General Measure M02 User Manual Download Page 7

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M02 Digital Indicator

1.2 Front Panel

M02 Front panel

Main Display:

6 digits, for displaying weight and the information of parameters.

Status Indicator Lamp:



ZERO:

Light on when present weight is within 0±1/4d.



STAB:

Light on when changes of weight values are within the range of motion

detecting during motion detecting time.



HOLD:

Light on when indicator displays the value of D/A output.

Keypad:

Summary of Contents for M02

Page 1: ...Model no M02 User s Manual M02 00150101 48011201231000 110609010008 ...

Page 2: ...ck Co Ltd Any corporations or person must not copy spread record or translate into other language by any forms Our company reserved the right to update user s manual without additional notice to customers by reason of update so please visit our website or contact with our service person to get update information Website http www szgmt com cn ...

Page 3: ... Common 3 1 3 2 Analog 4 1 3 3 Digital 4 2 Installation and Wiring 5 2 1 Connection of Power Supply 5 2 2 Connection of Load Cell 5 2 2 1 6 wired Connection 6 2 3 I O terminals 7 2 4 Optional Expansion Board Output 8 2 4 1 Analog Output Optional 8 2 4 2 Serial Interface RS485 Output 11 2 4 3 Serial Interface RS232 Output 12 ...

Page 4: ...Calibration Switch for Communication Interface 22 3 7 Explanation for Calibration Parameters 23 4 Working Parameters Setting 25 4 1 Flow Chart of Working Parameters Setting 25 4 2 Parameter Setting Method 27 4 3 Descriptions of Operation Parameters 28 4 4 Set point parameters 31 5 I O Definition 33 5 1 I O Definition 33 5 2 I O testing 35 6 Serial Communication 36 ...

Page 5: ...and 40 6 3 tt TOLEDO 48 6 4 Cb920 49 6 5 rECont 50 6 6 rEREAD 51 6 7 Modbus 52 6 7 1 Modbus Communication Address 53 7 Password Input and Setting Reset 60 7 1 Password Input 60 7 2 Password Setting 60 7 3 Factory Reset 62 8 Display Testing 64 9 Errors and Alarm Messages 65 10 Dimension of Indicator 66 ...

Page 6: ...en mixing equipment metallurgy furnace and converter chemical industry and feed etc 1 1 Functions and Characteristics Small volume unique design easy operation Applicable to all kinds of resistance strain gauge bridge load cell Front panel numerical calibration Multilevel of digital filter Automatic zero tracking Automatically zero when powered on 4 set points 1 input and 2 outputs Serial communic...

Page 7: ...eight and the information of parameters Status Indicator Lamp ZERO Light on when present weight is within 0 1 4d STAB Light on when changes of weight values are within the range of motion detecting during motion detecting time HOLD Light on when indicator displays the value of D A output Keypad ...

Page 8: ...digit increase 1 while data inputting Function Selecting Key To make flashing position move to the right digit when data inputting Confirming Key Used to confirm present operation 1 3 Technical Specifications 1 3 1 Common Power supply DC24V 5 Working temperature 10 40 Max humidity 90 R H without dew Power consumption About 10W Dimension 105 89 57 mm ...

Page 9: ...uV d Input range 0 00 15mV Load cell 3mV V Transfer mode Sigma Delta A D conversion speed 15 30 60 120 480 960 times sec Non linearity 0 01 F S Gain drift 10PPM Display Precision 1 100 000 1 3 3 Digital Weight display 6 digits red high brightness LED Minus display Overload display OFL Decimal point 5 kinds optional Function keys 4 keys soniferous keypad ...

Page 10: ...2 Connection of Load Cell M02 weighing indicator connects bridge type resistance strain gauge load cells by 6 wires or 4 wires as follows When you use 4 wired load cells you must bridge the SN with EX and bridge the SN with EX The signal definition of each port of the load cell connector is as follows EX Excitation EX Excitation SN Sense SN Sense SIG Signal SIG Signal ...

Page 11: ...load cell output sensitive analog signal please use shield cable to separate with other cables especially AC power 2 4 wires connection is suitable for short distance and stable temperature or low precision field otherwise use 6 wires connection 3 For more load cells parallel connection their sensitivity mV V should be same ...

