H V- G S e r i e s Platform Scales Instruction Manual
Contents 1 Compliance ........................................................................................3 1.1 Compliance with FCC rules ........................................................... 3 2 Outline and Features ......................................................................... 4 3 Unpacking .......................................................................................... 5 3.1 Accessories and Options list .........................................................
14 Calibration (Adjusting the Scale) ...................................................... 39 14.1 The Gravity Acceleration Table ................................................... 40 14.2 The Complete Calibration Procedure .......................................... 41 14.2.1 Gravity Acceleration Correction ............................................... 41 14.2.2 Preparation .............................................................................. 41 14.2.3 Calibration of the Zero Point ...........
1 Compliance 1.1 Compliance with FCC rules Please note that this equipment generates, uses and can radiate radio frequency energy. This equipment has been tested and has been found to comply with the limits of a Class A computing device pursuant to Sub-part J of Part 15 of FCC rules. These rules are designed to provide reasonable protection against interference when this equipment is operated in a commercial environment.
2 Outline and Features The HV-G series is a platform scale with 1/3000 resolution, and has a “triple weighing range” function to select the weighing range. Type L scales have an LCD (Liquid Crystal Display) and use batteries as a power source to provide portability. This type can also use an AC mains adaptor. Type V scales have a fluorescent display so the weighing value can be read in dim light. This type uses the AC power line as a power source.
3 Unpacking HV-G Instruction Manual Page 5
3.
Options List Order code or option name Accessories OP-03 RS232C interface / Relay output / Buzzer Connector JA:TCP0586 OP-04 RS422/485 interface / Relay output Connector TM:BLA9 AC adaptor OP-06 Built-in printer for type V Paper PP156 Ink ribbon ERC-05 AX-K0557A RS232C cable, D-sub 25 pin, 2m AX-KO1786-200 RS232C cable, D-sub 9 pin, 2m Consumables AX-PP156 Special roll paper AX-ERC-05 Ink ribbon HV-G Instruction Manual Page 7
4 Caution 4.1 Precautions for Installing the Scale Consider the following conditions to get the most from your scale. The best operation is where the temperature and relative humidity are stable, the scale is installed on a solid floor or bench and there is no draft. Do not install the scale in direct sunlight. Do not install the scale near heaters or air conditioners. Do not install the scale where there is flammable or corrosive gas present.
5 Installing the Scale This procedure includes all of the steps for installing the HV-G series scales Step 1 Unpacking Remove the base unit and column from the carton, taking care not to pull on the loadcell cable. Step 2 Fit the pan to the base unit. Step 3 Insert the excess loadcell cable into the column. Attach the column to the base unit so as not to damage the loadcell cable. Affix the column to the bracket using four 5mm Allen screws. Step 4 Select the place for installing the scale. Consider “4.
5.1 Installing the Batteries for Type L Step 1 Turn off the display. Remove the AC adaptor. Step 2 Press and slide to open the external cover. Press the hook of the internal cover to the left side and lift the cover. Step 3 Insert six new dry cells ensuring correct polarity (+,-). Battery size is ‘D’. Step 4 Close the covers opened in step 2. Caution Replace used dry cells with six new ones, when BATT is displayed. Do not mix used and new batteries. It may cause damage to the battery or product.
6 Names HV-G Instruction Manual Page 11
6.1 Display and Symbols Stability mark. When the current weight value is not changing, this mark is displayed. The reading may now be taken. Zero point mark. With nothing on the pan and pressing the ZERO switch, this mark is displayed. The zero point is the starting point to weighing. Net mark. After pressing the TARE switch this mark is displayed to show net weight is displayed Preset tare mark. When storing a tare with digital input this mark blinks. Accumulation mark.
Example:-. Display of the counting mode. This mode uses the registered unit mass, counts the amount of articles on the pan. The unit is PCS. Example:- Storing the unit mass in the counting mode. This is a display of zero point for counting mode and uses 20 pieces for the unit mass registration. Example:- Storing the unit mass in the counting mode. Sign “-” means “weighing value is not zero”. Sample number is 10 pieces. Example:- Percentage mode.
