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Bongshin BS-3520, Instruction Manual

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Bongshin BS-3520 Instruction Manual Download Page 63

62

 

1

2

1

2

LO

LOW

HIGH

OK

HI

HOLD

ZERO

BS

DIGITAL INDICATOR

-3520

M

1

2

3

4

LO

LOW

HIGH

OK

HI

HOLD

ZERO

BS

DIGITAL INDICATOR

-3520

M

1

2

3

4

LO

LOW

HIGH

OK

HI

HOLD

ZERO

BS

DIGITAL INDICATOR

-3520

M

1

2

3

4

LO

LOW

HIGH

OK

HI

HOLD

ZERO

BS

DIGITAL INDICATOR

-3520

M

1

2

3

4

LO

LOW

HIGH

OK

HI

HOLD

ZERO

BS

DIGITAL INDICATOR

-3520

M

1

2

3

4

LO

LOW

HIGH

OK

HI

HOLD

ZERO

BS

DIGITAL INDICATOR

-3520

M

1

2

3

4

14.  Key Lock Mode

 

 

It is a key lock mode.  
It is a mode to protect calibration & zero setting and function item setting value.  

Entry to relay setting value change mode is available only. 

 

14-1 Key lock method

 

 

 

 
 
 
 
 
 
 
 

 

Push No.2 key while pushing 

No.4 key.

 

LoCK is displayed and it is 

turned into key lock mode. 

    

 

14-2  Key lock cancellation 

 

 

 

 
 
 
 
 
 
 
 

 

Push No.2 key while 

pushing No.4 key.

 

UnLoCK is displayed and 

key lock is cancelled.

           

 
 
 

 
 
 

 
 
 

 
 
 

 

Summary of Contents for BS-3520

Page 1: ...BS 3520 Digital Indicator The Better Way for Weighing Measurements ...

Page 2: ...eplace Fuse 12 6 Calibration 13 6 1 Calibration Mode 13 6 2 Digital Calibration Mode 14 6 3 Actual Load Calibration Mode 16 6 4 Linearization Calibration Mode 18 6 5 Digital Zero Calibration Mode 21 7 Function Mode 24 7 1 Function Setting Method 24 7 2 Function Items 25 8 HOLD 30 8 1 Hold Mode 30 8 2 Hold Type 32 8 3 Hold Operation 33 9 Relay Mode 35 9 1 Relay Mode 35 9 2 Relay Comparator Mode 38 ...

Page 3: ...1 BCD Output 51 11 1 BCD Parallel Output 51 12 Serial Output 52 12 1 RS 232C 422 485 Serial Interface 52 12 2 Format 54 13 Check Mode 59 13 1 Operation for Each Check Mode 59 14 Key Lock Mode 62 14 1 Key Lock Method 62 14 2 Key Lock Cancellation Method 62 15 Repair 63 15 1 Error Message 63 15 2 Load Cell Inspection 63 15 3 Load Cell Access Diagnosis 64 15 4 Pattern of Display Letters 64 16 Warrant...

Page 4: ...BS 3520 is high precision high speed indicator of 96x96mm size High precision 24bit Sigma Delta A D converter High speed A D and D A conversion of 2000 time sec A D external resolution 1 20 000 Actual load or digital calibration Linearity Compensation Function 4 point excluding zero External display of min max setting value Low OK and High relay contact output Hold or Peak hold function Basic equi...

Page 5: ...witch before connecting peripherals Grounding of equipment shall be conducted in order to prevent electric noise and fall Exertion of voltage or current over maximum allowable value will lead to damage in the product Power voltage shall be set within allowable range Use outside allowable range may cause fire electric shock and defect Please understand the fact that contents of manual may be change...

Page 6: ... 5digit Range of Max Display 19999 19999 min gradation 1 199950 999950 min gradation 50 Display Conversion Speed 1 000 times sec 1 time sec Polarity indication minus sign Annunciators LO OK HI HOLD ZERO Display increments 1 2 5 10 20 50 selectable Decimal Point Location 0 0 0 0 00 0 000 0 0000 selectable to any points Power Source AC 85 240V 50 60Hz Free Voltage Power Consumption Approx 20VA Range...

