Home

SURVIVOR CW-80 - Rice Lake Weighing Systems

1. Figure 2 5 Key Battery Case and Mounting Plate 6 V Battery Battery Quick Connector Power Cable and Charger Quick Connectors Power Cable to Indicator blue brown 115 VAC to 6 VDC Battery Charger Duda Installation 2 7 Figure 2 6 Board Diagrams Nomex insulative strip over Power supply board AC voltage selection jumpers component side O O Battery gt O H Anan Battery gt H UU UU I A US o f A Gnd O H 1 0 A f Over gt DH 2 YY Gni D H amp IA Gnd D H 5 YU Y Optional Relay AC 1 Under Dinas o Sockets t ae not used AZ A nn o GND b HL LIL gery enD O J2 oo O Figure 2 7 IN CPU board component side lt gt Figure 2 7 Key Ribbon Cable to Keypad Load Cell Terminal
2. Main CPU board 6 Re cm N 3 4 5 6 Ta Installation 5 5 9 2 4 8 1 2 Back panel screw tightening sequence 5 Torque screws to final value of 1b in lbs e 3 O 7 3 1 10 4 5 5 e 8 4 CW 80 Checkweigher Installation Service Manual If serial communications are used disconnect those wires from the serial communications terminal 3 Using a hex head socket wrench remove the 4 standoffs 5 Remove the two phillips screws 4 from the remaining corners As the main board and display are joined together by a soldered ribbon cable 6 gently lift both boards up away from the head and set aside Remove the white plastic board support 7 from the edge of the main board Keep nearby as you will need it for the first installation step To install the new main board Replace plastic board support at edge of main board Reverse the above steps used for removing the board Verify that all wire terminals correctly match the labeled connections Replace the back plate by tightening the 10 screws in the alternating pattern shown at left Torque screws to a final value of 15 in Ibs Figure 8 3 10 and 12 Checkweigher base in 6 60 Ib capacities o9 NO gt do 5 Back panel screw tightening sequence Torque screws to final value of 15 in lbs 60 Load Cell Replacement For 10 x1
3. Figure 9 1 Head rear and side view Figure 9 2 Column rear and side view Figure 9 3 Base cutaway view 9 4 CW 80 Checkweigher Installation Service Manual Figure 9 4 Battery and box all Figure 9 6 CW 80 dimensions Figure 9 5 Battery charger af d Package clearance Overall height 12 column approx 9 5 12 column 19 max 18 column approx 15 5 18 column 25 max 24 column approx 21 5 24 column 31 max 30 column approx 27 5 30 column 37 max y lt gt Overall depth 10 platform 14 min 16 max 12 platform 16 min 18 max 18 platform 22 min 24 max 24 platform 28 min 30 max min dimension indicator fully upright max dimension indicator fully tilted Appendix 9 5 Replacement Parts List Indicator and Column Assemblies Ref ici Part Description Linda 30203 Backplate ies 65888 Gasket rear panel aces 3034
4. gt H 6 oo Sockets TADVNZL1dS ae Ai AC 2 not used _ gt H 7 An i ot i R notused gt H 8 UU y y HA 2 6 CW 80 Checkweigher Installation Service Manual A Warning The optional DC battery is a lead acid model which gives off flammable gases when charging A vent hole in the bottom of the battery case allows these gases to escape Do not obstruct the vent hole NOTE The CW 80 is not UL listed for operation with the battery backup power supply Figure 2 5 Backup battery and separate charger Optional Battery Backup Operation A DC battery backup power supply is available on special order for factory mounting in the checkweigher column If AC power fails this battery provides backup power until AC power resumes The battery is for emer gency use only and is not designed to be the main power source used each day Whenever AC power to the checkweigher is ON the battery receives a low amperage charge to maintain its capacity If completely discharged the battery can be recharged in 36 hours by this method For rapid charging in 8 12 hours a separate AC recharging unit is available Quick connectors allow easy disconnection of the indicator power cable and connecting the battery charger in its place See Figure 2 5 on a 38 yE
5. EOL if enabled continued CW 80 Checkweigher Installation Service Manual The buffer is able to store in excess of 500 transactions in any of the Prt Out formats A BUFFER error message will appear on the display for one second once the buffer has been filled to 90 of capacity A FULL error message will appear on the display for one second once the buffer has been filled completely and the next transaction will cause a loss of data Data is discarded in a first in first out fashion Table 6 1 continued SIMPLE COMMANDS BR Uy Dp coy H BUFFER ENABLE COMMAND Requests that the CW 80 enable the transaction buffer Once enabled all data normally transmitted upon PRINT Key activation or Auto Print functions will be buffered Data can then be made available from the buffer via serial command This command will most often be used in multi drop applications The CW 80 acknowledges when successful with the Acknowledgement Character sequence EOL if enabled This does not affect CW 80 Power up buffer status as defined in the Configuration Menus BUFFER DISABLE COMMAND Requests that the CW 80 disable the transaction buffer Once disabled all data normally transmitted upon PRINT Key activation or Auto Print functions will be sent out the serial port The CW 80 acknowledges when successful with the Acknowledgement Character sequence
6. EOL if enabled This does not affect CW 80 Power up buffer status as defined in the Configuration Menus however DATA BUFFER XMIT NO CLEAR COMMAND Requests that the CW 80 transmit the contents of the transaction buffer It however leaves the data in the transmit buffer intact until cleared by either a Y or H command No acknowledgement is made if transactions are in the buffer Only the transactions are transmitted If the transaction buffer is empty the CW 80 acknowledges the command with a EOL Acknowledgement Character sequence if enabled DATA BUFFER XMIT AND CLEAR COMMAND Requests that the CW 80 transmit the contents of the transaction buffer and to clear the transaction buffer No acknowledgement is made if transactions are in the buffer Only the transactions are transmitted If the transaction buffer is empty the CW 80 acknowledges the command with a EOL Acknowledgement Character sequence if enabled Only complete transactions are transmitted CLEAR BUFFER COMMAND Requests that the CW 80 clears the contents of its transac tion buffer without transmitting the contents of the buffer The CW 80 acknowledges when successful with the Acknowledgement Character sequence EOL if enabled continued Using the EDP Port 6 3 6 4 Table 6 1 continued SIMPLE COMMANDS CT CTG CO CU CLEAR TARE COMMAND This s
7. This Under Display Set mode timesout after 3 seconds without Po a key press If any key is E 3 pressed the 3 second interval SN 30 UNITS 0 resets The Over Display Set mode operates in similar i ZERO UNITS PRINT TARE fashion ae Operating Modes 5 5 STEP 2 Establish the direction smaller or larger in which you want to alter the displayed value by pressing the appropriate OVER or UNDER key In this example we will make the NET Net value smaller so press UNDER ZERO 0 MOTION NEG Now that the direction has been established the keys shown at right change the indicated digits in that direction while in the Display Set mode In this example each press of a key except the TARE key reduces the value of the digit above it by 1 The least significant digit controlled by the TARE key is reduced by 5 NET Net which is the size of the display ZERO 20 division Count By setting When a MOTION digit is reduced below zero that NEG value borrows from the next significant digit If a time out occurs before your setting is done repeat steps 1 amp 2 again STEP 3 Press the TARE key beneath the 0 digit to reduce that digit by 5 1 display division Notice that when the 0 digit is reduced by five the effect carries over to the next digit 9 80 becomes 9 75 ZERO 20 MOTION NEG NET Net 5 6 CW 80 Checkweigher Installation Service Manual
8. UNDERLOAD ID ILLEGAL NO CALIB NO TOLERANCE BUFFER FILLING BUFFER FULL FAIL SIGNAL DATA OUTPUT ERROR CALIBRATION ERROR LOW SIGNAL ERROR KEYPAD BUTTON ERROR NO UNITS ID ERROR Description Weight on scale is greater than calibrated capac ity range Displayed weight is less than calibrated capacity range ID number 0 cannot be stored ID number must be a positive integer Configuration settings relating to scale capacity divisions grads or decimal pt have been changed Recalibrate scale using current settings No tolerances have been entered for the dis played ID register Buffer 90 full Buffer 100 full No load cell signal present Cannot display lb oz data in 6 display digits CAL SP value must be greater than 20 of full scale Less than 0 3 uV grad signal is present Keypad button X is not producing a signal Keypad button O target error Keypad button 1 print error Keypad button 2 zero error Keypad button 3 over error Keypad button 4 ID error Keypad button 5 tare error Keypad button 6 units error Keypad button 7 under error EEPROM checksum failure CW 80 has de faulted to original units EEPROM write failure Unable to write to ID selected Maintenance and Troubleshooting 8 1 Troubleshooting Table Table 8 2 Symptom Probable cause Remedy No display Power disconnected Connect power Cable cut or d
9. 6 5 X T G 0 0 5 ENTER The CW 80 responds with lt STX gt G005__2 50KG lt EOL gt If the CW 80 is configured for continuous outputs the protocol will be dependent upon the print format selected See Section 7 3 through 7 6 for more information on selecting print formats Installation 2 5 NOTE Unless one of the Output Options B G has been ordered no terminal block J2 or other relay components are included on the CW 80 board for wiring digital outputs Wiring for optional relays uses the same J2 terminal block as the TTL digital output option Additionally if a relay option has been ordered Options C D F of G selected wire traces have been cut at the factory to enable relay use Note that because each relay has its own separate set of dry contacts it is possible to have both AC and DC relays on the same terminal block Wiring the Optional Digital Outputs TTL Output Options Wire selected digital outputs for Over Accept and Under to connector J2 on the power supply board Figure 2 4 There is capacity for up to 3 TTL outputs Table 2 5 provides J2 pin numbers and corresponding digital connections Each output is an open collector circuit capable of sinking 250 mA when on and withstanding 40 VDC when off All logic levels are active low The circuits include 5 V pull up resistors to drive TTL or 5 V CMOS logic without additional hardware Relay Output Options If equipment is to be driven
10. DEFALT as well as any UMES ALT 1 possible alternate units of measure ALT 1 ALT2 and ALT3 2 ALT2 Note that units selection is not indicated by letters on the numeric display but by the ALT3 illuminated Units LED s to the right of the numeric display Press ID key or TARGET key to select the unit From the DEFALT parameter you can set up the default unit of measure Alternate units of measure can be set up from the parameters ALT1 ALT2 and ALT3 The default unit of measure establishes the start up or primary unit and determines the unit by which the scale will be calibrated The possible choices are Ib oz g and kg Units selection is indicated by the illuminated Units LED s to the right of the numeric display When alternate units of measure are desired you can use the UNITS key to set the weight display unit under ALT 1 ALT 2 or ALT 3 Note that ALT2 will be hidden unless ALT1 is active Likewise ALT3 will be hidden unless ALT2 is active Each of the alternate units can be set up to be any of the possible units 1b oz oz Ib g and kg DEFALT SEL UN Default Sets the default unit of measure DEFALT establishes the primary unit of measure GEFALL GRADS for the CW 80 it also determines the unit by which the scale will be calibrated CNT BY In addition to the units of measure you can set the scale graduations decimal point settings DEC PT and Count By display resolution from the DEFALT menu item For the default unit of meas