Calibration error. Means “Calibration mass is too heavy”. Check the base unit and weighing pan. Weighed value is unstable due to drift, vibration etc. when turning on the scale. Check around the weighing pan. Check the connection of load cell cable. Remove everything from the weighing pan. Check around weighing pan. Perform zero point calibration of the scale. Accumulated data count Total mass value of the accumulated data. Comparator function = display is an upper limit.
Set switch. Can be used to turn the comparator on/off. (Refer to f6 ) Counting mode, it is used to enter the mode to store the unit mass. Percentage mode, it is used to enter the mode to store the 100% mass. In the full/dribble batch function, it is used as a start switch. In the preset tare, and selecting calibration mass, it is used to select a figure. Mode switch. Used to change the current unit. While setting modes, this switch is used for “storing a parameter and proceeding the next step”.
7 Basic Operation 7.1 Turning the Scale On/Off & Basic Weighing 7.1.1 Type V or Type L with AC adaptor Step 1 Connect the scale to a ground point. Step 2 Ensure that the pan is empty. Step 3 Confirm that local voltage and receptacle type fit your scale. Step 4 The scale turns on/off using the ON/OFF switch alternately. Step 5 Check the accuracy of weighing. If you calibrate the scale, perform it after allowing the scale to warm up for 30 minutes. Step 6 Press the ZERO switch to display zero.
7.1.2 Type L with Batteries Step 1 Install six new batteries. Refer to “5.1. Installing the batteries for Type L”. Step 2 Ensure that the pan is empty. Step 3 The scale turns on/off using the ON/OFF switch alternately. Step 4 Check the accuracy of weighing. If you calibrate the scale, perform it after warming up the scale for 30 minutes. Step 5 Press the ZERO switch to display zero. (With nothing on the pan.) Step 6 Place something on the pan gently.
7.2 Tare (and Net Display) The “Tare” is used to cancel the mass of a container, receptacle, case, bag, etc. which is put on the pan to contain the item to be weighed. Caution The tare reduces the available weighing range. The current tare value is reset by pressing the ZERO switch or turning the scale off. (Reset value is zero.) Storable preset tare value is within minimum weighing range for the HV-G series. 7.2.1 Semi-Automatic Tare (Input by Weighing) Step 1 Put the container onto the pan.
7.3 Weighing Range This is the function to select a weighing range. The mass value is displayed within a selected range. There is the automatic range (f2 0) and manual range (f2 1) using the RANGE switch. Operation and Performance Function Table f2 0 f2 1 Meaning and purpose Automatic range Weighing range changes automatically as items are placed onto the pan.
7.4 Mode Switch (Changing Unit & Mode) Pressing the MODE switch the display changes as shown below. Refer to the function table f3 for available units. Useable units are according to the factory settings.
8 Counting Mode Counting Mode In counting mode the total weight of articles is converted to a count and assumes all articles have the same mass value. It is necessary to store a unit mass to count articles. 8.1 Storing a Unit Mass Step 1 Press the MODE switch to display the unit PCS. Step 2 Press the SET switch to enter the mode to store a unit mass. Step 3 Press the ^ switch to select the number of samples. The greater the quantity of samples, the greater the accuracy of the count.
8.2 Step 1 Counting the number of articles Press the MODE switch to display the unit PCS Step 2 Store the unit mass of the item. Refer to “8.1 Storing a Unit Mass” Step 3 Put the container only onto the pan. Press the TARE switch. Step 5 Put articles into the container and read the count. Step 6 Remove all items from the pan.
9 Percentage Mode The percent mode is to display a mass value in the unit of “%”. It is necessary to store a 100% mass value, in advance to use this function. 9.1 Storing a 100% Mass Step 1 Press the MODE switch to display the unit %. Step 2 Press the SET switch to enter the mode that stores a 100% mass. Step 3 With nothing on the pan press the ZERO switch to display zero. Step 4 Put the 100% mass on the pan gently. Press the ENTER switch to store it after the stability mark is displayed.
9.2 Reading Percentage Step 1 Press the MODE switch to display the unit %. Step 2 Store the unit mass of the article. Refer to “9.1 Storing a 100% Mass “ Step 3 If a container is needed, put the container only onto the pan and press the TARE switch. Step 4 It is now possible to put the item into the container and read the percentage. Step 5 Remove all items from the pan.