Page 7: ...ze PANEL CUT 92 92 91 91 96 96 6 126 9 141 EXC EXC COM2 L 3 L 2 L 1 ZERO COM1 HOLD 6 INPUT OUTPUT LOAD CELL 7 8 9 10 11 12 1 2 3 4 5 CURR VOLT AC85 AC240V 48Hz 63Hz M 1 2 3 4 LO LOW HIGH OK HI HOLD ZERO BS DIGITAL INDICATOR 3520 ...

Page 8: ...tion mode Status Lamp LO It flickers when measurement value is under min setting value It flickers when it is lower or higher than RY1 relay setting value OK It flickers when low value measurement value max value It flickers when it is lower or higher than RY2 relay setting value HI It flickers when measurement value exceeds max setting It flickers when it is lower or higher than RY3 relay setting...

Page 9: ...o 4 key or No 4 key while pushing No 3 key It is used when entering function mode No 3 key while pushing No 1 key or No 1 key while pushing No 3 key It is used when entering calibration mode No 3 key while pushing No 2 key or No 2 key while pushing No 3 key It is used when entering relay setting mode No 2 key while pushing No 1 key or No 1 key while pushing No 2 key It is used when entering hold m...

Page 10: ...AC240V 48Hz 63Hz EXC EXC COM2 L 3 L 2 L 1 ZERO COM1 HOLD 6 INPUT OUTPUT LOAD CELL 7 8 9 10 11 12 1 2 3 4 5 CURR VOLT AC85 AC240V 48Hz 63Hz Load Cell Input Output Option Grounding Power Serial Output Connection 5 Description on Rear Panel Standard Specification Analog Output Option BCD Output Option 5 1 Description on Each Terminal Unit 5 1 1 Power AC IN Terminal No Name Contents L AC IN Power Inpu...

Page 11: ...shall be separated and then installed Please use shield cable for load cell cable In case of extending the load cell cable use of load cell cable of our company is recommended Shield cable of load cell cable shall be connected to BS 3520 terminal only In case of sealing road cell input cable SIG green and SIG blue cable shall be connected to No 4 and No 3 respectively There may be abnormality in r...

Page 12: ... 1 4 Output 9 10 11 12 Terminal No Name Contents 9 L1 LO RY1 relay output terminal a b contact point output based on mode setting 10 L2 OK RY2 relay output terminal a b contact point output based on mode setting 11 L3 HI RY3 relay output terminal a b contact point output based on mode setting 12 COM2 Common terminal for relay output Output method differs based on relay mode setting Refer to relay ...

Page 13: ...ry of cable to terminal may cause the damage of terminal Do not insert cable to top of terminal to insert driver 5 2 2 How to replace fuse 1 Loosen the bolt of rear panel and pull off PCB as illustrated in the figure 2 Replace the fuse Fuse Capacity 250V 1 0A 20mm 3 Assembly shall be conducted in reverse of disassembly Warning It shall be conducted only when the power is turned off EXC EXC COM2 L ...

Page 14: ...ode It is calibration mode to conduct non linear calibration that reduces the measurement error through calibration of maximum 4 points excluding zero with the use of actual load 6 1 2 How to select calibration mode 1 It turns into the mode selection status when key is pushed while pushing key is pushed at measurement status 2 Mode change and setting value change is available when key or key is pu...

Page 15: ... HOLD ZERO BS DIGITAL INDICATOR 3520 6 2 Digital calibration mode 6 2 1 Calibration Method Step 1 Decimal point setting and min gradation setting When you push No 3 key while pushing No 1 key entry to function mode is available It is changed to decimal point mode when you push No 4 key Push No 4 key by changing decimal point by pushing No 2 or No 3 key Input is completed when you push No 4 key aft...