11. associated with ID 50 These values become the current Over Under Tare values The display units change to the unit of measure recalled for ID 50 register Display shows RECALL then returns to Normal Weighing mode Step Operator Action Table Structure NET Net ZERO 20 MOTION NEG ZERO UNITS PRINT TARE Operating Modes 5 13 5 14 Zeroing the Scale Upon power up or upon exiting the Setup menu the CW 80 will automati cally zero off weight on the platter up to the amount established in the Zero Band setting To prevent unwanted zero shifts be certain platter is empty when powering up the indicator and when exiting the Setup mode In weighing mode the CW 80 will also zero off any gross weight on the scale and display zero when the ZERO key is pressed The amount of weight the CW 80 will zero off in this manner is limited by the zero band ZbANd setting in the Setup menu Choices are 2 of full scale 2PC or 100 of full scale 100PC Test Mode SEEUP SEMAL CALIO ESE number The Test mode is a first level menu item used only for diagnostic purposes by the factory It is accessible only when in Setup and displays a number of display divisions which has a resolution 10 times higher 0 1dd than normal weighing mode For example In weighing mode a fully loaded 15 kg capacity scale GRADS 3000 CNT BY 5 would show 15 000 kg with a minimum display div
12. lt EOL gt STX POL DATA lt SP gt LB KG OZ G lt SP gt T PT lt EOL gt STX POL DATA lt SP gt LB KG OZ G lt SP gt N lt EOL gt is the ASCII START OF TEXT character 02 Hex is the polarity indicator 1 single character ASCII 20H space if positive weight reading ASCII 2DH minus sign if negative weight reading is a 7 character field including decimal point for weight data Data is right justified with leading zeros padded left with spaces 20 Hex is the ASCII SPACE character 20 Hex is the 1 to 2 character indication of the current unit of measure KG for kilograms G for grams LB for pounds OZ for ounces lt SP gt for lb and oz is the indication for Gross Weight information is the indication for Tare Weight information T for LFT and OIML PTT tare mode PT for OIML SET tare mode is the indication for Net Weight information is either lt CR gt or lt CR gt lt LF gt depending on serial port setting for End of Line Termination Advanced Features 7 7 Maintenance and Troubleshooting In this section E Display Error Codes E Troubleshooting Table E Main Board Display Replacement E Load Cell Replacement Display Error Codes Table 8 1 Display error codes Display nnnninn Condition OVERLOAD
13. scale settles out of motion on its transition from Start Up Zero When an object is placed on the scale platform and the weight display stabilizes an Auto Print occurs The data output is then disabled until the object is removed from the scale platform the scale returns to Start Up Zero and the weight display settles after another object is placed on the scale platform transmission occurs upon settling of weight transactions in the direction away from Start Up Zero This differs from AP1 in that while in AP1 mode the scale did not have to return to Start Up Zero in order to enable data output it simply had to go into motion and stabilize again e AP3 Similar to AP2 except that the data enable Zero point is the current system Acquired Zero rather than the Start Up Zero e AP4 Configures the CW 80 to perform automatic transmission of serial data of the last stable weight reading before the scale starts back down to Acquired Zero Once an object is placed on the scale platform and the weight display stabilizes the CW 80 begins recording stable readings until the object is removed from the scale platform The last stable weight reading is the desired transaction weight an Auto Print will occur reflecting the last stable weight reading The data output is then disabled until the weight reading drops back to Acquired Zero and returns to a nonzero stable weight reading Note that this differs from AP1 through AP3 in that AP4 records the last
14. x 18 and 24 x 24 scales Connect load cell cable to correct pins on indicator terminal strip See Figure 2 2 in Installation section Tighten cord grip where cable enters indicator head Reattach rear cover by tightening screws in an alternating pattern to a final torque value of 15 in Ibs Recalibrate scale according to Calibration section of this manual Adjust Overload Protection Screw on bottom of scale by loading scale to 125 capacity Place this weight on top cover centered on platform With appropriate size hex wrench screw in Overload Protection Screw until it touches load cell then back it off 1 6 turn Recheck calibration To reset corner Overload Stop Screws load top spider over one corner with 55 60 of scale capacity Adjust screw under that corner to just touch top frame then tighten locking nut if one is used Repeat for each corner Replace top cover and re level scale if necessary Maintenance and Troubleshooting 8 7 Appendix In this section Specifications Assembly Drawings Replacement Parts List ASCII Character Set Software Revision History Limited Warranty Specifications Analog Specifications Measurement Rate System Linearity Zero Stability Span Stability AZM Zero Track Zero Band Motion Band Calibration Method Excitation Voltage Sense Amplifier RFI Protection Digital Specifications 25 updates second 0 01 of F S 100 nV C maximum 3 ppm C maxi
15. 2 14920 Screw overload protection 8 32NC x 1 4 3 35128 ccc Foot 1 4 20NC 4 14645 Jam nut foot 5 19086 Bottom subassembly 6 15220 cesses Rivet sealing 7 16863 Label bench scale 8 19091 Cover top 10 x 10 9 19088 Top subassembly 10 15148 Washer lock 8 SS 11 14963 Screw cap 1 4 20NC x 3 4 12 15410 Spirit level bubble plastic 13 30783 Load cell RL1380 6 kg 6 lb model 13 3078 2 sec Load cell RL1380 10 kg 10 lb model 13 30781 Load cell RL1380 15 kg 15 lb model 13 30780 Load cell RL1380 30 kg 30 lb model 14 1132 Washer lock 8 SS 15 TASS 7 aci n Screw pan head 16 15408 Grommet rubber 3 16 ID 17 16141 Cable tie 18 14984 Bolt overload spring 6 15 lb models 18 21947 Bolt overload spring 30 lb model 19 2195 Spring overload 6 lb model 19 15416 Spring overload 10 lb model 19 21946 Spring overload 15 lb model 19 2194 Spring overload 30 lb model 20 15149 Washer flat SS 21 14634 Nut nylon insert 1 4 20NC SS 22 35082 Shim load cell 23 15409 ccoo Clamp nylon cable 24 49451 Load plate 25 IO Washer sealing 5 16 26 15138 Washer 8 SS 27 14862 Screw cable clamp 8 32NC x 3 8 OIML Models 13 307803 5 03 Load cell RL1380 30 kg 15 kg model 24 19090 Load plate 9 8 CW 80 Checkweigher In
16. 8 64 weight reading The more vibration in the area the higher the filtering should be set A FILEEF 3 16 128 setting of 1 indicates no filtering while a setting of 128 indicates the most filtering continued 3 oo CW 80 Checkweigher Installation Service Manual Table 3 1 continued SETUP menu Menu Item Parameter Description DISPLAY ONV Display Defines whether the numeric display will be on or merely the bar graph The OFF default is ON To disable the numeric display select OFF COSPLAY SLEEP DELAY LEVEL Sleep Mode Defines when and if the CW 80 should change to a low power state to SLEEP OFFV ldd conserve power 2dd DELAY is the number of minutes the CW 80 will remain at full power without seeing 2 5 ddv any activity 4 10 dd The LEVEL parameter sets the amount of weight change the CW 80 must read before 8 20 dd powering back up to full power 16 50 dd Tere 32 NOTE Sleep mode must be set to OFF for any legal for trade application ID STR ONV ID Storage Defines whether multiple nonvolatile Over Under Tare Units storage OFF registers sets are available or whether a single set of Over Under Tare Units registers R ONLY are used Choices are ON OFF and R ONLY read only e ON enables multiple Over Under Tare Units storage of ID numbers from 001 to 299 e OFF disables this storage e R ONLY read only enables multiple Over Under Tare Units storage but protects them from accidental ov
17. Caution Static electricity may cause loss of stored information in the new main board as well as physical damage to board components Use a personal grounding device like a wrist strap to prevent static electricity charges jumping to the device and damaging the main board Figure 8 1 Power supply board component side DM Caution When changing fuse Fl or F2 replace only with the same type and rating of fuse to prevent risk of fire See page 9 2 for fuse specifications Main Board Display Replacement The steps below show you how to replace the CW 80 main board display The procedure involves removing the power board and main board display to allow installation of the new board Before you begin Turn off the CW 80 power Disconnect power cord from wall receptacle and battery backup Establish a personal ground system like a wrist strap to prevent static electricity discharges to a device At the rear of the CW 80 head remove the 10 phillips head screws that hold the back plate to the head Removal Battery Battery gt Gnd Over Gnd Accept Gnd Under gt not used not used gt A To remove the power board 1 Disconnect ribbon cable that connects J1 10 pin connector on the power supply board to the main board See Figure 8 1 2 Remove AC power wires from main board studs The hot wire to AC 1 is brown and the neutral wire to AC 2 is blue
18. Grasp each wire s spade connector and pull up to remove from studs Do not pull on the wires to disconnect as the spade connectors will tear loose from the wires 3 Remove the 4 phillips head screws and washers from corners of power board and set aside 4 Carefully lift power board from the main board display standoffs and set aside ss JJ i P O i Nomex insulative strip over AC voltage selection jumpers O UU Es wo Optional Relay Sockets Hf fay a ONOaR AND x Er UUUUULUUU O E N l B To remove the main board display 1 Remove the 10 pin display ribbon cable from the main board See Figure 8 2 1 on following page 2 Remove the black red green white and yellow wires from the load cell terminal block EX S1 S1 EX and SH1 respectively See Figure 8 2 2 To release each wire use a small narrow tip screwdriver to press the plastic lever down while pulling the wire up Maintenance and Troubleshooting 8 3 Figure 8 2
19. H 304 8 mm x 304 8 mm x 76 2 mm Column 12 H 304 8 mm 100 200 300 500 1000 lb Platform 18 Lx 18 W x 5 25 H 457 2 mm x 457 2 mm x 133 3 mm Column 18 H 457 2 mm 200 300 500 1000 Ib Platform 24 L x 18 W x 5 25 H 609 6 mm x 457 2 mm x 133 3 mm Column 18 H 457 2 mm 200 300 500 1000 Ib Platform 24 L x 24 W x 5 25 H 609 6 mm x 609 6 mm x 133 3 mm Column 18 H 457 2 mm Weights 6 10 15 30 lb 20 lb 9 07 kg 30 60 100 lb 23 lb 10 4 kg 100 200 300 500 1000 lb 78 lb 35 4 kg 200 300 500 1000 lb 95 lb 43 1 kg 200 300 500 1000 lb 110 lb 49 9 kg NTEP CW 80 indicator CC 96 118 Certified for 10 000 divisions Class IHI TIL CW 80 platform CC 96 107 Certified for 3 000 divisions Class III Measurement Canada CW 80 indicator AM 5146 Certified for 10 000 divisions Class M I HD CW 80 platform AM 5156 AOIML Certified for 3 000 divisions Class HI Se OIML CW 80 indicator and base OIML Certificate R76 1992 DE 97 02 EC Type Approval Certificate D97 09 033 CW 80 indicator only CW 801 O US Test certificate R76 1 EN45501 DO9 97 16 LISTED UL C UL Listed to UL 1950 CSA C22 2 No 950 Standards Appendix 9 3 Assembly Drawings Figures 9 1 through 9 6 are assembly drawings for the CW 80 head column and base Also included is the battery box and charger Figure 9 6 shows dimensions for all available sizes
