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General Measure CW-3K User Manual

Check weigher
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Check weigher
CW-3K
U s e r ' s m a n u a l
( A p p l i c a b l e f o r M C G S + C 0 1 v e r s i o n )
531701010042 Ver A1

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Summary of Contents for General Measure CW-3K

  • Page 1 Check weigher CW-3K U s e r ’ s m a n u a l ( A p p l i c a b l e f o r M C G S + C 0 1 v e r s i o n )

  • Page 2: Table Of Contents

    Contents 1. Summary ..................... 1 Product Features ................1 1.1.1 Mechanical part ..............2 1.1.2 Electrical part ..............2 Usage Notice ................2 1.2.1 Precautions ................ 2 Product installation ..............3 Overall appearance ................ 3 Mechanical installation ..............4 Electrical installation ..............5 Electrical interface .................
  • Page 3 3.3.5 Power off operation ............14 User login ................14 Product selection with New ............ 15 3.5.1 Select product parameters ..........15 3.5.2 New product parameters ........... 15 3.5.3 Modify product parameters..........19 3.5.4 Delete product parameters ..........19 Calibration scale ..............19 3.6.1 The weight calibration scale ..........
  • Page 4 7.1.1 Serial port communication ..........39 7.1.2 Network port communication ..........39 7.1.3 MAC address ..............40 The Modbus register communication address is defined ...... 40 Print content ................47 Set the parameters of the servo driver ......... 48 Program upgrade ..............49 9.
  • Page 5 Shenzhen General Measure Technology Co., Ltd.All rights reserved. Without the permission of Shenzhen Geman Technology Co., LTD., no unit or individual may copy, disseminate, transcribe or translate into other language versions in any form or by any means. Due to the continuous improvement and update of our products, we reserve the right to modify this manual at any time without prior notice.For...

  • Page 6: Contents 1. Summary

    CW-3K user’s manual 1. Summary CW-3K standard weighing scale is a high speed, high precision and small range industrial automatic weighing scale developed by our company to meet the changing technological update. The full touch screen makes the CW-3K weighing scale easy to operate, external expansion of IO input and output and external serial port communication to achieve multi- point control, monitoring and remote control of the product.

  • Page 7: Mechanical Part

    CW-3K user’s manual 1.1.1 Mechanical part 1． Electric control box is small and movable, easy to install and operate on site. 2． The servo driver is used as the motor driving device to ensure the speed stability and adjustability in the process of weight checking.

  • Page 8: Product Installation

    CW-3K user’s manual 2. Product installation 2.1 Overall appearance The product appearance is shown in Figure 2 -1 below. Figure 2 -1 Overall appearance of the product Serial Name Introduction number...

  • Page 9: Mechanical Installation

    CW-3K user’s manual indicator light More intuitive display of the weight inspection results, allowing the status of the results to be seen from a distance. touch screen View display data and set product parameters Knob switch Turn on/off the power supply of the weighing...

  • Page 10: Electrical Installation

    CW-3K user’s manual Electrical installation The power supply is inserted into the three-hole socket with ground or connected to the power supply equipment such as the electric gas cabinet according to the line mark. 1． Any wiring and disconnecting operation can only be carried out after power off.

  • Page 11: Electrical Interface

    CW-3K user’s manual Serial Function number Touch screen communication jack External custom outlet OUT1-OUT4 External custom output relay K1-K8 Detect the photoelectric sensor wiring terminals Alarm light wiring terminals Custom input ports 1-6 externally Sensor terminal External RS-485 communication jack...
  • Page 12 CW-3K user’s manual L2: When the detection result is out of tolerance, the low output is valid until the next check begins. L3: When the test result is qualified, the low output is valid until the next check begins. L4: When the detection result is inferior, the low level output is effective until the next check starts.
  • Page 13 CW-3K user’s manual DOCOM: switch quantity common end. Sensor (already connected at factory) : EX+ : Power positive, SN+ : induction positive, EX- : power negative, SN- : induction negative, SG+ : signal positive, SG- : signal negative. Motor speed control communication interface (RS485) : MT A: RS485 communication A.
  • Page 14 CW-3K user’s manual K8: defined as unqualified excluded. When unqualified occurs in the test result, the relay output is closed, and K8A and K8B are switched on.This definition is the factory default setting, and can be modified according to the actual demand.