Page 16: ...1 2 3 4 Input load cell rated output using No 2 and No 3 key and Push No 4 key Ex 2 0000 mV V Input rated capacity of load cell with the use of No 2 and No 3 key ex 15 000 kg Digital input is completed when pushing No 4 key and it returns to measurement mode Step 3 Zero Calibration Push No 3 key while pushing No 4 key Zero calibration is completed Warning Although the setting range of resolution i...

Page 17: ...GH OK HI HOLD ZERO BS DIGITAL INDICATOR 3520 6 3 Actual load calibration mode 6 3 1 Calibration Method Step 1 Decimal point setting and min gradation setting Entry to function mode is available when pushing No 3 key while pushing No 1 key It changes to decimal point mode when pushing No 4 key Push No 4 key after changing decimal point by pushing either No 2 or No 3 key Input is completed when you ...

Page 18: ...ith the use of No 2 and No 3 key Ex 5 000kg Push No 4 key after exerting actual load to load cell ErrO is played and it is turned to LoAd status when load is small or direction of load is applied toward direction Actual load calibration has been completed Check the dead weight value indicated to display Check the zero point return status after lowering the dead weight and Step2 shall be executed r...

Page 19: ... calibration mode which conducts non linear calibration that reduces the measurement error by conducting calibration with max 4 points excluding the zero with the use of actual load ZERO 0 Weight Value Display Error ZERO Before linear compensation After linear compensation 0 Weight Value Display Calibration point 1 Load1 Calibration point 2 Load2 Calibration point 3 Load3 SPAN SPAN Step 1 Decimal ...

Page 20: ...CATOR 3520 Step 2 Zero calibration and dead weight setting Push No 2 key while pushing No 3 key It is changed into L CAL mode when pushing either No 2 or No 3 key Enter into L CAL mode by pushing No 4 key Check the stability after display of UnLoad and push No 4 key when there is nothing on load cell Conduct zero calibration Input dead weight value by using No 2 and No 3 key after entering 1st dea...

Page 21: ...d eve when it exceeds 20000 Check whether or not regular measurement is conducted and carry out calibration upon the necessity Calibration under instable environment may cause the measurement error Load 1 Load 2 shall be input for Load 2 dead weight input value Load 1 Load 2 Load 3 for Load 3 dead weight input value is and Load 1 Load 2 Load 3 SPAN for SPAN dead weight input value In regards to lo...

Page 22: ... is not conducted on the hold When offset value is set at function the value other than offset value shall be executed as zero Setting shall be conducted at function in order execute initial zero when turning on the power Zero calibration may not be conducted when there is mechanical interference or load cell abnormality 6 5 2 Zero Calibration Method by External Input It shall be executed when not...

Page 23: ...nE None Width of zero tracking shall be set 0 000 Setting Range 0 999 Time of Zero Tracking 00 Setting Range 0 99 Zero tracking operation time shall be set 00 Operation within 0 1 sec 01 0 1 sec 99 9 9 sec Warning When None is selected at zero tracking width setting zero tracking time setting mode shall not be displayed Display 0 Tracking width Start Tracking time Zero calibration cannot be conduc...

Page 24: ...bered even when the power is turned on Item Display Setting Value Setting Contents Automatic Zero Point Mode nonE None It is a function to automatically execute the zero calibration with power input upon Power On AUto Automatic Zero Point It cannot be returned when it is turned into zero point after automatic execution of zero point When offset value is set at function automatic zero point is exec...

Page 25: ... pushed at measurement status 2 Mode change and setting value change is available when key or key is pushed at mode selection status 3 Push key in order to move onto next stage after saving the setting value at mode selection status 4 Push key to cancel the setting and return to measurement mode for mode cancellation At the mode cancelation the setting until previous stage of cancellation is saved...

Page 26: ... 4 digit Min Gradation 1 0 1 2 3 4 Min gradation shall be set Warning Random change is available even after the completion of calibration However the calibration shall be conducted again in case of decimal point change change in number of digits 2 0 2 4 6 8 5 0 5 10 15 20 10 0 10 20 30 40 20 0 20 40 60 80 50 0 50 100 150 Display Conversion Speed 1 4 7 times sec Slow It is display conversion speed ...

