SMC Networks ZK2 Series Operation Manual Download Page 26

 

-25-

 

                                                                     

No.  ZK2-OM00201

 

 

 

 

2. Internal Circuit 

Wiring should be connected as shown below. Connect with the power supply respectively. Light/surge voltage 

suppressor circuit is equipped for the valve type J, K and R. Solenoid valve is non-polar type. 

 

  (1) Individual wiring 

 

                               

Valve type: J                                                                  Valve type: K, R 

                (With supply valve, Without release valve)                  (With supply valve, With release valve) 

 
 

 

 

 

 

 

 

 

 

 

 

  (

2) Common wiring 

    2-1) D-sub connector 

A D-sub connector conforming to MIL standards is used. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Red 

COM 

(+,-) 

Supply valve 

(-,+) 

Black 

Coil 

COM 

(+,-) 

Supply valve 

(-,+) 

Release valve 

(-,+) 

Coil 

Coil 

LED (Red) 

LED (Red) 

LED (Green) 

Black 

Red 

White 

Summary of Contents for ZK2 Series

Page 1: ...No ZK2 OM00201 PRODUCT NAME Vacuum Unit Ejector Vacuum Pump System MODEL Series Product Number ZK2 Series...

Page 2: ...to Order 31 7 Exploded View of Manifold Replacement Parts 35 7 1 Exploded View of Manifold 35 7 2 How to Increase Manifold Stations 35 7 3 Component Parts 38 7 4 Replacement Parts 38 7 5 Replacement...

Page 3: ...en configuring the equipment 2 Only personnel with appropriate training should operate machinery and equipment The product specified here may become unsafe if handled incorrectly The assembly operatio...

Page 4: ...failure of the product 3 Prior to using SMC products please read and understand the warranty terms and disclaimers noted in the specified catalog for the particular products 2 Vacuum pads are exclude...

Page 5: ...ce 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 maintenan...

Page 6: ...o 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 pro...

Page 7: ...ain catch before the filter and perform draining regularly If draining is not performed regularly and condensate enters the secondary side it can cause operating failure of pneumatic equipment When it...

Page 8: ...lowing table Avoid repeatedly bending stretching or applying a heavy object or force to the lead wire Repetitive bending stress or tensile stress to the lead wire can cause the sheath of the wire to p...

Page 9: ...oduct Do not use the product in an environment that is exposed to temperature cycle Heat cycles other than ordinary changes in temperature can adversely affect the inside of the product Do not expose...

Page 10: ...com for the recommended piping conditions Maintenance Turn off the power supply stop the supplied air exhaust the residual compressed air in the piping and verify the release of air before performing...

Page 11: ...size of vacuum pump system mm 4 inch 5 32 Note 2 Port size of exhaust port mm 8 inch 5 16 Note 3 The complex exhaust is a combined exhaust method of the common exhaust from the end plate and the dire...

Page 12: ...ase Valve select W or L3 for 6 Wiring Combinations Note 12 Unit selection function is not available in Japan due to new measurement law Note 13 Fixed unit kPa 6 Wiring Combinations Symbol For supply v...

Page 13: ...ecification When selecting D with common release pressure supply PD port for manifold option supplying a pressure which is different from for common PV to common PD is requested W With exhaust interfe...

Page 14: ...fer to Port Layout on pages 52 to 61 for the port layout of standard port combinations and options Note 3 Common PS port and common PD port are connected inside Connected One touch fitting to one of p...

Page 15: ...ble only solenoid valve wiring Individual wiring is specified for vacuum switches and sensors Note 9 Select L L or W for 6 Wiring Combinations for the single unit model Note 10 Select C C1 for 6 Wirin...

Page 16: ...2 x 4 5 Mounting hole Pilot pressure supply PS port Pressure switch for vacuum Release valve manual override Valve Assembly Supply valve manual override Silencer exhaust port Exhaust port nozzle size...

Page 17: ...ergy saving function LED Red is ON when the pilot valve for supply valve is energized LED display Displays the current status of pressure setting mode and error code button UP Selects a mode and incre...

Page 18: ...n direction 2 2 Hook the ejector onto the DIN rail from direction 3 and mount the ejector onto the DIN rail by pushing it down in direction 4 3 Push the filter case assembly in direction 5 until it is...

Page 19: ...BK1 A Manifold 1 DIN rail mounting Option 1 Hook the mounting bracket of the end plate to DIN rail from direction 1 2 Mount the ejector onto the DIN rail by pushing it down in direction 2 3 Use a 50 m...

Page 20: ...ontaining foreign matter water oil or condensate etc can cause malfunction of supply and release valve It is recommended that an air filter and a mist separator are connected to the upstream side of t...

Page 21: ...by exchanging the One touch fitting and the plug When PS PD PS and PD are not connected inside the end plate It is necessary to supply each port individually Port Size Ejector System Vacuum Pump Syst...

Page 22: ...stem Vacuum Pump System PV Air pressure supply port Compressed air supply for operating ejector Operating pressure range 0 3 to 0 6 MPa Note 1 Vacuum pressure supply port Vacuum source vacuum pump Ope...

