Gram K3P Series Operation Manual
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Table of Contents
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Summary of Contents for Gram K3P Series
- Page 1 SERIE K3 / K3P / K3i / K3i Printer MK3 / MK3 Printer S3/ S5i / S7i / TCamel 2T...
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Page 3: Table Of Contents
INDEX KEYPAD AND LCD DISPLAY ................ 5 BEFORE USING THE SCALE ................ 8 ON / OFF ....................10 INITIAL RESET TO ZERO ................10 OPERATION ..................... 11 5.1. USE OF THE SCALE ..............11 5.2. TARE AND TARE RECORD IN MEMORY ........12 5.3. - Page 4 17. WEIGHING OF LIVE ANIMALS ..............43 18. MOVEMENT FILTER ................. 43 19. INFORMATION TO BE VIEWED ..............43 20. DIGITAL OUTPUTS ................... 44 21. TECHNICAL SPECS ................... 46 22. CONNECTIONS ..................48 23. ERROR MESSAGES ................... 50 24. NOTES ..................... 51...
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Page 5: Keypad And Lcd Display
1. KEYPAD AND LCD DISPLAY Switches the unit On / Off. Pressing it lights up the indicator. With the indicator on, keeping it pressed for two seconds switches it off. Piece counter mode. Activates or deactivates the piece counter mode. Double-pressing it gives access to the options menu of the piece counter mode. - Page 6 software version. Double-pressing the key activates the high- resolution mode. When editing the value of an alphanumerical data, it switches between upper case, lower case and numbers / symbols. Tare. Pressing it once subtracts the weight of any receptacle or box placed on the platform until the weight is removed from the platform and this key is pressed again.
- Page 7 Displays the weight on the scale platform. In HOLD mode, the reading is shown intermittently to signal that it is not indicating the real weight on the scale but the latest stable weight recorded. Unit of measurement in which the weight is indicated. Piece counter mode: The display shows the number of units, not the weight.
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Page 8: Before Using The Scale
2. BEFORE USING THE SCALE 1. AC/DC adapter, output 12 Vdc – 1 A 2. Space allocated for optional enlargements 3. Connector for the C1 load receptor platform 4. RS-232 data output 5. Connector for the XTREM platform Connect the AC/DC power source to the unit and to a power outlet suitable for charging the battery before its first use. - Page 9 The load receptor platform should be placed on a flat surface free of any irregularities. For the proper functioning of the instrument, the platform should be horizontally levelled. Before using the scale, check the bubble level included in the actual platform and adjust the levelling feet if necessary. Both the K3 indicator and the weight sensors included in the platform are sensitive to changes in ambient temperature.
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Page 10: On / Off
3. ON / OFF Press on the key. The display switches on and performs the following sequence: 1. All segments and symbols switch on for a second on the LCD display to verify that they are functioning properly. 2. It then shows the unit’s firmware version code during one second. 3. -
Page 11: Operation
5. OPERATION 5.1. USE OF THE SCALE Once the unit is switched on, the weight display will indicate that the scale: is set to zero, meaning that there is no load placed on the platform. • the reading is stable, that is to say, there is no external influencing •... -
Page 12: Tare And Tare Record In Memory
5.2. TARE AND TARE RECORD IN MEMORY A short press on this key activates the tare function: The scale memorizes the weight currently on the load receptor and subtracts it from the total weight until the tare function is deactivated or cancelled. The tare function only operates if the weight is stable. - Page 13 Should no tare value have been entered previously for the selected record, the display shows the VALuE option of the configuration menu, which allows the tare value to be entered. When a memorized tare is used, the display shows the (“preset tare”) reading.
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Page 14: Zeroing
5.3. ZEROING Zeroing the scale: A short press on this key sets it to zero. The scale is deemed to be “set to zero” when the weight on the load receptor is lower than ¼ of division. While the scale is “set to zero”, the reading is shown in the display. -
Page 15: High-Resolution Mode
5.5. HIGH-RESOLUTION MODE Double-pressing the TEST key activates the high-resolution mode. In this mode the scale’s resolution is enlarged by x10, allowing the weight to be viewed with a 10-times-smaller division. An additional digit appears in the weight display, and the decimal point is shifted to the left by one position. -
Page 16: H-L Mode (Control Of Upper/Lower Limits)
5.7. H-L MODE (CONTROL OF UPPER/LOWER LIMITS) Keeping this key pressed for more than one second activates or deactivates the upper and lower limit control mode. For an h-L On message to indicate that it instant, the display shows the has been activated, or the h-L Of message to indicate that it has been deactivated. -
Page 17: Dosage Mode
5.8. DOSAGE MODE The dosage mode is activated and configured by accessing the options menu in the d Out section (see section 20 in this manual). Pressing the tare key initiates the dispense cycle, closing the K1 and K3 relay contacts. The display changes to blue to indicate that the dispense cycle has been initiated. -
Page 18: Piece Counter Mode
5.9. PIECE COUNTER MODE Pressing the “U” key activates or deactivates the piece counter mode. In this work mode, the reading shows the number of pieces on the scale instead of the weight. The number of pieces is calculated by dividing the net weight on the scale by a unit weight value. - Page 19 In piece counter mode, all of the scale’s functions remain available: tare and memorized tare, high resolution, limit control, PLU selection, ticket printing or adhesive label. If limit control mode is activated, the value for the lower limit and for the upper limit refers to the number of pieces, not to the net weight on the scale.