Page 27: ...old and external contact point NonE None EdGE Edge Hold PK PK Hold Relay Relay Mode Select relay mode Warning In case it is set as None nothing is displayed to low and high display unit bASIC Basic limit mode HY_HI High limit mode HY_Lo Low limit mode HY_LLH Low Low High limit mode NonE None Hysteresis Width 00 000 Setting Range 0 999 Width of hysteresis shall be set Zero Calibration Zero Tracking...

Page 28: ... 20mA output 0 20mA 0 20mA output 5V 0 5V output Analog Lo Output 000 000 Setting Range 199999 999999 In case analog output is 0V 0mA 4mA display value shall be set Analog output is conducted by force while digit is flickering in case only one digit is flickering Analog High Output 010 000 Setting Range 199999 999999 In case analog output is 5V 10V 20mA display value shall be set Analog output is ...

Page 29: ...n ID 1 Setting Range 00 99 Communication address shall be selected Communication Speed Communication transmission speed shall be set 1200 1200 bps 2400 2400 bps 4800 4800 bps 9600 9600 bps 19200 19200 bps 38400 38400 bps 57600 57600 bps 115200 115200 bps Data Length Communication data length shall be set Warning For 7bits setting the parity bit shall be set as either even or odd When it is set as ...

Page 30: ...ata request Refer to communication format Page 54 56 Communication format Select communication format Warning In case of AND Format setting command mode is same as the 12 2 2 command mode bS3520 BONG SHIN Format And AND Format Communication RS 422 485 setting Select RS 422 485 communication Warning After changing from RS 485 to RS 422 turn the power off and then use is after turning it on Please u...

Page 31: ...Method by external hold input terminal Hold is commenced when external hold input terminal is turned on contact point input At the moment external hold input terminal shall maintain the on status Hold is cancelled when input is conducted at off status Method by serial output RS 232C 422 485 command order Hold is commenced by the hold on command with communication and hold is cancelled by hold off ...

Page 32: ...t mode when pushing No 1 key Function setting has been completed and setting value shall be saved It is changed to measurement mode status Entry to setting mode is unavailable under key lock status thus it shall be executed after canceling the key lock Setting range display may differ based on location of decimal point In case of setting hold function as None key hold and external contact point ho...

Page 33: ...ent of hold input Load cell input Display value ON Front hold key OFF Hold section ON External hold input OFF 8 2 2 Peak hold mode PK hold conducts hold of PK display and output at the moment of hold input Load cell input Display input ON Front hold key OFF Hold section ON External hold input OFF ...

Page 34: ...ced Load is exerted in case of PK hold Display is made with PK hold In case of edge hold setting hold is conducted for display and output at the moment of key hold input In case of PK hold setting holding of PK display and output is conducted before cancelation of hold 8 3 2 Operation Cancelation by Hold Key Hold OFF Hold is cancelled when pushing No 1 key while pushing No 4 key Hold is cancelled ...

Page 35: ...conducted when hold mode is not set as edge or PK hold from function Switch shall be zero voltage input of machine contact point and semiconductor contact point Zero calibration is not conducted under Hold status ON OFF time shall be secured for 10ms or longer Please use it within rated load 8 3 4 Method by serial output RS 232C 422 485 command Hold is commenced by hold on command through communic...

Page 36: ...atus when key is pushed while pushing key is pushed at measurement status 2 Relay mode selection item comes out when you push key 6 times at mode selection status 3 Mode change is available when key or key is pushed at mode selection status 4 Push key in order to move onto next stage after selecting the relay mode and saving 5 Push key to cancel the mode and return to measurement mode It is entere...

Page 37: ...ting value change mode when pushing No 2 key while pushing No 1 key When pushing No 4 key after changing Lo relay setting value with the use of No 2 and No 3 key it moves onto next stage ex 1 000kg When pushing No 4 key after changing Hi relay setting value with the use of No 2 and No 3 key it turns into measurement mode ex 3 000kg Relay setting has been completed and setting value is saved It tur...

