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SMC Networks ISE70 AB Series Operation Manual

High-precision digital pressure switch
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No.PS※※-OMW0002-D
PRODUCT NAME
High-precision Digital Pressure Switch
MODEL / Series / Product Number
ISE70-#-AB
ISE71-#-AB

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Summary of Contents for SMC Networks ISE70 AB Series

  • Page 1 No.PS※※-OMW0002-D PRODUCT NAME High-precision Digital Pressure Switch MODEL / Series / Product Number ISE70-#-AB ISE71-#-AB...

  • 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 and switch output specifications 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. •Be sure to ground terminal FG when using a commercially available switch-mode power supply. •Do not drop, hit or apply shock to the Pressure switch.
  • Page 8 •Do not use in an area where surges are generated. If there is equipment which generates a large amount of surge (solenoid type lifter, high frequency induction furnace, motor, etc.) close to the Pressure switch, this may cause deterioration or breakage of the internal circuit of the Pressure switch.

  • Page 9: Model Indication And How To Order

    Model Indication and How to Order ○Accessories/Part numbers If an option is required independently, order with the following part numbers. Items Part No. Remarks With 2 mounting screws M4 x 6 Bracket A ZS-50-A Bracket B ZS-50-B With 2 mounting screws M4 x 6 ZS-31-B Straight: 5 m Lead wire with M12 connector...

  • Page 10: Summary Of Product Parts

    Summary of Product parts ○Names of individual parts •Body Power supply/ output connectors: Connects the power supply/ output lead wire. Operation/Display: Refer to the table below. •Operation Display Operation light: Displays the switch operating condition. Main display: Displays pressure measurement values and error codes. (2-colour display) Sub display (left): Displays items.

  • Page 11: 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 12 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 13 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 14: Mounting And Installation

    Mounting and Installation ■Installation ○Mounting with bracket ●Mount the bracket to the body with mounting screws (Cross recessed round head screw: Nominal size M4 x 6L (2 pcs.)), then set the body to the specified position. : Tighten the bracket mounting screws to a torque of 0.76±0.1 N•m. •Bracket A (Part No.: ZS-50-A) •Bracket B (Part No.: ZS-50-B) -13-...

  • Page 15: Piping

    ■Piping ●Piping specification: -02 and -N02 After hand tightening, tighten the fitting using a spanner on the flat surfaces of the fitting. The tightening torque must be 8 to 12 N•m. ●Piping specification: -F02 After hand tightening, tighten the fitting using a spanner on the flat surfaces of the fitting. The tightening torque must be 4 to 5 N•m.
  • Page 16 •The upper part (display) of the product can be rotated by 336°. Rotating the display with excessive force will damage the end stopper. 336° rotation -15- No.PS※※-OMW0002-D...

  • Page 17: Wiring

    ■Wiring •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 18 ○Wiring examples Setting of NPN open collector 2 outputs Setting of PNP open collector 2 outputs : Numbers in the figures show the connector pin layout. -17- No.PS※※-OMW0002-D...

  • Page 19: Outline Of Settings [Measurement Mode]

    Outline of Settings [Measurement mode] Power is supplied The product code is displayed for approximately 3 seconds after power is supplied. Then, measurement mode will be displayed. : Within approximately 0.2 seconds after power-on, the switch starts. [Measurement mode] Detects the pressure after power is supplied, and indicates the display and switch operating status. This is the basic mode;...

  • Page 20: 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 21: 3-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 22 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 20. (When reversed output is selected, the sub display (left) shows [n1L] and [n1H].) Please refer to the "List of output modes"...

  • Page 23: 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 SET button for 1 and 3 seconds in measurement mode. [SEt] is displayed on the main display.
  • Page 24 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 dtH/dtL (delay time) following the instructions given on page 22. (When reversed output is selected, the sub display (left) shows [n1L] and [n1H].) Please refer to the "List of output modes"...

  • Page 25: Function Selection Mode

    Function Selection Mode ■Function selection mode In measurement mode, press the SET button for 3 and 5 seconds, to display [F 0]. Select to display the function to be changed [F□□]. Press and hold the SET button for 2 seconds or longer in function selection mode to return to measurement mode.
  • Page 26 ●[F 2] Setting of OUT1 Page Item Explanation Default setting Either hysteresis mode, window comparator mode, error output or Output mode Hysteresis mode switch output OFF can be selected. Reversed output Selects which type of switch output is used, normal or reversed. Normal output ISE70: 0.500 MPa Pressure setting...

