Shinko Denshi CT1602, Operation Manual

Page 1: ... Balance ＣＴ Series Operation Manual SHINKO DENSHI CO LTD IMPORTANT To ensure safe and proper use of the balance please read this manual carefully After reading this manual store it in a safe place near the balance so you can review it as needed ...

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Page 3: ...the instrument s high speed and stability intrinsic to a tuning fork design help boost operational efficiency Before using the balance please check that the following items have been included in the package Should you find any missing parts please contact your local dealer 1 Main unit of balance 2 Measurement pan 3 Windshield ring 4 Pan base 5 Windshield 6 AC adapter one 7 DIN5P plug set 8 Operati...

Page 4: ...nctions 16 4 3 Interface Section 17 5 Switching Function for Units of Measurement 18 6 Calibrating the Balance 20 7 Input output functions 7 1 Terminal Numbers and Functions 22 7 2 Connection between Balances and Personal Computers 23 7 3 Interface Specifications 24 7 4 Output Data 24 7 5 Input Commands 26 8 Operating the Balance with the Battery 28 9 Removing the Windshield 29 10 Troubleshooting ...

Page 5: ...results RECOMMENDED This term indicates steps that the user should take to ensure the quality and reliability of the balance Meanings of Symbols Each symbol is accompanied by an instruction 強制記号 Mandatory Symbol Indicates a mandatory action that should be executed without fail 水平確認 Check Level 禁止記号 Prohibitive Symbol Indicates a prohibited action that must not be executed 使用禁止 Do not Use 注 意 CAUTI...

Page 6: ...tric shock 定格外禁止 Keep Dry Do not use the balance in a location were it may be subjected to excess moisture Electric shock or short circuiting could occur The balance may be corroded with resultant malfunction 定格外禁止 Do Not Leave Afloat Do not use the balance with its adjusters lifted The balance will become unstable preventing accurate measurement 定格外禁止 Avoid Dust Do not use the balance in a locati...

Page 7: ...rature increase in the balance may lead to inaccurate measurement Unplug Adapter If the balance is to be unused for an extended period of time unplug the adapter This conserves power and prevents deterioration 定格外禁止 Do Not Use Do not use volatile solvents for cleaning The body may be distorted To clean the unit of stains use a piece of dry cloth or cloth soaked in a small quantity of neutral deter...

Page 8: ...ideal Vibration Shaking The measuring room should preferably be located on the ground floor or in the basement Higher floors are more susceptible to heavy vibration and shaking which make such locations less suitable for measurement A room facing a railway or road with heavy traffic should also be avoided as much as practicable Drafts Avoid choosing a location subject to a direct draft of airflow ...

Page 9: ...is in mind be sure to discharge charged samples before measurement Magnetism A sample affected by magnetism indicates different weight values depending on where it is located on the measuring pan along with resultant poor reproducibility of the results When a magnetized sample must be measured first demagnetize it or place an appropriate pedestal on the measuring pan to adequately separate the mec...

Page 10: ...r external calibration weight to ensure accurate measurement at all times For more precise calibration use an external calibration weight that approximates the weighing capacity Moreover calibrate the balance only after enough warm up time and loading near capacity weight Calibration is also required in the following cases When operating the balance for the first time When not using the balance fo...

Page 11: ...ng the level of the balance Turn the adjusters until the bubble rests in the center of the red circle Adjusters Total of two one on either side of the unit s front AC adapter connector Measurement pan Liquid crystal display LCD See page 6 RS232C connector Windshield Front View Rear view ...

Page 12: ...tola 0 Zero point Indication of stable balance If the light is off the balance is unstable Balance powered up Lights up when the power is turned off or data transmitted M Display of set values from memory If a value is flashing it is being saved CAL Stays on and flashes while span adjustment is in progress Bar graph Lights up when the balance is battery operated The indication changes to when the ...

Page 13: ...key Brief press toggle switches the units to be displayed in succession ct g etc Brief press selects an item when setting the function Continuous press invokes various functions Longer continuous press invokes span adjustment Zero Tare key Brief press resets the indication to zero when using zero point setup or tare subtraction Brief press selects a function when operating the balance in the funct...