Page 38: ... It is entered into relay setting value change mode when pushing No 2 key while pushing No 1 key When pushing No 4 key after changing RY1 relay setting value with the use of No 2 key and No 3 key it moves onto next stage ex 1 000kg When pushing No 4 key after changing RY2 relay setting value with the use of No 2 key and No 3 key it moves onto next stage ex 2 000kg When pushing No 4 key after chang...

Page 39: ... Hi setting value High limit mode Relay output terminal Output condition L1 LO Measurement value RY1 setting value L2 OK Measurement value RY2 setting value L3 HI Measurement value RY3 setting value Low limit mode Relay output terminal Output condition L1 LO Measurement value RY1 setting value L2 OK Measurement value RY2 setting value L3 HI Measurement value RY3 setting value Low Low High limit mo...

Page 40: ...tting value RY2 setting value 9 2 2 Example of relay operation Basic limit mode Relay output terminal Output condition L1 LO Measurement value Lo setting value L2 OK Lo setting value Measurement value Hi setting value L3 HI Measurement value Hi setting value High limit mode Relay output terminal Output condition L1 LO Measurement value RY1 setting value L2 OK Measurement value RY2 setting value L3...

Page 41: ...N OFF RY1 setting value RY3 setting value RY2 setting value Low limit mode Relay output terminal Output condition L1 LO Measurement value RY1 setting value L2 OK Measurement value RY2 setting value L3 HI Measurement value RY3 setting value Low Low High limit mode Relay output terminal Output condition L1 LO Measurement value RY1 setting value L2 OK Measurement value RY2 setting value L3 HI Measure...

Page 42: ...set from function 1 Basic limit mode Relation between LO and OK When the measurement value becomes higher than Lo setting value it immediately turns into OK When the measurement value is lower than Lo value at OK status it does not immediately become Lo but it turns into Lo when it became lower than width of hysteresis Relation between OK and Hi When the measurement value becomes higher than Hi se...

Page 43: ... the measurement value becomes higher than RY2 OK setting value When the measurement value becomes lower than setting value under On status of RY2 OK it is not immediately turned off when the measurement value becomes lower than setting value but it is turned off when it becomes lower than width of hysteresis RY3 HI output It is immediately turned on when the measurement value becomes higher than ...

Page 44: ...asurement value becomes higher than setting value under On status of RY2 OK it is not immediately turned off but it is turned off when it becomes higher than width of hysteresis It is immediately turned on when the measurement value becomes lower than RY2 OK setting value RY3 HI output When the measurement value becomes higher than setting value under On status of RY3 HI it is not immediately turn...

Page 45: ... measurement value becomes lower than RY1 LO setting value RY2 OK output When the measurement value becomes higher than setting value under On status of RY2 OK it is not immediately turned off but it is turned off when it becomes higher than width of hysteresis It is immediately turned on when the measurement value becomes lower than RY2 OK setting value RY3 HI output It is immediately turned on w...

Page 46: ...Output Mode 10 1 1 Analog output selection mode 1 It turns into the mode selection status when key is pushed while pushing key is pushed at measurement status 2 Relay mode selection item comes out when you push key 11 times at mode selection status 3 Mode change is available when key or key is pushed at mode selection status 4 Push key in order to move onto next stage after selecting the analog mo...

Page 47: ...100ppm C typ 100ppm C typ Non linearity Within 0 05 F S Within 0 05 F S Load resistance 5 kΩ or higher 500Ω or higher 10 2 2 Connection method DAV Terminal No Contents VOLT Voltage output VOLT Voltage output 10 2 3 Connection method DAI Terminal No Contents CURR Current output CURR Current output Analog Output is to convert measurement value into D A for output and display conversion speed shall b...

Page 48: ...en key or key is pushed at mode selection status 4 Push key in order to move onto next stage after selecting the analog output setting and saving 5 Push key to cancel the mode and return to measurement mode It is entered into function mode when pushing No 3 key while pushing No 1 key It moves onto analog Lo output setting stage when pushing No 4 key 12 times It moves onto next stage when pushing N...