20. assume you are using a scale with 30 lb capacity set up for 3 000 grads 20 x 01 a Count By of 1 and 2 decimal places An OVER or UNDER button icon with numbers below indicates Un 1 or Ov 1 weight values digitally entered using the keypad a Z PF unt 01 M1 a ULZ pam Y A Un2 Un 1 2 Ov 1 2 Ov2 24mm 10m coo 100 00 200 A scale and container icon indicates the operator has set Ov 1 or Un 1 by placing an actual weight on the scale then pushing either the OVER or UNDER button Ov 1 2 Ov2 377 Da mm am ELL thin LILI ELIO CW 80 Checkweigher Installation Service Manual In TARGET mode all tolerances Un 1 TARGET Mode Un 1 2 Un 2 Ov 1 Ov 1 2 Ov 2 are pre set by the installer The operator places a sample weight of the product on Checkweigher Acquired Weight Value by Pressing TARGET Key the scale and presses the TARGET key This target weight is acquired by the CW 80 In this example the lower ACCEPT a point Un 1 is set for 20 grads below and the upper ACCEPT point Ov 1 is set for 20 grads above this acquired target weight All other tolerance values controlling the Under Accept Over LED display lights are pre set by the installer as follows Un 1 2 100 dd Ov 1 2 100 dd Un 2 200 dd Ov 2 200 dd NOTE The operator can temporarily override the established settings for the UNDER lower Un 1 and upper Ov 1 limits of the ACCEPT ban
21. can be viewed at www rlws com or obtained by Calling 715 234 9171 and asking for the training department O 2004 Rice Lake Weighing Systems All rights reserved Printed in the United States of America Specifications subject to change without notice Version 1 3 J anuary 2004 OU SET A o 5 4 PTT SET MOG sido 5 4 Displaying and Setting Over and Under Tolerance Values c ccccssceeeesseeeeeesseeeeeeeaees 5 5 Alternate Method for Changing Over or Under Values ceee 5 7 Setting Tare Valle aran lin 5 8 To Display the C rment Tare Val aa aaa 5 8 Using ID Storage RSIS TIS iaa aa 5 12 Keyed IDO S electio adas 5 12 Zeroing MeS Cale asa 5 14 TeSt MOUE col 5 14 e Using Me EDP Pone 6 1 PP PP n E 6 1 Simple Commands No Response aran isa 6 2 Inquiry Commands Requesting Status Data ccnnncccccnnnnccnnonnncnnnnnnanonan on onccornanann conos 6 5 IDReterente Command 6 15 Commands to Read and Write to DS nina ar 6 20 Advanced FOIS cir 7 1 A e E 7 1 Red Segments 2 an rl iia 7 1 Green Segment a io 7 2 Amber Segments ansia di Aaa 7 2 SENG Baf Graph Segments macia 7 2 PSIG OMNES tar rn 7 3 Maintenance and Troubleshooting 8 1 Display Eror CodeS daa 8 1 Troubleshooting Tabla 8 2 Main Board Display Replacements circa nada 8 3 ss A EE E 8 3 al ds E A E E A 8 4 Load Cell Replace arrasa A 8 5 do pe COP e Ao EEE OOOO EPS Pe 9 1 SSC MC AMOS race 9 1 Assembly DTAW IMDS comunas acia ia 9 4 Replacement Parts aaa
22. is right justified with leading zeros padded left with spaces 20 Hex is the one two character indication of the current unit of measure kg for kilograms g for grams Ib for pounds oz for ounces Ib oz use special format See XTG command for full details is either CR or CR LF depending on serial port setting for End of Line Termination XT XMIT TARE COMMAND This sequence requests the CW 80 to transmit the current Tare value associated with the current ID number Response Format Where STX FT 2 nnn gt POL DATA SP UNITS STX T nmn POL DATA SP UNITS EOL is the one ASCII character 02 Hex for Start of Text is ASCII literal text 54 Hex is the three ASCII character for the ID number Example nnn would be 025 for the 25th ID register is ASCII literal text 3A Hex is the polarity or sign of the Tare value space 20 Hex for positive values 2D Hex for negative values is a seven character field with including decimal point for Tare value data Data is right justified with leading zeros padded left with spaces 20 Hex is the ASCH character for space 20 Hex is the one two character indication of the current unit of measure kg for kilograms g for grams Ib for pounds OZ for ounces Ib oz use special format See XTG command for full details continued Using the EDP Port 6 9 Command F
23. lit slightly over when inner arrow is lit moderately over when both are lit greatly over when outer arrow is lit Advanced Features 7 1 7 2 Green Segment 1 The green segment Figure 7 1 indicates an Accept value When illuminated the green segment light indicates that the container weight is within the actual acceptable band of weight limits Figure 7 2 Amber Segments 2 The amber segment Figure 7 1 indicates an Over weight value When illuminated the amber segment s indicate that the container weight is more than the highest acceptable weight value There are 3 levels of Over weight readings The leftmost amber segment is used to indicate that the container weight is slightly over the acceptable weight band Figure 7 2 the rightmost amber segment is used to indicate that the container weight is greatly above the acceptable weight band Illuminat ing both amber segments indicates moderately overweight Setting Bar Graph Segments Setting Weight Bar Graph Values Ov 1 Un 1 The ACCEPT band tolerances are set using weight values Depending on the operating mode chosen these values can be set by the installer in the Configuration mode or can be set by the operator in Normal Weighing mode When the weight on the scale just exceeds the ACCEPT band by 1 display division the first amber segment lights This level is set as Ov 1 or slightly over When the weight on the scale is under the ACCEPT ba
24. mount dena shire caval 15631 3 nylon tie lacas 32184 Line filter assembly Diarias 31595 Support for circuit board Dias 41965 Power cord assembly 115 VAC 23 isaisa 45254 Power cord assembly 230 VAC D4 E 14956 Bolt 1 4 20 hex head 26 vicceecsreeees 30208 Column 30 20 sea cs 30207 Column 24 Oi 30206 Column 18 20 iaa 30205 Column 12 ZO ratita 30623 Screw 8 32 NC x 7 16 Slotted fillister SS PA ES 71349 Breather filter See drawing on next page 9 6 CW 80 Checkweigher Installation Service Manual relays relays relays relays Additional Replacement Parts 47966 Shield high voltage 30907 Indicator stand wall mount bracket 32388 Battery back up unit 32387 Cable assembly battery backup box 15671 Cable grip 1 4 NPT battery backup box 31223 Relief valve battery backup box 30330 Enclosure battery backup box 30204 Standoff 1 4 20 x 1 15664 Reducing gland 9 mm x 3 8 NPT 30375 Seal ring nylon 15627 Lock nut cord grips 15134 Lock washer 8 15369 Line filter standoff female 6 32 NC x 3 4 16892 Cable ground 32292 Guide tube 45043 Wire ground 4 35993 115 VAC fuse 250 mA 2 46421 230 VAC fuse 125 mA 2 z 3 5 E E a a Appendix 9 7 10 x 10 Base Assembly Ref Part Description
25. of Over Accept Under status O if Over LED is illuminated A if Accept LED is illuminated U if Under LED is illuminated continued Advanced Features 7 3 TOL Sample Print Outs TOL Gross Accept lb and oz 5 LB 2 10 OZ GRA TOL Net Over lb and oz 5 LB 4 18 OZ NTO Table 7 1 continued TOL tolerance output format ST lt EOL gt is a 1 character field for CW 80 status transmitted during continuous PFUNCT CONT transmit mode only M for Motion status scale is not at standstill R for Overload out of range indication lt sp gt ASCII 20 Hex for Standstill in range reading is either lt CR gt or lt CR gt lt LF gt depending on serial port setting for End of Line Termination Where lt STX gt POL DATALB DATAOZ lt SP gt GR NT O A U ST lt EOL gt Units lb and oz Print Format lt STX gt POL DATALB lt SP gt LB lt SP gt DATAOZ lt SP gt OZ lt SP gt GR NT O A U ST lt EOL gt is the ASCII START OF TEXT character 02 Hex is the polarity indicator 1 single character ASCII 20H space if positive weight reading ASCII 2DH minus sign if negative weight reading 1 to 3 character field dependent on scale capacity for pound weight in lb and oz mode Leading 0 s to be transmit ted as spaces 20 Hex 2 to 5 character field dependent on scale capacity including decimal point for ounce weight in lb and oz weig
26. platform 7 Attach the head to the column with the two bolts provided in the hardware kit If mounting the indicator head to the table wall stand simply attach the head with the two bolts provided in the hardware kit oo pea a E Figure 2 1 Mounting column to scale platform Installation 2 1 Leveling Select a location for the CW 80 that is reasonably level and free of unneces sary vibrations and air currents Adjust the four corner feet on the base until the bubble level on the inside frame of the unit reads level When level the base should not rock and all four feet should have solid contact with the support surface If using a column with your scale adjust the two column feet until they make solid contact with the support surface AN Making Power Connections Static electricity may cause loss of stored information if the Checkweigher chassis is not The power source used for AC models of the CW 80 must be properly grounded to an acceptable earth ground When the indicator head is re motely mounted the platform must be separately grounded from the chassis properly grounded ground screw located on the bottom of the platform Connect this screw with 18 g
27. stored 7 This is the ASCII Character 2C Hex Under Data This is an eight character field including sign and decimal point that represents the Under Value associated with this ID The field is in the same format as the displayed format for the Unit of measure associated with the ID record All 8 characters are sent and spaces are substituted for leading zeros A positive sign is transmitted as a space Over Data This is an eight character field including sign and decimal point that represents the Over Value associated with this ID The field is in the same format as the displayed format for the Unit of measure associated with the ID record All eight characters are sent and spaces are substituted for leading zeros A positive sign is transmitted as a space Tare Data This is an eight character field including sign and decimal point that represents the Tare Value associated with this ID The field is in the same format as the displayed format for the Unit of measure associated with the ID record All eight characters are sent and spaces are substituted for leading zeros A positive sign is transmitted as a space continued 6 22 CW 80 Checkweigher Installation Service Manual Command Format Key Table 6 4 continued READ AND WRITE COMMANDS represents a separate field of information represents literals which will appear as shown UNITS This is a single character field indicating t
28. that requires more than 5 V TTL levels optional plug in relays are available for relays sockets on the CW 80 power supply board These on board relays are necessarily small rated for a maximum 0 5 Amp 100 VDC Maximum power draw is 10 Watts If equipment is to be driven requiring higher current draw use the exter nally mounted Opto 22 4 channel relay rack PN 15973 with plug in relay modules These relays are rated up to 3 Amps and are available in a variety of AC or DC voltages in both normally open and normally closed models To operate equipment larger than 3 Amp draw larger isolation relays may be externally mounted and used in series with the on board relays Table 2 5 J2 digital output connections Figure 2 4 J2Pin Signal NO Relay NC Relay Digital output connector J2 on 1 Ground for Over Closes for Over Opens for Over power supply board 2 Over 3 Ground for Accept Closes for Accept Opens for Accept 4 Accept 5 Ground for Under Closes for Under Opens for Under 6 Under 7 Not used 8 Not used A Nomex insulative strip over AC voltage selection jumpers O O Battery SIH Aan Battery _ gt H UU J3 o o aa E Gnd _ gt H 1 i Over _ gt H 2 Yy Gnd t_ gt H Y pa ia i oo E rs Gnd _ gt HI 5 YU Optional Relay dl aca Under