10 Accumulation Function This function counts the number of weighed items, calculates the total mass value and can display the number and accumulated mass value. It is necessary to set the parameters of the “accumulation function ( f8 )” in the function table in advance to use this function. It is necessary to set the parameters of the “print mode ( f9 advance to use the optional built-in printer.
Function table f8 4 Meaning & Purpose When the display is a stable value, the scale accumulates the data automatically. The next accumulation can be performed after the display returns to near-zero. Used for recording the number and mass of articles removed from the pan. (Put the articles on the pan. Press the TARE switch at each removal.) f8 5 At each finish of the full/dribble batch function, the scale accumulates the data automatically.
10.2 Operation and Performance (Examples) Example 1 Weighing each article, the scale makes the accumulation according to f8 3 . Step 1 If accumulation has previously been used press the MODE switch to display . Step 2 Press the ZERO switch to reset the accumulation data. Step 3 Return to the kg mode using the MODE switch. Press the ZERO switch with nothing on the pan. Step 4 Put an article on the pan. Wait for the stability mark to be displayed and the value to be blinking.
11 Comparator Function This function compares a display value with the upper limit (HI) and the lower limit (LO) and displays these results. It is necessary to set the “comparator function ( f6 0 ~ f6 7 )” parameters, upper limit value (HI) and lower limit value (LO) in the function table, in advance to use this function. It is necessary to install option OP-03 or OP-04, if you use the relay output of the comparator.
11.1 Preparation (Setting Parameters) Step 1 Turn off the display. Press the ON/OFF switch while the ZERO switch is pressed and held. The function table is displayed. Step 2 Press the ENTER switch to display an item of the accumulation function ( f6 ). Step 3 Select a parameter of the comparator function ( f6 0 ~ f6 7 ) with the ^ switch. Step 4 Press the ENTER switch to store the new parameter. Step 5 Press the F switch and the ENTER switch to exit from the function table.
Step 6 If one of f6 0 , f6 2 , f6 4 , f6 6 has been selected, press the SET switch to use the comparator. Step 7 Press the MODE switch to display the blinking HI. Step 8 Set the upper limit value by using the following switches. ^ switch Selecting the value of a digit. < switch Selecting a digit. F switch Selecting the polarity (+,-). Step 9 Press the ENTER switch to store the new parameter and display the blinking LO. Step 10 Set the lower limit value by using the following switches.
11.2 Operation and Performance (Examples) Example 1 This example is set as follows: f6 3 (If the current display value is not near-zero, Function table the scale compares the display value with the upper limit value and the lower limit value immediately.) Upper limit value (HI) 7.000kg Lower limit value (LO) 6.500kg Case The comparison starts at turning the scale on. When the current value is less than 6.500kg, LO is displayed. When the current value is between 6.500kg and 7.000kg, OK is displayed.
12 Full/Dribble Batch Function This function changes the scale to a filling machine which sub-divides a bulk product,e.g. grain, into loads of predetermined and virtually constant mass. It is necessary to set the parameter of the “comparator function ( f6 9 )”, “ full/dribble batch sub-function ( f10 0 ~ f10 3 )” in the function table, final value (HI), preliminary value (OK) and zero band (LO) in advance to use this function.
Caution The comparison of the full/dribble batch function is not reversible (One way sequence). If the display value becomes less than the final value after the value reached a predetermined target value, neither HI or LO is on. The parameters of the upper limit value (HI) and the final value (HI) use the same memory. The parameters of the lower limit value (LO) and the zero band (LO) use the same memory.
12.1 Preparation (Setting Parameters) Step 1 Turn off the display. Press the ON/OFF switch while the ZERO switch is pressed and held. The function table is displayed. Step 2 Press the ENTER switch to display an item of the comparator function ( f6 ). Step 3 Select a parameter of the full/dribble batch function ( f6 9 ) with the ^ switch. Step 4 Press the ENTER switch to store the new parameter and display an item of the full/dribble batch sub-function ( f10 ) .
Step 8 Press the MODE switch to display the HI, flashing, (of the final value). Step 9 Set the final value using the following switches:^ switch Selecting the value of a digit. < switch Selecting a digit. Step 10 Press the ENTER switch to store the new parameter and display the blinking OK (of preliminary value). Step 11 Set the preliminary value using the following switches. ^ switch Selecting the value of a digit. < switch Selecting a digit.