Page 12: ...M02 Digital Indicator 7 2 3 I O terminals I O tolerant definition as follows Indicator input terminal connection Indicator input terminal connection Output Input OUT1 Stable IN1 Reset all OUT2 OFL ...

Page 13: ...ut M02 weighing indicator supports analog output RS232 or RS485 as optional output function please confirm it when place orders 2 4 1 Analog Output Optional At normal displaying status press to check the analog output The definition of analog output as below ...

Page 14: ...ibrated before the delivery of the indicators so users do not need to make calibration If analog output is abnormal users can calibrate by themselves as follows Suggestion please calibrate under the instruction of professionals The definition of analog output V voltage output V voltage output I current output I current output Note only support calibration under current mode 4 points must be finish...

Page 15: ...e the multimeter measured should be 4 000mA This interface is current DA D A press to adjust the value and the current value measured will vary accordingly To adjust it when the measured value to be 4 000mA then press to save and exit Then press to calibrate 12 000mA Finish the calibration referring to the process of 4 000mA calibration and the same for the calibration of 20mA ...

Page 16: ... 24000 means 24 000mA press to input the value measured by the multimeter Note Analog output calibration highest point must be calibrated 2 4 2 Serial Interface RS485 Output Serial Interface RS485 output is optional please refer to chapter 6 0 for communication protocol RS485 serial interface connection This interface is the highest point calibration of analog output ...

Page 17: ...M02 Digital Indicator 12 2 4 3 Serial Interface RS232 output Optional RS232 serial interface connection ...

Page 18: ...tion of decimal point minimum division maximum capacity zero and gain can be set and confirmed through calibration 2 If you want to set only one parameter please press to save parameter s value and then press to exit 3 Please see section 3 7 for parameters instruction 4 Please record each value in the blank table in section 3 4 during calibration for the emergency use in future 5 See chapter 9 for...

Page 19: ...splay CALON for one second then go to next step 3 Press to select a desired value for decimal point among 0 0 0 0 00 0 000 and 0 0000 and then press to save it and enter next step If there s no need to change the value press directly to enter next step 1 Under this status press twice indicator will display CAL then press to enter password input ...

Page 20: ...ess directly to enter next step Max capacity 5 Input max capacity min division 100000 press to save it and enter next step If there s no need to change the value then press directly to enter next step Millivolt value display 6 Under this status press to enter zero calibration Display value near the output value in millivolt between SIG SIG of load cell See section 3 3 for details about this functi...

Page 21: ...M02 Digital Indicator 16 7 Unloaded scale first when STAB lamp is on press to finish zero calibration If there s no need to calibrate zero press directly to enter gain calibration Zero calibration ...

Page 22: ...M02 Digital Indicator 17 8 The process of gain calibration is as follows If there s no need to do gain calibration press directly to enter serial ports calibration switch setting ...

Page 23: ...e press to choose the switch position press to set password If don t need to set switch position then press to enter password setting 10 See section 7 2 for reference to set password If there s no need to set password press directly to go back to normal status ...

Page 24: ...as follows a There is something wrong with weighing mechanism please check and clear b The connection of load cell is incorrect please check and clear c Load cells may be damaged please replace 2 Position error Test for Weighing Mechanism Load a same weight on each corner of weighing mechanism and record displayed millivolt value respectively If differences among these values are obvious please ad...

Page 25: ... these values can be used for calibration without weights Zero millivolt value mV Gain millivolt value mV Loaded Weight Date Remarks 1 2 3 4 5 3 5 Millivolt Calibration When it is not convenient to load a weight to calibrate alibration can be done without weights using recorded data in the table in section 3 4 However this method is just used for some emergencies it will make calibration result in...

Page 26: ...M02 Digital Indicator 21 ...

Page 27: ...M02 Digital Indicator 22 ...

Page 28: ...alibration switch for communication interface 3 7 Explanation for Calibration Parameters Symbol Parameter Types Value of parameter Default Pt Decimal Point 5 0 0 0 0 00 0 000 0 0000 0 1d Min Division 6 1 2 5 10 20 50 1 CP Max Capacity Min Division 100000 10000 t Millivolt Value o Zero C Gain SIOCAL Switch for Calibration via serial interface OFF PASS Password Setting 000000 ...

