SMC Networks ZSE20B-L Operation Manual
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SMC Networks ZSE20B-L Operation Manual

Digital pressure switch
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No.PS※※-OMV0006-D
PRODUCT NAME
Digital Pressure Switch
(
compatible)
MODEL / Series / Product Number
ZSE20B(F)-L
ISE20B-L

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Summary of Contents for SMC Networks ZSE20B-L

  • Page 1 No.PS※※-OMV0006-D PRODUCT NAME Digital Pressure Switch compatible) MODEL / Series / Product Number ZSE20B(F)-L ISE20B-L...

  • Page 2: Table Of Contents

    Table of Contents Safety Instructions Model Indication and How to Order Summary of Product parts Definition and terminology Mounting and Installation Installation Piping Wiring Outline of Settings [Measurement mode] Pressure Setting 3 Step Setting Mode Simple Setting Mode Function Selection Mode Function selection mode Default setting F 0 Display units, switch output specifications and diagnostic information selection function...

  • Page 3: Safety Instructions

    Safety Instructions These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of "Caution", "Warning" or "Danger". They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC) , and other safety regulations.
  • Page 4 Safety Instructions Caution 1.The product is provided for use in manufacturing industries. The product herein described is basically provided for peaceful use in manufacturing industries. If considering using the product in other industries, consult SMC beforehand and exchange specifications or a contract if necessary. If anything is unclear, contact your nearest sales branch.
  • Page 5 Operator ♦This operation manual is intended for those who have knowledge of machinery using pneumatic equipment, and have sufficient knowledge of assembly, operation and maintenance of such equipment. Only those persons are allowed to perform assembly, operation and maintenance. ♦Read and understand this operation manual carefully before assembling, operating or providing maintenance to the product.
  • Page 6 Caution ■Do not touch the terminals and connectors while the power is on. Otherwise electric shock, malfunction or damage to the product can result. ■After maintenance is complete, perform appropriate functional inspections and leak tests. Stop operation if the equipment does not function properly or there is a leakage of fluid. When leakage occurs from parts other than the piping, the product might be faulty.
  • Page 7 ●Product handling ∗Installation •Tighten to the specified tightening torque. If the tightening torque is exceeded the mounting screws and brackets may be broken. If the tightening torque is insufficient, the product can be displaced and loosen the mounting screws. •Do not apply excessive stress to the product when it is mounted with a panel mount. Otherwise damage to the product and disconnection from the panel mount can result.
  • Page 8 •Do not use in a place where the product could be splashed by oil or chemicals. If the product is to be used in an environment containing oils or chemicals such as coolant or cleaning solvent, even for a short time, it may be adversely affected (damage, malfunction, or hardening of the lead wires). •Do not use in an area where surges are generated.

  • Page 9: Model Indication And How To Order

    Model Indication and How to Order No.PS※※-OMV0006-D...
  • Page 10 ○Accessories/Part numbers If an option is required independently, order with the following part numbers. Items Part No. Remarks Bracket A ZS-46-A1 Self tapping screws: Nominal size 3 x 8L (2 pcs.) Bracket B ZS-46-A2 Self tapping screws: Nominal size 3 x 8L (2 pcs.) Panel mount adapter ZS-46-B Panel mount adapter +...

  • Page 11: Summary Of Product Parts

    Summary of Product parts ○Names of individual parts Operation light: Displays the switch operating condition. Main display: Displays pressure measurement values and error codes. (2-colour display) Sub display (left): Displays items. (Orange) Sub display (right): Displays set values, peak and bottom values. (Orange) button: Increases mode and ON/OFF set values.
  • Page 12 ●IO-Link indicator light operation and display IO-Link Communication Sub screen indicator light Status Content ∗1 with master display Normal communication status Operate (Reading of Correct measurement value) Start up When communication starts up. Preoperate Version of master and Version does not IO-Link IO-Link match...