13 Simple Batch Function This function compares a display value with the final value, preliminary value and zero band for the full/dribble batch function. The result is indicated to zero band (LO indicator), full flow (HI indicator) and dribble flow (OK indicator). Even if a weighing value increases and decreases this function continues to compare.
Caution The parameters of the upper limit value (HI) and a final value (HI) use the same memory. The parameters of the lower limit value (LO) and the zero band (LO) use the same memory. The upper/lower comparator function, the simple batch function and the full/dribble batch function cannot be used at the same time because these parameters use common memory. 13.1 Preparation (Setting Parameters) Step 1 Turn off the display. Press the ON/OFF switch while the ZERO switch is pressed and held.
Step 6 Press the MODE switch to display the blinking HI (of the final value). Step 7 Set the final value using the following switches. ^ switch Selecting the value of a digit. < switch Selecting a digit. Step 8 Press the ENTER switch to store the new parameter and display the blinking OK (of preliminary value). Step 9 Set the preliminary value using the following switches. ^ < switch switch Selecting the value of a digit. Selecting a digit.
14 Calibration (Adjusting the Scale) The scale is an instrument which weighs the “weight” and displays its “mass”. Calibration is the adjustment function so that the scale can weigh correctly. There are three steps to calibration. Gravity Acceleration Correction ....When a calibrated scale is moved to a distant place, the scale can correctly weigh by adjusting to a new local gravity acceleration. Refer to the “gravity acceleration table” on the next page. Calibration of the Zero Point ........
14.1 The Gravity Acceleration Table Amsterdam Athens Auckland NZ Bangkok Birmingham Brussels Buenos Aires Calcutta Chicago Copenhagen Cyprus Djakarta Frankfurt Glasgow Havana Helsinki Kuwait Lisbon London (Greenwich) Los Angeles Madrid 9.813 9.800 9.799 9.783 9.813 9.811 9.797 9.788 9.803 9.815 9.797 9.781 9.810 9.816 9.788 9.819 9.793 9.801 9.812 9.796 9.
14.2 The Complete Calibration Procedure 14.2.1 Gravity Acceleration Correction Step1 Step2 Turn on the display. Open the rear cover of the display unit. Inside the display unit, press and hold the CAL switch to enter the calibration mode. Then Cal 0 is displayed. Press the ZERO switch to enter the gravity acceleration correction mode. Step3 Set your local gravity acceleration using the following switches. ^ switch Selecting the value of a digit. < switch Selecting a digit.
14.2.3 Calibration of the Zero Point Step 8 Press and hold the CAL switch to enter the calibration mode after displaying normal weighing for 30 minutes. Then the Cal 0 is displayed. Step 9 With nothing on the pan, press the ENTER switch while the stable mark is displayed. The scale stores the current condition as the zero point. . Step 10 The scale displays 5pn1 for several seconds. If finishing the calibration mode at this stage (Zero calibration only), proceed to step 14. 14.2.
15 The Function Table The function table is provided to store and reference items that determine the performance of the scale. Each item has a parameter. The parameters are maintained even without power applied. 15.1 The Procedure for Setting Parameters Step 1 Turn off the display. Press the ON/OFF switch while the ZERO switch is pressed and held. The function table is displayed. Step 2 Set parameters for each item using the following switches. ^ switch Selecting the parameter of an item.
15.2 Parameter List Item Display Meaning and purpose ? The type L scale is turned off after 5 minutes of no operation, when displaying zero. Automatic f1 0 # Not used ? turning off f1 1 Used? Selects the method of changing the weighing range Range f2 0 # Automatic range change. ? f2 1 Manual range change using the RANGE switch. ? Transmission rate of the serial interface (RS-232C/ 422/485).
Item Display Comparator f6 4 f6 5 f6 6 f6 7 f6 8 f6 9 Buzzer f7 f7 f7 f7 f7 f7 f7 f7 f7 0 # 1 2 3 4 5 6 7 8 Accumulator f8 0 # f8 1 f8 2 f8 3 Meaning and purpose ? When the display value becomes stable the scale compares the display value. Pressing the SET switch turns the comparator on and off. When the display value becomes stable, the scale compares the display value. It does not compare on an unstable condition.