Page 29: ...M02 Digital Indicator 24 Log Table for Calibration Parameters Parameter Calibrated Value Date Remarks Decimal Point Min Division Max Capacity Load cell sensitivity Password ...

Page 30: ...g Parameters Setting 4 1 Flow Chart of Working Parameters Setting Normal Status SET UP F1 F1 1 F1 7 If F4 1 Password Switch is ON you should input password first 1 Use to select between the same level Switch from display F1 to F2 press ...

Page 31: ...M02 Digital Indicator 26 F2 F3 F2 1 F2 7 F3 1 F3 2 2 Press to enter into sub selection press to return back to previous menu When it displays F2 press to enter into F2 1 F4 F4 1 ...

Page 32: ...selection type parameters press to choose For data type parameter in parameter interface press to choose digit position pressto choose value Selection Enter setting status Change OFF to ON Confirm the change Data Enter setting status Move the flashing from 0 to 5 Adjust value Confirm change OFF F1 1 ON F1 1 50 F1 4 50 60 F1 4 ...

Page 33: ...s parameter is for automatic calibration disabled when is set 0 F1 3 1 Motion Detecting Range 1 9d optional F1 4 50 Zeroing Range 00 99 of Maximum capacity F1 5 5 Digital filtering parameter 1 9 as optional 0 without filtering 9 strongest digital filtering F1 6 0 Stable filter parameter the second filter based on the first filter 1 9 as optional 0 without filtering 9 strongest digital filtering F1...

Page 34: ...r Cont SP1 continuous mode r SP1 SP1 command mode tt TOLEDOcontinuous mode Cb920 Cb920 continuous mode rE Cont rE continuous mode rE rEAd rEcommand mode F2 4 7 E 1 Data format 7 E 1 7 data bits even parity check 1 stop bit 7 O 1 7data bits odd parity check 1 stop bit 8 E 1 8 data bits even parity check 1 stop bit 8 O 1 8 data bits odd parity check 1 stop bit 8 n 1 8 data bits no parity check 1 sto...

Page 35: ...tic sending time interval F2 7 0 tt TOLEDOcontinuous mode If send the checksum 0 not send 1 send F3 Null The third major term of working parameter For analog output only F3 1 0 5 Analog output 4 20 4 20mA 0 20 0 20mA 0 24 0 24mA 0 5 0 5V 0 10 0 10V I_out Current customized V_out Voltage customized In customized mode F3 2 F3 5 parameters available F3 2 3920 Minimum output F3 3 4000 Zero point outpu...

Page 36: ...arameters password setting switch F4 2 000000 Parameters password setting Valid when F4 1 is ON 4 4 Set point parameters Code Default Description P1 P4 Null The first term of working parameters PX 1 OFF Change of state if need stable PX 2 0 0 Change of state minimum duration PX 3 P1 3 1 P2 3 5 P3 3 0 P4 3 0 Condition of validity 0 forbid 1 2 3 4 5 ...

Page 37: ...e the range need to set 2 edge value 9 external trigger If it s IO do 1 state change for 1 trigger if it s command then decide according to valid or invalid command PX 4 0 Set value 1 Set value 1 and set value 2 choose the minimum to compare PX 5 0 Set value 2 Set point has 4 major terms which are user defined ...

Page 38: ...None No definition O1 Stable Effective output in stable status O2 Overflow Effective output when overflow O3 Sp1 Effective output when set point 1 status output O4 Sp2 Effective output when set point 2 status output O5 Sp3 Effective output when set point 3 status output O6 Sp4 Effective output when set point 4 status output ...

Page 39: ...ffective again I3 Sp2 If this signal is valid Sp2 status will be regarded as invalid Output valid state when comparision condition turns to invalid and be effective again I4 Sp3 If this signal is valid Sp3 status will be regarded as invalid Output valid state when comparision condition turns to invalid and be effective again I5 Sp4 If this signal is valid Sp4 status will be regarded as invalid Out...

Page 40: ...value when this signal is valid 5 2 I O testing Under weighing status press 5 times then display TESTio press enter into I O testing interface Normal Status Press OUT1 status flash press OUT2 status flash This interface shows IN1 input valid OUT1 output valid ...

