Pennsylvania Scale Company 7600 Operation Manual Download Page 6 | Manualshive

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Last printed 9/3/2002

6

4

……………………………. Key

5

……………………………. - Sense

6

……………………………. - Excitation

7

……………………………. + Signal

8

……………………………. + Excitation

NOTE: If a four wire hook up is used, short connector pins 7 and 8 together.

CONNECTING THE 7600/4 IN WASHDOWN APPLICATIONS:

Open the 7600/4 enclosure by removing the screws holding on the back plate. Carefully

remove the back plate from the indicator. The main circuit board is mounted to the back plate.
On the main circuit board, locate the load cell terminal block labeled P11. A white dot on the
circuit board denotes the location of pin #1 on the terminal block. Insert the scale platform cable
through the watertight Heyco bushing supplied on the indicator housing and feed it up to the load
cell terminal block. Insert the wires from the load cell cable into the terminal block using a small
screwdriver to tighten the connection for each wire. The following chart shows the proper
wiring for the terminal block.

WIRE COLOR

FUNCTION

TERMINAL

(Pennsylvania Scale Platforms)

LOCATION

GREEN

+ SIGNAL

# 1

WHITE

- SIGNAL

# 2

SHIELD

SHIELD

# 3

-------

-------

# 4

BLACK

- SENSE

# 5

BLUE

- EXCITATION

# 6

RED

+ SENSE

# 7

BROWN

(or ORANGE)

+ EXCITATION

# 8

A four wire load cell hook up may be used but is not recommended. If a four wire hook

up is necessary, short the + EXCITATION to the + SENSE on the terminal block.

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Summary of Contents for 7600

Page 1: ... Calibration Manual Pennsylvania Scale Company 1042 New Holland Avenue Lancaster PA 17601 For online interactive tech support or more information on Pennsylvania Scale products visit our website at www pascale com Part Number UM 12199 Version 4 02 Revised September 3 2002 ...

Page 2: ...12 AUTOMATIC SAMPLE to BULK 12 DETERMINING ERROR OF COUNT one switch 12 DETERMINING ERROR OF COUNT two switch 12 PIECE WEIGHT DISPLAYED AS WEIGHT 1000 13 NEGATIVE COUNTING 13 NORMAL COUNTING two switch 13 NORMAL COUNTING WITH AUTOMATIC SAMPLE to BULK 13 TOP END COUNT SAMPLE ADDED one switch 14 TOP END COUNT SAMPLE REMOVED two switch 14 ERROR COUNT USING AUTO SAMPLE UPDATE 14 ERROR COUNT two switch...

Page 3: ...IME DATE 30 CALIBRATION 31 33 CALIBRATION COMMANDS 32 CALIBRATION EXAMPLE 33 CAL COMMAND 34 35 7600 SERIES ADDENDUM SECTION 3 CONTENTS INTRODUCTION 36 MODEL 7X00 AC DC OPERATING 37 38 MODEL 7600 4 20ma OUTPUT 39 MODEL 7600 15 DIGIT ID 2 PRINT FORMATS 40 41 MODEL 7600 40 PIECE WEIGHT STORAGE AND RECAL 42 43 MODEL 7600 PRICE COMPUTING BY COUNT 44 45 MODEL 7600 WITH ACCUMULATION 46 47 MODEL 7600 BASI...

Page 4: ...on The 7600 Series Scale has been packaged for shipment to ensure safe damage free arrival Please use reasonable care when removing the unit from the shipping carton and retain the origi nal packaging materials in case reshipment is required NOTE TO PROTECT THE WARRANTY FILL OUT AND RETURN THE WARRANTY CARD AND THE SCALE CONDITION REPORT To prepare the 7600 for operation follow the procedure outli...

Page 5: ...damage free arrival Please use reasonable care when removing the unit from the shipping carton and retain the origi nal packaging materials in case reshipment is required NOTE TO PROTECT THE WARRANTY FILL OUT AND RETURN THE WARRANTY CARD AND THE SCALE CONDITION REPORT The 7600 4 Indicator is designed to be used with a standard load cell type weighing platform This platform may be a 1 2 or 3 mv v s...

Page 6: ... the terminal block Insert the scale platform cable through the watertight Heyco bushing supplied on the indicator housing and feed it up to the load cell terminal block Insert the wires from the load cell cable into the terminal block using a small screwdriver to tighten the connection for each wire The following chart shows the proper wiring for the terminal block WIRE COLOR FUNCTION TERMINAL Pe...

