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Checkweigher user’s manual

 

 

Weighing belt width(mm) 

230 

Weighing belt hight(mm) 

750

±

30 

Power 

180-260V(AC),   

50-60Hz 

350VA 

Protection 

IP54 

*The precision depend on the items checked and the field 

condition, the precision here is the best precision the 

checkweigher can achieve.     

 

Intended use 

- The device can be used for checking the weight of packaged foodstuffs or goods. 

- It can be used in industrial or commercial fields. 

- The goods to be checked must be fed to the scales via transport belt. 

- The packages need to be fed continuously to the device with regular intervals 

between the packages. 

- The packages must be positioned on the centre of the belt when they are transported 

over the scales.   

 

Operating conditions 

Do not install or commission equipment until the operating conditions have been 

fulfilled: 

- Temperature and air humidity: 

Temperature: -10~40

 

Maximum humidity: 90% R.H without dew 

- Vibration-free installation area 

Vibrations can affect  measurements  made by the scales. During production, 

avoid, for example, fork-lift truck activity near the device. 

- Align horizontally   

To ensure the precision of the scales, it is of absolute necessity that the device is 

aligned horizontally. 

- Draft   

Drafts can affect the measurements made by the scales. If required, use the hood 

over the weighing belt. 

- Air convection 

Free air convection must be able to form around the unit in order to  avoid 

inadmissible heating. 

- Supply voltage 

Power supply: 180-260VAC, 50Hz

±

10% 

- Electrical charge 

Packages may not be charged electrically when being transported to the transport 

belts. 

- Trained personnel: 

Only trained personnel can maximize the performance of the device and avoid 

risks. 

- Written permission for changes: 

Modifications to the devices require our prior written consent. 

Содержание Checkweigher

Страница 1: ...Checkweigher User s Manual...

Страница 2: ...Ltd Any corporations or person must not copy spread record or translate into other language by any forms Our company reserved the right to update user s manual without additional notice to make perfec...

Страница 3: ...start automatically 6 Rotating parts 7 4 Installation 8 5 Human machine interface 9 Main interface 9 Sub interface 11 6 Instruction of operation 12 Daily operation 12 Switch on device 12 Switch off de...

Страница 4: ...ersonnel This means that the operator must be familiar with the content of this manual Installation servicing and repairs must be performed by qualified personnel Symbols used The following symbols ar...

Страница 5: ...Checkweigher user s manual 2 Source of danger improper use Cause damage to property...

Страница 6: ...belt 4 Input belt 5 Electric control cabinet 6 Foot screws 7 Output belt 8 Rejector 9 Start belt green and Stop belt red button 10 Display and operating unit 10 touch screen Specifications The specif...

Страница 7: ...itions have been fulfilled Temperature and air humidity Temperature 10 40 Maximum humidity 90 R H without dew Vibration free installation area Vibrations can affect measurements made by the scales Dur...

Страница 8: ...from Non compliance with our operating conditions and user s manual Unauthorized installation Defective electrical installation by the customer Structural changes to our equipment Incorrect operation...

Страница 9: ...g risk When cleaning and maintenance work is being carried out on the outside of the control cabinet Sources of risk related to the system Components that start automatically The device is designed fo...

Страница 10: ...a protective hood over the rejector Pusher Ensure that the height between pusher and belt is not more than 4 mm This setting makes sure that you cannot jam your fingers when the pusher pulls away Rota...

Страница 11: ...tallation The initial installation and commissioning as well as instruction in the operation cleaning care and maintenance will be carried out by the responsible General Measure Service Agent or the G...

Страница 12: ...level Indicates which level the current user belongs to The device has four different authorization levels which are No log in this situation the user can only start checkweigher with the product par...

Страница 13: ...per deviation Allowed value of actual weight over nominal weight Lower deviation Allowed value of actual weight under nominal weight Throughput Throughput of product Checked Numbers of product checked...

Страница 14: ...fferent function The different function will be introduced later 1 Name of sub interface 2 Information and functional key area of sub interface In addition to the keys present in main interface there...