Page 41: ...communication format setting please refer to F2 2 F2 3 and F2 4 Under main display display weight value long press to enter into serial communication checking interface it will display if no communication and will flash if there s communication 6 1 r Cont Indicator will send weighing data to host computer without command Data Format STX Scale no Channel no Status Value CRC CR LF Here STX 1bit star...

Page 42: ... is overflow return to space space OFL space CRC 2 bits check sum CR 1 bit 0DH LF 1 bit 0AH For example 02 30 31 31 40 4120 20 20 37 30 30 32 34 0D 0A Means stable positive data present weight 700 6 2 r SP1 Code ASCII Operation code supported W write R read C calibrate O zero 6 2 1 Parameters Code Chart Operation code Para code Para Name number of character R WT Read current status 8 ...

Page 43: ...o tracking range 1 R W MR Stable range 1 R W ZR Zeroing range 2 R W FL digital filtering para 1 R W VC steady filtering 1 R W AD AD sample rate 1 R PO Set point output status 4 R W P1M P4M Set point to judge if need stability 1 R W P1T P4T Set point minimum duration time 3 R W P1F P4F Set point comparison condition to judge 1 R W P1L P4L Set point lower edge value to judge 6 R W P1H P4H Set point ...

Page 44: ... ASCII for 6 digits Decimal point is fixed to 3 digits C ZY Zero calibration with weight C ZN Zero calibration without weight 6 C GY Gain calibration with weight 6 C GN Gain calibration without weight 12 O CZ Zero clearing command O P1S P4S Setting the corresponding set point Valid when 9 command valid when external trigger and 1 status change for 1 external Trigger O P1C P4 C Clear the correspond...

Page 45: ...ror Note Default channel no of this indicator 1 31H 6 2 3 Command Indicator will send weighing data to host computer after received command 6 2 3 1 Host computer read present status Send command STX Scale no Channel No R WT CRC CR LF Correct response STX Scale no Channel No R WT Status Value CRC CR LF Wrong response STX Scale no Channel No R WT E Error code CRC CR LF Here ...

Page 46: ...non zero 1 zero 0 normal 1 OFL 0 not stable 1 stable Weight Value 6 bits when weight is overflow return to space space OFL space For example 02 30 31 31 52 57 54 30 31 0D 0A Correct response 02 30 31 31 52 57 54 40 4130 30 33 37 35 33 33 36 0D 0A stablepresent value 3753 Wrong response 02 30 31 31 52 57 54 45 31 31 39 0D 0A CRC check error 6 2 3 2 Read other parameters Send command STX Scale no Ch...

Page 47: ... 02 30 31 31 524D52 3839 0D 0A Correct response 02 30 31 31 52 4D 52 36 34 33 0D 0A stable range 6 Wrong response 02 30 31 31 53 4D 52 45 32 30 39 0D 0A Operation code error 6 2 3 3 Write max Capacity and min Division Send command STX Scale no Channel No W DC Division value Max capacity CRC CR LF Correct response STX Scale no Channel No W DC O K CRC CR LF Wrong response STX Scale Channel W DC E Er...

Page 48: ...D 0A division value 5 Max capacity 10000 Correct response 02 30 31 31 57 44 43 4F 4B 32 34 0D 0A Wrong response 02 30 31 31 57 44 43 45 35 39 32 0D 0A Operation can t execute 6 2 3 4 Write other parameters Send command STX Scale no Channel No W Para code Para value CRC CR LF Correct response STX Scale no Channel No W Para code O K CRC CR LF Wrong response STX Scale Channel W Para E Error CRC CR LF...

Page 49: ... zero as per current weight with weight Send command STX Scale no Channel No C ZY CRC CR LF Correct response STX Scale no Channel No C ZY O K CRC CR LF Wrong response STX Scale no Channel No C ZY E Error code CRC CR LF Here Z 1 bit 5AH Y 1 bit 59H For example 02 30 31 31 435A 59 39 34 0D 0A Correct response 02 30 31 31 43 5A 59 4F 4B 34 38 0D 0A Wrong response 02 30 31 34 43 5A 59 45 36 32 30 0D 0...