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Page 20: Plu - Selection Of Product Code
7. Once this process is complete, the unit weight for the selected record is stored in the unit’s memory and the indicator will automatically switch to piece counter mode, using the unit weight that has just been calculated. If the calculation of the unit weight produces a value outside the indicator’s measurement range, the Err d message will appear and the operation will be cancelled. -
Page 21: Printing A Weighing Ticket
5.11. PRINTING A WEIGHING TICKET In “weight indicator” mode and in “piece counter” mode, the ¿ key acts as a print key. When pressing this key, a ticket is printed with the weight shown on the LCD display. The ticket shows print date and time, the ticket’s serial number, gross weight, tare and net weight. - Page 22 The print key will only be effective if the weight on the scale is stable (the stability indicator is switched on). This gross/tare/net ticket is only possible provided no ticket with accumulated total has been initiated, which has a different format. To initiate a totalizer ticket, weigh the first object to be included in the ticket and press the M+ key.
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Page 23: Configuration Options Menu
6. CONFIGURATION OPTIONS MENU To access the configuration options menu, keep the “M” key pressed for two seconds. The display shows the NEnu message for ½ second to indicate that from then on the indicator will start showing the different selection options. In “menu” mode, use the arrow keys to change to the next option or change the value of one digit in the display when editing the value of a parameter. - Page 24 La siguiente tabla resume las diferentes opciones de configuración y ajuste: NEnu ¯ ¿ OFF • « 30n « 1h « 1h30h A-OFF Options for automatically switching off the unit ¯ ¿ OFF « On « Auto • Bl-On Options for backlighting the LCD display ¯...
- Page 25 ¿ On • « Off 0-trA Activating zero-tracking device ½ ½ ¯ ½ ½ ¿ Yes • « nO 0-dIS Activating zero reading ½ ¯ ½ ¿ CALIB ¿ Procedure for calibrating the scale ½ ¯ ½ ¿ G-COr ¿...
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Page 26: Auto-Off Option
7. AUTO-OFF OPTION A-OFF This option programs the device’s automatic switch-off after a time on idle (not being used). The device is understood to be on idle if there is no variation in the weight indication, and no key is pressed. The possible options are the following: The device always remains switched on. -
Page 27: Sound When Pressing A Key
9. SOUND WHEN PRESSING A KEY BEEP This function activates (“On”) or deactivates (“Off”) the emission of a sound when one of the keypad buttons is pressed. The factory setting for this option is “On”. TARE OPTIONS tArE The possible options are: Preset tare: The tare will be kept until the tare key is pressed again with an empty load receptor platform. - Page 28 To select the desired hold mode, keep the key pressed until the LCD display shows the message giving access to the options in the configuration menu. Press the à key until the display shows the hOLd option and then press the ¿...
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Page 29: Keypad Lock
12. KEYPAD LOCK LOCk This function locks the keypad except for the on / off button and access to the options menu. When a key is pressed with the keypad lock activated, no action is performed and the display shows for 1 second. - Page 30 Configuration of serial port 1. CON 1 Configuration of serial port 2. CON 2 Each one of the serial ports is configured independently, allowing different devices with differentiated running modes to be connected. The configuration options available are the following: Mode in which the data transmission will be made: S-NOD •...
- Page 31 Frame data in a compatible format with the GRAM model Z3 weight indicator. For connecting to PC with Virtual Key PC-0 application. Frame data in a format for the GRAM USB adapter cable. Frame data in a format for the GRAM USBFR adapter cable USbFr (emulating “AZERTY” keypad).
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Page 32: Remote Indicator Mode
Remote indicator mode The K3 indicator can operate as a remote display for another scale by using the “GRAM remote” communication protocol. When a K3 indicator is not configured as a remote indicator, it obtains the weight information from another scale via the RS232 serial port. The connection available for load cell is deactivated. -
Page 33: Pr4/Pr6/Q2 Printer
PR4/PR6/Q2 printer When selecting this option, the scale will send weight information in a ticket print format for GRAM PR4, PR6 printers or Q2 labeller. The ticket can have up to 3 header lines and 1 footer line. The header and footer content is programmable by the user. -
Page 34: Frame Format Usb
Format compatible with the GRAM USB adapter for PC-type computer with Microsoft Windows operative system. From the PC’s point of view, the GRAM USB adapter is a keypad emulation that transforms the information transmitted by indicator K3 into a keypad input. - Page 35 The status byte is built from the binary values of the display indications (tare, zero, gross/net and stability). 20h is added to the result to ensure that the result is printable. The transmitted value is the gross weight. Bit 0 (01h) A tare is set.
- Page 36 The status byte is 63h (‘c‘) 63h – 20h = 43h è Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (stable) (no zero) (Tare on) (Gross) The status byte is 6Ah (‘j‘) 6Ah –...