29. the EDP Port 6 15 Command Format Key Table 6 3 continued ID REFERENCE COMMANDS represents a separate field of information represents literals which will appear as shown RT RECALL TARE REGISTER COMMAND This sequence requests the CW 80 to Recall the Over Under Tare Units values associated with the ID number located in the Location character field and make these new values the current operating Over Under Tare Units values The CW 80 acknowledges with a ASCII 2A Hex when successful XT XMIT TARE COMMAND This sequence requests the CW 80 to Transmit the tare value associated with the ID number located in the Location character field It does not make this Tare value the current tare value It is simply used for inspection The CW 80 responds with the following format Response Format STX T nnn POL DATA SP UNITS EOL Where STX is the 1 ASCII character 02 Hex for Start of Text ser is ASCII literal text 54 Hex nnn is the 3 ASCII character for the ID number ex nnn would be 025 for the 25th ID register 1 is ASCII literal text 3A Hex POL is the polarity or sign of the Tare value space 20 Hex for positive values 2D Hex for negative values DATA is a 7 character field with including decimal point for Tare value data Data is right justified with leading zeros padded left with spaces 20 H
30. 0 and 12 x12 Scales Capacities 6 60 Ib 1 10 11 Unplug AC power from indicator remove rear cover from indicator head 10 screws and disconnect load cell cable from indicator s terminal connection strip Lift off scale top cover Locate two upper load cell screws Use 7 16 wrench to unscrew and remove those two load cell screws Do not remove four spring loaded screws that attach load plate to spider assembly Lift off load plate spider assembly as a unit Remove spacer between load plate and load cell and set it aside Turn scale over and back off Overload Protection Screw one complete turn Completely unscrew and remove the Lift up Protection Screw Use 7 16 wrench to unscrew and remove two lower load cell screws The load cell and cable can now be removed from scale Do not lose shim beneath load cell Top Cover Load Plate Spider Load Cell Screw Top Sub Assembly Lift up Pr ion Overload gora E Protection Screw Load Cell Screw Thread cable of replacement load cell through rubber grommet Position load cell on shim and screw in two lower load cell screws Torque to 80 in lbs Replace Lift up Protection Screw by screwing it in until it lightly bottoms then back it off 1 4 turn Turn scale right side up Position spacer on load cell then place load plate spider unit into position Screw in two upper load cell screws Torque to 80 in Ibs Using an
31. 1 000 Ib Top Frame Load Plate Overload Stop Screws EZZ EY Overload Protection Screw Load Cell Screws 2 Lift off scale top cover Locate upper load cell screws Depending on model of scale there will be either two or four upper load cell screws Unscrew and remove those load cell screws Lift off top spider Remove spacer plate and set it aside 3 Loosen locking nuts on four Overload Stop Screws and turn each screw in one turn to provide ample clearance for new load cell when it is attached Turn scale over and back off Overload Protection Screw one complete turn to provide clearance 4 Unscrew and remove lower load cell screws Depending on model of scale there will be either two or four lower load cell screws Remove bottom shim beneath load cell and set it aside The load cell and cable can now be removed from scale 8 6 CW 80 Checkweigher Installation Service Manual 10 11 12 Thread cable of replacement load cell through rubber grommet Position bottom shim directly beneath load cell and screw in lower load cell screws Torque to 120 in lbs for 18 x 18 and 24 x 24 scales Turn scale right side up Position spacer plate on load cell then place the top spider into position Screw in four upper load cell screws Torque to 120 in lbs for 18
32. 1 Gasket front panel Masia 30295 Indicator box o EEE 22086 Screw 6 32NC x 1 4 Phillips pan head SS li 30625 Washer plain 8 nylon c 14862 Screw sealing 8 32NC x 3 8 Phillips pan head Bi ias 42640 Screw 1 4 20NC x 1 4 drilled fillister O ciao 44676 Washer bonded sealing 14 Osiris 15626 Cord grip assembly PG9 DT A 19538 Plug post screw PA 31294 Powersupply board 115VAC AA 31295 Powersupply board 230VAC T2 acacia 31701 Power supply board 115VAC w BBU charging circuit amp TTL estaras 32141 Power supply board 230VAC w BBU charging circuit amp TTL LT naci n 32142 Power supply board 115VAC w BBU charging circuit N O AA 32143 Power supply board 230VAC w BBU charging circuit N O TQ isinna 32144 Power supply board 115VAC w BBU charging circuit amp N C i e 32145 Power supply board 230VAC w BBU charging circuit amp N C aa 32149 Fuse 3 4 A 250 VAC 115 VAC models TO 32151 Fuse 1 2A 220 VAC 230 VAC models erratas 32415 Relay form A N O Sd recia 32416 Relay form B N C dde 32717 Transformer AA 14831 Screw MACH 4 40NC x 5 16 Phillips pan head locking tii 31597 Standoff male female 4 40NC x 3 4 1 4 Hex steel Us rio 31421 Board CPU Display Version 1 1 UG scaesevacvenes 14626 Nut Kep 8 32 hex external tooth lockwasher UD AAA 29788 Keypad piezo css 15388 Standoff male female 4 40NC x 3 8 1 4 Hex steel anotan ds 31596 Standoff male female 4 40NC x 7 16 1 4 Hex steel LO 15650 Cable tie
33. 9 Clamp nylon cable 24 49450 Load plate 30 and 60 lb models 24 35067 Load plate 100 lb model 25 ABLSO is Washer sealing 5 16 26 615138 Washer 8 SS 27 14862 Screw cable clamp 8 32NC x 3 8 OIML Models 13 30780 Load cell RL1380 30 13 30779 Load cell RL1380 50 24 19090 Load plate 15 kg model kg kg 30 kg model See parts drawings on next page 10 x 10 and 12 x 12 Base Assemblies TOP VIEW OF SCALE WITH COVER REMOVED AL AN De 100 lb 12 x 12 only Appendix 9 9 18 x 18 18 x 24 24 x 24 Base Assemblies Ref Part Description 19141 Foot 3 8 16 x 78 14653 Jam nut foot SS 49768 Frame bottom 18 x 18 49772 we Frame bottom 18 x 24 49776 Frame bottom 24 x 24 RL1260 models 19114 Frame bottom 24 x 24 RL1250 model ci n Label bench scale 15220 vinci Rivet sealing T5020 vs tous Screw cap 3 8 16NC x1 19094 Cover top 18 x 18 LIO isos Cover top 18 x 24 19096 Cover top 24 x 24 26407 Bumper square self adhesive 15154 Lock washer 5 16 10 49789
34. 9 6 Indicator and Column Assemblies sacacasa cana i 9 6 o A 9 8 12 x 12 Base Assembly APOO O U MAPP e No OO 9 8 18 x 18 18 x 24 24 x 24 Base Assemblies mscacoonna aca 9 10 AS CIC Mal O 9 12 Software Revision HIS tO rana 9 13 CW 80 Limited Wanda 9 14 1 Introduction In this section E About the Manual E Overview E Features o Learning the keypad and LED Displays A Warning Some procedures described in this manual require work inside the indicator enclosure These procedures are to be performed by qualified field service personnel only A Caution This unit uses double pole neutral fusing which could create an electric shock hazard Refer servicing to qualified field service personnel k Red Green Amber Note Application specialists at Rice Lake Weighing Systems are available to help with unique situations not covered in this manual About the Manual This manual is intended for use by qualified service technicians only It is organized to efficiently provide information for installing and setting up the CW 80 Checkweigher for operation The Introduction section gives an overview of the CW 80 and its standard and optional features explaining the keypad and LED functions Assembly and installation help are found in Section 2 Section 3 explains how to move through the menus and make selections while in the Configuration mode A set up menu page is followed
35. AL is displayed for 10 seconds while working When Z CAL done CAL SP is displayed for 1 second then display shifts to full scale capacity weight value CAL SP If calibrating with test weight equal to ad full scale capacity press ZERO key o SPAN is displayed If calibrating with test weight less than full scale capacity adjust number to your test weight value then press ZERO key SPAN is displayed Place test weight on platter and press ZERO key S CAL is displayed for 10 seconds while working When done CALIB is displayed Remove test weights With test weights removed push setup switch to return to Normal Weighing mode Display briefly shows INIT then shift to Normal Weighing Mode SPAN S CAL CALIB INIT Calibration 4 1 Operating Modes In this section Before You Begin Overview of Operating Modes TARGET Mode OU PTT Mode OU SET Mode PTT SET Mode Setting Over and Under Tolerance Values Setting Tare Values Using ID Storage Registers Zeroing Scale Test Mode Before You Begin The CW 80 has four separate operating modes to accommodate different applications The major difference between these four operating modes is the manner in which Under Accept Over tolerance values are established and the manner in which they can be changed once set TARGET Target Allows the installer to pre set all tol
36. B 485B A 485A Optional feature See Section 7 Advanced Features for more information Figure 2 3 Serial communication awe PEE res tu terminal FE ME 000 pa m zn Jel al o EA itp P i OHH SS foo LH gt L i p Installation 2 3 2 4 RS 485 must be purchased at time of order and factory installed No field installation of this option is avail able The following communications parameters Table 2 2 apply to both the RS 232 and 20mA Current Loop interfaces Table 2 2 Serial communications parameters e Continuous or Demand outputs e 150 300 600 1200 2400 4800 9600 or 19200 baud rate e 7 data bits with parity or 8 data bits no parity 1 start bit and 1 stop bit e None odd or even parity e Line termination lt CR LF gt or lt CR gt e End of line delay up to 2 0 seconds in 200 mS increments Using Optional RS 485 Network Communications You can configure multiple CW 80 Checkweigher to operate on a 2 wire RS 485 network serial communications line The expanded serial communication option allows
37. E a o Y 100 lb models 200 lb models Se ee See parts drawings on next page 9 10 CW 80 Checkweigher Installation Service Manual 18 x 18 18 x 24 and 24 x 24 Base Assemblies TOP VIEW OF SCALE WITH COVER REMOVED gt QS Qe aa A O O n i a 00 ah 5 a g 0 E Al Hy H OY GS 7 e Si TS 8 7 D a 5 AN SECTION A A Appendix 9 11 ASCII Character Chart Table 9 1 ASCII characters with decimal and HEX equivalents SO AA ASCII DECIMAL HEX ASCII DECIMAL HEX ASCII DECIMAL HEX OMONDOARWN O CORR mL PT N lt XKS lt CHMDOVOZE ACT7 LOAMMVIODFSE amp a y O u g e X f a L lt CCCTDST O00020 OOANOUARWNY O NV I Aw O TTN lt XxXS3 lt C 05000533 A TIT TaATOeOAaAnN TD 9 12 CW 80 Checkweigher Installation Service Manual Software Revision History Version 1 0 4 95 Original release Version 1 1 7 95 1 Numeric Display Blanking added 2 lt CR gt as well as lt CR lt gt LF gt allowed bidirectionally as commands Version 1 2 1 Keyp
38. Installation Service Manual The ZERO key is a special shortcut key that when pressed while an ID number is dis played will immediately make the current ID number ID 0 Whenever you establish a new ID register or write over an existing one STORED is displayed Whenever you read an ID register RECALL is dis played The contents of that ID number become the new operating parameters Over Under Tare Units for all subsequent weighments Pressing any of the keys UNITS PRINT TARE beneath the display digits while the ID number is displayed increments or decrements the digit above the key by 1 each time the key is pressed Example 1 To illustrate how you can select an ID register set and make its contents the current operating parameters see the following example Assume that the current ID number selected is 34 and you want to select ID number 50 The following key sequence allows you to select the register set assigned to ID 50 and make its contents the current operating parameters 1 Press ID key 2 Press OVER key to set directionupwards 3 Adjust the numerical digits with the UNITS PRINT or TARE keys beneath them as shown below until 50 is displayed If you go too far press the UNDER key to reverse direction 4 Wait 3 seconds without a keypress CW 80 displays ID 34 Display changes from ID 34 to ID 50 The CW 80 recalls the Over Under Tare Unit information