Page 14: ...pan base in the correct direction as illustrated below 2 Securing the exact level of the balance Turn the adjusters until the bubble rests in the center of the red circle on the level The adjuster is located on either side at front 3 Connecting the AC adapter Connect the AC adapter to the balance as illustrated at left Caution If the balance has the battery installed refer to 8 Operating the Balan...

Page 15: ...s A few seconds after startup the indication is reset to zero 3 Switching the measurement mode Press the Function key Each time the key is pressed the unit of measurement changes as indicated The balance is shipped from the factory with the following switching sequence ct g ct 4 Verifying changes in the read out indicator Press the measurement pan lightly and make sure that the read out indicator ...

Page 16: ...ndicate only the weight of the sample loaded in the tare Weighing only the weight of an added sample 4 Resetting the indication to zero Press the Zero Tare key The total weight of the sample loaded on the measurement pan is indicated as zero 5 Adding samples to be measured The balance indicates only the weight of an added sample When the weight of a sample currently loaded on the measurement pan i...

Page 17: ... indicator remains on If the balance becomes unstable the stability indicator will disappear When a displayed value flickers or the stability mark flashes on and off it is likely that the balance is being affected by wind or other vibrations Use the windshield or vibration dampers to protect against such adverse effects 4 When the read out indicator is reset to zero or the tare is subtracted the b...

Page 18: ... the next item Press the Function key The indication changes to the next item 3 A 0 1 Auto zero 3 Selecting an item Pressing the Function key advances the function items at the rate of one item per press 4 Changing the content of an item Select the item to be changed with the Function key Each press of the Zero Tare key changes the digit on the right end Select the desired one 5 Terminating the fu...

Page 19: ...tes Response speed 5 rE 0 Measurement by consecutive weighings 1 Fast Slow 2 3 4 5 Stability parameters 6 S d 1 Wide mild Narrow strict 2 3 4 Interface 7 I F 0 Disable input output 1 Six digit numeric format 2 Seven digit numeric format Setup of units of measurement to be displayed Register selected measuring units with Function key 81 S u 85 S u 2 01 g 1 02 ct 15 oz 16 lb 17 ozt 18 dwt 19 Lower r...

Page 20: ...when unstable Even if the sample is not replaced the balance is output once when it stabilizes next time including the zero indication 6 Outputs once if stable and outputs continuously when unstable Even if the sample is not replaced output of the balance stops when it stabilizes after being output once 7 Pressing Print key causes the balance to output once when stable Baud Rate 72 b L 1 1200 bps ...

Page 21: ...es 81 S u to 85 S u are entered prior to use the desired unit of measurement to be displayed can be chosen simply by pressing the Function key For more information on the units of measurement that can be set here please refer to 4 2 Description of Functions on page 13 Example To change the default factory settings to pound units use 83 S u in the factory settings 1 Display the function item 83 S u...

Page 22: ...unction items 81 S u to 85 S u prior to use the desired unit of measurement to be displayed can be selected simply pressing the Function key For more information on the units of measurement that can be set please refer to 4 2 Description of Functions on page 13 2 The units are displayed in the same sequence as the settings made from 81 S u to 85 S u 3 If 00 is set no unit of measurement will be di...

Page 23: ...nt is required to produce accurate measurements Always perform calibrations without samples loaded on the measurement pan 1 Activating the span adjustment function Press and hold down the Function key Release the key when the display changes from Func to CAL 2 Starting the span adjustment Press the Function key while holding down the Zero Tare key then release both keys simultaneously The display ...

Page 24: ...e heavier than half the capacity of the balance To implement a calibration as precisely as possible use a weight close to the capacity of the balance 3 If problems arise during span adjustments one or more of the following error messages will appear 1 o Err The calibration weight exceeds the capacity of the balance 2 1 Err The calibration weight is less than half the capacity of the balance 3 2 Er...

Page 25: ...al ground RS232C connector DIN 5 pin female Rear panel Tare subtraction zero adjustment is possible by connecting an external tare subtraction input and a signal ground through contacts or a transistor switch When following this procedure secure a connection time of at least 400 milliseconds When the switch is off the voltage maximum is 15 V when the switch is on the sink current is 20 mA or less ...