Page 50: ...Zero millivolt value 6 bits For example 02 30 31 31 43 5A 4E 30 31 32 36 31 30 38 31 0D 0A Correct response 02 30 31 31 43 5A 4E 4F 4B 33 37 0D 0A Wrong response 02 30 31 31 43 5A 4E 45 34 30 34 0D 0A Write data error 6 2 3 6 Gain calibration 1 With weights Send command STX Scale no Channel No C GY Weight value CRC CR LF Correct response STX Scale no Channel No C GY O K CRC CR LF Wrong response ST...

Page 51: ...ts Send command STX Scale no Channel No C GN Gain millivolt Weight value CRC CR LF Correct response STX Scale no Channel No C GN O K CRC CR LF Wrong response STX Scale no Channel No C GN E Error code CRC CR LF Here Gain millivolt 6 bits Weight value 6bits For example 02 30 31 3143 47 4E 30 30 31 39 34 30 30 30 30 32 30 30 35 36 0D 0A Write in weight value 200 corresponding gain millivolt 0 194 Cor...

Page 52: ...sponse 02 30 31 31 4F 43 5A 4F 4B 33 38 0D 0A Wrong response 02 30 31 31 4F 43 5A 45 35 30 36 0D 0A Operation can t execuate 6 2 3 8 CRC computation All the values in front of the parity bit add together and convert to decimal data then convert the last 2 bits to ASCII code decade in front and the unit at the back For example The following is a frame of data 0 2 3 0 3 1 3 1 4 F 4 3 5 A 3 8 3 4 0 D...

Page 53: ...ntinuous mode with TOLEDO protocol Continuous sending mode format as below 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 STX 0D A B C display weight 6 bits 6 个 30H Checksum Here start character is standard ASII start character 02 STX status byte A definition as below D0 0 1 0 1 0 D1 1 1 0 0 1 D2 0 0 1 1 0 Decimal point x x xx xxx xxxx D3 D4 D6 为 0 not change D5 is 1 not change ...

Page 54: ...nstable 0 stable 1 overflow 0 normal 1 negative 0 positive Is 0 not change status byte C is reserved output 20H 6 4 Cb920 When F2 3 Cb920 in working parameter indicator will send weighing data continuously without command under Cb920 protocol Data format Status G W 0 1 Symbol Display Unit CR LF Here Status 2 bits OL 4FH 4CH OFL ST 53H 54H Stable US 55H 53H unstable ...

Page 55: ...ts blank space 20H 20H CR 1 bit 0DH LF 1 bit 0AH For example When indicator send the following automatically 53 54 2C 47 53 31 2B 20 20 31 39 30 2E 31 20 20 0D 0A Means Stable G W Data value is positive current weight is 190 1 6 5 rECont Indicator will send weighing data to the upper computer continuously without any command Return data frame format specification Status GS Display Unit CR LF ...

Page 56: ...llowing automatically 53 54 2C 47 53 2C 2B 30 31 31 2E 31 32 30 6B 67 0D 0A Means Stable Data value is positive display value is 11 120kg 6 6 rEREAD Indicator will send weighing data to the upper computer under command Data format Data R E A D CR LF explain 52H 45H 41H 44H 0DH 0AH The return data frame is the same with that of rECont protocol please refer to rECont 1 Zero clearing command ZERO ON ...

Page 57: ...7 Modbus Indicator uses RTU mode to communicate every 8 bit byte of the message are divided into 2pcs of 4 bit hexadecimal characters to transmit at binary code Code Binary Function code Function code Definition Description 03 read the register 06 preset single register 16 preset several registers Command only support preset double registers 01 read coil The length unit is bit 05 write coil Except...

Page 58: ...duced 07 Unsuccessful programming request Command received can t be execuated under current condition 6 7 1 Modbus communication address PLC addr Display addr Description The following items are only read register code 0x03 40001 0000 Present weight value 4bits including sign characters the high bit is in the front 40002 0001 40003 0002 D15 D14 D5 D4 D3 D2 D1 D0 All is 0 0 0 non zero 0 normal 0 un...

Page 59: ...le range 1 9d 40011 0010 Zeroing range 0 99 40012 0011 Digit filter parameters 0 9 40013 0012 Stability filter series 0 9 40014 0013 AD sample rate 0 15 s 1 30 s 2 60 s 3 120 s 4 480 s 5 960 s 40015 40018 0014 0017 Reserved 40019 0018 Decimal point place 0 0bit 1 1bit 2 2bits 3 3bits 4 4bits 40020 0019 Minimum division 1 2 5 10 20 50 The following items are available to read and write writing code...