  • Page 27: F 0 Display Units And Switch Output Specifications Function

    ■[F 0] Display units and switch output specifications function This setting is only available for models with the units selection function. <Operation> Press the UP or DOWN button in function selection mode to display [F 0]. Press the SET button. Move on to display unit setting.

  • Page 28: 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 product when the pressure reaches the center of the atmospheric pressure and upper limit of the rated pressure range.
  • Page 29 Hysteresis setting Set the pressure referring to the setting method on page 20. Hysteresis mode: [H_1] Window comparator mode: [WH1] The snap shot function can be used. (Refer to page 53) Press the SET button to set. Move on to delay time setting. Delay time setting Set the delay time referring to the setting method on...
  • Page 30 ●List of output modes : The applicable errors are Er6, 8, 9 as well as Er1 or 2 (excluding the error output). 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 31: F 2 Setting Of Out2

    ■[F 2] Setting of OUT2 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 product when the pressure reaches the center of the atmospheric pressure and upper limit of the rated pressure range.
  • Page 32 Hysteresis setting Set the pressure referring to the setting method on page 20. Hysteresis mode: [H_1] Window comparator mode: [WH1] The snap shot function can be used. (Refer to page 53) Press the SET button to set. Move on to delay time setting. Delay time setting Set the delay time referring to the setting method on...

  • Page 33: 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 34: 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 UP or DOWN button in function selection mode to display [F 4]. Press the SET button.
  • Page 35 ●Auto-preset When auto-preset is selected in function selection mode, the set value can be calculated and memorized from the measured pressure. Using this function is possible to automatically determine the optimum set value based on the variation in measured pressure due to the repeated operation of the device. (1) Selection of auto-preset OUT1 mode Press the SET button in measurement mode to display [AP1 REdY].

  • Page 36: 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 UP or DOWN button in function selection mode to display [F 6]. Press the SET button.

  • Page 37: F10 Sub Display Setting

    ■[F10] Sub display setting Change the display style of the sub display. Detailed contents are shown in the pages from 37. <Operation> Press the UP or DOWN button in function selection mode to display [F10]. Press the SET button. Move on to sub display setting. Sub display setting Press the UP or DOWN button to select the display style for the sub display.
  • Page 38 <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 pressing the UP or DOWN button in measurement mode. (Hysteresis mode, error output, switch output off) (Window comparator mode) -37-...
  • Page 39 •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 40 Table showing the output mode and output form when Md1 and Md2 are selected. Output mode Output style Display style Normal output Hysteresis mode Reversed output Normal output Window comparator mode Reversed output Error output Normal/Reversed output ― Switch output off When using the 2 value display function, 3 step setting is not available for the display.
  • Page 41 •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 42 During an error output or when the switch 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 Other than compound pressure Compound pressure •Character string display •Function to display the specified character string on the sub-screen.

  • Page 43: 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 UP or DOWN button in function selection mode to display [F11]. Press the SET button. Move on to display resolution setting. Display resolution setting Press the UP or DOWN button to select the display resolution.

  • Page 44: 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 45: 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 product will shift to power saving mode. <Operation> Press the UP or DOWN button in function selection mode to display [F80]. Press the SET button.

  • Page 46: 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 UP or DOWN button in function selection mode to display [F81]. Press the SET button. Move on to security code. Security code Press the UP or DOWN button to select the setting of security code.
  • Page 47 Security code changing Press the UP or DOWN 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 57. After entry, the changed security code will flash by pressing the SET button for 1 second.

  • Page 48: F90 Setting Of All Functions

    ●Special function setting ■[F90] Setting of all functions All functions can be set in turn. <Operation> Press the UP or DOWN button in function selection mode to display [F90]. Press the SET button. Move on to setting of all functions. Setting of all functions Press the UP or DOWN button to select all functions.
  • Page 49 ●Setting of each function Order Function Display unit selection Switching setting of switch output NPN/PNP specifications 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 colour setting Output mode setting of OUT2...

  • Page 50: F96 Number Of Pressurizing Error

    ■[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 UP or DOWN button in function selection mode to display [F96]. Press the SET button. Move on to number of pressurizing errors Number of pressurizing errors : The maximum number of pressurizing error is 1000 counts.

  • Page 51: 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 UP or DOWN button in function selection mode to display [F98]. Press the SET button. Move on to output check. Output check Press the UP or DOWN button to select output check.
  • Page 52 OUT2 output check Press the UP or DOWN button to select OUT2 output check. Press the SET button to return to [n] (Normal output), then press the SET button to set. Return to function selection mode. [F98] Output check completed : Measurement mode can return from any setting item by pressing the SET button for 2 seconds or longer.