  • Page 13: Definition And Terminology

    ■Definition and terminology Term Definition Performs pressure setting automatically by detecting the increase and decrease in pressure. For example, if this function is used for a suction test, Auto-preset the pressure setting will be completed by performing suction and release of the workpiece.
  • Page 14 Term Definition Abbreviation of full span and full scale; difference between the minimum and maximum rated pressure values. means the maximum fluctuation range of F.S. the pressure switch rated value. (full span/full scale) For example, when the rated pressure range is -0.100 to 1.000 [MPa]: F.S.
  • Page 15 Term Definition Shows the maximum pressure from when the power was supplied to the Peak value display (mode) current time. The diameter of the connecting part of the switch for connecting with the Port size object to be measured. Operating mode in which the digital display turns off and power consumption Power saving mode is reduced.
  • Page 16 Term Definition An operating mode in which the switch output is turned on and off depending Window comparator mode on whether the flow is inside or outside the range of two set values. (Refer to the "List of output modes" on page 34.) A measure of the product’s resistance to a voltage applied between the electrical circuit and case.

  • Page 17: Mounting And Installation

    Mounting and Installation ■Installation ○Mounting ●Mount the optional bracket and panel mount adapter to the pressure switch. ●When the pressure switch is to be mounted in a place where water and dust splashes occur, insert a tube into the atmospheric vent port of the pressure switch. (Refer to “Tube attachment”...
  • Page 18 ○Mounting with panel mount adapter ●Mount part (a) to the front of the body and fix it. Then insert the body with (a) into the panel until (a) comes into contact with the panel front surface. Next, mount part (b) to the body from the rear and insert it until (b) comes into contact with the panel for fixing.

  • Page 19: Piping

    ■Piping ○Tightening the connection thread ●For connecting to the body (piping specification: -M5) After hand tightening, apply a spanner of the correct size to the spanner flats of the piping body, and tighten with a 1/6 to 1/4 rotation. As a reference, the tightening torque is 1 to 1.5 N•m. (When replacing the piping adapter ZS-46-N# tighten it using the same method.) ●Piping specification: -01, -N01 After hand tightening, hold the hexagonal spanner flats of the pressure port with a spanner, and tighten...
  • Page 20 ○Tube attachment ●When the pressure switch is used in a place where water and dust splashes may occur, insert a tube in the atmospheric vent port, and position the other end of the tube at safe position to protect the vent port from water and dust (see the figure bottom).

  • Page 21: Wiring

    ■Wiring ○Wiring connections ●Connections should be made with the power supply turned off. ●Use a separate route for the product wiring and any power or high voltage wiring. Otherwise, malfunction may result due to noise. ●If a commercially available switching power supply is used, be sure to ground the frame ground (FG) terminal.
  • Page 22 ○Internal circuit and wiring examples •Used as switch output device Setting of PNP open collector 1 output Setting of NPN open collector 1 output •Used as IO-Link device -21- No.PS※※-OMV0006-D...

  • Page 23: Outline Of Settings [Measurement Mode]

    Outline of Settings [Measurement mode] Power is supplied. The product code is displayed for approximately 3 sec. after supplying power. ∗: Within approximately 0.2 second after power-on, the switch starts. [Measurement mode] Detects the pressure after power is supplied, and indicates the display and switch operating status.

  • Page 24: Pressure Setting

    Pressure Setting Default settings When the pressure exceeds the set value, the switch will be turned on. When the pressure falls below the set value by the amount of hysteresis or more, the switch will be turned off. The default setting is to turn on the pressure switch when the pressure reaches the center of the atmospheric pressure and upper limit of the rated pressure range.

  • Page 25: Step Setting Mode

    3 Step Setting Mode 3 step setting mode In this mode, the set values can be input in just 3 steps. Use this mode if the product is to be used straight away, after changing only the set values. (The current pressure value is displayed on the main display.) <Operation>...
  • Page 26 The Pressure switch turns on within a set pressure range (from P1L to P1H) during window comparator mode. Set P1L, the lower limit of the switch operation, and P1H, the upper limit of the switch operation and WH1 (hysteresis) following the instructions given on page 24. (When reversed output is selected, the sub display (left) shows [n1L] and [n1H].) Please refer to the "List of output modes"...