Page 60: ... weight value max capacity Return millvolt at present weight value when read 40028 0027 40029 0028 Gain calibration without weights input gain millivolt load cell 3mV V 0 000 millivolt 15 000mV zero millivolt Read millivolt value for gain calibration 40030 0029 40031 0030 Gain calibration weight without weights input gain millivolt max capacity Read weight value for gain calibration 40032 0031 400...

Page 61: ... not 0 no 1 yes 40056 0055 Set point 3 min duration time 0 999 0 99 9sec 40057 0056 Set point 3 valid condition 40058 40059 0057 0058 Set point 3 set value 1 40060 40061 0059 0060 Set point 3 set value 2 40062 0061 Set point 4 stable or not 0 no 1 yes 40063 0062 Set point 4 min duration time 0 999 0 99 9sec 40064 0063 Set point 4 valid condition 40065 40066 0064 0065 Set point 4 set value 1 40067 ...

Page 62: ...es with symbolic number high digit in front 40402 0401 40403 0402 D15 D14 D4 0 D3 0 1 D2 0 non zero 1 zero D1 0 normal 1 OFL D0 0 Stable 1 Unstable 40404 0403 0 40405 0404 6 digits without symbolic number user ID no 40406 0405 The following items are bit read only read code 0x03 49001 9000 Version no If display10024 formatXX XXXX main version no hardware no software no So main version no 01 hardwa...

Page 63: ...002 0001 0 normal 1 OFL 00003 0002 0 non zero 1 zero 00004 0003 0 1 00005 0004 Reserved 00006 0005 Reserved The following item are available to read and write read code 0x01 writing code 0x05 00007 0006 Automatically zeroing when power on 0 OFF 1 ON 00008 0007 Reserved 00009 0008 Reserved 00010 0009 Reset all 00011 0010 Reset calibration 00012 0011 Reset paramaters 00013 0012 Reset I O ...

Page 64: ...Reserved 00015 0014 Reserved 00016 0015 I O testing switch 00017 0016 Set point 1 status Only read 0 invalid 1 valid 00018 0017 Set point 2 status 00019 0018 Set point 3 status 00020 0019 Set point 4 status 00021 00032 0020 0031 Reserved ...

Page 65: ...ect password to enter parameters Note 1 When input password if first time wrong it will go to the second chance for password input display from turn to 2 If second input wrong it will enter into interface for inputting password the third time Display change from to 3 If Input wrong for three times main display show Error4 and self lock but user can operate when power on again 7 2 Password Setting ...

Page 66: ...M02 Digital Indicator 61 2 User must input same new password twice in setting password If not same main display show Error one second and return to PASS again ...

Page 67: ...ameters and will maybe cause not working Take reset all for example In working status press 1 time to display SET UP Normal working status SET UP Press and the same time to display PASS then password input PASS 0 Password input interface input fixed password 880202 then press save password and enter parameter reset 880202 ...

Page 68: ...calibration para Reset interface F SEt F F 1 In F CAL interface press to reset calibration para enter into reset all interface 2 In F CAL interface press not to make calibration para reset enter into reset all interface 1 In F ALL interface press to make reset all of the paramters including working para calibration para I O etc Note In all reset interfaces press to exit and return to weighing inte...

Page 69: ...ts Normal weighing status SEt UP tESt Press 5 times 8 8 8 8 Under parameter interface press to switch to tESt interface Under tESt interface press to make display testing Nixie tube display and indicator lights all shine Now if press display will sparkle After testing is finished press to return to tESt interface tESt ...

Page 70: ...or wrong data beyond parameter range Error 2 The present weight value is out of zeroing range Error 3 Scale platform is not stable when zeroing Error 4 Input wrong password more than 3 times OFL Weighing value is positive overflow OFL Weighing value is negative overflow ...

Page 71: ...M02 Digital Indicator 66 10 Dimension of Indicator Dimension of rear panel 92 45 mm Dimension of front panel 105 57 mm Panel cutout dimension 93 46 mm ...

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