39. MANDS RT RECALL TARE REGISTER COMMAND XT XMIT TARE COMMAND XTG XMIT TARGET COMMAND XO XMIT OVER COMMAND SP is the ASCH character for space 20 Hex UNITS is the 1 2 character indication of the current unit of measure kg for kilograms g for grams Ib for pounds oz for ounces lb oz use special format EOL is either CR or CR LF depending on serial port setting for End of Line Termination CT CLEAR TARE COMMAND This sequence requests the CW 80 to Clear the Tare value associated with the ID specified in the Location character field The CW 80 acknowledges when successful with the Acknowledgement Character sequence EOL if enabled CTG CLEAR TARGET COMMAND This sequence requests the CW 80 to Clear the Target value associated with the ID specified in the Location character field The CW 80 acknowledges when successful with the Acknowledgement Character sequence EOL if enabled CO CLEAR OVER COMMAND This sequence requests the CW 80 to Clear the Over value associated with the ID specified in the Location character field The CW 80 acknowledges when successful with the Acknowledgement Character sequence EOL if enabled CU CLEAR UNDER COMMAND This sequence requests the CW 80 to Clear the Under value associated with the ID specified in the Location character field The CW 80 acknowledges when successful with the Acknow
40. O for ounces Z for pounds and ounces continued Using the EDP Port 6 5 Command Format Key Table 6 2 continued INQUIRY COMMANDS REQUESTING STATUS represents a separate field of information represents literals which will appear as shown M S is one character of status information M for Motion or scale is not in standstill S for in range stable reading O is one character of overload status information O for scale overloaded SP for scale in range O A U is the one character indication of OVER ACCEPT UNDER status for weight greater than or equal to the Over value O for weight above or equal to the Over value A for weight within the Accept range U for weight below or equal to the Under value EOL is either CR or CR LF depending on serial port setting for End of Line Termination RT RECALL TARE COMMAND This sequence requests the CW 80 to transmit the current ID register number The valid values are 0 299 There are 299 individual OVER UNDER TARE UNITS register sets that can be randomly accessed Response Format STX T nnn EOL Where STX is the one ASCII character 02 Hex for Start of Text rs is ASCII literal text for 54h 3Ah nnn is the three ASCII character for the ID number Example nnn would be 025 for the 25th ID register EOL is either CR or CR LF depending on serial port setting for End of Lin
41. POL DATA SP UNITS EOL Where STX is the one ASCII character 02 Hex for Start of Text 0 is ASCII literal text 4F Hex nnn is the thre ASCII character for the ID number Example nnn would be 025 for the 25th ID register 553 is ASCII literal text 3A Hex POL is the polarity or sign of the Over value space 20 Hex for positive values 2D Hex for negative values DATA is a seven character field with including decimal point for Over value data Data is right justified with leading zeros padded left with spaces 20 Hex continued Using the EDP Port 6 13 6 14 Table 6 2 continued INQUIRY COMMANDS REQUESTING STATUS SP UNITS EOL Command Format Key represents a separate field of information gt represents literals which will appear as shown Where STX rU 2 nnn s POL DATA SP UNITS EOL Response Format STX U 001 POL DATA UNITS EOL STX U 002 POL DATA UNITS EOL is the ASCII character for space 20 Hex is the one two character indication of the current unit of measure kg for kilograms g for grams Ib for pounds oz for ounces Ib oz use special format See XTG command for full details is either CR or CR LF depending on serial port setting for End of Line Termination XUA XMIT ALL UNDERS COMMAND This sequence r
42. STEP 4 Allow the CW 80 to store the new 9 75 value The CW 80 does aovvso ss this automatically if no keys are pressed for 3 seconds UNDER gt A over N ote NET Net ZERO gt 0 If any key is pressed other than f ISES ISP MOTION those previously mentioned the CW 80 aborts the display of the Under value and retains the currently displayed value as the NEG new Under value The CW 80 aie UNITS display goes blank for 1 2 second and returns to the NERO ZERO UNITS PRINT TARE previous weight display mode Alternate Method for Changing Over or Under Values An alternate method for changing values is useful when the amount to be changed is small This method called Auto Rolling puts the display into a constantly increasing or decreasing mode which you can easily stop when your new desired value is reached The display rolls at a speed of 2 display divisions per second for the first three seconds If no stop has been signalled within that time the rolling speed increases to 10 display divisions per second If your desired value is exceeded the direction can be reversed to roll the displayed value back to your target To use Auto Rolling 1 Press either OVER or UNDER to display the Ov 1 or UN 1 value 2 Press OVER or UNDER to establish the direction of movement 3 Press that same button again to begin Auto Rolling To reverse direction press the opposite button as pressed in step 2 Press that
43. SURVIVOR CW80 Checkweigher Installation Manual RICE LAKE WEIGHING Commitment Beyond Meas 32291 Contents we DINERO UG GON rra 1 1 PTV OE ME Manual irradia 1 1 OVER a alias 1 1 FOSLUTES vivaldi dale dlls 1 2 Learning the Keypad and LED Displays susana 1 3 Keypad Functions and Related Displays voii ainda 1 4 Front Panel Annunciator Lights vaina 1 6 e STO iia 2 1 Unpacking and ASSEMDIY asian laa 2 1 LSV rr A NA AREE Aa 2 2 Makina Power Connections aeon a a iba tie 2 2 Load Cell WINN iia 2 2 Wiring Standard Serial Communications POTS msn dido 2 3 Using Optional RS 485 Network Communications iia aaa racista 2 4 Wiring the Optional Digital OUtPUTS aniones 2 6 Optional Battery Backub Opera Nissan 2 7 A untied Daves a a a a seas a teostanatems 2 8 PowerUp Sequeira ii 2 9 COMMING UNAM ON pascal ti 3 1 A A sien nls opatn esate ck seb didi E eet deren al aiid 3 1 Moving Around in th Men s creissia iins oh eawarbinesandaandaa AT 3 2 SETUP Menu AIF Sa ta atta crea ceeds ala de ad Saal alsa cal sak 3 4 Menu Descriptions cacao iousin Betta edezeailacrseaeaasansie sav winneate cea Ta ER AEA ik 3 6 gt CAUTION iia 4 1 A PP reo o A E 4 1 Calibration PO CS US adi ida 4 1 lt Operating MOS iran aos 5 1 ORNS You B lunas 5 1 Overview f Operating Modes serna add 5 2 TARGET MOTE pintas dd an 5 3 OU PTT MORE nuria 5 3 Technical training seminars are available through Rice Lake Weighing Systems Course descriptions and dates
44. Screw cap 5 16 18NC x 1 1 4 SS RL1260 models 10 26670 Screw cap 5 16 18NC x 1 SS RL1250 model 11 49786 Plate washer SS RL1260 models 11 19103 uius Plate washer SS 1000 lb 24 x 24 model 12 15410 Spirit level bubble plastic 14 49767 Frame top 18 x 18 14 49771 Frame top 18 x 24 14 49775 Frame top 24 x 24 RL1260 models 14 19114 Frame top 24 x 24 RL1250 model 15 15418 Grommet rubber 3 16 ID 16 15047 Screw set 1 2 20NF x 1 2 17 15409 Clamp nylon cable 18 15138 ic Washer 8 SS 19 15132 Lock washer 8 Type A 20 26670 Screw cap 5 16 18NC x 1 SS RL1260 models 20 26669 Screw cap 5 16 18NC x 3 4 SS RL1250 model 21 16141 Cable tie 22 14862 Screw 8 32NC x 3 8 18 x 18 models 1000 lb 24 x 24 model 22 14857 Screw 8 32NC x 1 4 18 x 24 and 24 x 24 RL1260 models 23 49787 Shim plate RL1260 models 23 22264 Shim plate RL1250 model 24 41022 Load cell RL1260 N5 100 kg 24 41023 Load cell RL1260 N5 200 kg 24 41025 Load cell RL1260 N5 300 kg 300 Ib models 24 41026 Load cell RL1260 N5 500 kg 500 Ib models 24 41027 Load cell RL1260 N5 635 kg 1000 lb 18 models 24 32858 Load cell RL1250 N5 1000 kg 1000 Ib 24 x 24 model 25 3D 199 nicas Screw cap 1 4 20NC x 2 SS 26 15149 Washer 1 4 Type A 27 14634 Lock nut 1 4 20NC 00 YY YODO UA YY wuUNnN A
45. Serial Communication Terminal Configuration Setup Push Switch Ribbon Cable to Power Supply Board Ribbon Cable to Display Board DAunkwWNne 2 8 CW 80 Checkweigher Installation Service Manual Power Up Sequence When the CW 80 is powered up the following displays appear in sequence 1 DISPLAY TEST All LED s and number segments light 2 SOFTWARE VERSION Software revision number is displayed 3 INITIALIZATION Init is displayed 4 NOTE 0 0 Scale zeros weight allowable in Auto Zero Range setting if calibrated and After powering up the indicator in weighing mode allow the unit to warm up at least 10 minutes before using in a legal for trade application or NO CAL No calibration message appears if scale is not calibrated or SETUP Setup message appears if scale is in Setup mode Installation 2 9 3 Configuration In this section H Before You Begin E Moving Around the Menus E Setup Menu Chart E Setup Menu Descriptions E Serial Menu Chart E Serial Menu Descriptions E Calibration Menu Chart o Calibration Menu Descriptions Figure 3 1 Set up switch behind rear panel A Warning Established digital outputs may still be activated when changing parameters or calibrating De energize any external equipment con trolled by the indicator s digital outputs while such changes are being made Before You Begin The CW 80 C
46. T band When in TARGET or PTT SET mode these Ov 1 and Un values defining the ACCEPT band are initially acquired from weights on the platter but can then be altered by the operator using keypad buttons Setting or altering the Over or Under value involves four main steps The OVER and UNDER keys must not have been disabled by the installer The following explains how to set or alter the Over value The Under value functions in the same manner by using the UNDER key 1 Press the OVER key to display the current Over value 2 Set the direction you wish to modify the value by pressing the OVER key to make the value larger or the UNDER key to make it smaller 3 Digitally alter the displayed value using the ZERO UNITS PRINT and TARE keys Remember that these keys will alter the display only in the direction you established in Step 2 If you accidentally go beyond your new desired value you must return to Step 2 to reverse the direction Once the direction has been reversed you may then alter the value in the opposite direction toward your new desired value 4 Allow the CW 80 store away the new value The CW 80 automatically stores the displayed value if no keys are pressed for 3 seconds The following example illustrates changing the Under Un 1 value from 9 80 lbs to 9 75 lbs STEP 1 Press the UNDER key The Under value Un 1 displays and both Under LED s flash indicating you are now in an Under Display Set mode
47. accurate caliper check compressed spring length on four overload springs shown in Figure 8 4 If necessary adjust length to specifications in Table 8 3 Replace top cover and re level scale Connect load cell cable to correct pins on indicator terminal strip See Figure 2 2 in Installation section Tighten cord grip where cable enters indicator head Replace the back plate by tightening the 10 screws in the alternating pattern shown at left Torque screws to a final value of 15 in Ibs Maintenance and Troubleshooting 8 5 12 Recalibrate scale according to Calibration section of this manual 13 Adjust Overload Protection Screw on bottom of scale by loading scale to 125 capacity Place this weight on top cover centered on platform With appropriate size hex wrench screw in Overload Protection Screw until it touches load cell then back it off 1 6 turn Recheck calibration Table 8 3 SCALE MODEL SPRING LENGTH H Figure 8 4 Model 10x 10 6LB 1 00 Adusting spring height on 10 n Model 10 x 10 15 LB 1 04 Model 10 x 10 30 LB 1 43 Model 12 x 12 30 LB 1 43 Model 12 x 12 60 LB 293 For 12 x12 18 x18 and 24 x24 Scales Capacities 100 1000 Ib 1 Unplug AC power from indicator remove rear cover from indicator head 10 screws and disconnect load cell cable from indicator s terminal strip Figure 8 5 12 18 and 24 Load Cell Screws Checkweigher base in 100