Page 7: ...nostic failure may be by passed by pressing the CHECK button The serial interface will also transmit the test numbers The following table lists each test and it corresponding display DISPLAY DIAGNOSTIC FUNCTION 9 9 9 9 9 9 EPROM Checksum light all LEDS 8 8 8 8 8 8 RAM check 7 7 7 7 7 7 Novram check 6 6 6 6 6 6 Check switches not shorted 5 5 5 5 5 5 No Test 4 4 4 4 4 4 Check load cell excitation vo...

Page 8: ...ing selected during calibration Sample Update Piece weight accuracy may be improved after the initial sample by adding a quantity of parts between 10 and 100 of the original sample to the platform When this is done the scale will recalculate the piece weight display the new percent error accuracy for 2 seconds and then return to the counting mode Second Base An optional second base is available to...

Page 9: ...in the sample set mode for counting operations GROSS NET Button Switches the scale display between Gross weight and Net weight PIECE WEIGHT Button Will cause the scale to display the presently stored piece weight if any and puts it into the piece weight entry mode TARE Button Will tare off any weight setting on the platform and enter it into the tare memory KEYPAD TARE Button Will display whatever...

Page 10: ...by the AZT feature Add light items to the platform simultaneously WEIGHING WITH TARE 1 If the second base option has been installed press the BASE button to select base 1 or base 2 When base 2 is selected the base 2 LED will be lit When base one is selected the base 2 LED will be out If base two has been locked out during calibration the word Error will momentarily show on the display 2 Press the ...

Page 11: ...g Sample 1 If a container will be used to hold items being counted place it on the platform 2 Press the SAMPLE SET button The scale zeroes AddXXX appears on the display where XXX is one of the four pre programmed sample sizes Repeated pressing of the switch successively displays the four sample sizes entered during calibration 3 If a different sample size is required key in the desired sample size...

Page 12: ...his method requires that the scale be configured with two bases a sample and a bulk base The lighter capacity sample base is used to calculate the piece weight and the parts are counted on a heavier capacity bulk base In most cases higher counting accuracy is achieved with this method because the calculated piece is more precise when the sample is weighed on the light capacity sample base In norma...

Page 13: ...e displayed as the parts are placed onto the platform The more parts that are added the lower the percent of error will be 5 Press the ENT button The scale will switch to the count mode and display the sample count 6 The remaining parts to be counted may now be placed onto the scale Normal Operation with Automatic Sample to Bulk Feature The second base option needs to be installed and calibrated f...

Page 14: ...tainer with contents on the platform and press the SAMPLE SET switch AddXXX will appear on the display where XXX is one of the four pre programmed sample sizes Select the desired sample size by repeatedly pressing the SAMPLE SET switch or key in an alternative sample size 4 Remove the displayed sample quantity from the container The display will show the percent error accuracy If selected in calib...

Page 15: ...T switch for two seconds AddXXX will appear on the display where XXX is one of the pre programmed sample sizes Select the desired sample size by repeatedly pressing the SAMPLE SET switch or key in a new sample size 6 Place the sample onto the platform all at once this should be done if the parts are extremely small or count them onto the platform one at a time 7 The display will show the percent e...

Page 16: ...de upon request from an external device 8 Alteration of scale Calibration RS232 communications parameters and print formatting 9 information Refer to Programming and Calibration Manual for more information RS 232 PIN ASSIGNMENTS AND IMPLEMENTED FUNCTIONS Connection to the Serial Port is made via a DB 9 female connector found in the access area on the bottom of the scale PIN EIA CODE FUNCTION DIREC...

Page 17: ...n a 125 character buffer If many commands are sent to the scale at high baud rates it is possible to completely fill this buffer and data will be lost Be sure to send commands to the scale at a rate which does not exceed 125 characters every 500 ms The basic command formats are 1 add cmd cr 2 cmd flt cr Where cmd is a three letter command add is a scale address number 0 255 cr represents a carriag...

Page 18: ...t SRP Send Requested Print SSZ Send Sample siZe STM Send TiMe STW Send Tare Weight SVN Send Software Version Number Calibrate and Configure Commands CAL CALibrate Same as pressing SW4 button CFC ConFigure Communication To set baud rate etc CFP ConFigure Print codes To enter print codes CLE CaLibration End To save calibration data CLM CaLibrate Modes To set Auto zero Count PcWt 1000 CLP CaLibrate P...

Page 19: ...le to printer 190 PRINT 2 SCALEINPUT Writes data from scale to file 200 END IF 210 WEND 220 END NOTES Omit line 180 if data is not to be sent to the printer Omit lines 100 and 190 if data is not to be written to a file In line 100 the word OUTPUT opens the file test dta deleting any data that was in the file before this program was started If you want to preserve the contents on the file test dta ...

