Panasonic LS-400 Series Operation Manual
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Panasonic LS-400 Series Operation Manual

Panasonic LS-400 Series Operation Manual

Digital laser sensor
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LS - 400
PRO Mode Operation Guide
1-1. Functional Description.........................P. 1
1-2. Setting Procedure ...............................P. 1
2-1. Diagram of Functions and Settings.....P. 2
3-2. Factory Settings ..................................P. 4
4-6. Timer Setting Mode ...........................P. 23
5-3. Hysteresis Function...........................P. 26
5-4. Shift Function ....................................P. 27
5-5. M.G.S. Function ................................P. 28
5-6. Emission Halt Function .....................P. 29
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DIGITAL LASER SENSOR
SERIES
6-2. Display Switching Function ...............P. 32
6-3. Display Turning Function...................P. 33
6-4. ECO Mode Function..........................P. 34
6-5. Period Holding Function....................P. 35
7-2. Data Bank Load Function .................P. 39
7-3. Data Bank Save Function .................P. 40
8-2. Copy Function ...................................P. 42
8-5. Backup Setting Function ...................P. 45
9-2. Code Setting Function.......................P. 48
9-3. 0-Adjust Setting Function ..................P. 49
9-4. Setting Reset Function......................P. 50
11-1. Key Lock Function...........................P. 56

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Summary of Contents for Panasonic LS-400 Series

  • Page 1: Table Of Contents

    DIGITAL LASER SENSOR LS - 400 SERIES PRO Mode Operation Guide 1. Functional Description 6. PRO2 Mode 1-1. Functional Description......P. 1 6-1. PRO2 Mode Functions and Settings ...P. 30 1-2. Setting Procedure .......P. 1 6-2. Display Switching Function ....P. 32 6-3.

  • Page 2: Functional Description

    Functional Description 1-1. Functional Description Select 2 indicator Select 1 indicator Digital display (Green, Red) (Yellow) (Yellow) Output 1 operation Output 2 operation indicator (Orange) indicator (Orange) Laser emission indicator (Green) MODE key Jog switch MODE indicators are in the correct order for selecting settings. Output 1, 2 operation indicator (Orange)……...

  • Page 3: Diagram Of Functions And Settings

    2-1. Diagram of Functions and Settings The amplifier of LS-400 series features and settings are generally classified into two main modes; the ‘NAVI’ mode for items and settings that are frequently reconfigured, and the ‘PRO’ mode that contains more detailed settings.

  • Page 4: Others

    Others 3-1. Precautions When Selecting Settings Be sure to set each item after selecting output 1 or output 2. The items that can be set in output 1 and output 2 respectively are only 1 Threshold value, 2 Output operation, 3 Timer operation and Timer period, and 4 Sensing mode (Output 2 can only be selected in normal mode).

  • Page 5: Factory Settings

    (However, the automatic interference prevention function cannot be used in H-SP mode.) 3-2. Factory Settings Factory settings for the LS-400 series are indicated below: If the amplifier is reset using the ‘9-4 Setting Reset Function’ from ‘PRO5 Mode’ on p. 50, the resulting settings...

  • Page 6: Error Display Indicator Readings

    3-3. Error Display Indicator Readings In case of errors, attempt the following measures: Error description Measures Digital display The load has short-circuited Turn off the power, then check and excess current is flowing. the load. Disconnected sensor head Check the sensor head connection wire error.