Item Display Accumulation f8 4 f8 5 f9 0 # f9 1 f9 2 Print Mode Meaning and purpose When the display becomes a stable value, the scale accumulates the data automatically. Next accumulation can perform after the display becomes near-zero. Use: Recording number and mass of articles removed from the pan. (Put articles on the pan. Press TARE switch at each removal.) At each finish of full/dribble batch function, the scale accumulates the data automatically.
Item Display Hold f12 0 # f12 1 f12 2 Averaging f13 0 # f13 1 f13 2 Precision of unit mass f14 0 # f14 1 f14 2 Data Format f15 0 # f15 1 Date f16 000000 other Meaning and purpose The function to hold the current display value. When the value becomes near-zero and the weighing value changes more than 25% +30 digits, hold display is cancelled. Not used The hold function is ON or OFF alternately by the F switch. Displaying the stability mark, the display is held.
16 RS-232C Serial Data Interface RS-232C interface has the following two modes. Stream mode Outputs data countinuously and can be used for printing data. Command mode Controls the scale using commands from a computer. It is necessary to set the parameters of the “Baud rate ( f4 )”, ”Output mode ( f5 )”, “ Format ( f15 )” in the function table in advance.
16.1 Data Format Bit Format Format 1 There are four headers for the type of data and weighing condition. Stable weighing data ST Unstable weighing data Stable counting data QT Out of range (over) US OL The weighing data consists of 9 characters including decimal point and polarity. The polarity is always output. There are three units. The unit is 3 characters. In case of “out of range”, numbers become all 9’s. The terminator is always output as CR LF.
Format 2 There are four headers for the type of data and weighing condition. Stable weighing data ST Unstable weighing data Stable counting data QT Out of range (over) US OL The weighing data consists of 7 characters including decimal point and polarity. The data consists of 7 characters in the counting mode. The polarity is always output. There are three units. The unit is 2 characters. In case of “out of range”, numbers become all 9’s. The terminator is always output as CR LF.
16.2 Stream Mode The scale outputs the current display data at the same time as refreshing the display. The scale does not output data while in the setting mode. Averaging function table f13 0 Normal weighing Refresh rate Approximately 7 times/s while the display is unstable. Approximately 4 times/s when the display is stable f13 1 A person’s weight Approximately 4 times/s f13 1 Animal weighing Approximately 4 times/s 16.2.1 Preparation and Performance (Examples) Step 1 Turn off the display.
16.3 Command Mode The command mode is the function which can perform “output data”, “controlling the scale” and “setting parameters” by a command transmitted from a computer. Caution Allow at least 500 milliseconds between commands. 16.3.1 Command List The following explanation uses “format 1 ( f15 0 )” Data output The current weighing data is output. Template Q Command Reply Selection of mode and unit Selects the mode and unit.
Preset tare Tare value is set and the net is displayed. The net mark is displayed. Template Command Response PT, [parameter] Net is displayed. Upper limit value An upper limit value is stored. Template HI, [parameter] Command Response The upper limit value is stored. Lower limit value A lower limit value is stored. Template LO, [parameter] Command Response The lower limit value is stored. Caution The lower limit value must be less than the upper limit value.
Final value The final value is stored. Template S0, [parameter] Command Response The value is stored. Preliminary value The preliminary value is stored. Template S1, [parameter] Command Response The value is stored. Zero band The zero band is stored. Template S2, [parameter] Command Response The value is stored.
16.4 Preparation (Setting Parameters) Step 1 Turn off the display. Press the ON/OFF switch while the ZERO switch is pressed and held. The function table is displayed. Step 2 Select a parameter of the “baud rate ( f4 )” using the ENTER and ^ switches. Step 3 Select “command mode ( f5 1 )” of the “output” using the ENTER and ^ switches. Step 4 Select “format 1 ( f15 0 )” of the “format” using the ENTER and ^ switches. Step 5 Press the ENTER switch to store the new parameters.