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Page 37: Communication Protocol
The table below lists the available commands and the response of the K3 indicator. COMMAND RESPONSE Returns a message with the identification of the “GRAM K3 Vxxxx” firmware version. Weight request. The indicator transmits a frame of weight information in a PC0 format. -
Page 38: Configuring The Scale
This menu has various options for configuring the information that appears printed in the tickets generated by the K3 indicator. Setting the time on the scale’s internal clock. Only if the tinE optional real-time clock board is installed. Value of the next ticket number to be printed. It is SEr-n automatically increased with each print, whether it is a single ticket or a ticket with accumulated total. -
Page 39: Settings Menu
Measurement unit: g, kg, oz, lb. unIt Maximum capacity of the scale. Enter the value, including the decimal digits. Division: The smallest increment that the instrument can measure. Possible values are 1, 2, 5, 10, 20 or 50. Position of decimal point. Configuration menu for the instrument’s options 2ErO associated with “zero”. -
Page 40: Scale Calibration
Calibration using a known weight (automatically sets the initial CALIB zero and pending calibration). Gravity adjustment depending on the scale’s geographical G-SET location: ON / OFF correction (activates/deactivates automatic G-COr correction according to geographical location). Geographical location code (see attached table). Manual input (keypad) of the initial zero (in ADC accounts). -
Page 41: Table Of Geographical Adjustment Values
5. Once you enter the weight value, double-press on the ¿ key to validate and move to next step. The display will show the blinking message “-CAL-“ while acquiring the calibration value. 6. Lastly, it will show the message “GEO” for a few seconds, asking for the code of the geographical location where you did the calibration. -
Page 42: Digital Filter
09°52' - 12°44' 12°44' - 15°06' 15° 06' - 17°10' 17°10' - 19°02' 19°02' - 20°45' 20°45' - 22°22' 22°22' - 23°54' 23°54' - 25°21' 25°21' - 26°45' 26°45' - 28°06' 28°06' - 29°25' 29°25' - 30°41' 30°41' - 31°56' 31°56' - 33°09' 33°09' - 34°21' 34°21' - 35°31'... -
Page 43: Weighing Of Live Animals
Possible values are 1 (moving average of 2 readings), 2 (4 readings), 3 (8 readings), or 4 (16 readings). A smaller filter value implies that rapid oscillations in the weight become more visible and vice versa. 17. WEIGHING OF LIVE ANIMALS LIVES An additional filtering is available for weighing live animals or persons which, when moving on the load receptor, cause disruption in the weight reading by... -
Page 44: Digital Outputs
Filtered A/D converter counts. f-Cnt Unfiltered A/D converter counts. R-Cnt 20. DIGITAL OUTPUTS D Out This section of the options menu allows the operation of the optional 3-relay board available for the K3 indicator to be configured. These 3 relay outputs can be used either for controlling an external signalling of the high/low/ok limits in the running mode as a checkweigher (H-L mode) or for the dosage of a product at two speeds. - Page 45 Value of the lower limit, including the decimal part. Value for the upper limit, including the decimal hIGh part. Yes / No: Activating the limits control when ACTIU switching on the unit. The H-L key activates or deactivates the limits control. Setting of values for dosage.
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Page 46: Technical Specs
21. TECHNICAL SPECS Load cell connection Maximum input signal ±4 mV/V Maximum input voltage -0.3 to 5.3 V Internal resolution AD 20bits converter, 1000000 counts (100000 external) Measurement frequency 10 samples per second Linearity error ≤0.01% of the measurement range Exciting voltage 5 Vdc Minimum transducer... - Page 47 Power Network connection Via 12-V supply; 1 A Battery 6V-5AH; Service time 25/60 hours depending on use. Operating conditions and mechanical data Operational +5ºC/+35ºC temperature range Size (mm) 220 x 180 x 83 Weight (kg) 1.5 (including battery) Assembly Desktop Optional: Swivel mount wall/column Tightness IP-65 (K3);...
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Page 48: Connections
22. CONNECTIONS C1 connector, load cell PIN No. SIGNAL TYPE A TYPE B PIN 1 SIG - Blue White PIN 2 SIG + Brown Green PIN 3 MESH Mesh Mesh PIN 4 EXC - Black Black PIN 5 SENSE - Blue 4 MULTI-PIN MOBILE MALE (P700) 7 PINES... - Page 49 RS-232 serial output PIN No. SIGNAL PIN 4 PIN 5 PIN 6 5 MULTI-PIN MOBILE MALE (P700) 8 PINES XTREM scale connector PIN No. SIGNAL PIN 1 +Vcc PIN 2 PIN 3 PIN 4 No conectado PIN 5 6 MULTI-PIN MOBILE MALE (P700) 5 PINES...
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Page 50: Error Messages
23. ERROR MESSAGES ADC fault: No response from Malfunction in scale. Consult AdC-E ADC. helpdesk. Sensor input signal too high Faulty load cell. Cabling in AdC-h (>20mV). poor condition. Sensor input signal too low Faulty load cell. Cabling in AdC-l (<-20mV). -
Page 51: Notes
24. NOTES _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________... - Page 52 005/04112020...