48. ad tactile sensitivity decreased Version 1 3 8 96 1 Legal For Trade LFT print format added Appendix 9 13 CW 80 Limited Warranty 9 14 Rice Lake Weighing Systems RLWS warrants that all RLWS equipment and systems properly installed by a Distributor or Original Equipment Manufacturer OEM will operate per written specifications as confirmed by the Distributor OEM and accepted by RLWS All systems and components are warranted against defects in materials and workmanship for two 2 years RLWS warrants that the equipment sold hereunder will conform to the current written specifications authorized by RLWS RLWS warrants the equipment against faulty workmanship and defective materials If any equipment fails to conform to these warranties RLWS will at its option repair or replace such goods returned within the warranty period subject to the following conditions e Upon discovery by Buyer of such non conformity RLWS will be given prompt written notice with a detailed explanation of the alleged deficiencies e Individual electronic components returned to RLWS for warranty purposes must be packaged to prevent electrostatic discharge ESD damage in shipment Packaging requirements are listed in a publication Protecting Your Components From Static Damage in Shipment available from RLWS Equipment Return Department e Examination of such equipment by RLWS confirms that the non conformity actually exists and was not caused by accid
49. ader that is a preamble to all bidirectional serial commands continued Using the EDP Port 6 21 Table 6 4 Continued READ AND WRITE COMMANDS Addr This is a two character ASCII sequence 00 99 for the address of the Checkweigher that reads and reacts to the next command ep This is a two character sequence for the command that instructs the checkweigher to store the associated Tare Tolerance data in the designated ID IDA This is a three character field that specifies the record number or location of the ID where the OVER UNDER TARE UNITS data is to be stored CR This is a single ASCII character 1D Hex Carriage Return used to signify the end of a complete serial command The Checkweigher s response to the I command is dependent on several things but if the ID Register set addressed with the I command then the Checkweigher will respond with the following format Response Format Command Format Key STX ID Under Data Over Data Tare represents a separate field Data Unit EOL of information Where ans STX This is a single ASCII character 02 Hex Start of Text Tep resents literals which that is a preamble to all bidirectional serial command will appear as shown responses IDA This is a three character field that specifies the record P number or location of the ID where the OVER UNDER TARE UNITS data is to be
50. age Return used to signify the end of a complete serial command Note The I sequence requests that the checkweigher STORE the attached DATA to the desired ID record associated with the ID specified in the IDA field An ID must always be specified Note The entry of Tare Tolerance parameters into IDs other than 000 do not immediately change the Checkweigher s operational parmeters A subsequent RT command must be sent in order to make the newly entered parameters the current checkweigher parameters The entry of Tare Tolerance parameters into ID 000 immediately changes the Checkweigher s current operational parmeters but ID 000 is not overwritten It still contains the Default settings A subsequent RT command to ID 000 would reset the Tare Tolerance Units settings back to the default parameters The Checkweigher acknowledges with a EOL ASCII 2A Hex when successful and a EOL ASCII 3F Hex if unsuccesful Example To enter the the following Tare Tolerance values Tare value 1 3 kg Over value 20 05 kg Under value of 20 00 kg into the register set of ID 45 of a Checkweigher with an Address of 36 which has been previously configured to have a 30kg x 01 kg capacity send the following SOH 36 1045 0020 00 0020 05 0001 30 K CR TO READ THE CONTENTS OF AN ID REGISTER SET Response Format SOH Addr P ID CR Where SOH This is a single ASCII character 01 Hex Start of He
51. alues is a seven character field with including decimal point for Over value data Data is right justified with leading zeros padded left with spaces 20 HEX is the ASCH character for space 20 Hex is the one two character indication of the current unit of measure kg for kilograms g for grams lb for pounds oz for ounces lb oz use special format See XTG command for full details is either CR or CR LF depending on serial port setting for End of Line Termination XU XMIT UNDER COMMAND This sequence requests the CW 80 to transmit the current Under value associated with the current ID number STX U nnn POL DATA SP UNITS EOL is the one ASCII character 02 Hex for Start of Text is ASCII literal text 55 Hex is the three ASCII character for the ID number Example nnn would be 025 for the 25th ID register continued CW 80 Checkweigher Installation Service Manual Command Format Key Table 6 2 continued INQUIRY COMMANDS REQUESTING STATUS represents a separate field of information gt represents literals which will appear as shown 3 POL DATA UNITS EOL is ASCII literal text 3A Hex is the polarity or sign of the Under value space 20 Hex for positive values 2D Hex for negative values is a seven character field with including decimal point for Under value data Data
52. arameters are described in Table 6 1 Table 6 1 SIMPLE COMMANDS NO RESPONSE ACKNOWLEDGE ONLY Where SOH Command Format SOH ADDR HIGH ADDR LOW COMMAND CR is a single ASCII character 01 Hex Start of Header that is a preamble to all bidirectional serial commands ADDR HIGH isa single ASCII character for the most significant digit of the two digit Checkweigher Address ADDR LOW isa single ASCII character for the least significant digit of the two digit Checkweigher Address COMMAND is a command represented by one or more characters that instructs the CW 80 to perform a certain function The list of available commands is detailed below CR is a single ASCII character 1D Hex Carriage Return used to signify the end of a complete serial command Z ZERO COMMAND B BUFFER ENABLE COMMAND qp BUFFER DISABLE COMMAND D DATA BUFFER XMIT NO CLEAR COMMAND sey DATA BUFFER XMIT AND CLEAR COMMAND H CLEAR BUFFER COMMAND CT CLEAR TARE COMMAND CTG CLEAR TARGET COMMAND Co CLEAR OVER COMMAND CU CLEAR UNDER COMMAND ez ZERO COMMAND Requests that the CW 80 perform a Push Button Zero function if able It must meet the criteria for Zero Band and Motion status to work This is active when in the Gross or Net Weight display mode The CW 80 acknowledges upon receipt of command with the Acknowledgment Character sequence
53. ate that the container weight is almost in the acceptable weight band but still under slightly under Illuminating both red segments indicates middle ground or moderately under Green Segment 1 of these Indicates an Accept value When lit the green segment light indicates that the container weight is within the actual acceptable band of weight limits Amber Segments 2 of these Indicates an overweight value When lit the amber segment s indicate that the container weight is more than the highest acceptable weight value There are three levels of Over weight readings The leftmost amber segment is used to indicate that the container weight is almost in the acceptable weight band but still over slightly over the rightmost amber segment is used to indicate that the container weight is far above the acceptable weight band greatly over Mlluminating both amber segments indicates a middle ground or moderately over See Section 7 Advanced Features for more information about the Bar Graph feature Introduction 1 7 2 Installation In this section E Unpacking and Assembly Leveling Making Power Connections Load Cell Wiring Wiring Standard Serial Port Optional RS 485 Network Communications Wiring Optional Digital Outputs E Optional Backup Battery Operation E Board Diagrams E Power Up Sequence A Caution Do not pick up the scale by the spider assembly which
54. auge wire to the same earth ground system as the AC power source Failure to ground the base may cause static buildup and incorrect weights Note Because the CW 80 has no power on off switch the supply cord serves as the power disconnect The power outlet used must be located close enough to the CW 80 so the operator can easily unplug the unit from power Load Cell Wiring On all units the load cell has been wired to the indicator s CPU load cell terminal at the factory On units supplied with a column extra load cell cable is coiled inside the indicator head If a base and indicator head for remote mounting have been ordered coil the extra load cell cable inside the head after installation is complete Figure 2 2 E 6 o You can access all Load Cell ol O terminal blocks on the Note Terminal gpi 000 bob s CPU Board and Power i E a a Board b ving th Stainless steel load cells in scales 0 mS Oo 4 2 o den rie PA with capacities from 6 60 lbs use D fio E a ae ee A bs af E Co 4 ee ee e i i o by 10 screws Black EXC p A 98 Red SIG o O White SIG o o ag nN Yellow SHLD Aluminum load cells in scales with capacities from 100 1000 Ib use the following wiring code Green EXC Black EXC Red SIG White SIG Blue SENSE Brown SENSE bare SHLD I H A B C wien Remove b
55. ay When the Configuration menu item ID STR is set to either ON or R ONLY the multiple ID storage feature is activated Any of 299 available ID registers can be selected Each ID number must have four distinct categories of information e Over tolerance value Ov 1 e Under tolerance value Un 1 e Tare value e Unit of measure For any given ID the unit of measure field determines the units for all of the other fields Over Under and Tare Examples of the structure of the ID storage table are shown in Table 5 1 ID register sets can be entered using either the keypad or the serial port Table 5 1 ID Storage Table Structure ID Over Tol Value Under Tol Value Tare Value Unit of Measure 1 12 65 12 50 0 50 Ib 2 15 65 15 00 0 75 Ib 3 10 10 10 00 0 25 kg 4 XX XX yy yy 0 zz OZ Keyed ID Selection In order to select and work with a set of Over Under Tare Units registers you can key in the ID number associated with the desired information stored in the table To accomplish this you press the ID Key followed by any of several navigational keys until the desired ID number appears on the display The special ID selection navigational keys that you may use are shown in Table 5 2 Table 5 2 ID Select Navigational Keys Key Function Keypad Position Set Direction Upwards OVER Set Direction Downwards UNDER Adjust ID by 1 TARE Adjust ID by 10 PRINT Adjust ID by 100 UNITS Set ID to 0 ZERO CW 80 Checkweigher
56. button again to begin Auto Rolling in the opposite direc tion 4 To stop the display rolling press either the OVER or UNDER button Operating Modes 5 7 5 8 If the setup menu item TARE is set to the PTT parameter pressing the TARE key will not display the tare value but will acquire a new Tare value from the current weight on the scale platter See the TARE descrip tion in Section 3 Configuration for more information Press TARE to display the tare value All Over and Under lights come on Press OVER or UNDER to set the direction of adjustment Setting Tare Values The CW 80 allows two methods for establishing tares The most common method involves placing the actual tare weight on the scale then pressing TARE to allow the scale to acquire that value If this is the method of choice the TARE menu must be set to PTT Push To Tare in Configura tion mode The second method allows tares to be entered digitally by using keyboard buttons With this method the tare value is entered using a keypad proce dure similar to the one for setting Over or Under values If this is the method of choice the TARE menu must be set to SET in Configuration mode To Display the Current Tare Value If TARE is set to the SET parameter then pressing the TARE key will instruct the CW 80 to display the current Tare value and to flash all Over and Under LEDs indicating the Tare Display Set mode The Units LED corresponding to the cur