  • Page 15: Power Supply Power

    CW-3K user’s manual U: Corresponding to the U terminal connected to the motor. V: corresponds to the V terminal connected to the motor. W: corresponds to connect the motor W terminal. Note: L, N and G are the external AC power supply, and U, V and W are the output power supply of the inverter to power the motor.

  • Page 16: Operation

    CW-3K user’s manual Operation Operation summary Boot Technician When before login New product Product choose product parameters Power Data Starting query weight check Figure 3-1 Procedure Limit removal Before use, remove the limit protection device. The arrow in Figure 3-2 indicates the limit position.

  • Page 17: Basic Operation

    CW-3K user’s manual Basic operation The main interface of weight inspection is used for daily production, which is used to start and stop the weight inspection belt, enter the relevant parameter interface and display the basic information of the tested product and the weight inspection result.

  • Page 18: Zero Clear Operation

    CW-3K user’s manual Click this button to enter the interface of creating products and setting product parameters. Click this button to enter the parameter setting interface. Click this button to enter the data interface to view the relevant check data.

  • Page 19: Stop Operation

    CW-3K user’s manual 3.3.4 Stop operation Click "Stop" on the touch screen to stop the weight inspection belt and end the weight inspection process. At this time, the operation label on the touch screen is "Stopped". 3.3.5 Power off operation Turn knob switch to "0"...

  • Page 20: Product Selection With New

    CW-3K user’s manual Product selection with New Figure 3-6 Product list 3.5.1 Select product parameters Click "Product" under the main interface to enter the product list interface. First, click the product to be checked in the product list, then click "Select Product" to select the product, click "Exit"...
  • Page 21 CW-3K user’s manual Figure 3-7 Product parameters screen Example Description of product parameters: Name Instructions Product number Number of the product under inspection Speed of weight The speed at which the current weight checking device detects inspection the product Product name...
  • Page 22 CW-3K user’s manual Qualified culling The distance traveled by the product from the end of the scale distance to the start of the qualified culling mechanism Duration of qualified The duration of the qualifying cull mechanism's action culling Out-of-tolerance The distance traveled by the product from the end of the scale...
  • Page 23 CW-3K user’s manual this setting value, and only when it is stable can dynamic zeroing be allowed Dynamic zeroing and When the belt is running, within this setting value, the range of stabilizing time weight variation is judged as the stability of the scale platform within the range of dynamic zero clearance stability.

  • Page 24: Modify Product Parameters

    CW-3K user’s manual Failure to correct alarm Failure to correct alarm stop in time stop in time 3.5.3 Modify product parameters On the Product list page, select the product whose parameters you want to modify from the product list and click "Product Parameters" to enter the product parameters interface to modify the selected product parameters (the newly added product directly jumps to the product parameters interface).

  • Page 25: The Weight Calibration Scale

    CW-3K user’s manual Figure 3-11 shows an example of the weight calibration interface Description of static calibration parameters: Name Instructions Calibrate the empty Eliminate external interference, the scale table at zero and scale table stable, can be clicked Calibrate the scale...

  • Page 26: Dynamic Calibration Of Scale

    CW-3K user’s manual  During calibration, ensure that the weighing scale is in the stopped state; otherwise, the interface of the weighing scale cannot be entered;Calibration should ensure that there is no item on the weighing platform, no vibration on the weighing platform, and no relatively strong air flow around the weighing scale.
  • Page 27 CW-3K user’s manual Name Instructions Zeroing Clear the current weight value to zero Get the weight Stop the belt running and put the test material on after the static weight value shown Dynamic calibration The number of repeated runs of dynamic calibration. The...
  • Page 28 CW-3K user’s manual dynamic calibration.  The default value of learning times is 10. If the learning result is not accurate, you can increase the learning times appropriately.If the production requirement is not high, the learning times can be appropriately reduced to improve the learning speed;External...

  • Page 29: Data Viewing

    CW-3K user’s manual Data viewing This check weight scale has data storage and query function, convenient for users to check the historical check weight data and event information.Under the main interface, click "Data" to enter the interface for viewing data (no permission is required for data interface).

  • Page 30: Alarm Information

    CW-3K user’s manual data" to export statistics information to the USB disk inserted into the touch screen, click "Delete data" to clear statistics information.For specific operation methods, refer to "Operation Instructions on Buttons and Operation Frames" in Section 3.3.2.  Statistics include out of tolerance, under tolerance, the cumulative number of inspection times of qualified products, weight, average value and probability distribution, etc.

