. Indicated regardless of the model suffix codes. POWER ON Hold down Max/Min + Alarm/↓ Measuring Mode at once for a preset time duration Hold down Alarm/↓ or Scale/↑ Lockout Setting Mode for ≥...
  • Page 59 ■ SHIFTING THROUGH SETTING PARAMETERS (1) Parameter shifting in Scaling Setting Mode In Scaling Setting Mode, pressing Alarm/↓ button shifts one parameter to the next (clockwise in the following figure). Pressing Scale/↑ button shifts one to the previous (counterclockwise). Hold down Scale/↑ for ≥...
  • Page 60 (2) Parameter shifting in Alarm Setting Mode In Alarm Setting Mode, pressing Alarm/↓ button shifts one parameter to the next (clockwise in the following figure). Press- ing Scale/↑ button shifts one to the previous (counterclockwise). Hold down Alarm/↓ for ≥ 3 sec. Measuring Mode Alarm Setting Mode Alarm point...
  • Page 61 (3) Parameter shifting in Advanced Setting Mode In Advanced Setting Mode, pressing Alarm/↓ button shifts one parameter to the next (clockwise in the following figure). Pressing Scale/↑ button shifts one to the previous (counterclockwise). Hold down Alarm/↓ + Scale/↑ at once for ≥ 3 sec. Measuring Mode Advanced Setting Mode Scaling factor...
  • Page 62 (4) Parameter shifting in Lockout Setting Mode In Lockout Setting Mode, pressing Alarm/↓ button shifts one parameter to the next (clockwise in the following figure). Pressing Scale/↑ button shifts one to the previous (counterclockwise). Hold down Max/Min + Alarm/↓ at once for a preset time duration Measuring Mode Lockout Setting Mode Alarm setting lockout...

  • Page 63: Setting Analog Output Function

    7. SETTING ANALOG OUTPUT FUNCTION The DC output function, “proportional to the display value” as shown in Figure 1 or “proportional to the scaling value” as shown in Figure 2, can be selected. ■ ANALOG OUTPUT FUNCTION ANALOG OUTPUT DISPLAY FUNCTION DEFAULT VALUE Proportional to display value...

  • Page 64: Operating Procedure

    7.1 OPERATING PROCEDURE 2,4, NOTE • Procedures to change ‘DISP’ to ‘SCLE’ are described 1,2, here. • To change ‘SCLE’ to ‘DISP’ , the procedures are same. Select ‘DISP’ in Step 3. Hold down Scale/↑ button for 3 seconds or more to move on to Scaling Setting Mode.

  • Page 65: Setting Alarm Output

    8. SETTING ALARM OUTPUT The unit compares the present value with the alarm setpoints, and provides an alarm output (relay contact). You can configure parameters as alarm conditions as shown in Tables 1 and 2. Figures 1 to 5 show alarm examples using each parameter.
  • Page 66 Figure 1: Typical L/H trip setting Figure 2: All trip points set to high setting Display value Display value HH alarm setpoint HH alarm setpoint H alarm setpoint H alarm setpoint L alarm setpoint L alarm setpoint LL alarm setpoint LL alarm setpoint HH alarm output (hi) HH alarm output (hi)
  • Page 67 Figure 5: Coil at alarm Alarm Output Code ‘1’ (N.O. relay contact, 4 points) Alarm Output Code ‘2’ (SPDT relay contact, 2 points) Display value Display value Alarm setpoint Alarm setpoint Alarm output (coil energized) Alarm output (N.O.) (coil energized) Alarm output (N.C.) (coil de-energized)

  • Page 68: Alarm Point

    8.1 ALARM POINT The alarm point, dual alarm ‘ A LM2’ or quad alarm ‘ A LM4’ , can be selected. The alarm point is fixed at ‘2’ and the setting is not necessary when the alarm output code ‘2’ (SPDT relay contact, 2 points) is specified. 8.1.1 OPERATING PROCEDURE NOTE •...
  • Page 69 ■ TO SET THE NEXT PARAMETER, Skip to Step 2 in “8.2 ALARM SETPOINT” . ■ TO QUIT, Hold down Alarm/↓ or Scale/↑ button for 1 second or more to return to Measuring Mode. 47LPA OPERATING MANUAL EM-9515-B Rev.8...

