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Any modifications to or abridgments of the document are prohibited without explicit writ- ten agreement from J. Schmalz GmbH. J. Schmalz GmbH · Johannes-Schmalz-Str. 1 · 72293 Glatten, Germany · T: +49 7443 2403-0 schmalz@schmalz.de 2 / 42...
Contents Contents 1 Important Information ........................... 5 Note on Using this Document ...................... 5 The technical documentation is part of the product ................ 5 Type Plate ............................ 5 Warnings in This Document........................ 5 Symbol.............................. 6 2 Fundamental Safety Instructions........................ 7 Intended use ............................ 7 Non-Intended Use ..........................
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Contents 6.15 Forced Output Function........................ 33 6.16 Reset to the Default Setting ...................... 34 6.17 Pressure Zero Adjustment Function .................... 34 6.18 Instantaneous Flow Zero Adjustment Function ................ 34 6.19 Reset Accumulated Flow Function .................... 35 6.20 Peak Value Display .......................... 35 6.21 Bottom Value Display........................
ð Failure to follow the instructions in these Operating instructions may result in injuries! ð Schmalz is not liable for damage or malfunctions that result from failure to heed these instructions. If you still have questions after reading the technical documentation, contact Schmalz Service at: www.schmalz.com/services...
Important Information 1.5 Symbol This symbol indicates useful and important information. ü This symbol represents a prerequisite that must be met prior to an operational step. 4 This symbol represents an action to be performed. ð This symbol represents the result of an action. Actions that consist of more than one step are numbered: 1.
Intended use includes the observance of the technical data and the installation and operating instructions in this manual. 2.2 Non-Intended Use Schmalz accepts no liability for damages caused by the use of the Vacuum/pressure switch for purposes other than those described under "Intended Use." Non-intended use includes the following: •...
Product Description 3.3 Design of the flow sensor Lead Wire Connector Connector SETTING BUTTON LCD Display Use for selection each mode and set value confirmation UP-BUTTON DOWN-BUTTON Use for mode selection, ON/OFF switching Use for mode selection, ON/OFF switching and set value adjustment and set value adjustment Identification Plate Piping Port (Outlet side)
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Product Description Pressure definition with selected display unit depending on the vacuum switch version: Selected unit Display definition for variant Display definition for variant VS-V... VS-P10... — — 0.001 kgf/cm 0.001 0.01 0.001 0.01 0.01 inHg — mmHg — 10 / 42 EN-US ·...
Product Description 3.5 Function Instuction 3.5.1 Function Setting Mode Function Item Default setting Explanation Code ovt 1 [oVt1] OUT1 setting [oVt1] OUT1 sensor correspondence ] OUT1 output Select Output 1 corre- [F-01] mode sponding to flow sen- sor or pressure sensor. [ovt1] OUT1 output Set the flow rate or type pressure value to...
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Product Description vpda Display refresh cycle [F-05] [vpda] Display refresh can be set in 200ms, time selection 500ms or 1000ms. [vpda] Flow/Pressure sensor selection 500(ms) [vpda] Display refresh time of flow sensor selec- tion vnit Select the UNIT of [F-06] [vnit] Unit selection pressure / flow sensor.
Technical Data CFM (ft /min * 10 ) and ft Outlet flow rate = 0 L/min, 25 °C. CONDITION : Inlet Pressure: 300 kPa , Outlet PWM output, corresponding to pressure sensor 0 Pressure: 1 atmospheric pressure, 25 °C. - 1000 kPa. CONDITION: Outlet Pressure: 1 atmospheric pres- This function only available for Output Specifica- sure, 25 °C.
Installation 5 Installation 5.1 Installation Instructions • Do not use near a surge voltage generated area. Solenoid lifters, high frequency Induction furnaces and motors, etc. can generate high surge voltages, if using near the sensor will cause the internal circuit components to deteriorate and cause damages. •...
Installation When measuring the pressure of the outlet side, install a throttle valve or solenoid valve on the inlet side. 5.2 Mounting Bracket / Optional Parts Do not mount the sensor in a place that will be used as a foothold. The product may damage if sit or step on it accidentally.
Installation 2. Mounting screws. 5.3 Piping Install the pipe by following the arrow indication that shows the air flow direction on the product. Flow direction Use straight piping 8 cm or longer to connect the Piping Port (Inlet side). If straight piping is not installed, the accuracy may vary by ±...
