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C.4.12 Commands Analogue Output 4 – 20 mA - AL, AH, AA

The following commands must be saved in EEPROM by command AS.

Sets the source which will be used by analogue output

Possible selections for analogue output:

AA = 0

gross weight

AA = 1

net weight

AA = 2

Peak value

AA = 3

Average value

AA = 4

Hold value

AA = 5

Peak-to Peak value

AA = 6

Valley value

AA = 7

Hold value

AA = 8

analogue output OFF

Request / Set up analogue output:

Master ( PC / PLC ) sends

DAS 72.1 responds

Result

A+00001

set net

AA_0

set gross

Factory default: 2 [= analogue output OFF]

Set the analogue high level

Request / Set up high level for analogue output 20 mA:

Master ( PC / PLC ) sends

DAS 72.1 responds

Result

H+10000

Request: 10 000 d @ 20 mA

AH_5000

Setting: 5 000 d @ 20 mA

Factory default: 10 000 [10 000 d = 20 mA]

Set the analogue low level

Request / Set up low level for analogue output 4 mA:

Master ( PC / PLC ) sends

DAS 72.1 responds

Result

L+00000

Request: 00 000 d @ 4 mA

AL_00500

Setting: 500 d @ 4 mA

Factory default: 00 000 [0 d = 4 mA]

Page 52

Manual DAS 72.1

Содержание DAS 72.1 Mark III

Страница 1: ...Process Indicator Type DAS 72 1 Mark III MANUAL Firmware Version 72 181 v 4 28 or higher Hardware Version 72 101 5 v 3 0x Document No G128 Rev6 GB Manual DAS 72 1 Page 1 www flintec com...

Страница 2: ...polar for weighing applications and force measurements Minimum input per vsi 0 05 V d Resolution Internal 260000 counts 18 Bit A D convertor display max 99999 counts Conversion rate Internal 2400 meas...

Страница 3: ...1 to 3 3 RS422 485 COM port No motion LED Logic outputs Logic inputs Input 2 Functions as Tare button Display net mode see paragraph B 3 6 Down key Up key 0 4 20mA analogue output 0 Receive Receive Tr...

Страница 4: ...1 3 4 9 B 3 4 Filter nomotionsetup Menu4 1 4 4 10 B 3 5 Analogue output setup Menu 5 1 5 4 11 B 3 6 Logicinput setup Menu6 1 3 6 3 4 12 B 3 7 Logicoutput setup Menu7 1 7 3 14 B 3 8 Datacommunicationse...

Страница 5: ...tatus I O Short display of status approx 1 5 s Permenant status I O 1 Cut off frequency adjustable from 1 18 Hz to 8 0 25 Hz Typical setup 4 3 Hz 2 Select Filter Type FIR Filter for quick signal chang...

Страница 6: ...ck signal changes measurements s Set Analogue Output 4 mA Set Analogue Output 20 mA Base of Analogue Output Simulate Analogue Output Signal 5 1 5 2 5 3 5 4 00000 20000 gross 0 0 3000 0 gross kg kg gro...

Страница 7: ...Set up Menu 0 T Inp 1 T T T Inp 2 Note Recessed Enable Switch Enables changes to be made to important parameters Must be pressed before attempting to change parameters 1 1 to 1 3 2 1 to 2 3 and 3 1 to...

Страница 8: ...V Vsignalderivedfromtheloadcell s test data continuewithstep2 3 CALIBRATE THE SPAN CONVENTIONAL WEIGHING SYSTEM Display shows the actual input signal in mV V Apply test weights equivalent to the calib...

Страница 9: ...nder range all dashes in the bottom of the display SET THE DISPLAY DIVISION OR STEP SIZE 1 2 5 10 20 50 100 200 500 Use the and keys to set the required display division or step size SET THE DECIMAL P...

Страница 10: ...or FIR filter that will be averaged Selection between 0 1 Reading and 7 128 Readings See Paragraph C 4 5 for more information Set the No Motion Range Attention Set Range 0 30 000 steps and Fluctuation...

Страница 11: ...d 3 000 d with 0 4 20 mA Analogue output 4 20 mA for 3 000 kg 20 mA make seting 03 000 Analogue output 0 20 mA for 3 000 kg 20 mA make seting 03 000 Set the analogue output base GROS Gross NET Net PEA...

Страница 12: ...on Input 1 acts as Zero button Input 1 acts as Tare button Input 1 acts as Up arrow button Input 1 acts as Down arrow button Input 1 starts the Trigger function Input 1 displays the Average value Inpu...

Страница 13: ...T T 2 0 T 1 0 T 1 T T T T T T T T T T T T T T T T T T 2 2 2 2 2 2 Check Logic Input 1 6 1 1 must be set to 0 6 1 1 0 In1 1 Input is high As per section 6 1 but for Logic Input 2 As per section 6 1 but...

Страница 14: ...se for Logic Output 1 GROS Gross NET Net PEA Peak AVER Average HOLD Hold PP Peak to Peak VALL Valley ERR Error OFF OFF value value value maximum value value value value minimum 4 or 5 Sets output Set...