  • Page 7: Settings For Navi Mode

    Settings for NAVI Mode 4-1. NAVI Mode Functions and Settings In [NAVI mode], frequently changed settings can be easily configured. Settings for four functions can be configured. This indicates normal sensing operation. Threshold value (green) and incident light RUN : Normal Sensing Operation intensity (red) are displayed in real time.
  • Page 8 Full-auto Teaching P. 13 This method is used to set the threshold value while the sensing objects are still moving on the production line, without stopping the production line. TEACH : Teaching Mode When using window comparator mode The ‘threshold value’ can be set with any of the 3 teaching methods (‘1-level Refer to p.
  • Page 9 When using hysteresis mode TEACH : Teaching Mode This sets the ON / OFF levels with any of the 3 teaching methods (‘1-level Refer to p. 18 ~ for setting procedure teaching’, ‘2-level teaching’ and ‘3-level teaching’) and sets the hysteresis. By adjusting the hysteresis, the irregular sections of sensing objects with irregularities are canceled out so that stable sensing is possible.
  • Page 10 TEACH : Teaching Mode When using differential (rising or trailing) mode Only sudden changes in the light intensity are sensed, so that objects such as glass edges can also be sensed with stability. Span adjustment during differential mode When setting differential mode in PRO mode, the maximum sensitivity (minimum threshold value) is set.
  • Page 11 When using rising differential mode For L-ON, output is ON for a constant period of time when the incident light intensity is rising. For D-ON, output is OFF for a constant period of time when the incident light intensity is rising. Incident light intensity...

  • Page 12: Teaching Mode (When Using Normal Mode)

    4-2. Teaching Mode (when using normal mode) The ‘threshold value’ can be set by utilizing three kinds of teaching, whichever ‘2-level teaching’, ‘limit teaching’ or ‘full-auto teaching’. * Select output 1 and output 2 and the sensing mode beforehand. 2-level teaching is a method of setting the ‘threshold value’ by teaching the amplifier two different 2-level Teaching status conditions - sensing object present and sensing object absent.
  • Page 13 Teaches only the status condition in which no sensing object is within sensing range (status in Limit Teaching which incident light intensity is stable). This method is used to set a ‘threshold value’ for conducting sensing in the presence of a background, or when extremely small objects are to be detected.
  • Page 14 Full-auto teaching is used to set the threshould value while the sensing objects are still moving on Full-Auto Teaching the production line, without stopping the production line. Place a sensor head within sensing range. Press the 1Select ‘TEACH mode’ by pressing the [MODE key] once. MODE key once.

  • Page 15: Teaching Mode (When Using Window Comparator Mode)

    4-3. Teaching Mode (when using window comparator mode) The ‘threshold value’ can be set using ‘1-level teaching’, ‘2-level teaching’ or ‘3-level teaching’. In window comparator mode, teaching is performed using the teaching methods described in the section entitled ‘10-2. Output 1 Sensing Mode Settings’ from ‘PRO6 Mode’ on p. 53. Change the teaching method using ‘10-2.
  • Page 16 Incident light intensity 9,999 This is a method of setting the threshold values 2_SL 2-level Teaching (1_SL, 2_SL) by two levels (P-1, P-2) teaching. 1_SL Time Output (L-ON) Press the 1Select ‘TEACH mode’ by pressing the [MODE key] once. MODE key once. 2The current teaching method (green) and incident light intensity (red) will be displayed and the amplifier will enter the ‘P-1’...
  • Page 17 Incident light intensity 9,999 This is a method of setting the threshold range by 3-level Teaching 2_SL three levels (P-1, P-2, P-3) teaching and set the threshold values at the middle of ‘A’ and ‘B’ (1_SL) and 1_SL ‘B’ and ‘C’ (2_SL). After teaching, P-1, P-2 and P-3 are automatically Time Output...
  • Page 18 The status condition when sensing object ‘C’ is present that has the greatest intensity of incident light. Press the 7If the [Jog switch] is pressed while in the status condition Jog switch. when sensing object ‘C’ is present that has the greatest intensity of incident light, the display will blink the incident Incident light light intensity reading (red).

  • Page 19: Teaching Mode (When Using Hysteresis Mode)

    4-4. Teaching Mode (when using hysteresis mode) The ‘ON Level / OFF Level’ can be set using ‘1-level teaching’, ‘2-level teaching’ or ‘3-level teaching’. In hysteresis mode, teaching is performed using the teaching methods described in the section entitled ‘10-2. Output 1 Sensing Mode Settings’...
  • Page 20 Incident light intensity 9,999 2_SL This is a method of setting the ON level / OFF 2-level Teaching 1_SL level (1_SL, 2_SL) by two levels (P-1, P-2) teaching. Time Output (L-ON) Press the 1Select ‘TEACH mode’ by pressing the [MODE key] once. MODE key once.
  • Page 21 Incident light intensity 9,999 2_SL This is a method of setting the ON and OFF range by 3-level Teaching 1_SL three levels (P-1, P-2, P-3) teaching and set the OFF level or ON level at the middle of ‘A’ and ‘B’ (1_SL) and Time set the ON level or OFF level at the middle of ‘B’...
  • Page 22 6The amplifier has entered the ‘P-3’ setting state and ‘ ’ (green) will blink. The status condition (C) when incident light is the greatest intensity. Press the 7If the [Jog switch] is pressed while in the status condition (C) Jog switch. when the incident light is the greatest intensity, then the display will blink and indicate the incident light intensity Incident light...