  • Page 31: Statistical Graph

    CW-3K user’s manual Figure 4-3 Alarm information screen example Statistical graph Click "Statistical Chart" to enter the statistical chart interface to visually view the product weight distribution. Figure 4-4 Example of the statistical chart interface...

  • Page 32: Quantity Of Switches

    CW-3K user’s manual Quantity of switches I/O I/O testing Figure 5-1 I/O parameter screen Example 1 Figure 5-2 I/O parameter screen example 2 Click "Switch quantity" on the setting page to enter the IO test interface. The system provides 6 input terminals and 12 output terminals, which users can decide whether to use...
  • Page 33 CW-3K user’s manual according to production requirements.For specific operation methods, please refer to "Operation Instructions on Buttons and Operation Frames" in Section 3.3.2. IO test is to test whether the IO port is properly connected to the external device. During the test, click "Switch" after the output to output 1-8. If the corresponding relay coil is closed (red indicator light on the relay base) and the corresponding device is in action, the connection is normal and the output point of the weighing scale is valid;...
  • Page 34 CW-3K user’s manual DO 1 Undefined DO 2 Undefined DO 3 Undefined DO 4 Undefined O17 (Buzzer alarm output) O7 (alarm light out-of-tolerance indication, no relay) O10 (alarm light qualified indication, no relay) O6 (alarm light undererror indication, no relay)
  • Page 35 CW-3K user’s manual Belt speed detection Run/stop [level] Control device operation or stop by level signal When the device is in the stopped state, the signal input is Run/stop [edge] effective, the device starts to enter the running state; When the signal input is effective, the device stops running;...
  • Page 36 CW-3K user’s manual Qualifying If the weight check result is underweight, the output is valid instructions and continues until the next weight check is completed. Busy Stop + When the system is in busy state, busy detection is valid, communication...

  • Page 37: Working Parameters

    CW-3K user’s manual 6. Working parameters Working parameter Settings Click "Set" to enter the interface of working parameters, and the user can decide whether to open according to the production needs. If the corresponding alarm is generated after opening, the weight checking scale will automatically alarm or alarm stop.
  • Page 38 CW-3K user’s manual If not eliminated in After the next unqualified product has gone through the reinspection process, the last product has not been removed, time, the alarm will be the alarm will be stopped stopped Busy alarm stop In the last product has not been out of the inspection belt, the next product into the inspection belt, it will show busy alarm and stop.If the back end is connected with an over and under...
  • Page 39 CW-3K user’s manual Stop above the motor The upper limit of motor load can be set in the system parameter interface of the product. When the weight of the load limit product or the object to be weighed exceeds the set upper...
  • Page 40 CW-3K user’s manual Automatic zeroing at Perform zero clearing once the scale platform is started startup Check the maximum Is the longest judgment time in the process of weight calibration, indicating that the weighing platform must be judgment time of the...
  • Page 41 CW-3K user’s manual Dynamic zero Range of zeroing of the weighing platform during the weight checking process clearance range Digital filtering level 0 to 9 can be set AD sampling rate 120 beats per second 240 beats per second 480 beats per...

  • Page 42: Communication

    CW-3K user’s manual 7. Communication The product has RS485 and optional network port for external communication. The communication protocol is standard Modbus RTU, and the network port communication includes Modbus TCP/IP and HTTP.When the communication mode is printed, RS485 can be connected to the printer for printing output.For detailed operation methods, refer to...
  • Page 43 CW-3K user’s manual Figure 7-2 Communication parameters screen Example 2 Description of communication parameters: Name Instructions Serial communication Modbus-RTU method Mailing address The address of the current device Baud rate Baud rate for current device communication The byte format of the current device communication. Default...

  • Page 44: Serial Port Communication

    CW-3K user’s manual 7.1.1 Serial port communication The weighing scale is configured with three serial ports, which can communicate with the host computer through RS485 serial ports. The optional functions are Modbus-RTU and print mode (serial port three can only be set as print). The data format 7-E-1 is fixed as print, and Modbus-RTU communication cannot be carried out.