  • Page 27: Simple Setting Mode

    Simple Setting Mode <Operation> [Simple setting mode (hysteresis mode)] In the simple setting mode, the set value, hysteresis and delay time can be changed while checking the current pressure value (main display). (1) Press and hold the button between 1 and 3 seconds in measurement mode. [SEt] is displayed on the main display.
  • Page 28 In the window comparator mode, set P1L, the lower limit of the switch operation, and P1H, the upper limit of the switch operation, WH1 (hysteresis) and dt1 (delay time) following the instructions given on page 26. (When reversed output is selected, the sub display (left) shows [n1L] and [n1H].) Please refer to the "List of output modes"...

  • Page 29: Function Selection Mode

    Function Selection Mode ■Function selection mode In measurement mode, press the button between 3 and 5 seconds, to display [F 0]. Select to display the function to be changed [F□□]. Press and hold the button for 2 seconds or longer in function selection mode to return to measurement mode.
  • Page 30 ●[F 1] Setting of OUT1 Page Item Explanation Default setting Either hysteresis mode, window comparator mode, error output or Output mode Hysteresis mode output off can be selected. Reversed output Selects which type of switch output is used, normal or reversed. Normal output ISE20B : 0.500 MPa...

  • Page 31: F 0 Display Units, Switch Output Specifications And Diagnostic Information Selection Function

    ■[F 0] Display units, switch output specifications and diagnostic information selection function This setting is only available for models with the units selection function. The unit that can be displayed is different depending on the pressure range. (kPa/MPa can still be selected if the product does not have the units selection function.) <Operation>...
  • Page 32 Setting of diagnostic information selection It is possible to set the condition in which the diagnostic information of the process data can be transferred to the upper devices such as a master. ∗: IO-Link mode can provide the communication function. ∗: Refer to page for details of the diagnostic information.

  • Page 33: F 1 Setting Of Out1

    ■[F 1] Setting of OUT1 Set the output mode of OUT1. Output turns on when the pressure is greater than the set value. The default setting is to turn on the pressure switch when the pressure reaches the center of the atmospheric pressure and upper limit of the rated pressure range.
  • Page 34 Hysteresis setting Set the pressure referring to the setting method on page 24. Hysteresis mode: [H_1] Window comparator mode: [WH1] The snap shot function can be used. (Refer to page 58.) Press the button to set. Move on to delay time setting. Delay time setting Set the delay time referring to the setting method on page 26.
  • Page 35 ●List of output modes ∗1: The applicable errors are Er6, 8, 9, 15 as well as Er1 (excluding the error output). ∗: The chart above shows the OUT1 operation. For OUT2, all "1" in the chart will be changed to "2". (example P_1→P_2) If the point at which the switch output changes is outside of the set pressure range due to the selection of normal or reversed output, the hysteresis value is automatically adjusted.

  • Page 36: F 2 Setting Of Out2

    ■[F 2] Setting of OUT2 (Setting of the OUT2 output available in the IO-Link communication process data) Set the output mode of OUT2. Output turns on when the pressure is greater than the set value. The default setting is to turn on the pressure switch when the pressure reaches the center of the atmospheric pressure and upper limit of the rated pressure range.
  • Page 37 Hysteresis setting Set the pressure referring to the setting method on page 24. Hysteresis mode: [H_2] Window comparator mode: [WH2] The snap shot function can be used. (Refer to page 58.) Press the button to set. Move on to delay time setting. Delay time setting Set the delay time referring to the setting method on page 26.