  • Page 23: Output Operation Setting Mode

    4-5. Output Operation Setting Mode Output operation This mode allows the selection of output operation Normal mode Window comparator mode from either L-ON (Light-ON), or D-ON (Dark-ON). Output Output * Select the output 1 or output 2 beforehand. operation operation L-ON L-ON D-ON...

  • Page 24: Timer Setting Mode

    4-6. Timer Setting Mode This mode sets the timer operation and timer period. The factory setting is ‘Without timer’. The setting can be selected from Without timer / OFF-delay / ON-delay / ONE-SHOT timer. Timer period: Can be set to between approx. 1 to 9,999 ms in units of 1 ms. * Select the output 1 and output 2 beforehand.

  • Page 25: Pro1 Mode

    * Output 1 and output 2 will both be changed to the same settings. The settings can be carried out in either output 1 mode or output 2 mode. The response times for the LS-400 series can be switched among four levels: : Response Time Change Function H-SP (ultra high-speed), FAST (high-speed), STD (standard) and U-LG (ultra Refer to p.

  • Page 26: Response Time Change Function

    5-2. Response Time Change Function Response time can be switched among four levels: Setting Response time H-SP (ultra high-speed) / FAST (high-speed) / STD (ultra high-speed) 80!s (0.08 ms) or less (standard) / U-LG (ultra long-range). (high-speed) 150!s (0.15 ms) or less * The incident light intensity display can display a (standard) 500!s (0.5 ms) or less...

  • Page 27: Hysteresis Function

    5-3. Hysteresis Function The hysteresis can be switched to one of three settings (small / standard / large) in all sensing modes except for hysteresis mode. Press the 1Press the [MODE key] 5 times to select ‘PRO mode’. MODE key 5 times. Turn the Jog switch once 2Turn the [Jog switch] once toward the ‘...

  • Page 28: Shift Function

    5-4. Shift Function Shifts the ‘threshold value’ by a certain percentage increment during ‘limit teaching’. (The percentage adjustment is variable from approx. 5 % to 200 %, in increments of 1 %.) Press the 1Press the [MODE key] 5 times to select ‘PRO mode’. MODE key 5 times.

  • Page 29: Function

    5-5. M.G.S. Function The receiving light sensitivity can be set to one of four levels (Level 4 (Note) / Level 3 / Level 2 / Level 1). Note: Level 4 can only be set in ultra long-range (U-LG) mode. Press the 1Press the [MODE key] 5 times to select ‘PRO mode’.

  • Page 30: Emission Halt Function

    5-6. Emission Halt Function This selects whether the laser is emitted or not. * This only stops laser emission, and other operations (such as output operation and timer operation) continue functioning. Press the 1Press the [MODE key] 5 times to select ‘PRO mode’. MODE key 5 times.

  • Page 31: Pro2 Mode

    PRO2 Mode 6-1. PRO2 Mode Functions and Settings PRO2 mode is used mainly for selecting the detailed configuration of the digital display and incident light intensity data processing. * Output 1 and output 2 will both be changed to the same settings. The settings can be carried out in either output 1 mode or output 2 mode.
  • Page 32 Display Timing for Peak Hold and Bottom Hold Please note that the peak hold and bottom hold values will be resampled consecutively. Incident light intensity 2068 1820 Time Peak hold Bottom hold Display indicates the peak Display indicates the peak value or bottom value within value or bottom value within the graph area ‘...