  • Page 70: Alarm Setpoint

    8.2 ALARM SETPOINT Alarm setpoints can be set within the range of -19999 to 19999. HHowever the alarm is not provided in setting the setpoint beyond the set display scaling range. Set the setpoints within the valid range. All alarm setpoints are disabled (reset to ‘----’...
  • Page 71 Press Alarm/↓ or Scale/↑ button to go to the LL (L, H or HH) alarm setpoint setting. Blinking • The LL (L, H or HH) alarm setpoint is indicated. • ‘LL’ (‘L’ , ‘H’ or ‘HH’) indicator blinks and ‘Fnc’ indicator turns on. ■ H alarm ■ HH alarm ■ L alarm...
  • Page 72 ■ TO GO ON TO SET ANOTHER ALARM SETPOINTS, Repeat operation from Step 2. ■ TO SET THE NEXT PARAMETER, Skip to Step 2 in “8.3 TRIP ACTION (LO/HI)” . ■ TO QUIT, Hold down Alarm/↓ or Scale/↑ button for 1 second or more to return to Measuring Mode. 47LPA OPERATING MANUAL EM-9515-B Rev.8...

  • Page 73: Trip Action (Lo/Hi)

    8.3 TRIP ACTION (LO/HI) The trip action low ‘LMLO’ or high ‘LMHI’ can be selected. Configuring typical L/H trip setting or all trip points to high or low setting is available. The default values are “low trip” for the LL and L trip actions and “high trip” for the HH and H. 8.3.1 OPERATING PROCEDURE Blinking NOTE...
  • Page 74 Press Shift or Up button to select ‘LMHI’. Blinking Press Alarm/↓ or Scale/↑ button to apply the new setting. • And the next parameter setting is indicated. NOTE • Press Alarm/↓ button, and the LL (L, H or HH) deadband will be indicated within the range of 0000 to 9999 depending on the setting.

  • Page 75: Deadband

    8.4 DEADBAND Once a high (low) trip alarm is ON, the alarm stays ON until the data becomes lower (higher) than a certain range from the setpoint, which prevents the alarm output from chattering when the display value fluctuates slightly near the setpoint. This range is called deadband (hysteresis) and can be set within the range of 0000 to 9999.
  • Page 76 Press Shift button to shift the display into the setting standby mode. Blinking • The forth digit starts blinking, to which you can apply changes. Press Shift and Up buttons to set the LL (L, H or HH) deadband. • Set within the range of 0000 to 9999. NOTE Set the deadband for the setpoint.

  • Page 77: On Delay Time

    8.5 ON DELAY TIME Alarm output is provided when the display value exceeds the setpoint and stayed for the specified time duration, which pre- vents the alarm output from being provided by a sudden change such like external disturbance. This time duration is called ON delay time and can be set within the range of 0 to 99 seconds.
  • Page 78 Press Shift button to shift the display into the setting standby mode. Blinking • The second digit starts blinking, to which you can apply changes. Press Shift and Up buttons to set the LL (L, H or HH) ON delay time. •...

  • Page 79: Alarm Output Logic (Coil Energized Or De-Energized At Alarm)

    8.6 ALARM OUTPUT LOGIC (coil energized or de-energized at alarm) Alarm output logic can be selected. This parameter is called energizing direction and coil energized ‘RYEN’ or de-ener- gized ‘RYDN’ at alarm can be selected. In selecting coil de-energized at alarm, the alarm output logic is inverted. The default setting is coil energized.
  • Page 80 Press Shift or Up button to select ‘RYDN’. Blinking Press Alarm/↓ or Scale/↑ button to apply the new setting. • And the next parameter setting is indicated. NOTE • Press Alarm/↓ button, and the LL (L, H or HH) alarm tone ‘OFF’ or ‘ON’ will be indicated depending on the setting. •...

  • Page 81: Alarm Tone

    8.7 ALARM TONE An alarm can be notified by a buzzer sound. Alarm tone ‘OFF’ or ‘ON’ can be selected. The default setting is alarm tone ‘OFF’ . NOTE • Even with alarm tone option ‘without’ , the alarm tone ‘ON’ can be selected. However the buzzer is not sounded. •...
  • Page 82 Press Shift or Up button to select ‘ON’. Blinking Press Alarm/↓ or Scale/↑ button to apply the new setting. • And the next parameter setting is indicated. NOTE • Press Alarm/↓ button, and the L (H or HH) alarm setpoint (or main display blinking at alarm) will be indicated within the range of -19999 to 19999 (or ‘B 0’...

