SMC Networks ZL112A Series Operating Manual Download Page 32

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Document No.ZL-OM01001

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Revision history

4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 JAPAN
Tel: + 81 3 5207 8249 Fax: +81 3 5298 5362
URL

http://www.smcworld.com

Note:

Specifications are subject to change without prior notice and any obligation on the part of the manufacturer.

Summary of Contents for ZL112A Series

Page 1: ...Document No ZL OM01001 PRODUCT NAME Multistage Ejector MODEL Series Product Number ZL112A Series ...

Page 2: ...ir Supply 11 Piping 12 Electrical wiring 14 Solenoid valve 15 Vacuum pressure switch 15 Construction 16 Maintenance and Inspection 17 Exhaust from ejector 21 Specifications 22 Circuit diagram 24 Exhaust characteristics flow characteristics time required to reach the specified vacuum release flow characteristics 25 Flow characteristics curve 26 Troubleshooting 27 ...

Page 3: ...ew all specifications of the product referring to its latest catalog information with a view to giving due consideration to any possibility of equipment failure when configuring the equipment 2 Only personnel with appropriate training should operate machinery and equipment The product specified here may become unsafe if handled incorrectly An operator who is appropriately trained and experienced m...

Page 4: ...or replacement parts Please consult your nearest sales branch 2 For any failure or damage reported within the warranty period which is clearly our responsibility a replacement product or necessary parts will be provided This limited warranty applies only to the SMC product independently and not to any other damage incurred due to the failure of the product 3 Prior to using SMC products please read...

Page 5: ...ntence next to the symbol Operator 1 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 2 Read and understand this Operation Manual carefully before assembling operating or providing mai...

Page 6: ...not Do not use the product in a place where static electricity is a problem Otherwise failure or malfunction of the system can result Do not Do not cut off the power and compressed air supplied to this product while it is operating Otherwise it can cause injury due to dropping of workpieces or damage to the system Instruction If using the product in an interlocking circuit Provide a double interlo...

Page 7: ...ction of the workpiece or the pressure switch settings Perform sufficient verification before using this product Instruction After maintenance is complete perform appropriate functional inspections and leak test Stop operation if the equipment does not function properly or there is leakage of fluid If there is leakage from parts other than the piping the product might be broken Cut off the power s...

Page 8: ...Document No ZL OM01001 7 Model Indication and How to Order ...

Page 9: ...Vacuum port adapter With port exhaust With digital vacuum pressure switch With Vacuum pressure gauge With Vacuum port adapter Exhaust port Vacuum pressure detection port Supply P Port Vacuum V Port Suction cover Silencer case Exhaust Without valve Release valve Supply valve Vacuum break flow adjusting needle Lock nut ...

Page 10: ...unlight Shade the sunlight in locations where the product is exposed to direct sunlight Failure and malfunction can result Do not use in a location where the product is exposed to radiant heat from surrounding heat sources This can cause operating failure Do not use the product in an area where surge is generated When there are machines or equipment that generate large surge near the pressure swit...

Page 11: ...re detection port and exhaust port in a bending or pulling direction This can damage this product 6 Do not pull the lead wire forcefully or lift the product by the lead wire Lead wire tensile strength within 30N Hold the product body when handing 7 Do not obstruct the exhaust port of the ejector Do not cover the exhaust port Otherwise vacuum is not generated Do not block the exhaust port to releas...

Page 12: ...contains excessive moisture or carbon powder it can stick to the vacuum parts the nozzle diffuser inside of the solenoid valve or the pressure switch and cause a decrease in performance or operation failure An air dryer mist separator and filter should be installed upstream from filters If condensation in the drain bowl and air filter is not emptied on a regular basis the bowl will overflow and al...

Page 13: ...cautions from 1 to 4 shown in Best Pneumatics 6 on SMC s website URL http www smcworld com for the recommended piping conditions Piping to the Exhaust Port Vacuum Port Adapter Piping to the Exhaust Port When mounting or removing the piping to or from the exhaust port hold the exhaust block with a wrench across the flats 36 Recommended tightening torque 20 to 25 N m The product may break if it is h...

Page 14: ...fter the tube is connected Also allow a sufficient margin of tube length 2 Hold the tube and push it in slowly inserting it securely all the way into the fitting 3 After inserting the tubing pull on it gently to confirm that it will not come out If it is not installed securely all the way into the fitting problems such as leakage or disconnection of the tube can occur 2 Removal of the tube 1 KQ2 s...

Page 15: ... 7 Do not perform wiring while the power is on Otherwise damage to the solenoid valve or the internal parts of the pressure switch sensor can result causing malfunction 8 Do not attempt to insert or pull out the connector from the pressure switch while the power is on This may cause switch output malfunction 9 Malfunctions stemming from noise may occur if the wire is installed in the same route as...

Page 16: ... the power supply on If the power supply is turned on with no load over current may flow causing the pressure switch to break instantly 2 Do not short circuit the load An error is displayed when the load of the pressure switch is short circuited but over current may flow causing damage to the pressure switch 3 Do not press the setting buttons with a sharp pointed object This may damage the setting...