  • Page 38: F 3 Digital Filter Setting

    ■[F 3] Digital filter setting The Digital filter can be selected to filter the pressure measurement. Output chattering or flicker in the measurement mode display can be reduced by setting the digital filter. Digital filter can be set in 0.01[sec.] increment in the range of 0.00 to 30.00 sec. <Operation>...

  • Page 39: F 4 Auto-Preset Function

    ■[F 4] Auto-preset function This function will automatically calculate and set the optimum pressure based on the actual operating condition, when hysteresis mode has been selected. <Operation> Press the button in function selection mode to display [F 4]. Press the button.
  • Page 40 ●Auto-preset When auto-preset is selected in function selection mode, the set value can be calculated and memorized from the measured pressure. Repeating the suction and release of the workpiece to be set for several times will automatically optimize the set value. (1) Selection of auto-preset OUT1 mode Press the button in measurement mode to display [AP1 REdY].

  • Page 41: F 6 Fine Adjustment Of Display Value

    ■[F 6] Fine adjustment of display value This function is to manually perform a fine adjustment of the displayed pressure value. Pressure can be adjusted in the following range of ±5%R.D. <Operation> Press the button in function selection mode to display [F 6]. Press the button.

  • Page 42: F10 Sub Display Setting

    ■[F10] Sub display setting Change the display style of the sub display. Detailed contents are shown in the pages from 42. <Operation> Press the button in function selection mode to display [F10]. Press the button. Move on to sub display setting. Sub display setting Press the button to select the display style for the...
  • Page 43 <Sub display> •Standard The Standard display function displays the items and values on the sub display. The displayed item varies depending on the setting of the output mode. Select the displayed items by button in measurement mode. pressing the (Hysteresis mode, error output, switch output off (Window comparator mode) -42- No.PS※※-OMV0006-D...
  • Page 44 •2 value display The 2 value display function displays the items listed below on the right and left side of the sub display. List of items for selection Sub display Item Details Remarks Left side Right side When hysteresis mode is ○...
  • Page 45 Table showing the rated pressure range when RAnG is selected. Pressure range Rated pressure Characters displayed on the sub display Vacuum pressure -101 kPa Compound pressure 100 kPa Positive pressure 1 MPa Table showing the output mode and output form when Md1 and Md2 are selected. Output mode Output style Display style...
  • Page 46 •Level bar display The Level bar display is a function used to visualize the pressure and the ON area for the switch output on the sub display. The display style varies depending on the setting of the output mode. (In hysteresis mode or window comparator mode) The threshold bar displaying the switch output ON area is displayed according to the table below, using the output mode.
  • Page 47 During an error output or when the output setting is off, the pressure value meter at the atmospheric pressure is displayed according to the table below. Rated range Display at atmospheric pressure Vacuum pressure Compound pressure Positive pressure •Character string display Function to display the specified character string on the sub-screen.

  • Page 48: F11 Display Resolution Setting

    ■[F11] Display resolution setting This function is to change the pressure display resolution. The flicker of the display can be reduced. <Operation> Press the button in function selection mode to display [F11]. Press the button. Move on to display resolution setting. Display resolution setting Press the button to select the display resolution.

  • Page 49: F14 Zero Cut-Off Setting

    ■[F14] Zero cut-off setting When the pressure display value is close to zero, the product rounds the value and zero will be displayed. The zero cut-off range is 0.0 to 10.0% F.S., and can be set in 1.0% F.S. increments. <Operation>...

  • Page 50: F80 Power Saving Mode

    ■[F80] Power saving mode Power saving mode can be selected. When selected and no buttons are pressed for 30 seconds, the pressure switch will shift to power saving mode. <Operation> Press the button in function selection mode to display [F80]. Press the button.

  • Page 51: F81 Security Code

    ■[F81] Security code The security code can be turned on or off and the security code can be changed when unlocked. <Operation> Press the button in function selection mode to display [F81]. Press the button. Move on to security code. Security code Press the button to select the setting of security code.
  • Page 52 Security code changing Press the button to input the changed ∗ security code on the main display. For instructions on how to enter the security code, refer to "How to input and change the security code" on page 61. After entry, the changed security code will flash by pressing the button for 1 second.