  • Page 53: 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 UP or DOWN button in function selection mode to display [F99]. Press the SET button. Move on to reset to default settings. Reset to default settings Press the UP or DOWN button to display [ON], then press the SET and DOWN buttons simultaneously for 5 second or longer.

  • Page 54: 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 UP and DOWN buttons simultaneously for 1 second or longer, the value of the sub display (right) shows [- - -], and then values corresponding to the current pressure values are automatically displayed.
  • Page 55 ○Key-lock function The key-lock function is used to prevent errors occurring due to unintentional changes of the set values. If the SET button is pressed while the keys are locked, [LoC] is displayed on the sub display (right) for approximately 1 second. (Each setting and peak/bottom values are displayed with UP and DOWN buttons.) <Operation - Without security code input ->...
  • Page 56 <Operation – With security code input -> •Locking (1) Press the SET 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 UP or DOWN button, and press the SET button to set.
  • Page 57 •Unlocking (1) Press the SET 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 un-locking [UnL] with UP or DOWN button. Setting is recognized by pressing the SET button, then security code is required.
  • Page 58 ●How to input and change the security code The left most digit starts flashing. Press the UP or DOWN button to select a value. Press the SET button to make the next digit to the right flash. (If the SET button is pressed at the last digit, the first digit will start flashing.) After the setting is complete, Press and hold the SET button for 1 second or longer.

  • Page 59: 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 60: Troubleshooting

    Troubleshooting ○Troubleshooting 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. Problems with the product may be due to the operating environment (installation etc).
  • Page 61 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 product.
  • Page 62 ○Troubleshooting list Problem Problem possible Problem Investigation method Countermeasures causes •The switch (1) Check the set pressure value. output does not (2) Check the settings of the (1) Adjust the set pressure turn OFF. operation mode, hysteresis and value. The operation Incorrect output type.
  • Page 63 Problem Problem possible Problem Investigation method Countermeasures causes (1) Check if the current applied to the output has exceeded the (1)(2) Connect the maximum value. appropriate load. (2) Check if the connected load (3) Use a relay with a surge Excess current complies with the specification.
  • Page 64 Problem Problem possible Problem Investigation method Countermeasures causes Incorrect power Check if the power supply voltage is Supply power in the range supply in the range 12 to 24 VDC ±10%. 12 to 24 VDC ±10%. •The display Check the power supply wiring. Check if the brown and blue wires are turns OFF.
  • Page 65 Problem Problem possible Problem Investigation method Countermeasures causes Key-lock mode is Check if the key-lock function is Check the key-lock function. Buttons do not activated turned on. work. Product failure Replace the product. Effect of line pressure fluctuation (1) Adjust the set pressure (1) Check the set pressure values because value.
  • Page 66 ○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 67: Specifications

    Specifications Product No. ISE70 ISE71 Applicable fluid Air, non-corrosive gas and non-flammable gas Rated pressure range 0 to 1.000 MPa 0 to 1.600 MPa Display/set pressure range -0.105 to 1.050 MPa -0.105 to 1.680 MPa Display/min. set unit 0.001 MPa Proof pressure 1.5 MPa 2.4 MPa...
  • Page 68 Product No. ISE70 ISE71 Enclosure IP67 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: 0 to 50 Ambient temperature range Storage: -10 to 60 C (No condensation or freezing) Operating humidity range Operation, Storage: 35 to 85%RH (No condensation)

  • Page 69: Dimensions

    ■Dimensions •Dimensions of main unit -68- No.PS※※-OMW0002-D...
  • Page 70 •Bracket A •Bracket B -69- No.PS※※-OMW0002-D...
  • Page 71 ○Lead wire with M12 connector •ZS-31-B •ZS-31-C ○Cable specifications Nominal crosssection area AWG23 Conductor Outside diameter 0.72 mm Material Crosslinked vinyl chloride Insulator Outside diameter 1.14 mm Colours Brown, Blue, Black, White Sheath Material Oil resistant vinyl chloride 4 Finished outside diameter Length -70- No.PS※※-OMW0002-D...
  • Page 72 Revision history A: Contents revised in several places. [October 2018] B: Contents revised in several places. [March 2020] C: Contents revised in several places. [January 2022] D: Contents revised in several places. [June 2023] 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:...

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