Страница 15: ...installed properly and all wires have been connected correctly The operating conditions listed in 2 4 have been fulfilled The operator has been trained and operation procedure must comply with the saf...

Страница 16: ...d out The device has been switched on for at least 20 minutes Start weight checking Press Start Start weight checking process Stop weight checking Press Stop Stop weight checking process Enter modify...

Страница 17: ...four user levels the default level is no log which can only start the device to check one kind of product whose parameter has been set correctly and selected If you need to check more than one kind o...

Страница 18: ...d in user interface Change password interface pop up See Fig 6 5 Fig 6 5 Change password interface After finished the operation which need to logon with specific user level user should logoff in case...

Страница 19: ...essage if operation error occurs the common alarm list in Table 9 1 To continue operation you need to clear the alarm message Press Clear in main interface The Clear button will pop up in weight displ...

Страница 20: ...rmation will be added to previous information Press Print When the RS232 RS485 selectable port is set to Print1 or Print2 and the printer connect correctly the statistic data will be printed Press Del...

Страница 21: ...ites The device has been Logon with technician account Press Delete Delete all the weighing data Setup Product management Prerequisite Logon with the technician account Press Setup in main interface E...

Страница 22: ...6 12 Fig 6 12 PD manage interface Press New in PD manage interface Enter first page of product parameter interface Fig 6 13 Fig 6 13 Product parameter 1 Set the parameters correctly The following pro...

Страница 23: ...he checking result is under Throughput Quantity of product checked per minute Tare Weight of the product package material display result weighing result tare Press Next Enter second page of product pa...

Страница 24: ...uarantee that the fail item rejected as well as the next item not be blocked Procedure of set these two parameters list as follow 1 Enter rejector parameter interface and set an initial value of these...

Страница 25: ...study should be conducted once a new kind of product need to be checked Fig 6 16 Dynamic study interface Finished dynamic study procedure it will come to result interface automatically In this interfa...

Страница 26: ...ignal with the product mass on the platform It is basic operation which guarantee checkweigher satisfy operating requirements Press Calibration in maintenance interface Enter calibration interface as...

Страница 27: ...terface are as follow Slave station Identity of this device in communication system SP function Function of the RS232 RS485 selectable serial port There are 4 different function it can choose to be Bu...

Страница 28: ...67H if kg and 67H20H if g CRC 2 bytes Check sum Count the sum of all the left bytes and convert the sum to be decimal date and then convert the 2 low order digits of the decimal date to ASCII code CR...

Страница 29: ...parameter Enter system parameter interface Fig 6 23 System parameter 1 Set the parameters correctly The following system parameters can be set WP length Length of the weighing platform it is the dista...

Страница 30: ...eight change in a small range in certain time the system will zero automatically the range is zero tracking range and the time is zero tracking time Rejector If the checkweigher need to use rejector c...

Страница 31: ...some product parameters for all the 50 product identities you can change the parameter in current product identity and press Savebest and Rebest sequentially the parameter will change in all the 50 pr...

Страница 32: ...elocity calibration interface According to the belt speed range determine three point speed and line velocity input the three speeds sequentially in the input box under input motor measure the corresp...

Страница 33: ...ance between end of weighing platform and centre of under rejector 0138 Distance between end of weighing platform and centre of fail rejector 0142 Overweight reject time 0144 Underweight reject time 0...

Страница 34: ...etermination Stable 1 Unstable 0 0001 Symbol negative 1 positive 0 0002 Overflow overflow 1 normal 0 0004 alarm yes 1 no 0 0006 Over yes 1 no 0 0007 Pass yes 1 no 0 0008 Under yes 1 no 0 reversed Read...

Страница 35: ...agents that are hazardous to health or that contain solvents Clean Belt and belt unit every day Clean touch screen switch cabinet and light barrier once a week Maintenance Check the wiring every mont...

Страница 36: ...control system successfully back to zero Readjust the distance between two products and check whether the length set in product parameter is right Unstable When zero the weight is not stable Alarm cl...

Страница 37: ...e is object contact the platform and remove it if there is 2 If it doesn t display weigh result when product pass through the weighing platform check as follows 1 Check whether the device has been sta...

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