  • Page 53: F90 Setting Of All Functions

    ●Special function setting ■[F90] Setting of all functions All functions can be set in turn. <Operation> Press the button in function selection mode to display [F90]. Press the button. Move on to setting of all functions. Setting of all functions Press the button to select all functions.
  • Page 54 ●Setting of each function Order Function Display unit selection Switching setting of switch output NPN/PNP specifications Setting of diagnostic information selection Output mode setting of OUT1 Reversed output setting of OUT1 Pressure setting of OUT1 Hysteresis setting of OUT1 Set OUT1 delay time at ON Set OUT1 delay time at OFF Display color setting Output mode setting of OUT2...

  • Page 55: F96 Number Of Pressurizing Errors

    ■[F96] Number of pressurizing errors When the pressure has exceeded 115% of the rated pressure, this is counted as a pressurizing error. <Operation> Press the button in function selection mode to display [F96]. Press the button. Move on to number of pressurizing errors. Number of pressurizing errors ∗: The maximum number of pressurizing error is 1000 counts.

  • Page 56: F98 Output Check

    ■[F98] Output check Correct operation of the switch output can be confirmed. The output can be turned ON/OFF manually. <Operation> Press the button in function selection mode to display [F98]. Press the button. Move on to output check. Output check Press the button to select output check.
  • Page 57 OUT2 output check Press the button to select OUT2 output check. Press the button to set. Diagnostic output check (using the IO-Link communication only) Press the button to select the diagnostic output check. ∗: IO-Link mode can provide the communication function. ∗: Refer to page for details of the diagnostic information.

  • Page 58: F99 Reset To Default Settings

    ■[F99] Reset to default settings If the product settings are uncertain, the default values can be restored. <Operation> Press the button in function selection mode to display [F99]. Press the button. Move on to reset to default settings. Reset to default settings Press the button to select reset to default settings.

  • Page 59: Other Settings

    Other Settings ○Snap shot function The current pressure value can be stored to the switch output ON/OFF set point. When the items of sub display (left) below are selected in 3 step setting mode, simple setting mode or function selection mode ([F 1] Setting of OUT1, [F 2] Setting of OUT2), by pressing the buttons simultaneously for 1 second or longer, the value of the sub display (right) shows [- - -], and the values corresponding to the current pressure values are automatically displayed.
  • Page 60 ○Key-lock function The key-lock function is used to prevent errors occurring due to unintentional changes of the set values. If button is pressed while the keys are locked, [LoC] is displayed on the sub display (left) for approximately 1 second. (Each setting and peak/bottom values are displayed with buttons.
  • Page 61 <Operation – With security code input -> •Locking (1) Press the button for 5 seconds or longer in measurement mode. When [oPE] is displayed on the main display, release the button. The current setting [LoC] or [UnL] will be displayed on the sub display. (2) Select the key [LoC] with button, and press the button to set.
  • Page 62 ●How to input and change the security code The left most digit starts flashing. Press the button to select a value. Press the button to make the next digit to the right flash. (If the button is pressed at the last digit, the first digit will start flashing.) After the setting is complete, Press and hold the button...

  • Page 63: Io-Link Specifications

    IO-Link Specifications ■Outline of IO-Link functions ○Communication function This product can check the pressure measurement value, diagnostic information and switch output status using cyclic data communication via the IO-Link system. ○Product status monitoring function This function monitors the product status via the IO-Link communication. •Detects the error status (internal hardware error, OUT2 short-circuit).