Page 26: ...ection with an IBM PC AT compatible Sample connection with PC9801 Balance DIN5P IBM PC AT compatible D SUB9P TXD RXD GND DCD RTS CTS DSR DTR RXD TXD GND 3 2 5 1 7 8 6 4 3 4 5 PC9801 D SUB25P TXD RXD GND DCD RTS CTS DSR DTR RXD TXD GND Balance DIN5P 3 4 5 3 2 5 20 7 8 6 4 ...

Page 27: ... 0 1 bits Stop bit 2 bits 6 Parity bit none odd even 7 4 Output Data By changing the function settings on the main unit of the balance users can select either of the following formats See 4 2 Description of Functions on page 13 7 4 1 Data Format 1 Six digit numeric format Composed of 14 characters including the terminators CR 0DH LF 0AH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 P1 D1 D2 D3 D4 D5 D6 D7 U1 U...

Page 28: ...of leading portion of value leading zero suppress 7 4 4 Units U1 U2 two characters All the codes are ASCII codes U1 U2 Code Meaning Balance indicators C T 43H 54H carat SP G 20H 47H gram g O Z 4FH 5AH ounce L B 4CH 42H pound O T 4FH 54H troy ounce D W 44H 57H pennyweight G R 47H 52H grain lower right T L 54H 4CH tael Hong Kong T L 54H 4CH tael Singapore Malaysia upper right T L 54H 4CH tael Taiwan...

Page 29: ...nd it transmits an error end response If the balance is working properly it usually returns a response within a second after it receives the transmitted command If the balance receives a transmission while it is conducting a procedure such as the setup of a function or a span adjustment it will transmit a response when the procedure finishes 3 When transmitting more than one command to the balance...

Page 30: ...ce stops when it stabilizes after being output once Ｏ 7 4FH 37H Pressing Print key causes the balance to output once when stable Ｏ 8 4FH 38H Output once immediately Ｏ 9 4FH 39H Output once after stabilization The output controls executed with commands O0 O7 work the same as the output controls executed through function setup on the main unit of the balance The commands O8 and O9 are data request c...

Page 31: ...arge the battery with a weak current when the power is switched on Overcharging will also decrease battery life 2 When the balance is used for the first time after purchase the operating time may be shorter than when using a fully charged battery This is due to natural discharge of the battery Although the balance can be used while is flashing it should be recharged as soon as possible 3 When the ...

Page 32: ...29 9 Removing the Windshield When you remove the windshield follow the instruction in sequence ...

Page 33: ... weight range container weight of sample A section of the mechanism is damaged Check the total weight Execute tare subtraction again Contact our local dealer u Err is displayed A foreign object is caught between the measuring pan pan base and the balance A section of the mechanism is damaged Remove the measurement pan and examine the surface beneath it b Err is displayed d Err is displayed The bal...

Page 34: ...Measuring function Weight mode 4 Overload indication o Err is displayed if weight capacity 9 intervals are exceeded 5 Compatible printer CSP 160Ⅱ 6 Operating temperature and humidity ranges 0 C to 40 C 80 RH or less 7 AC adapter Dedicated AC adapter 100 240V AC 9 12V DC 11 3 Capacity and readability by Unit Unit of measurement displayed CT603 CT1602 Capacity Readability Capacity Readability ct 600...

Page 35: ...65 24 11306 1mom 3 75 18 75 0 13228 0 00827 0 12057 2 41131 1to 11 66380 58 31902 0 41143 0 02571 0 37500 7 5 unit grain tael Hong Kong tael Singapore Malaysia tael Taiwan momme tola 1g 15 43236 0 02672 0 02646 0 02667 0 26667 0 08574 1ct 3 08647 0 00534 0 00529 0 00533 0 05333 0 01715 1oz 437 5 0 75742 0 75 0 75599 7 55987 2 43056 1lb 7000 12 11874 12 12 09580 120 95797 38 88889 1ozt 480 0 83100 ...

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