Page 17: ... Steel For silencer exhaust Port block assembly Clip included Aluminum alloy NBR Steel For port exhaust 4 Ejector assembly Resin NBR Fluororubber 5 Valve plate assembly Needle is included for models with release valves Resin NBR HNBR Steel 6 Vacuum break flow adjusting needle Brass Electroless nickel plating Resin NBR Steel 7 Filter element Non woven fabric 8 Sound absorbing material Resin 9 Suppl...

Page 18: ... However if there is a vacuum pressure drop and or delay in the vacuum adsorption response time which causes problem with the settings during operation stop the operation of the product and replace the element regardless of the above mentioned replacement guideline 5 Operation in an environment where there is a lot of dust in the air The processing capacity of the filter element built into the pro...

Page 19: ...e 17 8 Sound absorbing material ZL112A SE1 A 1 pc of each set Sound absorbing material 1 and 2 page 17 9 Supply valve Release valve SYJ5 4 Refer to how to order the supply valve and release valve page 16 1 Digital vacuum pressure switch ZL ZSE30A 00 Vacuum pressure sensor Digital vacuum pressure switch Refer to how to order the digital vacuum pressure switch page 16 Vacuum port adapter assembly ZL...

Page 20: ...Document No ZL OM01001 19 ﾘｰﾄﾞ How to Order Replacement Parts Digital vacuum pressure switch Supply valve Release valve How to order connector assembly Lead wire assembly with connector How to order ...

Page 21: ...er If the hook or the lever is damaged or deformed replace the suction cover assembly The sound absorbing material can be replaced with a single operation Push the area where word PUSH is printed on the silencer cover in direction shown in Fig 1 The silencer cover will come out See Fig 2 Remove the sound absorbing material 1 and 2 and replace with the new ones See Fig 3 After replacing the sound a...

Page 22: ...exhaust specification For the port exhaust specification the back pressure should be 5 kPa or less as exhaust resistance is generated with some piping bore sizes and piping lengths DO NOT block the exhaust port The product will fracture or break 2 If the sound absorbing material is clogged it will cause a reduction in the ejector performance In particular if it is used in a dusty environment not o...

Page 23: ...ethod 2 10 to 500 Hz for 2 hours in each direction of X Y and Z De energized Initial value 3 3 times in each direction of X Y and Z De energized Initial value Weight Supply Valve Release Valve Specifications 1 Based on JIS B 8419 2010 dynamic performance test Standard type Coil temperature 20 C at rated voltage without surge voltage suppressor Refer to the Web Catalog for details on valves Vacuum ...

Page 24: ...e than the fluctuating width otherwise chattering will occur Note 2 When the analog voltage output is selected the analog current output cannot be selected simultaneously Note 3 When the analog current output is selected the analog voltage output cannot be selected simultaneously Note 4 For details of the pressure switch please visit the SMC website URL http www smcworld com ...

Page 25: ...Document No ZL OM01001 24 Circuit diagram Without valve ZL112A With vacuum port adapter ZL112A GN With vacuum pressure gauge ZL112A G With digital vacuum pressure switch ZL112A D Port exhaust ZL112AP ...

Page 26: ...ZL OM01001 25 Exhaust Characteristics Flow Rate Characteristics Time to Reach Vacuum Vacuum Break Flow Adjusting Needle With supply valve ZL112A K2 ZL112A B2 With supply valve and release valve ZL112A K1 ZL112A B1 ...

Page 27: ...en the vacuum port V is opened gradually air will flow If there is bleeding air the suction flow will increase but the vacuum pressure will decrease State of P1 Q1 3 If the vacuum port V is opened fully the suction flow will reach its maximum Qmax but the vacuum pressure will become almost 0 atmospheric pressure As described above the vacuum pressure changes when the suction flow changes Convertin...

Page 28: ...tion flow Vacuum pressure is too small due to leakage from the vacuum piping Repair vacuum leaking part Suction flow is too small Ejector performance is not high enough Change to an ejector with larger suction flow Suction flow is too small because the piping diameter is too small and the length is too long causing restriction of suction flow from the ejector Increase the piping diameter and decre...

Page 29: ...ncrease or decrease the supply pressure a small amount Vacuum failure over time absorbs properly initially Vacuum pressure is reduced due to clogging of the suction filter caused by dust in the environment on the vacuum side sucking of foreign matter from surface of work piece adsorption of humidity etc Replace the filter element with a new one Increase the number of suction filters such as ZFA ZF...

Page 30: ...ment in order to prevent temperature increase around the solenoid valve Work piece is not released smoothly Vacuum break flow is not large enough Open the vacuum break flow adjusting needle For the ejector with individual ports for release pressure PD and supply pressure PV increase the pressure at the release pressure port The vacuum pad surface is worn out making it sticky Replace the vacuum pad...

Page 31: ...her than the rated voltage 2 Lubricant was contained in the supply air 3 Liquid such as water was directly splashed onto the product body 4 A strong impact was applied to the product 5 Drainage and dust got mixed into the supply air 6 Other actions corresponding to the precautions mentioned in this operation manual have occurred When removing the product from the application be sure to confirm tha...

Page 32: ...kanda Chiyoda ku Tokyo 101 0021 JAPAN Tel 81 3 5207 8249 Fax 81 3 5298 5362 URL http www smcworld com Note Specifications are subject to change without prior notice and any obligation on the part of the manufacturer 2019 SMC Corporation All Rights Reserved ...

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