Installation Blow the air to flush out the foreign matters, dust and etc. before installing the pipe. Uncleaned air may cause malfunction or damage to the product. Caution When mounting the fitting, a wrench should be used on the metal part. Using on other parts of the product with a wrench may damage the product.
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Installation • NPN Output / Analog Voltage Output / External Input • PNP Output / Analog Voltage Output / External Input Pin No. Line color Content Brown Power supply (DC 12 to 24 V DC) Orange Analog voltage output: 1 ~ 5 V Analog current output: 4 ~ 20 mA Yellow External input...
Operation Instructions 6 Operation Instructions After power is supplied, the output will remain off until the display is turned on. Please operate the sen- sor after the value is shown. Stop the control systems before perform setting chnages. During the initial flow and pressure setting, the product will swich the output according to the existing settings until the changes are complete.
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Operation Instructions 5. Press button to select output mode of OUT1 (4 output modes included). XY5 = Hysteresis Mode = Window Comparator Mode Add = Accumulated Output Mode pl5 = Accumulated Pulse Output Mode NOTE: The Accumulated Pulse Output Mode can only be set in OUT 1, and OUT2 does not have this setting.
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Operation Instructions 2. Pressure sensor setting 1. Press button at "Function Setting Mode" to display [F-01] [ovt1]. 2. Press button to switch to "Sensor Selec- tion" (oVt1 - selected output). 3. Press button to select pressure sensor of OUT 1. 4.
Operation Instructions NOTE: • In case hysteresis is set at less than or equal to 2 digits, switch output may chatter If Input pressure fluctuates near the set point. • When using window comparator mode, the difference between two set points must be greater than the fixed hysteresis, otherwise will cause the switch output to malfunction.
Operation Instructions 6.7 Unit Selection [F-06] Select the flow unit and pressure unit of the sensor. 1. Press button at "Function Selec- tion Mode" to display [F-06] [vnit]. 2. Press button to switch to "Flow Unit Selec- tion". 3. Press button to select flow unit. 2 flow unit selections include: LPM(L/min), CFM(ft /min*10...
Operation Instructions 6.9 Analog Output Selection [F-08] Select the analog output signal is for flow sensor or pressure sensor. 1. Press button at "Function Selec- tion Mode" to display [F-08] [ ang]. 2. Press button to switch to "Sensor Selec- tion". 3.
Operation Instructions 6. Press button to return to "Measurement Mode". 2. Fine adjustment of pressure value 1. Press button at "Function Selec- tion Mode" to display [F-94] [ fine]. 2. Press button to switch to "Fine Adjustment Setting". 3. Press button to select fine adjust- ment OFF or to set fine adjustment instanta- neous flow rate value or pressure value.
Operation Instructions 5. Press button to setting OUT 2. OUT2 OFF = [off] OUT2 ON = [on] 6. Press button to return to "Function Selec- tion Mode". 6.16 Reset to the Default Setting [F-99] The factory default settings can be restored. 1.
Operation Instructions 6.19 Reset Accumulated Flow Function Accumulate flow value return to zero. ü Sensor is at measurement mode (Accumulated flow value mode). 1. Press simultaneously over 3 sec. until display zero. 2. Release holding the buttons to return mea- surement mode. ð...
Operation Instructions 6.22 Key Lock / Unlock Mode To prevent errors occurring due to unintentional changes of the set values. If a button operation is per- formed while the key lock setting is ON, [Loc] [on] is displayed for 1 sec. ü...
Troubleshooting 8 Troubleshooting 8.1 Specific Internal Voltage drop Observed the internal voltage drop. When used at a specified voltage, if the sensor is functional but the load does not work, please check if the operating voltage of the load meets the following formula. Power Supply —...
Maintenance Precautions 9 Maintenance Precautions 1. The accuracy could change by 2 to 3 % when the piping is removed or replaced. 2. Do not insert a stick or wire into the piping ports. 3. Do not touch the terminals or connectors when power is on. EN-US ·...
EC Declaration of Conformity 10 EC Declaration of Conformity The manufacturer Schmalz confirms that the lifting device described in these operating instructions fulfills the following applicable EC directives: 2014/30/EU Electromagnetic Compatibility 2011/65/EU RoHs Directive The following harmonized standards were applied: EN 61000-6-4+A1...
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