Page 20: ...Err2 FF EEPROM read error Err2 EEPROM Err 10 Count too large none Err 11 Keyboard Entry Error none Err 13 Negative number less none than 99 999 Will not fit on display Err 30 Illegal Zero none Err 31 Illegal Tare none Err 40 Load Cell error none Err 80 RS 232 Input Error none Err 81 RS 232 Input Error none Err 82 RS 232 Overflow none Err Cnf Config load error on startup Err 85 Reset to 300 baud Er...

Page 21: ...eadings This mode requires the use of F class weights to be completed 50 Set counting type and functions 60 RS 232 CAL setup RS 232 Interface parameters 70 Setting the time date and sleep mode time 80 Print CAL setup printer output format 0 Exit Point Calibration categories 50 60 70 and 80 may be accessed form the front panel of the scale This is done by pressing and holding the PRINT button for 2...

Page 22: ...he calibration button on the main circuit board This button is labeled SW4 and CAL SEL CAUTION Since this must be done with the indicator turned on care MUST be taken not to come in contact with the 110 volt power supply Ø Enter calibration by pressing the CAL SEL button The display will prompt with bas Ø Replace the back plate and replace the fastening screws Ø The calibration steps are described...

Page 23: ...ion and entering a 0 will disable the zero tracking feature Caution It is not recommended that a value larger than 5 00 be entered in this step as it may cause errors in weight readings 0 25 is the standard entry CAL 30 Entry point for secondary weighing unit 2Un 31Select secondary weighing unit by keying in a number from the following chart Only available on base 1 1 lb 5 lb t 9 c 13 tons 2 kg 6 ...

Page 24: ...will be displayed as percent accuracy dISAbL will disable the percent error feature and the word ERROR will be momentarily displayed when the 3 key is pressed ASb 58 Select automatic sample to bulk Use the UNITS 4 key to select YES or NO nEG 59 Select if negative sampling will be allowed during two switch top end counting Use the UNITS 4 button to select YES or NO CFG 60 RS 232 Configuration This ...

Page 25: ...A FORMATTED PRINT The user defined formatted print is the string of information sent from the RS 232 port when the PRINT button is pressed or the scale receives an SRP command from a computer or terminal The user selects the format of this string by entering two digit print codes into the 20 available print slots PSL 81 through PSL 101 The print codes which represent various types of scale informa...

Page 26: ...LE SIZE prefix 11 err or acc prefix for percent error accuracy 12 Base prefix 13 ID prefix 19 Pcs suffix ELTRON LP 2642 Print Commands 14 Prologue File name L1 15 Epilogue P1 prints 1 label Print Data Only Formatted Print Codes 20 Print Current gross weight 21 Print Current tare weight 22 Print Current net weight 23 Print Current Count 24 Print Piece Weight 25 Print Sample Size 26 Print Percent Er...

Page 27: ...aracters Formatted Print Codes 60 Print an ASCII space SP 61 Print an ASCII horizontal tab HT 62 Print an ASCII line feed LF 63 Print an ASCII start of header SOH 64 Print an ASCII carriage return CR 65 Print an ASCII carriage return and line feed CR LF 66 Print an ASCII form feed FF 67 Turn on large print PA Scale printer SO HEX 0EH 68 Turn off large print PA Scale printer SI HEX 0FH 69 Print an ...

Page 28: ...ights NOTE All commands and parameters must be separated by spaces The entire command string must be terminated with a carriage return CONFIGURATION OF RS 232 COMMUNICATION PARAMETERS The unit leaves the factory with the following default communication settings BAUD 300 WORD LENGTH 7 bits STOP BITS 1 PARITY ODD These settings may be changed using the local or remote display keyboard as described a...

Page 29: ...it no parity no echo and address 5 Other baud rates that can be used are 300 600 1200 2400 4800 19200 Parity choices are 0 is no parity 1 is odd 2 is even Word length 7 or 8 Stop bits 1 or 2 Echo 0 is off and 1 is on Scale address 0 255 NOTE Spaces must separate the settings and there must be 6 values ...

Page 30: ...nter sleep mode minutes after last usage A 0 will disable the sleep mode and any number from 5 to 12 will determine how many Minutes the scale will remain on CFN CFN 0 0 1 0 ENT Turns off weight per 1000 0 no 1 yes Disables two switch counting 0 no 1 yes Percent display set to percent error 0 disable 1 error 2 Accuracy Turns off auto sample to bulk 0 no 1 yes CFT CFT 2 11 00 11 05 94 ENT Scale wil...