17 Options 17.1 RS-232C / Relay output / Buzzer (OP-03) Replacing RS-232C interface with this option, refer to “ RS-232C Serial Interface” for its specification. The following option cables can be used, when you do not use the relay output. AX-KO557A, AX-KO1786-200 Pin connections Pin No.
17.2 RS-422 / RS-485 / Relay output (OP-04) Replacing RS-232C interface with this option, the RS-422/ RS-485 interface can connect up to 16 scales and control them from a computer. The RS-422/ RS-485 interface has the following two modes. Stream mode Outputs data countinuouslly. Command mode Controls the scale using commands from a computer. It is necessary to set the parameters of the “Baud rate ( f4 )”, “ Output mode ( f5 )”, “ Format ( f15 )” in the function table in advance.
Circuit Caution Please confirm that the AC adaptor type is correct for your local voltage and receptacle type. Selection switch for the RS-422/ RS-485 interface Selects either of RS-422 or RS-485 interface using a switch on the board. Installing OP-04 Step 1 Step 2 Step 3 Remove two screws that attach the RS232C board on the rear of the display unit. Remove the RS232C board. Switch the connections.
17.2.1 Communication Format Commands consist of an address and the same command as for the RS-232C. Commands return the same command when there is no transmitting data. If address is 23, the repl y is as follows: Normal response Response of impossible command Undefined command response Bit format 17.2.2 Command List The following explanation uses “format 1 ( f15 0 )” and assumes address is 23 Data output The current weighing data is output.
Zero The current mass value is set to the zero point, this is same as the ZERO switch. Template Z Command Reply The mass value becomes zero and zero point mark is displayed. Tare The current mass value becomes zero after placing a tare (receptacle, case, etc) and the net is displayed. This is same as the TARE switch. Template T Command Reply The current mass value becomes zero and net mark is displayed. Cancel of tare The display value becomes the gross and the net mark is turned off.
Accumulation data output Accumulated data is output. Template A Command Reply Accumulation count output Number of accumulations is output. Template N Command Reply Reset of Accumulation data and number Data and number of accumulations become zero. Template CA Command Reply Data and number of accumulations become zero. Final value The final value is stored. Template S0, [parameter] Command Reply The value is stored. Preliminary value The preliminary value is stored.
17.3 Internal Printer for Type V (OP-06) It is necessary to set the parameter of the “Print mode ( f9 )” in the function table in advance. It is necessary to set the parameter of the “Date ( f16 )” on the function table in advance. Caution The date Parameter is not updated automatically. Specification Kind 5x7 dot matrix impact type Characters 16 characters in a line Width of roll paper 44.
Installation of OP-06 Caution This option cannot be used with type L (Liquid Crystal Display) scales. Packed with the option OP-06 are the following items which are used to install the printer into your scale. Reference No. 6 7 8 a b Description Printer cover Printer unit Printer control board Self tapping screw Screw with washer Paper roll (PP-156) Spare ink ribbon (ERC-05) Installation Method 1. Disassembly a) Disconnect the scale power plug from the AC mains supply socket.
(a) Connect the cable between J2 and J3 on the upper case (Item 1). (b) Free the 2 pin cable on the lower case (Item 2) and connect it to CN1. (c) Screw the upper case (Item 1) to the lower case (Item 2) using the 4 screws (Items c). (d) Secure the rear cover (Item 3) to the lower case (Item 2) with the 2 lock screws. (e)Secure the printer cover (Item 6 to the upper case (Item 1). 3. Performance Check a) Press ON/OFF key while holding the ZERO key pressed. b) F1 will be displayed - press the MODE key.
18 Specifications HV-G series Product Weighing Capacity [kg] Min. weighing (1 digit) [g] Number of samples in counting mode [units] Max.
Dimensions HV-G Instruction Manual Page 66
HV-G Instruction Manual Page 67
19 Maintenance Refer to “4. Caution” for use. Refer to “6.1. Display and Symbols “ and corresponding mode for displayed error code. Refer to “14. Calibration (Adjusting Scale)” for precision weighing. Periodically check the accuracy of weighing. Calibrate the scale, if it is moved to another location or the environment has changed. 19.1 Repair Do not disassemble/ assemble the scale without an authorised service engineer. It may cause an electric shock or damage to the scale, etc.