  • Page 83: Main Display Blinking At Alarm

    8.8 MAIN DISPLAY BLINKING AT ALARM Main display blinking interval at alarm can be specified. The interval can be selected among those shown in the following table. ■ BLINKING INTERVAL AT ALARM DISPLAY FUNCTION DEFAULT VALUE No blinking Blinking in 1.0 second intervals Blinking in 0.5 second intervals Blinking in 0.2 second intervals Blinking in 0.1 second intervals...
  • Page 84 Press Shift or Up button to select. Blinking • Select one among ‘B 0’ , ‘B 1’ , ‘B 2’ , ‘B 3’ and ‘B 4’ . Press Alarm/↓ or Scale/↑ button to apply the new setting. • And the next parameter setting is indicated. NOTE •...

  • Page 85: Dividing Pulse Frequency

    9. DIVIDING PULSE FREQUENCY The scaling factor of pulse division can be set within the range of 1/1 (‘D001’) to 1/999 (‘D999’). The default setting is 1/1. NOTE When the scaling factor is set to other than 1/1, the DC output is provided to the scaled value. 9.1 OPERATING PROCEDURE 1,4, 1,4,...
  • Page 86 Press Alarm/↓ or Scale/↑ button to apply the new setting. • And the next parameter setting is indicated. NOTE • Press Alarm/↓ button, and the low-end cutout ‘ZOFF’ or ‘Z ON’ will be indicated depending on the setting. • Press Scale/↑ button, and the version indication will be indicated. Hold down Alarm/↓...

  • Page 87: Eliminating Fluctuation Around "0

    10. ELIMINATING FLUCTUATION AROUND “0” A measured value less than the preset cutout value can be forcibly cut to 0 (figure below). This parameter is called low-end cutout (or zero-limit) and the value is called low-end cutout value. Enable the low-end cutout first (table below) and set the low-end cutout value within the range of 000 to 999.

  • Page 88: Low-End Cutout

    10.1 LOW-END CUTOUT 10.1.1 OPERATING PROCEDURE 1,2, NOTE • Procedures to change ‘ZOFF’ to ‘Z ON’ are described 1,2, here. • To change ‘Z ON’ to ‘ZOFF’ , the procedures are same. Select ‘ZOFF’ in Step 3. Hold down Alarm/↓ and Scale/↑ buttons at once for 3 seconds or more to move on to Advanced Setting Mode.
  • Page 89 Press Alarm/↓ or Scale/↑ button to apply the new setting. • And the next parameter setting is indicated. NOTE • Press Alarm/↓ button, and the low-end cutout value will be indicated within the range of ‘Z000’ to ‘Z999’ depending on the setting.

  • Page 90: Low-End Cutout Value

    10.2 LOW-END CUTOUT VALUE 10.2.1 OPERATING PROCEDURE 1,2, 1,2, NOTE The following figures are display examples. The displays depend on the settings. Hold down Alarm/↓ and Scale/↑ buttons at once for 3 seconds or more to move on to Advanced Setting Mode. •...
  • Page 91 Press Shift and Up buttons to set the low-end cutout value. • Set within the range of ‘Z000’ to ‘Z999’ . NOTE Set the value for the display scaling. The decimal point is not indicated. Press Alarm/↓ or Scale/↑ button to apply the new setting. •...

  • Page 92: Adjusting Brightness Of Display

    11. ADJUSTING BRIGHTNESS OF DISPLAY The brightness of the display can be adjusted (figures below). The brightness can be selected in the following table. ■ DISPLAY BRIGHTNESS DISPLAY FUNCTION DEFAULT VALUE Brightness level 1 (dark) Brightness level 2 Brightness level 3 Brightness level 4 Brightness level 5 (bright) ■...

  • Page 93: Operating Procedure

    11.1 OPERATING PROCEDURE 1,2, 1,2, NOTE The following figures are display examples. The displays depend on the settings. Hold down Alarm/↓ and Scale/↑ buttons at once for 3 seconds or more to move on to Advanced Setting Mode. • The scaling factor is indicated. •...
  • Page 94 Press Alarm/↓ or Scale/↑ button to apply the new setting. • And the next parameter setting is indicated. NOTE • Press Alarm/↓ button, and the automatic return time to Measuring Mode will be indicated within the range of ‘R 00’ to ‘R 99’...