57. by detailed descriptions of each set up parameter Calibration is covered in Section 4 Section 5 details the various operational features The CW 80 offers a choice of four different operating modes including an all new target mode Read this section and consult with the end user before configuring the operating mode of the CW 80 Sections 6 and 7 cover advanced features like remote operation from an external keyboard and specialized print formats Maintenance troubleshooting and replacement parts information appears in sections 8 and 9 When installation is complete this manual should be retained by the installing scale technician A separate Supervisor s Operating Guide and CW 80 Operator s Card are provided with the unit They are designed to be left on location to assist the scale operator Overview The CW 80 Checkweigher is a high speed digital weight indicator and scale base programmed to compare weight readings with predetermined tolerance limits defining an ACCEPT band If the current weight reading is within the acceptable range the green ACCEPT LED lights If the current weight reading is less than the acceptable range one or more of the red UNDER arrowheads light If the current weight reading is greater than the acceptable range one or more of the amber OVER arrowheads light In addition to illuminating the appropriate LED s the CW 80 can signal the current Over Under Accept status a
58. d by pressing the UNDER key to display the Un 1 weight Pre setting then digitally altering the value Un2 OVER Un 1 2 Un1 Ov1 Ov 1 2 Ov2 with keypad buttons The Ov 1 weight amr m7 AM 3m 1mm amr Lit 00 EL EL ILL ELIT setting can be altered in a similar manner E A A E oe ee with the OVER key These altered Un 1 and Ov I values remain active until either the TARGET key is pressed again or the CW 80 is powered down Installer Configured Graduation dd Values In OVER UNDER PUSH TO TOLERANCE QU PTT Mode mode the operator sets the ACCEPT band by placing an unacceptably low weight on the scale and pressing UNDER to set Checkweigher Acquired Weight Values by Pressing OVER or UNDER keys Un 1 He then places an unacceptably high weight on the scale and presses OVER to set Ov 1 Any weights between those limits will fall into the ACCEPT band All other tolerance values Un 1 2 Un 2 Ov 1 2 Ov 2 controlling the Under Accept Over LED display lights are pre set by the installer at SETUP time x _ 2 Un2 OX Un 1 2 Ov 1 2 Ov2 mr 10 mm orl LLL thi LI LL LIL Installer Configured Graduation dd Values Operating Modes 5 3 In OVER UNDER SET mode the lower OU SET Mode Un 1 and upper Ov 1 limits of the ACCEPT band are entered digitally through the keyboard by the operator The operator presses the UNDER key then enters the Un I value He then pre
59. data Data is right justified with leading zeros padded left with spaces 20 Hex SP is the ASCII character for space 20 Hex UNITS is the 1 2 character indication of the current unit of measure kg for kilograms g for grams Ib for pounds OZ for ounces Ib oz use special format EOL is either CR or CR LF depending on serial port setting for End of Line Termination XU XMIT UNDER COMMAND This sequence requests the CW 80 to Transmit the Under value associated with the ID number located in the Location character field It does not make this Under value the current Under value It is This sequence requests the CW 80 to Transmit the Under value associated with the ID number simply used for inspection The CW 80 responds with the following format Response Format STX U nmn POL DATA J SP LUNITS EOL is the 1 ASCII character 02 Hex for Start of Text is ASCII literal text 55 Hex is 3 ASCII character for the ID number ex nnn would be 025 for the 25th ID register is ASCII literal text 3A Hex is the polarity or sign of the Under value space 20 Hex for positive values 2D Hex for negative values is a 7 character field with including decimal point for Under value data Data is right justified with leading zeros padded left with spaces 20 Hex continued 6 18 CW 80 Checkweigher Installation Service Manual Table 6 3 continued ID REFERENCE COM
60. displayed Place 3 4 CW 80 Checkweigher Installation Service Manual Scale s capacity is the alternate resolution load depending on factor for the i se decimal point gt Shipping selected unit destination Where needed E i JJUPGREE FILEEST do ISPLAYY SLEEP id SEF ERATE OPEFAE 040 SV iy ony gnv mAs A OFF 4 2 OFF SEEN 4 LEvEL SELAS Ranes Eee 8 MEAR SEN OFFV 16 J 1 dd CEAD 32 2 dd WE 64 5 ddV A 128 10 dd ca 20 dd MA 50 dd E A Aa 32 EA BEE DU PEE Ou SEt PEE SEE same setting choices as Ptt SEt Sue Hou 2H une Lune Cas Ces Cds Cs uni H uni 2H une H out H wi eH oue D CD CD EN ED ES Configuration 3 5 Menu Descriptions Tables 3 1 through 3 3 provide complete information about each of the main menu options Each table describes all parameters associated with that particular menu option the choices available for each parameter and a general description of each parameter and related choices The system defaults are indicated by a check mark V Table 3 1 SETUP menu Menu Item Parameter Description UNITS DEFALT Units Sets up the CW 80 start up or default unit of measure
61. e DEFALT unit only Press the ZERO key to enter the desired number The graduations are selectable from 1 to 50 000 using the navigational keys The default is 3000 graduations See page 3 3 for the procedure for altering and entering numeric values into the CW 80 Count By Resolution Selects the count by resolution display divisions and works in conjunction with the DEC PT parameter Note that choosing a selection with dummy zeros 10 20 50 100 200 or 500 will result in a condition where the decimal point selection in the DEC PT menu item will not appear Instead a nO dP message will be displayed Decimal Point Position Allows you to place the decimal point position The CW 80 combines the settings of GRADS and CNT BY to display the default scale capacity with no decimal point Use the Left Arrow or Right Arrow keys to place the decimal point where needed This allows you to immediately see the current scale capacity without leaving the Setup mode to find out how the CW 80 was configured Stable Sets the level at which scale motion is detected by comparing the present display update with the previous update If motion is detected the MOTION LED is turned ON A setting of OFF indicates that the motion band is infinitely wide Therefore the MOTION LED will not turn ON All serial port output indicates Not in Motion status when transmitted In addition print modes zeroing and taring that require a
62. e ID where the OVER UNDER TARE UNITS data is to be stored Under Data This is a 7 character field including a decimal point that represents the Under Value to be associated with this ID The field must be in the same format as the displayed format for the Unit of measure associated with the ID record All 7 characters must be sent and spaces may be substituted for leading zeros Over Data This is a 7 character field including a decimal point that represents the Over Value to be associated with this ID The field must be in the same format as the displayed format for the Unit of measure associated with the ID record All 7 characters must be sent and spaces may be substituted for leading zeros Tare Data This is a 7 character field including decimal point that represents the Tare Value to be associated with this ID The field must be in the same format as the displayed format for the Unit of measure associated with the ID record All 7 characters must be sent and spaces may be substituted for leading zeros continued 6 20 CW 80 Checkweigher Installation Service Manual Table 6 4 continued READ AND WRITE COMMANDS UNITS This is a single character field indicating the units of mea sure to be associated with all OVER UNDER TARE UNITS values for the given ID number for pounds for kilograms for grams for ounces N OQ A for pounds and ounces CR This is a single ASCII character 1D Hex Carri
63. e Termination XTG XMIT TARGET COMMAND This sequence requests the CW 80 to transmit the current target value associ ated with the current ID number Response Format STX G nnn POL DATA SP UNITS EOL or STX G mn POL LBDATA SP Ib SPI IOZDATA oz EOL Where STX is the one ASCII character 02 Hex for Start of Text G is ASCII literal text 47 Hex continued 6 6 CW 80 Checkweigher Installation Service Manual Command Format Key represents a separate field of information gt represents literals which will appear as shown Table 6 2 continued INQUIRY COMMANDS REQUESTING STATUS nnn is the three ASCII character for the ID number Example nnn would be 025 for the 25th ID register gt is ASCII literal text 3A Hex POL is the polarity or sign of the Target value space 20 Hex for positive values 2D Hex for negative values DATA is a seven character field with including decimal point for Target value data Data is right justified with leading zeros padded left with spaces 20 Hex LBDATA is a one three character field dependent on scale capacity with including decimal point for Target value data when used in lb and oz mode Data is right justified with leading zeros padded left with spaces 20 Hex OZDATA is a two five character field dependent on scale capacity with includ
64. eft with spaces 20 Hex SP is the ASCH character for space 20 Hex UNITS is the 1 2 character indication of the current unit of measure kg for kilograms g for grams Ib for pounds oz for ounces lb oz use special format EOL is either CR or CR LF depending on serial port setting for End of Line Termination XO XMIT OVER COMMAND This sequence requests the CW 80 to Transmit the Over value associated with the ID number located in the Location character field It does not make this Over value the current Over value It is simply used for inspection The CW 80 responds with the following format Response Format STX 0 nnn POL DATA SP UNITS EOL continued Using the EDP Port 6 17 Command Format Key Table 6 3 continued represents a separate field of information gt represents literals which will appear as shown Where STX rU nnn 2 POL DATA ID REFERENCE COMMANDS Where STX is the 1 ASCII character 02 Hex for Start of Text 0 is ASCII literal text 4F Hex nnn is the 3 ASCII character for the ID number ex nnn would be 025 for the 25th ID register 5 is ASCII literal text 3A Hex POL is the polarity or sign of the Over value space 20 Hex for positive values 2D Hex for negative values DATA is a 7 character field with including decimal point for Over value
65. ent misuse neglect alteration improper installation improper repair or improper testing RLWS shall be the sole judge of all alleged non conformities e Such equipment has not been modified altered or changed by any person other than RLWS or its duly authorized repair agents e RLWS will have a reasonable time to repair or replace the defective equipment Buyer is responsible for shipping charges both ways Innoevent will RLWS be responsible for travel time or on location repairs including assembly or disassembly of equipment nor will RLWS be liable for the cost of any repairs made by others THESE WARRANTIES EXCLUDE ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE NEITHER RLWS NOR DISTRIBUTOR WILL IN ANY EVENT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RLWS AND BUYER AGREE THAT RLWS S SOLE AND EXCLUSIVE LIABILITY HEREUNDER IS LIMITED TO REPAIR OR REPLACEMENT OF SUCH GOODS IN ACCEPTING THIS WARRANTY THE BUYER WAIVES ANY AND ALL OTHER CLAIMS TO WARRANTY SHOULD THE SELLER BE OTHER THAN RLWS THE BUYER AGREES TO LOOK ONLY TO THE SELLER FOR WARRANTY CLAIMS No terms conditions understanding or agreements purporting to modify the terms of this warranty shall have any legal effect unless made in writing and signed by a corporate officer of RLWS and the Buyer 2003 Rice Lake Weighing Systems Inc Rice Lake WI USA All Righ