Page 31: ...olding the top plate in place and lift front of the top plate This will allow access to the calibration switch SW4 on the front center of the main PC board when needed To begin calibration enter any of the Calibration commands The Model 7X00 Series product will prompt to the terminal one of the following messages RESPONSE TO TERMINAL parenthesis indicate scale display message Push CALIBRATION SELE...

Page 32: ...alibration using a filter response time of 3 COMMAND CLW 3 5 0 EN Enters the Weight Calibration with a filter response of 3 and a single point Calibration using a 5 lb weight COMMAND CLW 3 1 10 ENT Enters the Weight Calibration a filter response of 3 and using a 1 lb and a 10 lb Weight NOTE Unless Calibration points are entered as part of the CLW command Calibration points will default to one half...

Page 33: ... If data acceptable CAL Completed CALIBRATION EXAMPLE Using the example commands from the previous page a typical sequence of calibration commands might be 1 CLP 10 0 0 002 5 0 1 Enters the primary calibration factors 2 CLU 0 Selects print while Unstable for non NTEP 3 CLW 3 Enters the weight calibration mode 4 CLM 0 1 1 Enters no Canadian auto zero count yes 5 CLS 2 0 001 Enters the secondary cal...

Page 34: ...Enter display resolution 23 Zero Range 25 000 25 000 Zero to full capacity 24 Primary Unit 1 1 Refer to chart on p 5 25 Print Operation StAbLE 1 0 unstable 1 stable 26 Canadian Unit no 0 0 no 1 yes 27 Zero Tracking 0 25 25 Key in of one display resolution Calibration Step 30 30 31 Secondary Unit 2 2 Refer to chart on p 5 32 Secondary Resolution 0 001 0 001 Enter display resolution Calibration Step...

Page 35: ...to 12 Configuration Step 80 80 81 Print Slot 65 65 Print codes on p 10 82 Print Slot 30 30 Print codes on p 10 83 Print Slot 65 65 Print codes on p 10 84 Print Slot 99 99 Print codes on p 10 Calibration Step 0 0 Diagnostic 8 7 6 5 4 3 Wait for update display 2 1 0 Wait Ready for Command At these steps 1 Pressing return will enter that calibration category 2 Keying any of the following numbers 10 2...

Page 36: ...ent software program options for special application use This addendum to the manual provides instructions on operational differences between these scales and the standard scale The addendum instructions cover only the differences in operation and are meant to be used in conjunction with the rest of this manual ...

Page 37: ...wer supply line cord packed separately that needs to be removed from the box up to Step 8 activating the scale To operate the scale on AC 1 Remove the platform and stand the scale on its right side This will allow access to the line cord socket on the bottom of the scale 2 Plug the DIN type connector on the line cord into the mating connector on the scale and return the scale to an upright positio...

Page 38: ...a grounded AC outlet The battery will be charging as long as the scale is plugged in The scale does not have to be turned on to charge the battery It is strongly recommended the scale battery be recharged after every use NOTICE The battery used in the 7XOO series AC DC scales is a sealed lead acid Gel Cell type battery It is important that this type of battery not be allowed to go into a deep disc...

Page 39: ...TABLE b BAU 61 Select 300 Baud Rate c LEN 62 Select 8 Data Bits d SPB 63 Select 1 Stop Bits e PAR 64 Select None for Parity f ECH 65 Select No Echo g CDR 66 Select 0 Com Address h PD 67 Select NO diagnostic information sent to serial port during power up 2 Set up the Print Slots and Codes as follows a PSL 81 50 b PSL 82 15 c PSL 83 65 d PSL 84 99 3 Connect the two 4 20ma output wires to the device...

Page 40: ...rint the 1st stored print format press the PRINT 8 button 2 To print the 2nd stored print format press the PRINT 7 button Note All other scale functions are available and operate normally For more information on other 7600 scale functions please refer to the 7600 Operators Manual MODEL 7600 SERIES RS 232 SCALE COMMANDS Unique to this model The Following RS 232 Commands found in the 7600 calibratio...

Page 41: ...g 5 63 ASCII Start Of Header 45 Print User String 6 64 ASCII Carriage Return 46 Print User String 7 65 ASCII Carriage Return Line Feed 47 Print User String 8 66 ASCII Form Feed 48 Print User String 9 69 ASCII Null 49 Print User String 10 98 End of first print format beginning of second print format 20 Print Gross Weight Data 99 End Formatted Print Codes 21 Print Tare Weight Data 22 Print Net Weigh...