  • Page 95: Going Back Automatically To Measuring Mode

    12. GOING BACK AUTOMATICALLY TO MEASURING MODE The display goes back automatically to Measuring Mode if the front buttons are left untouched for the specified time period while it is in one of the setting modes. This time period is called automatic return time and can be set within the range of 1 to 99 seconds (Table 1).

  • Page 96: Operating Procedure

    12.1 OPERATING PROCEDURE 1,2, 1,2, NOTE The following figures are display examples. The displays depend on the settings. Hold down Alarm/↓ and Scale/↑ buttons at once for 3 seconds or more to move on to Advanced Setting Mode. • The scaling factor is indicated. •...
  • Page 97 Press Alarm/↓ or Scale/↑ button to apply the new setting. • And the next parameter setting is indicated. NOTE • Press Alarm/↓ button, and the transition time to Lockout Setting Mode will be indicated within the range of ‘P 00’ to ‘P 99’ depending on the setting.

  • Page 98: Adjusting Display Refreshing Rate

    13. ADJUSTING DISPLAY REFRESHING RATE The display refreshing rate can be set within the range of 0.1 to 99.9 seconds. With this value set to 00.0, the refreshing rate will be 25 milliseconds (table below). When the input signal changes rapidly, the display refreshing rate can be slowed to suppress the display flickering.

  • Page 99: Operating Procedure

    13.1 OPERATING PROCEDURE 1,2, 1,2, NOTE The following figures are display examples. The displays depend on the settings. Hold down Alarm/↓ and Scale/↑ buttons at once for 3 seconds or more to move on to Advanced Setting Mode. • The scaling factor is indicated. •...
  • Page 100 Press Alarm/↓ or Scale/↑ button to apply the new setting. • And the next parameter setting is indicated. NOTE • Press Alarm/↓ button, and the version indication will be indicated. • Press Scale/↑ button, and the transition time to Lockout Setting Mode will be indicated within the range of ‘P 00’ to ‘P 99’ depending on the setting.

  • Page 101: Loop Testing

    14. LOOP TESTING The 47LPA can provide simulated analog output with the display value manually adjusted. It is called loop test output. It is convenient to check or calibrate a receiving instrument. The alarm trip functions according to the scaling values during the loop test.

  • Page 102: Operating Procedure

    14.2 OPERATING PROCEDURE NOTE The following figures are display examples. The displays depend on the settings. Hold down Alarm/↓, Scale/↑ and Shift buttons at once for 5 seconds or more to move on to Loop Test Output Mode. Blinking • The measuring is stopped and the last measured values or status are held for the DC and alarm outputs.

  • Page 103: Useful Functions

    15. USEFUL FUNCTIONS 15.1 CONFIRMING ALARM SETPOINTS The alarm setpoints set in Alarm Setting Mode can be confirmed while in Measuring Mode. Each time pressing Alarm/↓ button during Measuring Mode, the indication is switched in the order of LL alarm setpoint to L alarm setpoint to H alarm setpoint to HH alarm setpoint and back to original indication.

  • Page 104: Retaining Max And Min Values

    15.2 RETAINING MAX AND MIN VALUES MAX and MIN values can be confirmed while in Measuring Mode. Each time pressing Max/Min button during Measur- ing Mode, the indication is switched in the order of MAX value to MIN value and back to original indication. Max. value is updated while it is indicated.
  • Page 105 ■ PROCEDURE TO CONFIRM MAX OR MIN VALUE (1) Each time pressing Max/Min button during Measuring Mode, the indication is changed from the present value to MAX value, MIN value, and back to present value. (2) Hold down Max/Min button for 1 second or more to reset the MAX and MIN values and indicate new MAX and MIN values.

  • Page 106: Using Control Input

    15.3 USING CONTROL INPUT Turning ON the control input terminals while in Measuring Mode stops measuring. The last measured values or status are held for DC and alarm outputs. With the control input terminals OFF, the display, DC and alarm outputs follow the present input. ■...