Страница 15: ...r single DAS application 485 RS 485 Interface use for multiple DAS application in BUS Set the Device Address Comport RS 422 485 Setting with and Set the device address for multi drop to 001 255 Set to...

Страница 16: ...e acceptable parameter range The input signal is in excess of 2 6 mV V Display underload Display value is more negative than the lower limit set in Menu 3 1 U Display overload Display value exceeds th...

Страница 17: ...sed Enable Switch has been pressed a Go to Menu 1 2 and using the UP DOWN and RIGHT keys set the display to read 0000 0 Make sure that the weighing system is empty or at the point where you want the d...

Страница 18: ...0000 Use the UP or DOWN key to set the required decimal point position Choose 0 0 SET THE SPAN CALIBRATION VALUE Use the UP DOWN MOVE RIGHT keys to set the display value equivalent to the calibration...

Страница 19: ...RIGHT keys set the display to read the capacity of the load cell system or the weight value at which the sensitivity is known For this example the load cell capacity is 3 x 1000 kg 3000 kg 2 mV V Set...

Страница 20: ...ary nominal load 3000 kg CALIBRATE THE SPAN FROM mV V LOAD CELL SENSITIVITIES Use the UP DOWN MOVE RIGHT keys to set the mV V reading equivalent to the span calibration value set in section 2 1 Choose...

Страница 21: ...is 600 kg load cell sensitivity is 2 0000 mV V In this case we have to use also 2 0000 mV V for 3000 kg This means at tare the signal is 0 4000 mV V GotoMenu1 3 usingtheUP DOWNandRIGHTkeystosetthezer...

Страница 22: ...uivalent to the load cell summary nominal load e g 3 000 kg Choose 3000 0 for load cell summary nominal load 3000 kg CALIBRATE THE SPAN FROM mV V LOAD CELL SENSITIVITIES Use the UP DOWN MOVE RIGHT key...

Страница 23: ...STARTED 24 C 1 1 Serialinterface 24 C 1 2 CommandLanguage 24 C 1 3 Setupbaud rate deviceaddress 25 C 1 4 GettingStarted 25 C 2 WIRINGDIAGRAM 26 C 3 COMMANDSSUMMARY 27 C 4 COMMANDS 29 C 5 CALIBRATIONPR...

Страница 24: ...ASCII format 2 capital letters This enables the user to setup the device get results or check parameters Example DAS 72 1 with the address or channel number 1 is connected via the RS 485 port to a bu...

Страница 25: ...ng a PC PLC with RS232 port an RS422 485 to RS232 converter will be required Interconnecting cabling confirm that all relevant pins used See the wiring diagram at the end of this section A load cell s...

Страница 26: ...Input 1 2 3 1 Assign key 2 3 4 Test 7 Outp 1 2 3 1 SPoint n 2 Hyst n 3 Base 4 Test 8 Datacom 1 Baud rate 2 422 485 3 Address 4 Auto trnsm T T T 0 T Inp 1 Inp 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 27 26...

Страница 27: ...devices OP XXX implies CL none none CM Calibrate max TAC protected Read modify max 0 through 99999 M 30000 OK ERR CS Calibrate save TAC protected Save CM CZ AZ CG AG DS DP ZT to EEPROM none OK ER CZ C...

Страница 28: ...rough 500 ms S 00100 OK ERR SG Start auto transmit gross Start auto transmitting gross value none G 01100 OK ERR SH Auto transmit hold value Start auto transmitting hold value none H 01000 OK ERR SM A...

Страница 29: ...4 Motion detection Commands NR NT 37 C 4 5 FiltersettingCommands FM FL UR 38 C 4 6 SetZero TareandResetZero TareCommands SZ RZ ST RT 40 C 4 7 Output Commands GG GN GT GS GM RM GH GO GV GW 42 C 4 8 Aut...

Страница 30: ...0 The response to this request comprises of two 3 digit decimal values which can be decoded according to the table below Leftmost 3 digit value Rightmost 3 digit value 1 Signal stable 1 not used 2 Zer...

Страница 31: ...100 ms MT_500 OK Setting MT 500 ms Note MT 0 means disabled trigger and average function Factory default 0 See time diagram of check weighing page 32 GA Get Average Issuing the GA command the DAS 72...

Страница 32: ...PLC sends DAS 72 1 responds Result TL T 99999 Request TL 99 999 TL_1000 OK Setting TL 1 000 With regard to all the trigger commands SD TR TE TL a check weighing will automatically restart when the we...

Страница 33: ...utput value Permitted values are 0 99 999 Master PC PLC sends DAS 72 1 responds Result CI I 00300 Request CI 300 CE E 00017 example Request TAC counter CE17 CE_17 OK Calibration sequence active CI_ 10...

Страница 34: ...tting no decimal point CZ Set calibration zero point This is the reference point for all weight calculations and is subject to TAC control Master PC PLC sends DAS 72 1 responds Result CE E 00017 examp...