  • Page 64: Process Data

    ■Process data Process data is the data which is exchanged periodically between the master and device. This product process data consists of switch output status, error diagnostics and pressure gauge measurement value. (Refer to the table below.) Bit offset Item Notes OUT1 output 0: OFF 1: ON...
  • Page 65 ○Unit specification and pressure gauge measurement value (PD) Series Unit Rated pressure range Display/settable range ∗ -0.100 1.0000 -0.105 1.050 -100 1000.0 -105 1050 kgf/cm -1.02 10.197 -1.07 10.71 ISE20B -1.00 10.000 -1.05 10.50 -14.5 145.04 -15.2 152.3 ∗ Pressure gauge measurement value (PD) 5000 5200 -0.1010...
  • Page 66 ○Conversion formula of the process data and pressure gauge measurement value (1) Conversion formula from the process data to the pressure gauge measurement value: Pr = a × (PD) + b (2) Conversion formula from the pressure gauge measurement value to the process data: (PD) = (Pr –...

  • Page 67: Io-Link Parameter Setting

    The IODD file is shown below. ∗1 Product No. IODD file ISE20B-L(-M)-∗ SMC-ISE20B-L-yyyymmdd-IODD1.1 ISE20B-L-P-∗ SMC-ISE20B-L-P-yyyymmdd-IODD1.1 ZSE20B-L(-M)-∗ SMC-ZSE20B-L-yyyymmdd-IODD1.1 ZSE20B-L-P-∗ SMC-ZSE20B-L-P-yyyymmdd-IODD1.1 ZSE20BF-L(-M)-∗ SMC-ZSE20BF-L-yyyymmdd-IODD1.1 ZSE20BF-L-P-∗ SMC-ZSE20BF-L-P-yyyymmdd-IODD1.1 ∗1: "yyyymmdd" indicates the file preparation date. yyyy is the year, mm is the month and dd is the date.
  • Page 68 ●ISDU parameters Index Access Parameters Initial value Remarks ∗1 (dec) index 0x0002 Refer to "System command" System command on page 67. 0x000C Refer to "Device access lock 0x0000 Device access lock (12) parameters" on page 68. 0x0010 SMC Corporation Vendor name (16) 0x0011 www.smcworld.com...
  • Page 69 ●Device access lock parameters (index 12) The contents are as follows. Data type: 16 bit Record Value (dec) Contents 0x0000(0) Key lock release, DS unlock (Initial value) 0x0002(2) Key lock release, DS lock 0x0008(8) Key lock, DS unlock 0x000A(10) Key lock, DS lock [Key lock] This function prevents the user from physically changing the setting of the pressure switch (button operation is not accepted).
  • Page 70 (dec) ∗2 ∗3 Setting of display unit ISE20B-L(-M): 0 0: MPa ISE20B-L-P: 4 1: kPa Unit 0x03E8 ZSE20B-L(-M): 1 2: kgf/cm (Selection of (1000) ZSE20B-L-P: 4 3: bar display unit) ZSE20BF-L(-M): 1 4: psi ZSE20BF-L-P: 4 5: incHg (ZSE20B(F) only)
  • Page 71 ●Product individual parameters (continued) Data Date Index Access Initial value Parameter storage type Remarks ∗1 (dec) index (dec) ∗2 ∗3 Setting of OUT1 output normal and (Selection of 0x03F3 0x00 reserved output OUT1 (1011) 0: 1_P (Normal output) normal/reversed 1: 1_n (Reserved output) output mode) Setting of OUT1 output set value ISE20B: 0x0BB8...
  • Page 72 ●Product individual parameters (continued) Data Date Index Access Initial value Parameter storage type Remarks ∗1 (dec) index (dec) ∗2 ∗3 Setting of OUT1 output set value P1H(n1H) (upper limit of window comparator) ISE20B: 0x0D48 (Setting of Setting range (3400) ISE20B: 0x0244 ~ 0x1450 OUT1 output 0x03F7 ZSE20B: 0x0D48...
  • Page 73 ●Product individual parameters (continued) Data Date Index Access Initial value Parameter storage type Remarks ∗1 (dec) index (dec) ∗2 ∗3 Setting of OUT2 output set value ISE20B: 0x0BB8 Setting range (3000) ISE20B: 0x0244 ~ 0x1450 P_2(n_2) 0x03FE ZSE20B: 0x0BB8 (580 ~ 5200) (Setting of (1022) (3000)
  • Page 74 ●Product individual parameters (continued) Data Date Index Access Initial value Parameter storage type Remarks ∗1 (dec) index (dec) ∗2 ∗3 Setting of OUT2 delay time at ON dtH2 0x0403 0x0000 Setting range (OUT2 delay (1027) 0x0000 ~ 0x1770 time at ON) (0 ~ 6000) 0.01 s increment Setting of OUT2 delay time at OFF dtL2...
  • Page 75 ●Product individual parameters (continued) Data Date Index Access Initial value Parameter storage type Remarks ∗1 (dec) index (dec) ∗2 ∗3 0x071C Line name Refer to Figure "1st letter (11seg) (1820) 1st letter of Line name communication data". 0x071D Line name (1821) 2nd letter Refer to Figure "2nd to 4th letter...
  • Page 76 ●Product individual parameters (continued) Data Date Index Access Initial value Parameter storage type Remarks ∗1 (dec) index (dec) ∗2 ∗3 Number of 0X07D4 0 ~ 1000 pressurizing (2004) errors ∗1: "R" means Read and "W" means Write. ∗2: "Y" indicates that the parameter setting data is saved to the master, and "N" indicates that the parameter is not saved. ∗3: Refer to the table below for the symbol.
  • Page 77 [Selection of display items during standard setting] Value Setting content Supplemental information HYS mode set value HYS mode hysteresis Wind mode lower side set value OUT1 Wind mode upper side set value Wind mode hysteresis Err mode When the value which does not match the OUT∗ output oFF mode mode setting is written, acknowledgment is sent and HYS mode set value...
  • Page 78 Line name: Communication data 1st letter (11 seg) Line name: Communication data 2nd to 4th letter (7 seg) -77- No.PS※※-OMV0006-D...