Page 23: ...s not meet these outside diameter tolerances It may not be possible to connect them or they may cause other trouble such as air leakage or the tube pulling out after connection 4 Tube O D 2 Tubing oth...

Page 24: ...Do not apply impact resistance in the direction of the main valve shaft during the installation to moving parts When impact is applied use valve type K For vibration and impact refer to General Speci...

Page 25: ...connector hold the cover and pull out the connector straight pushing the connector lever clip Note Do not pull the lead wire excessively as this damage the connector or cover 2 Common wiring Align the...

Page 26: ...alve type J K and R Solenoid valve is non polar type 1 Individual wiring Valve type J Valve type K R With supply valve Without release valve With supply valve With release valve 2 Common wiring 2 1 D...

Page 27: ...cable connector A flat ribbon cable connector conforming to MIL standards is used 3 LED indication Red LED turns on when supply valve is energized Green LED turns on when release valve is energized 1...

Page 28: ...Pink None 7 Blue None 8 Purple White 9 Gray Black 10 White Black Terminal number Wire Color Dot Marking 11 White Red 12 Yellow Red 13 Orange Red 14 Yellow Black 15 Pink Black 16 Blue White 17 Purple...

Page 29: ...use a 26 pin type with strain relief conforming to MIL C 83503 Cannot be used movable wiring 2 Terminal number Symbol Cable length L m 1 1 5 2 3 3 5 Connector manufacturers example HIROSE ELECTRIC CO...

Page 30: ...A PNP 2 outputs The FUNC terminal is connected when using the copy function Refer to the ZSE10 ISE10 Operation Manual Pressure switch for vacuum with energy saving function ZK2 ZSVA A NPN 1 output ZK...

Page 31: ...r High noise reduction silencer 6 2 Component Parts No Item Material Remarks 1 Valve body assembly Resin HNBR NBR and steel are also used 2 Needle assembly Brass Electroless nickel plated brass resin...

Page 32: ...nsor assembly With 2 screws and 1 gasket 16 High noise reduction silencer case assembly With sound absorbing material Part number ZK2 SE4 6 A 6 4 Replacement Parts for Single Unit How to Order Includi...

Page 33: ...Valve type K R With supply valve and release valve S Valve type J Supply valve only Lead wire length Nil 300 mm 6 600 mm 10 1000 mm 20 2000 mm 30 3000 mm Port size 06 6 One touch fitting Straight Met...

Page 34: ...collector 1 output 2 Output specifications A NPN B PNP 3 Unit specifications Nil Unit selection function Note 1 M SI unit only Note 2 Note 1 Unit selection function is not available in Japan due to ne...

Page 35: ...High noise reduction silencer case assembly ZK2 SC3 4 A Rated pressure range and specifications 1 0 to 101 kPa Output 1 to 5 V Accuracy 2 F S 3 100 to 100 kPa Output 1 to 5 V Accuracy 2 F S Mounting N...

Page 36: ...old Stations 7 2 1 Individual wiring specifications 1 Remove two tension bolts 2 Remove the end plate U Be careful not to drop the gasket 3 Mount a single unit to the end surface of U side Do not let...

Page 37: ...connector to the junction box B Refer to Fig 3 Engage the recess of the connector and the protrusion of the junction box B Refer to Fig 3 A 7 Mount a single unit for extra station s for manifold to t...

Page 38: ...s of the housing mounting surface to the square holes of the end plate and slide the connector housing assembly 9 Remove the end plate U Be careful not to drop the gasket 10 Mount a single unit for ex...

Page 39: ...inch type 6 One touch fitting assembly Metric size 8 Inch size 5 16 7 Sound absorbing material 2 pcs per set Material Non woven cloth Silencer cover is not included 8 DIN rail Refer to Dimensions in...

Page 40: ...to 40 One touch fitting size C8 8 One touch fitting N9 5 16 One touch fitting Length symbols 1 to 40 L Dimension When selecting the number refer to L6 in dimension table in the Best Pneumatics No 4 ca...

Page 41: ...Connector type 1 D sub connector 25 pins 2 Flat ribbon cable connector 26 pins Applicable stations 02 For 2 stations manifold 04 For 4 stations manifold 06 For 6 stations manifold 08 For 8 stations ma...

Page 42: ...upply air quality 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 produ...

Page 43: ...ate measurements from the pressure switch may occur 8 2 Replacement Procedure 8 2 1 Replacement procedure for filter element 1 To pull out the vacuum port adapter rotate the adapter by about 90 degree...

Page 44: ...the vacuum port adapter you can remove the adapter with a hexagon wrench using the hexagonal hole in V port The table shows the port size and the width across flats 8 2 2 Replacement procedure for So...

Page 45: ...ewdriver 6 Insert the new sound absorbing material Be careful not to scratch the material with the projection of the diffuser assembly Diffuser hole viewed from the port plug Procedure to put parts ba...

Page 46: ...iver to notch A of the end plate and remove a clip L 1 2 Insert a precision screwdriver to notch B and remove the silencer cover 2 3 Pull out the sound absorbing material from the silencer cover 3 4 M...