  • Page 107: Limiting Button Operation

    15.4 LIMITING BUTTON OPERATION Transition from Measuring Mode to each setting mode or Loop Test Output Mode can be limited. With this setting, the transition to each mode by holding down the buttons will be disabled. In Lockout Setting Mode, the lockout per mode is selectable.
  • Page 108 Press Alarm/↓ or Scale/↑ button to go to the advanced setting lockout setting. • ‘DOFF’ is indicated. • ‘D/P’ and ‘Fnc’ indicators turn on. Press Shift or Up button to select ‘D ON’. Blinking Press Alarm/↓ or Scale/↑ button to apply the new setting. •...

  • Page 109: Transition Time To Lockout Setting Mode

    15.5 TRANSITION TIME TO LOCKOUT SETTING MODE Time duration to hold down the buttons for transition to Lockout Setting Mode can be set within the range of 0 to 99 sec- onds. The default value is 5 seconds. 15.5.1 OPERATING PROCEDURE 1,2, 1,2, NOTE...
  • Page 110 Press Shift and Up buttons to set the transition time to Lockout Setting Mode. • Set within the range of ‘P 00’ to ‘P 99’ . Press Alarm/↓ or Scale/↑ button to apply the new setting. • And the next parameter setting is indicated. NOTE •...

  • Page 111: User Calibration

    You can compensate deviation between the DC output and a device on site by the Analog Output Adjustment function. Please note that M-System does not warrant the result of your own adjustment. The internal adjustment data is overwritten every time the unit is adjusted and it is stored even if the power is turned off.

  • Page 112: Operating Procedure

    16.1.2 OPERATING PROCEDURE 2,5, 1,2, Hold down Scale/↑ button for 3 seconds or more to move on to Scaling Setting Mode. • The input type is indicated. • ‘Zro’ and ‘Spn’ indicators turn on. IMPORTANT Warm up the unit for 10 minutes or more before carrying out the Analog Output Adjustment. Press Alarm/↓...
  • Page 113 Press Up button until the desired output value. IMPORTANT • Confirm that the output signal is stable before pressing Up button while in checking it with a receiving instrument or a tester. • Adjustable range is -5 to +100%. Press Alarm/↓ button to register the analog output 0% adjust- ment and go to the analog output 100% adjustment.
  • Page 114 Press Alarm/↓ or Scale/↑ button to register the analog output 100% adjustment. • The analog output 100% adjustment is registered. • The next parameter is indicated. NOTE • Press Alarm/↓ button, and the input type will be indicated. • Press Scale/↑ button, and the analog output 0% adjustment ‘ A DJ’ will be indicated. Hold down Alarm/↓...

  • Page 115: Inspection / Cleaning

    17. INSPECTION / CLEANING To use the unit in the normal and best conditions, inspect and clean the unit routinely or periodically. • When the display and the buttons have dirt, wipe them with wet soft cloth. Do not use organic solvent such like benzine, thinner and alcohol.

  • Page 116: Troubleshooting

    18. TROUBLESHOOTING 18.1 ERROR MESSAGES MAIN DISPLAY ERROR MESSAGE WHAT TO DO Input error, Out of the measuring range Increase/decrease the input signal until it is back within the meas- uring range. While the error message is on the display, press Up button for 3 Non-volatile memory error (reading) seconds or more, go to the lockout setting mode and initialize the Non-volatile memory error (writing)
  • Page 117 Press Alarm/↓ or Scale/↑ button to go to the initialization. • ‘ROFF’ is indicated. • ‘D/P’ and ‘Fnc’ indicators turn on. Press Shift or Up button to select ‘REST’. Blinking Press Alarm/↓ or Scale/↑ button to execute the initialization. • All the indications turn on for approximately 13 seconds and then the next parameter setting is indicated.

  • Page 118: Confirming Firmware Version

    The firmware version of the unit can be confirmed. Confirm the version in the following cases: • The display is different from the one described in the operating manual. • The firmware version is necessary to consult M-System for troubles. 18.3.1 OPERATING PROCEDURE 1,2, 1,2, Hold down Alarm/↓...

  • Page 119: Appendices

    19. APPENDICES 19.1 SPECIFICATIONS ■ GENERAL SPECIFICATIONS Construction Panel flush mounting Degree of protection IP66; Applicable to the front of the panel meter mounted according to the specified panel cutout. Connection M3 separable screw terminal (torque 0.6 N·m) Screw terminal Nickel-plated steel (standard) or stainless steel Housing material Flame-resistant resin (gray)
  • Page 120 ■ INPUT SPECIFICATIONS Sensor excitation 12 V DC ±10%, 30 mA Current limit protection at approx. 60 mA Minimum pulse width requirements 5 μsec. for both ON and OFF Measuring range Frequency range Input type: F0.01 0 – 10 mHz (A wave that has con- Input type: F0.1 0 –...
  • Page 121 ■ OUTPUT SPECIFICATIONS DC output DC current Load resistance 4 – 20 mA DC: ≤ 550 Ω (output range) 0 – 20 mA DC: ≤ 550 Ω Operational range -5 – +105% DC voltage Load resistance 0 – 10 V DC: ≥ 10 kΩ (output range) 0 –...