Page 49: ...10V 0V DAC LO DAC HI 5V 10V 5V 10 3 2 Analog output graph DAV In case of setting DAC LO and DAC HI as same value output does not increase from 0V Reverse output is only applicable at 0 10 5V setting It is not applicable at 0 5V 0 10V 0 20mA 4 20mA output For reverse output in case of setting DA Lo setting value and DAC Hi setting value is each set as 10 000 and 0 000 0V and 10V 5V is each output f...

Page 50: ... in performance when meter with low precision is used 10 4 1 Analog output zero span minute calibration 1 It turns into the mode selection status when key is pushed while pushing key is pushed at measurement status 2 Relay mode selection item comes out when you push key 14 times at mode selection status 3 Mode change is available when key or key is pushed at mode selection status 4 Push key in ord...

Page 51: ...9999 4 0 mA increase decrease 0 20mA output 0 9999 9999 0 0 mA 10 10 0 003 mA increase decrease 20 20 0 006 mA increase decrease 100 100 0 03 mA increase decrease 999 999 0 3 mA increase decrease 9999 9999 3 0 mA increase decrease Calibration range of voltage output is max 4 0V and current output is 4 0mA Entry to setting mode is unavailable under Key Lock status thus it shall be executed after ke...

Page 52: ...n 20 Output 4 10 4 2 Output 1 10 0 21 Output 8 3 Output 2 22 Output 1 10 5 4 Output 4 23 Output 2 5 Output 8 24 Output 4 6 Output 1 10 1 25 Output 8 7 Output 2 26 Output Polarity 8 Output 4 27 Output Decimal point 10 1 9 Output 8 28 Output Decimal point 10 2 10 Output 1 10 2 29 Output Decimal point 10 3 11 Output 2 30 Output Decimal point 10 4 12 Output 4 31 Output Decimal point 10 5 13 Output 8 3...

Page 53: ... 8 bits Parity bit None Even Odd Stop bit 1bit Use code ASCII Terminator STX ETX STX 02H ETX 03H No of max connection 1 Max 32sets RS 422 10sets Connector specification D SUB 9 pin Female male for cable side 12 1 2 Connection method For RS 232C For RS 422 Warning In case of using RS 422 change shall be made from function setting For RS 485 Pin No Signal name Direction Description 2 TXD Output Tran...

Page 54: ...48Hz 63Hz BS 3520 6 AC85 AC240V 48Hz 63Hz BS 3520 6 7 7 12 1 3 Example of RS 485 connection 1 1 1 connection with master Shield cable and twist pair cable shall be used Longitudinal resistance shall be exerted to both ends of writing 100Ω 120Ω 1 2W 2W There may be a reverse display of A and B for some master equipment Connect by changing A and B in case communication is unavailable 2 Multiple conn...

Page 55: ...5 6 L ETX STX 0 1 1 2 3 4 5 6 O ETX STX 0 1 1 2 3 4 5 6 H ETX STX 0 1 1 2 3 4 5 6 H ETX Warning When there is no decimal point in display decimal point is received at the end of weight data Response example Hexa ID Sign Weight data Decision 1 2 3 4 5 6 7 8 9 10 11 12 13 02 30 31 2B 31 32 33 2E 34 35 36 4C 03 02 30 31 2B 31 32 33 2E 34 35 36 4F 03 02 30 31 2B 31 32 33 2E 34 35 36 48 03 02 30 31 2B ...

Page 56: ...le ID Command 1 2 3 4 5 STX 0 1 Z ETX 02 30 31 5A 03 3 Hold ON command Hold is commenced Command example ID Command 1 2 3 4 5 STX 0 1 H ETX 02 30 31 48 03 4 Hold OFF command Hold is cancelled Command example ID Command 1 2 3 4 5 STX 0 1 C ETX 02 30 31 43 03 ...