  • Page 33: Display Switching Function

    6-2. Display Switching Function In RUN mode, the digital display is fixed to either incident light intensity, % or peak hold / bottom hold display, but you can select it to be a variable display. * The factory setting is for ‘no digital display switching’. 4If the [Jog switch] is pressed, the current ‘display switching Press the 1Press the [MODE key] 5 times to select ‘PRO mode’.

  • Page 34: Display Turning Function

    6-3. Display Turning Function This function can be used to invert the display orientation, according to the direction of amplifier installation. Press the 1Press the [MODE key] 5 times to select ‘PRO mode’. MODE key 5 times. Turn the Jog switch twice 2Turn the [Jog switch] twice toward the ‘...

  • Page 35: Eco Mode Function

    6-4. ECO Mode Function This function turns off the digital display to reduce power consumption. If no operations are performed for 20 sec., the letters ‘ ’ (green) will blink and then the digital display will turn off. If the [MODE key] or the [Jog switch] are operated, the digital display will light up again. When set to ECO OFF When set to ECO ON Current Consumption...

  • Page 36: Period Holding Function

    6-5. Period Holding Function This selects whether the peak hold value / bottom hold value during the hold ON period or the peak hold value / bottom hold value within the digital display refresh period is displayed. When hold ON is set, holding starts from the point when the peak / bottom display appears in RUN mode.

  • Page 37: Current Value Storage Function

    6-6. Current Value Storage Function The current incident light intensity value can be stored. Press the 1Press the [MODE key] 5 times to select ‘PRO mode’. MODE key 5 times. Turn the Jog switch twice 2Turn the [Jog switch] twice toward the ‘ ’...

  • Page 38: Stored Value Comparison Function

    6-7. Stored Value Comparison Function This displays the stored incident light intensity value and the present incident light intensity value at the same time so that you can check for things such as drops in incident light intensity. * Before using the stored value comparison function, you need to store the present incident light intensity. Press the 1Press the [MODE key] 5 times to select ‘PRO mode’.

  • Page 39: Pro3 Mode

    PRO3 mode can load settings from the data bank and can save settings to the data bank. Data bank The LS-400 series incorporates an internal memory for storing setting. Three different sets of settings can be stored within the data banks, in channels 1 (...

  • Page 40: Data Bank Load Function

    7-2. Data Bank Load Function This function allows settings from the data bank to be selected and then loaded. This feature allows settings to be changed quickly at times of reconfiguration, etc. You can select whether the settings for only one amplifier are loaded or the settings for all amplifiers on the right side that are connected via optical communication are loaded all in a single step.

  • Page 41: Data Bank Save Function

    7-3. Data Bank Save Function This function saves amplifier settings. Up to 3 sets of settings can be saved using ‘ ’ ‘ ’ and ‘ ’ . You can select whether the settings for only one amplifier are saved or the settings for all amplifiers on the right side that are connected via optical communication are saved all in a single step.

  • Page 42: Pro4 Mode

    PRO4 Mode 8-1. PRO4 Mode Functions and Settings PRO4 mode is mainly used for configuring communication with sub units and external input modes. By utilizing the optical communications function, the settings information from the : Copy Function operating amplifier can be copied to other connected amplifiers. (Except for data bank contents) However, the 0-Adjust setting function and transmission change to permit / Refer to p.

  • Page 43: Copy Function

    8-2. Copy Function By utilizing the optical communications function, the settings information from the operating amplifier can be copied to other connected amplifiers. (Except for data bank contents) However, the 0-Adjust function and transmission change to permit / not to permit function will not be copied. However, in amplifiers in which the transmission change has not been permitted, copying will not occur.

  • Page 44: Selection For Transmission Change To Permit / Not To Permit

    8-3. Selection for Transmission Change to Permit / Not to Permit When attempting to perform single step load / save / copy operations using the setting condition data bank load function and data bank save function from PRO3 mode, and copy function from PRO4 mode, if the transmission change has not been permitted, then only the specified amplifier will be locked.