  • Page 79: Maintenance

    Maintenance How to reset the product after a power cut or forcible de-energizing The setting of the product will be retained as it was before a power cut or de-energizing. The output condition is also basically recovered to that before a power cut or de-energizing, but may change depending on the operating environment.

  • Page 80: Troubleshooting

    Troubleshooting ○Troubleshooting Applicable pressure switch: ZSE20B(F)/ISE20B When any failure occurs with this product, the following chart can be used to identify the cause of the failure. If a cause applicable to the troubles cannot be identified and normal operation is recovered by replacement with a new product, this indicates that the product itself was faulty.
  • Page 81 The display is Refer to Trouble No.7 Displayed value is not unstable. correct Refer to Trouble No.8 The display turns OFF. Refer to Trouble No.8 The display is missing. Refer to Trouble No.9 Display flashes. There are differences in the displayed values Refer to Trouble No.10 when using more than one pressure switch.
  • Page 82 ○Troubleshooting list Problem Problem possible Problem Investigation method Countermeasures causes •Output remains (1) Check the set pressure. (2) Check the operation mode, (1) Reset the pressure Indicator LED Incorrect hysteresis and output type. setting. remains ON. pressure setting (hysteresis mode/window (2) Reset the function •Output remains comparator mode,...
  • Page 83 Problem Problem possible Problem Investigation method Countermeasures causes (1) Check that the switch output load current is not more than 80 mA. (1), (2) Connect the load as (2) Check that the connected load specified. satisfies the specifications, and (3) Use a relay with a surge check the load for short circuits.
  • Page 84 Problem Problem possible Problem Investigation method Countermeasures causes Check that the power supply voltage Incorrect power Supply the correct voltage of is within the range 12 to 24 VDC supply 12 to 24 VDC ±10%. ±10%. Check the wiring to the power supply. Check that the brown and blue wires Incorrect wiring are connected to DC(+) and DC(-)
  • Page 85 Problem Problem possible Problem Investigation method Countermeasures causes Install a 5 µm filter to prevent foreign matter from entering Check if any foreign matter has Foreign matter the piping port. Also, clean entered the piping port. the filter regularly to prevent drainage deposits.
  • Page 86 Problem Problem possible Problem Investigation method Countermeasures causes Effect of line pressure fluctuation (1) Check the pressure (1) Check the set pressure values because setting. (hysteresis) hysteresis is too (2) Reset the function (2) Check the delay time. narrow or delay settings.
  • Page 87 ○Troubleshooting (IO-Link communication function) IO-Link indicator light The IO-Link function Refer to Trouble No.1 : OFF is OFF. COM: OFF IO-Link indicator light Refer to Trouble No.2 : Flashing COM: OFF IO-Link indicator light Refer to Trouble No.3 : Flashing COM: ON IO-Link indicator light : ON...
  • Page 88 ○Troubleshooting list (IO-Link communication) Problem Problem Problem Investigation method Countermeasures possible causes Description Check the connection of incorrect wiring Correct the cable wiring. IO-Link indicator the connector. light ― Power supply Check the power supply : OFF Supply 18 to 30 VDC to error from the voltage from the IO-Link COM: OFF...
  • Page 89 ○Error indication function This function is to display error location and content when a problem or error has occurred. Error Error displayed Description Measures The load current applied to the switch Turn the power off and remove the Over current output has exceeded the maximum cause of the over current.