Page 57: ...0 0 0 ETX STX 0 1 R Y 3 0 3 0 0 0 ETX Data reception command and response toward command differ based on ID setting and location of decimal point Serial output and command setting can be conducted even under hold status only zero command cannot be operated Command setting is available even under stream mode setting operation of zero command is also available However since data may be broken due to...

Page 58: ...Response example with decimal point ID COMMAND Sign VALUE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 STX 0 1 R L O 0 1 0 0 0 ETX STX 0 1 R H I 0 3 0 0 0 ETX STX 0 1 R Y 1 0 1 0 0 0 ETX STX 0 1 R Y 2 0 2 0 0 0 ETX STX 0 1 R Y 3 0 3 0 0 0 ETX Response example without decimal point Number of digit is reduced by one ID COMMAND 부호 VALUE 1 2 3 4 5 6 7 8 9 10 11 12 13 STX 0 1 R L O 0 1 0 0 0 ETX STX 0 1 R H I 0 3 ...

Page 59: ...g Header 1 Header 2 Data Unit Terminator 8 digit with a polarity and a decimal point 12 2 4 ASCII Code Lower bits 0 1 2 3 4 5 6 7 Upper bits 0 Space 0 P Space p 1 1 A Q a q 2 2 B R b r 3 3 C S c s 4 4 D T d t 5 5 E U e u 6 6 F V f v 7 7 G W g w 8 8 H X h x 9 9 I Y i y A LF J Z j z B K k C L l D CR M M E N N F O _ o ASCII code Hexadecimal Description Header 1 ST 53 54 Stable UN 55 4E Unstable OL 4F...

Page 60: ...ation At the mode cancelation the setting until previous stage of cancellation is saved It is entered into mode when turning the power on while pushing No 2 and No 3 key under power off status Current load cell output voltage is displayed 000 000mV is displayed under no load and mV is differently displayed based on dead load Load cell shall be examined with the display of higher than 015 000mV or ...

Page 61: ...ion 13 1 4 Analog output DAC voltage current check It is a mode to check analog output voltage current Analog high output setting value is displayed to meter display unit Check output voltage current with the equipment of digital multi meter to the outside When there is change in analog high output setting value output of voltage current is conducted based on display value It is a mode to check an...

Page 62: ...ing No 4 key and push No 1 key for cancellation Check mode is displayed only when BCD is selected from 13 1 3 Optional output DAC BCD selection mode For range of setting value change setting is available within 199999 999999 Decimal point and output are also available initial value is set as 000 000 13 1 6 Initialization Mode Various settings of data are initialized All settings including calibrat...

Page 63: ... DIGITAL INDICATOR 3520 M 1 2 3 4 LO LOW HIGH OK HI HOLD ZERO BS DIGITAL INDICATOR 3520 M 1 2 3 4 14 Key Lock Mode It is a key lock mode It is a mode to protect calibration zero setting and function item setting value Entry to relay setting value change mode is available only 14 1 Key lock method Push No 2 key while pushing No 4 key LoCK is displayed and it is turned into key lock mode 14 2 Key lo...

Page 64: ...oad cell shall be checked since load cell output is 35mV or lower It exceeded max range of display value It exceeded max range of display that is either 199999 or 999999 Conduct calibration again after checking load cell output voltage and disconnection 15 2 Load cell inspection When the load cell in use is instable following items shall be inspected 1 Check whether or not load cell terminal is pr...

Page 65: ...o 13 1 2 load cell output voltage check It is part measured when checking the connection of load cell In case of using summing box same measurement shall be conducted inside the summing box as well Diagnosis item Diagnosis location Criteria normal standard 1 Load cell applied voltage EXC EXC DC 5V 2 Load cell output voltage SIG SIG Within 15mV 3 Load cell focused voltage EXC SIG Around DC 2 5V EXC...

Page 66: ...rmined to be ours we provide A S free of charge Forwarding of this product is conducted through strict quality management and inspection process Please contact the agency or our company in case of defect occurrence A S and Product Inquiry TEL 82 31 742 6661 FAX 82 31 742 6664 www bongshin com e mail loadcell bongshin com www loadcell co kr ...

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