Page 42: ...asure to establish the piece weight in by pressing the UNITS button to cycle through the primary and secondary weighing units Default is LBS for primary KG for secondary 2 Press the PIECE WEIGHT Button key in the piece weight and press the ENTER button 3 Press the STORE 8 button and enter the ID number for this piece weight The scale will alternately display ID and the last ID number used Key in t...

Page 43: ...odes MODEL 7600 SERIES RS 232 SCALE COMMANDS Unique to this model Input Commands Description Format IID Input ID and Piece Weight IID Space IDNUMBER Space Piece Weight Carriage Return RID Recall ID RID Space IDNUMBER Carriage Return SPW Send Current Piece Weight SPW Carriage Return SID Send Current ID SID Carriage Return SIP Send All ID s and Piece Weights SIP Carriage Return CIP Clear all ID s an...

Page 44: ...s on the scale press the UNITS 4 Button repeatedly to cycle through Price Primary Weighing Units Secondary Weighing Units and Count 4 To view or change the Unit Price press the ID 5 button Store A Manually Entered Piece Weight 1 Select the unit of measure to establish the piece weight in by pressing the UNITS button to cycle through the primary and secondary weighing units Default is LBS for prima...

Page 45: ...tal Price Data NOTE All other print codes operate as on a standard 7600 Please refer to the 7600 Calibration manual for a complete list of all print codes MODEL 7600 SERIES RS 232 SCALE COMMANDS Unique to this model Input Commands Description Format IID Input ID Unit Price IID Space Unit Price Carriage Return NOTE All other RS 232 commands operate as on a standard 7600 Please refer to the 7600 Cal...

Page 46: ... first stable non zero weight The display will show the accumulated total for two seconds and the Transaction Counter will be incremented by one To Clear Accumulated Totals And Transaction Register 1 Press and hold the TARE button for 3 seconds until the display flashes RESET 2 Press the ACCUM 2 button with the accumulated count or weight displayed press the ZERO button Note To select Manual or Au...

Page 47: ...Value NOTE Please refer to the 7600 Calibration manual for a complete list of all print codes MODEL 7600 SERIES RS 232 SCALE COMMANDS Unique to this model Input Commands Description Format SAC Send Accumulated Count or Weight SAC Carriage Return STR Send Transaction Register STR Carriage Return CAC Clear Accumulate Transaction Registers CAC Carriage Return ACC Accumulate Count or Weight On Scale A...

Page 48: ...nits Default is LBS for primary KG for secondary 2 Press the SAMPLE Button and place 1 One of the items on the scale platform Key in the conversion factor and press the ENTER button 3 The scale will now display the Basis weight of the selected conversion factor As an example if the operator entered a conversion factor of 100 the scale will now display the basis weight of 100 pieces 4 To view the w...

Page 49: ...nt Current Conversion Factor 24 Print Current Basis Weight Print Prefix Data and Suffix Formatted Print Codes 33 Print Conversion Factor with prefix 34 Print Basis Weight with prefix NOTE All Print codes for counting functions have been changed as listed above or disabled Please refer to the 7600 Calibration manual for a complete list of all print codes MODEL 7600 RS 232 SCALE COMMANDS 7600 Basis ...

Page 50: ...d samples weight compared to the original non processed sample s weight 5 To view the weight press the UNITS Button repeatedly to cycle through PRIMARY SECONDARY and DOCKAGE OR 5 Select the unit of measure to perform the conversion with by pressing the UNITS button to cycle through the primary and secondary weighing units Default is LBS for primary KG for secondary 6 Press the PIECE WEIGHT Button ...

Page 51: ...en changed as listed above or disabled Please refer to the 7600 Calibration manual for a complete list of all print codes MODEL 7600 SERIES RS 232 SCALE COMMANDS Unique to this model Input Commands Description Format SDK Send Dockage Percentage SDK Carriage Return SME Send Memory weight SME Carriage Return NOTE All RS 232 commands for counting functions have been changed as listed above or disable...

Page 52: ...rough DB 9 cable on pins 2 3 5 and 8 4 Install UPS Worldship using instructions provided with the software 5 After installing select TOOLS SYSTEM PREFERENCES and select TOLEDO PS60 and COM1 or the correct serial port on the computer Then select TEST SCALE and place weight on scale to verify communications are working 6 Make sure that the ELCTRONIC SCALE ACTIVATED checkbox is selected NOTE All RS 2...

Page 53: ...performance 2 DL 28 Display lock settings This is to set up the display lock after a specified number of stable readings Any number from 0 to 255 may be entered for this calibration step 3 AVG 28 Advanced Digital Filtering level The number of weight readings averaged to produce the final weight displayed is adjustable Enter the number of weights to average from 4 to 64 The default is 16 Increasing...

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