  • Page 90: Specifications

    Specifications ZSE20B-L ZSE20BF-L ISE20B-L Product No. (Vacuum pressure) (Compound pressure) (Positive pressure) Applicable fluid Air, non-corrosive gas and non-flammable gas Rated pressure range 0.0 to -101.0 kPa -100.0 to 100.0 kPa -0.100 to 1.000 MPa Display/Set pressure range 10.0 to -105.0 kPa -105.0 to 105.0 kPa...
  • Page 91 ZSE20B ZSE20BF ISE20B Product No. (Vacuum pressure) (Compound pressure) (Positive pressure) Enclosure IP65 Withstand voltage 1000 VAC for 1 minute between terminals and housing 50 MΩ or more between terminals and housing (with 500 VDC megger) Insulation resistance Operation: -5 to 50 C, Storage: -10 to 60 Ambient temperature range (No condensation or freezing)
  • Page 92 Available Event function Available Vendor ID 131 (0x0083) ISE20B-L(-M)-∗: 334 (0x014E) ISE20B-L-P-∗: 335 (0x014F) ZSE20B-L(-M)-∗: 336 (0x0150) Device ID ZSE20B-L-P-∗: 337 (0x0151) ZSE20BF-L(-M)-∗: 338 (0x0152) ZSE20BF-L-P-∗: 339 (0x0153) ∗6: The configuration file can be downloaded from the SMC website, https://www.smcworld.com -91- No.PS※※-OMV0006-D...

  • Page 93: Dimensions

    ■Dimensions M5 type 01/N01 type Piping specifications Port size R1/8 Width across flats 10 NPT1/8 Width across flats 12 -92- No.PS※※-OMV0006-D...
  • Page 94 ○Bracket mounting dimensions ●Bracket A ●Bracket B -93- No.PS※※-OMV0006-D...
  • Page 95 ○Mounting dimensions of panel mount adapter ○Mounting dimension of panel mount adapter + Front protective cover -94- No.PS※※-OMV0006-D...
  • Page 96 ○Panel cutout dimensions Mount individually More than 2 pcs. (n pcs.) Close mounting <Horizontal> <Vertical> -95- No.PS※※-OMV0006-D...
  • Page 97 Revision history A: Contents revised in several places. [June 2018] B: Contents revised in several places. [February 2020] C: Modified errors in text. [June 2020] D: Contents revised in several places. [January 2022] 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 JAPAN Tel: + 81 3 5207 8249 Fax: +81 3 5298 5362 https://www.smcworld.com Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer.

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