  • Page 45: External Input Switch Setting Function

    8-4. External Input Switch Setting Function Selects ‘emission halt’, ‘full-auto teaching’ or ‘limit teaching’ using external input wires. * Equipped with cable type only. Press the 1Press the [MODE key] 5 times to select ‘PRO mode’. MODE key 5 times. Turn the Jog switch 4 times 2Turn the [Jog switch] 4 times toward the ‘...

  • Page 46: Backup Setting Function

    8-5. Backup Function This function is used for not storing the threshold value obtained from external input teaching into the EEPROM. It prevents unnecessary writing to the EEPROM. * Equipped with cable type only. Press the 1Press the [MODE key] 5 times to select ‘PRO mode’. MODE key 5 times.

  • Page 47: Pro5 Mode

    PRO5 mode allows code setting, 0-adjust, setting reset (re-initialized), and setting of CUSTOM mode display. Code Setting The LS-400 series contain certain encoded basic information that can be set by inputting a 8-digit code. The functions that may be set using direct coding are: Response time, Hysteresis, Output operation, M.G.S., External input mode, Timer operation and CUSTOM mode display.
  • Page 48 The input of a 8-digit code allows the configuration to be set directly, without the : Code Setting Function need to set each individual function. Refer to p. 48 for setting procedure This function allows for automatic zeroing of the incident light intensity. : 0-Adjust Setting Function Refer to p.

  • Page 49: Code Setting Function

    9-2. Code Setting Function The input of a 8-digit code allows the configuration to be set directly, without the need to set each individual function. Press the 1Press the [MODE key] 5 times to select ‘PRO mode’. MODE key 5 times. Turn the Jog switch 5 times 2Turn the [Jog switch] 5 times toward the ‘...

  • Page 50: 0-Adjust Setting Function

    9-3. 0-Adjust Setting Function This function allows for automatic zeroing of the incident light intensity. * The threshold value is not linked to this function, so that after carrying out zero adjustment, be sure to reset the threshold value. Press the 1Press the [MODE key] 5 times to select ‘PRO mode’.

  • Page 51: Setting Reset Function

    9-4. Setting Reset Function This function will cause all settings to revert to factory settings. However, any settings that have been saved within the data bank will not be changed. If the information stored within the data bank is to be changed, then data bank settings must be overwritten with new settings by using the ‘7-3.

  • Page 52: Custom Mode Display Function

    9-5. CUSTOM Mode Display Function This selects one function that you would like to display in the navigation display in CUSTOM mode. Press the 1Press the [MODE key] 5 times to select ‘PRO mode’. MODE key 5 times. Turn the Jog switch 5 times 2Turn the [Jog switch] 5 times toward the ‘...

  • Page 53: Pro6 Mode

    PRO6 Mode 10-1. PRO6 Mode Functions and Settings PRO6 mode is used to set sensing mode (normal / window comparator / rising differential / trailing differential / hysteresis) and also to set the shift amounts in window comparator mode and hysteresis mode. This is a sensing mode for setting a single ‘threshold value’...

  • Page 54: Output 1 Sensing Mode Settings

    10-2. Output 1 Sensing Mode Settings Output 1 can be set to one of five sensing modes (normal / window comparator / rising differential / trailing differential / hysteresis). Press the 1Press the [MODE key] 5 times to select ‘PRO mode’. MODE key 5 times.
  • Page 55 1-level 2-level 3-level 1-level 2-level 3-level teaching teaching teaching teaching teaching teaching Select teaching method 8If the [Jog switch] is turned, the teaching method (red) will by turning the Jog switch. blink. Press the 9If the [Jog switch] is pressed, the teaching method will be Jog switch.

  • Page 56: Output 2 Sensing Mode Settings

    10-3. Output 2 Sensing Mode Settings Output 2 can only be set to normal mode. Press the MODE key for 2 seconds or more to make the Select 2 indicator illuminate beforehand. Press the 1Press the [MODE key] 5 times to select ‘PRO mode’. MODE key 5 times.

  • Page 57: Others

    Others 11-1. Key Lock Function The ‘key lock function’ prevents operators from changing the sensor settings by mistake. Keep the Jog switch and the MODE key pressed 1Keep the [MODE key] and the [Jog switch] pressed for 3 sec. for 3 sec. or more at the or more at the same time in ‘RUN mode’...

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