  • Page 45: Mac Address

    CW-3K user’s manual HTTP works in server-side mode, and the protocol is as follows: ⒈ Send: http://IP, Return: current weigh value (screen display value). For example: Send to: http://192.168.61.223 Return: 123.456kg ⒉ Send: http://IP/szgmt.html Return: Current weighing value (screen display value).
  • Page 46 CW-3K user’s manual 1: Weight negative overflow 1: Negative sensor overflow 1: Weight plus or minus identifier bit 0: plus 1: minus 1: zero point identifier bit 1: Stabilize the identifier bit reserve 1: Static calibration state 1: Zero point calibration is...
  • Page 47 CW-3K user’s manual 1: Return to zero ... reserve 40007 0006 Stop status: real-time weight;Running Weight value state: weight check result 40008 0007 40539 0538 Out-of-tolerance ratio 40540 0539 40541 0540 Underdifference ratio 40542 0541 .0 Over and under queue is full .1 Busy alarm...
  • Page 48 CW-3K user’s manual .17 Last correction was not completed and the next correction entered. .18 Reserved The number of products that actually 40563 0562 Actual weight pass the checkweigher in one minute check speed 40564 0563 during the product weighing process Product parameters (Function codes 0x03, 0x10 supported.)
  • Page 49 CW-3K user’s manual Quantitative production of qualified 40218 0217 products;0 ~ 999999pcs Initial value：30 Range： 40223 0222 0~80 Auto zero range 40224 0223 Percentage of reference weight 40279 0279 Photoelectric Initial value: 60, range: 60 to 1800 dusting cycle 40280...
  • Page 50 CW-3K user’s manual 40517 0516 Total cumulative times 40518 0817 40519 0518 Total accumulated weight 40520 0519 40521 0520 Maximum 40522 0521 40523 0522 Minimum 40524 0523 40527 0526 Pass rate 40528 0527 40529 0528 All qualified products are heavy...
  • Page 51 CW-3K user’s manual Read as the result value of this 40561 0560 test weight, when there is a new Weight check result test result, the value will be 40562 0561 updated. The number of products that 40563 0562 actually pass through the...

  • Page 52: Print Content

    CW-3K user’s manual Out-of-tolerance sign 00013 0012 busy 00014 0013 Call the police 00015 0014 Batch times to 00016 0015 Run (when writing ON, start running, stop running when 00031 0030 writing OFF) Zero clear (when writing ON, zero clear)

  • Page 53: Set The Parameters Of The Servo Driver

    CW-3K user’s manual If there is an external printing device, the above content will be printed out. The above content is only an example. The specific data to be printed is subject to the actual test result. Set the parameters of the servo driver 1.

  • Page 54: Program Upgrade

    CW-3K user’s manual 8. Program upgrade The device can upgrade the motherboard program and touch screen program through the way of U disk.For details, please refer to "Operation Instructions on Buttons and Operation Frames" in section 3.3.2. Figure 8-1 System Information screen example After contacting our technical department, confirm that it is necessary to upgrade the program of the motherboard or touch screen.Obtain the corresponding program upgrade...

  • Page 55: Size

    CW-3K user’s manual 9. Size When the equipment is installed on site, it is necessary to ensure that there is no contact between the weighing table and the surrounding area to avoid affecting the normal weighing. The distance between the surrounding area of the weighing table should be...

  • Page 56: Outline Size Drawing (Unit: Mm)

    CW-3K user’s manual Outline size drawing (unit: mm) T h e o u t l i n e s i z e d r a w i n g o f t h e r e m o v a l m e c h a n i s m i s n o t o p t i o n a l...
  • Page 57 CW-3K user’s manual T h e o u t l i n e s i z e d r a w i n g o f t h e e j e c t i n g m e c h a n i s m i s s e l e c t e d * Note: The width, length and height of the scale stand of non-standard customized products may be different from that of the standard products.

  • Page 58: Equipment Repair And Maintenance

    CW-3K user’s manual 10. Equipment repair and maintenance Maintenance of motors 10.1 10.1.1 Routine maintenance  Keep the motor clean and prevent oil, water and other dirt from entering the motor.  Check motor terminal bolts and motor base fixing bolts for loosening ...

  • Page 59: The Display Is Always Zero

    CW-3K user’s manual passing by, etc.  The conveyor belt is affected by viscous objects  Debris accumulates or gets stuck in the sensor base  The filter factor is set too low 10.2.3 The display is always zero  The object is light and the weight falls within the zero range, which should be resolved by resetting the "zero range".

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