Page 47: ...ater base cutting fluid alkaline Note Do not expose the filter case to direct sunlight for a long period of time Procedure to put parts back together 2 Make sure that body gasket B and the check valve...

Page 48: ...Specifications Valve model Note 4 ZK2 VA K ZK2 VA R ZK2 VA J Type of Actuation Note 5 Supply valve N C Release valve N C Supply valve Self holding release valve linked Release valve N C Supply valve N...

Page 49: ...ltration rating 30 m Filtration area 510 mm2 Pressure Sensor specifications For details refer to the PSE series in the Best Pneumatics No 8 catalog and the Operation Manual Model Sensing unit Standard...

Page 50: ...0 ms Short circuit protection Provided Repeatability 0 2 F S 1 digit Hysteresis Hysteresis mode Variable from 0 Note 9 Window comparator mode Display type 3 1 2 digits 7 segment LED 1 color display Re...

Page 51: ...chattering function 20 100 500 1000 or 2000 ms Short circuit protection Provided Repeatability 0 2 F S 1 digit Hysteresis Hysteresis mode Variable from 0 Note 10 Display type 3 1 2 digits 7 segment LE...

Page 52: ...ssure switch for vacuum Model of pressure sensor and pressure switch for vacuum Weight g ZK2 PS A Weight excluding the cable 5 ZK2 ZS A Weight excluding the lead wire assembly with connector 14 Manifo...

Page 53: ...m Vacuum pump Body type Single unit Exhaust type Without silencer Application and purpose Vacuum pressure Exhaust Release pressure Same pressure as PS System Vacuum pump Body type Manifold Exhaust typ...

Page 54: ...ype Silencer exhaust Application and purpose Vacuum pressure Exhaust Released in operating environment Release pressure Same pressure as PV Port combination PV PS PD System Ejector Body type Single un...

Page 55: ...on silencer exhaust Application and purpose Vacuum pressure Exhaust Released in operating environment Release pressure Same pressure as PV System Ejector Body type Manifold Exhaust type Complex exhaus...

Page 56: ...r each station Exhaust After piping individual exhaust is necessary Release pressure Same pressure as common PV System Ejector Body type Manifold Exhaust type High noise reduction silencer exhaust App...

Page 57: ...essure PD pressure has to be supplied with PS pressure System Vacuum pump Body type Manifold Exhaust type Without silencer Application and purpose Vacuum pressure Common for each station Exhaust Relea...

Page 58: ...ication and purpose Vacuum pressure Exhaust Released in operating environment Release pressure PD pressure has to be supplied with PV pressure System Ejector Body type Single unit Exhaust type Port ex...

Page 59: ...ion and purpose Vacuum pressure Exhaust Released in operating environment Release pressure PD pressure has to be supplied with PV pressure System Ejector Body type Manifold Exhaust type Complex exhaus...

Page 60: ...After piping individual exhaust is necessary Release pressure Common PD pressure has to be supplied with common PV pressure System Ejector Body type Manifold Exhaust type High noise reduction silencer...

Page 61: ...er station Exhaust Released in operating environment Release pressure Same pressure for common PS pressure and common PD pressure System Ejector Body type Manifold Exhaust type Individual port exhaust...

Page 62: ...fold Exhaust type High noise reduction silencer exhaust Application and purpose Vacuum pressure PV pressure can be changed per station Exhaust Released in operating environment Release pressure Same p...

Page 63: ...No ZK2 OM00201 11 Exhaust Flow Rate Characteristics 11 1 Ejector Exhaust Characteristics Flow Rate Characteristics The flow rate characteristics correspond to the standard supply pressure ZK2 07 ZK2...

Page 64: ...63 No ZK2 OM00201 ZK2 12 ZK2 15 The following graphs show the characteristics of the ejector with valve Please contact SMC for models without valve...

Page 65: ...s the value when V port is 8 11 3 Vacuum Release Flow Rate Characteristics The graph shows the flow rate characteristics at different supply pressures when the vacuum break flow adjusting needle is op...

Page 66: ...r when it reaches the rotation stop position Turning the needle too far may cause damage 3 Do not tighten the handle with tools such as nippers This can result in breakage due to idle turning 4 Do not...

Page 67: ...bsorbing material Regular replacement of the filter element and sound absorbing material is recommended Exhaust Noise When vacuum ejector generates vacuum noise can be heard from the exhaust port when...

Page 68: ...valve Refer to 9 and 11 Filter case gasket was protruded Refer to 12 Fluctuation of vacuum pressure Noise is generated intermittently when air is exhausted when absorbing by vacuum and vacuum pressur...

Page 69: ...he supply pressure is higher than the operating pressure range it may cause operation failure because of early defect due to wear of seals Adjust the supply pressure appropriate for the specification...

Page 70: ...e grease of the valve assembly and main valve is washed away with the mist adversely affect the valve operation In addition the life of the main valve may be shortened Install the mist separator and a...

Page 71: ...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 ma...

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