Страница 35: ...2 0000 Request Meas range 2 000 mV V CE E 00017 example Request TAC counter CE17 CE_17 OK Calibration sequence active AG_17500_10000 OK new Measuring range 1 750 mV V 10 000 d Factory default 10 000 2...

Страница 36: ...sequence active FD OK Factory default setting CS Save the calibration values This command results in the calibration values being saved to EEPROM and causes the TAC to be incremented by 1 Master PC PL...

Страница 37: ...tted values are between 1 and 65 000 Master PC PLC sends DAS 72 1 responds Result NR R 00010 Request NR 10 d NR_2 OK Setting NR 2 d WP OK Setting saved NR 2 i e fluctuations within a maximum of 2 d in...

Страница 38: ...dB decade see table mode 0 The digital FIR filter works as a low pass filter with quick response damping see table mode 1 Factory default 0 FL Setup filters Command for setup cut off frequency permitt...

Страница 39: ...The average will be calculated over 2UR samples Permitted values 0 7 see table below UR 0 1 2 3 4 5 6 7 number of samples 1 2 4 8 16 32 64 128 Check adjustment update rate Master PC PLC sends LDU XX...

Страница 40: ...ignal is not stable as defined by the No motion range NR and the No motion time NT If the weight signal is stable the response to the IS command Device Status will show the signal stable bit active an...

Страница 41: ...weight signal is stable the response to the IS command Device Status will show the signal stable bit active and the ST command will be accepted OK If the signal stable bit is not active the ST comman...

Страница 42: ...h of the ADC range is being used Master PC PLC sends DAS 72 1 responds Result GS S 125785 AD value 125 785 d For service applications it is helpful to note the GS values for the no load or zero output...

Страница 43: ...h represent two bitmapped status indicators The last two hexadecimal characters represent the checksum which is the inverse of the sum of all the ASCII values of the string not including the checksum...

Страница 44: ...C PLC sends DAS 72 1 responds Result SN N 01000 Net value 1 000 d SW Auto transmit of the long weight values in a data string Command for continuous output of the current net weight gross weight scale...

Страница 45: ...command AIx Master PC PLC sends DAS 72 1 responds Result SO M 01 100 Peak to Peak value 1 100 d SV Valley value transmitted continuously This command gets the actual Valley value This function has to...

Страница 46: ...tputs if enabled by the OM command The status response is in the form of a four digit code where 0 false and 1 true outputs are normally open open drain MOSFETs the least significant bit corresponding...

Страница 47: ...ote When reading the status of the logic outputs using the IO command the setpoint status will be returned regardless of the OM setting Sending OM_0000 disables the external logic output control Facto...

Страница 48: ...nt S1 ON or OFF will be setup Permitted values are 0 or 1 Master PC PLC sends DAS 72 1 responds Result P1 P1 00000 switch logic P1 0 P1_00001 OK switch logic P1 1 Example Setpoint Hysteresis Switch lo...

Страница 49: ...weight A1 2 Peak value A1 3 Average value A1 4 Hold value A1 5 Peak to Peak value A1 6 Valley value A1 7 Error message for ERROR 4 5 A1 8 Output diabled Request Set Base for logic output 1 Master PC P...

Страница 50: ...tup Baud rate With this command the following Baud rates can be setup 9 600 19 200 38 400 57 600 and 115 200 Baud Master PC PLC sends DAS 72 1 responds Result BR B 9600 Request 9 600 Baud BR_115200 OK...

Страница 51: ...ds until a further OP command arrives with a different device address or a CL command is received LI Listing of complete setup After issuing command LI the DAS 72 1 Mark II answers with following data...

Страница 52: ...put Master PC PLC sends DAS 72 1 responds Result AA A 00001 set net AA_0 OK set gross Factory default 2 analogue output OFF AH Set the analogue high level Request Set up high level for analogue output...

Страница 53: ...lter FL FM the No Motion NR NT and the communication AD BR DX will be saved in the EEPROM Master PC PLC sends DAS 72 1 responds Result WP OK Parameter saved WP ERR Error SS Save the setpoint set up pa...

Страница 54: ...ctory default setting return to CS Calibration save Example setup of zero point gain and decimal point The choosen test weight has the value 5000 increments That could be 500 g 5 kg or also 5000 kg We...

Страница 55: ...quipment Approvals Officers at the relevant National Weights Measures Office will then reveal the extent of any pattern testing that may be necessary to ensure compliance Restrictions upon usage when...

Страница 56: ...message Reset DAS 72 1 before proceeding switch the DAS 72 1 off and on again and press the button OK Download proceed The end will be indicated with Programing OK Switch off DAS 72 1 Open solder pads...

Страница 57: ...nische Instrumente entsprechen und sowohl die Sicherheitsvorschriften als auch andere Schutzbestimmungen und die allgemein genehmigten Regeln f r technische Sicherheit Umweltschutz und elektromagnetis...

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