  • Page 122: Model Numbering

    G: Green BG: Bluegreen B: Blue W: White ■ SPECIFICATIONS OF OPTION: Q COATING (For the detail, refer to M-System's web site.) Moving parts and indicators are not coated. /C01: Silicone coating /C02: Polyurethane coating /C03: Rubber coating TERMINAL SCREW MATERIAL...

  • Page 123: Parameter List

    19.3 PARAMETER LIST MODE PARAMETER SETTING RANGE INDICATOR DISPLAY DEFAULT DECIMAL UNIT VALUE POINT POSITION Measuring Present value -19999 – 19999 ---- ---- User-defined MAX value -19999 – 19999 ---- ---- User-defined MIN value -19999 – 19999 ---- ---- User-defined LL alarm setpoint -19999 –...
  • Page 124 MODE PARAMETER SETTING RANGE INDICATOR DISPLAY DEFAULT DECIMAL UNIT VALUE POINT POSITION Scaling Analog output function Proportional to the display ---- ---- setting mode value, Proportional to the scaling value Analog output 0% Adjustable range 0% output ---- ---- adjustment -5 to +100% (increasing) (decreasing)
  • Page 125 MODE PARAMETER SETTING RANGE INDICATOR DISPLAY DEFAULT DECIMAL UNIT VALUE POINT POSITION Advanced Scaling factor 1/1 to 1/999 ---- ---- setting Low-end cutout OFF, ON ---- ---- Low-end cutout value 000 – 999 ---- User-defined Brightness 1 (dark) to 5 (bright) ---- ---- Automatic return time to...

  • Page 126: Parameter Map

    19.4 PARAMETER MAP 19.4.1 OPERATION IN MEASURING MODE POWER ON Measurement Present value stopped To each mode Measurement started Displaying Con rming MAX/MIN values alarm setpoints Displaying Con rming MAX value LL alarm setpoint Displaying Con rming MIN value L alarm setpoint Con rming H alarm setpoint Con rming...

  • Page 127: Scaling Setting Mode

    19.4.2 SCALING SETTING MODE Measurement stopped for ≥ 3 sec. Measuring Mode Measurement started for ≥ 1 sec. Scaling Setting Mode Input type (Refer to “INPUT TYPE” below) Decimal point position Input scaling value A No decimal point, 0.00 – 100.00 to 10 (depending on input types) Analog output...

  • Page 128: Alarm Setting Mode

    19.4.3 ALARM SETTING MODE Measurement stopped for ≥ 3 sec. Measuring Mode Measurement started for ≥ 1 sec. Alarm Setting Mode Alarm point L deadband H coil at alarm LL alarm setpoint L ON delay time H alarm tone HH alarm setpoint L coil at alarm LL deadband L alarm tone...

  • Page 129: Advanced Setting Mode

    19.4.4 ADVANCED SETTING MODE Measurement stopped for ≥ 3 sec. Measuring Mode Measurement started for ≥ 1 sec. Advanced Setting Mode Scaling factor 1/1 to 1/999 Automatic return time to Low-end cutout Measuring Mode OFF, ON 00 (automatic return disabled) 1 –...

  • Page 130: Lockout Setting Mode

    19.4.5 LOCKOUT SETTING MODE Measurement stopped for a preset time duration Measurement Measuring Mode started for ≥ 1 sec. Lockout Setting Mode Alarm setting lockout OFF, ON Loop test output lockout Scaling setting lockout OFF, ON OFF, ON Initialization Advanced setting lockout OFF, REST OFF, ON NOTE...

  • Page 131: Character Set

    19.5 CHARACTER SET ■ NUMERALS AND NEGATIVE SIGN *1 Indication when the fifth digit is ‘-1’ . ■ ALPHABET 47LPA OPERATING MANUAL EM-9515-B Rev.8...

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