66. enu item TEST is used only for factory diagnostic purposes UP Arrow Key J Moves up to previous level DOWN Arrow Key l Moves downto next level To set up the CW 80 you navigate through the configuration menus with four front panel keys that become directional keys while in the Configura tion mode Navigational keys are shown at left LEFT Arrow Key Moves Tefton saine level A fifth key ZERO is used to lock in numerical entries Once the menu item to be modified is selected you use the UNDER key to drop down to the next level to view all the possible parameter settings for that menu item Use the TARGET or ID keys to scroll through all possible selections for that menu level RIGHT Arrow Key Moves right on same level ZERO Key Locks in numeric values For example if you select Z BAND Zero Band at this level use the UNDER key to move down one level to view all the possible parameters If you wish to select 2 PC 2 as the parameter use the TARGET or ID keys to scroll to 2 PC When 2 PC is displayed use the OVER key to lock in 2 PC as the Zero Band setting See Figure 3 2 below Figure 3 2 ee 7 A Example Setting Zero Band to 2 a TEST gt SETUP gt gt SERIAL lt gt CALIB STABLE Z BAND lt gt Z TRAC 100 PC Always scroll back up to the first level SETUP menu when you have made changes in
67. equence requests the CW 80 to clear the current Tare value The CW 80 acknowledges when successful with the Acknowledgement Character sequence EOL if enabled Note that the contents of the Tare register of the current ID are unaffected by this command CLEAR TARGET COMMAND This sequence requests the CW 80 to clear the current Target value The CW 80 acknowledges when successful with the Acknowledgement Character sequence EOL if enabled Note that the contents of the Target value of the current ID are unaffected by this command CLEAR OVER COMMAND This sequence requests the CW 80 to clear the current Over value The CW 80 acknowledges when successful with the Acknowledgement Character sequence EOL if enabled Note that the contents of the Over value of the current ID are unaffected by this command CLEAR UNDER COMMAND This sequence requests the CW 80 to clear the current Under value The CW 80 acknowledges when successful with the Acknowledgement Character sequence EOL if enabled Note that the contents of the Under value of the current ID are unaffected by this command CW 80 Checkweigher Installation Service Manual Command Format Key represents a separate field of information represents literals which will appear as shown Inquiry Commands Requesting Status Data Inquiry Commands instruct the selected CW 80 to transmit weight data or the
68. equests the CW 80 to transmit a list of all stored Under values by ID number Only valid Under values will be transmitted STX U nmn POL DATA SP UNITS EOL is the one ASCII character 02 Hex for Start of Text is ASCII literal text 55 Hex is the three ASCII character for the ID number Example nnn would be 025 for the 25th ID register is ASCII literal text 3A Hex is the polarity or sign of the Under value space 20 Hex for positive values 2D Hex for negative values is a seven character field with including decimal point for Under value data Data is right justified with leading zeros padded left with spaces 20 Hex is the ASCII character for space 20 Hex is the one two character indication of the current unit of measure kg for kilograms g for grams Ib for pounds oz for ounces Ib oz use special format See XTG command for full details is either CR or CR LF depending on serial port setting for End of Line Termination CW 80 Checkweigher Installation Service Manual Command Format Key represents a separate field of information represents literals which will appear as shown ID Reference Commands ID Reference Commands instruct the CW 80 to transmit various values associated with a particular ID number specified in the location field Upon receipt of this type of EDP command the CW 80 will respond with the requested infor
69. erance values while in the Configuration mode In Normal Weighing mode the operator then simply places a sample weight on the scale and presses the TARGET key to acquire the target weight The lower and upper limits of the Accept band automatically shift in relation to the target weight based on previous settings of all tolerance values entered at SETUP OU PTT Over Under Push To Tolerance Prohibits the operator from digitally entering values with the keypad Requires the operator to place actual weights on the scale then press keypad buttons that instruct the CW 80 to acquire lower and upper Accept band tolerance values from the actual weights on the scale OU SET Over Under Set Allows the operator to digitally set the Accept band tolerance values using keypad buttons while in Normal Weighing mode PTT SET Push To Tolerance and Set Combination mode that allows the operator to have the CW 80 acquire Accept band toler ances from actual weights on the scale but then gives the operator an opportunity to digitally modify those values directly afterward If your application requires using one of the four modes which allows the operator to modify the Accept band tolerances and you don t want the operator to have this power the installer can disable the OVER and UNDER keys in the Configuration mode As these are the keys used to alter toler ances disabling them has the effect of shutting the operator out from altering s
70. erwrite TARE OFF V Tare Function Allows or disallows keyed or push button tares Tares can be entered SET either by keypad entry SET or by push button acquisition from weight on the PTT platter PTT e OFF disables the Tare function No entry of Tare values is permitted e SET enables Tare value entry with front keypad Up and Down arrow keys incrementing or decrementing the number until desired Tare value is displayed After a 3 second timeout with no key presses the Tare value on the display is stored e PTT enables Tare value acquisition by pressing front panel TARE key Weight on platter at time of TARE key press is put into the current Tare register OPERAT TARGETV Operate Allows choosing one of four different operating modes that determines how OU PTT the CW 80 will establish the ACCEPT band in Normal Operating mode The ACCEPT OPEFAE ouser band falls between the settings for the first Under light UN 1 and the first Over light PTT SET OV 1 The four modes below are explained in more detail on the following page e TARGET Target mode installer sets OV 1 and UN 1 band width in Set Up mode e OU PTT Over Under Push to Tolerance mode operators keypresses command the CW 80 to acquire UN 1 and OV 1 from actual weights on platter e OU SET Over Under Set mode operator keys in digital UN 1 and OV 1 values e PTT SET Push to Tolerance and Over Under Set mode combination of PTT and SET Values acquired from platter ca
71. ettings made by the installer With any of these four operating modes the installer also can choose between two methods for establishing tare values 1 He can choose a selection that requires the operator to acquire tare values only from actual weights placed on the scale TARE PTT or 2 He can choose to allow the operator to enter tare values digitally TARE SET See description for TARE menu item in Table 3 1 Even though the ACCEPT band tolerance limits can be set and or changed by the operator in certain modes please note that the settings controlling the outer LED arrowheads on the Under Accept Over display bar can only be set or changed by the installer in Configuration mode Operating Modes 5 1 5 2 All settings above the UNDER ACCEPT OVER display bar are made by the operator in normal weighing mode and are in the default unit of weight All settings below the UNDER ACCEPT OVER display bar are made by the installer in Configuration mode and are in graduations NOTE Grad settings are successively cumulative to Ov 1 and Un 1 settings For instance the LED light furthest left Un 2 comes on when the cumulative grad settings for Un I and Un 1 2 have been surpassed Overview of Operating Modes The following pages use graphics to summarize how each operating mode functions This page provides a key using the two figures below for reading those graphics on the following pages Note that all graphics
72. ex SP is the ASCII character for space 20 Hex UNITS is the 1 2 character indication of the current unit of measure kg for kilograms g for grams lb for pounds OZ for ounces Ib oz use special format EOL is either CR or CR LF depending on serial port setting for End of Line Termination continued 6 16 CW 80 Checkweigher Installation Service Manual Table 6 3 continued ID REFERENCE COMMANDS XTG XMIT TARGET COMMAND This sequence requests the CW 80 to Transmit the Target value associated with the ID number located in the Location character field It does not make this Target value the current Target value It is simply used for inspection The CW 80 responds with the following format Response Format Command Format Key STX G nmn POL DATA SP UNITS EOL represents a separate field Where of information STX is the 1 ASCII character 02 Hex for Start of Text gt represents literals which G is ASCII literal text 47 Hex will appear as shown nnn is the 3 ASCII character for the ID number ex nnn would be 025 for the 25th ID register gt is ASCII literal text 3A Hex POL is the polarity or sign of the Target value space 20 Hex for positive values 2D Hex for negative values DATA is a 7 character field with including decimal point for Target value data Data is right justified with leading zeros padded l
73. ght display mode it indicates that the current Net weight reading is within 0 25 dd of the Center of Net Zero A display division dd is the resolution of the displayed weight value or the smallest incremental increase or decrease that can be displayed or printed MOTION LED When illuminated this LED indicates that the scale s weight reading is unsettled or unstable For the MOTION LED to remain in the OFF state scale motion must not have occurred within the last second A scale is In Motion when the current weight reading varies from the previous weight reading by more than the value of the Motion Band STABLE NEG Minus LED When illuminated this LED indicates that the six displayed digits represent a negative value when UNITS is set to Ib oz mode It allows the full 6 digit display to be used for weight display eliminating the need to display the minus sign Normally a minus sign is displayed on the 6 digit display Ib LED When illuminated this LED indicates the unit of measure is pounds Ib This setting affects the serial data output unit of measure kg LED When illuminated this LED indicates the unit of measure is kilograms kg This setting affects the serial data output unit of measure oz LED When illuminated this LED indicates the unit of measure is ounces oz This setting affects the serial data output unit of measure g LED When illuminated this LED indicates the unit
74. he 1 character indication of the current unit of measure for PMODE setting of CNT K for kilograms L for pounds O for ounces G for grams lt SP gt for lb and oz is the 2 character indication of weight type for any PMODE setting except CNT GR for Gross Weight information NT for Net Weight information is the 1 character indication of weight type for PMODE setting of CNT G for Gross Weight information N for Net Weight information is 1 character of status information M for Motion or scale is not in Standstill O for scale Out of range overloaded or underloaded lt SP gt for in range stable reading is either lt CR gt or lt CR gt lt LF gt depending on serial port setting for End of Line Termination 7 6 CW 80 Checkweigher Installation Service Manual LFT OIML Sample Print Outs LFT or OIML PTT tare mode with tare entered 4 690 LB G 1 000 LB T 3 690 LB N LFT or OIML PTT tare mode with no tare entered 4 690 LB G OIML SET tare mode with tare entered 4 690 LB G 1 000 LB PT 3 690 LB N OIML SET tare mode with no tare entered 4 690 LB G NOTE Sleep mode must be set to OFF for any legal for trade application Table 7 4 LFT Legal For Trade and OIML output formats Print Formats Where lt STX gt POL DATA lt SP gt LB KG OZ G G T PT N lt EOL gt Legal For Trade Format STX POL DATA lt SP gt LB KG OZ G lt SP gt G
75. he units of measure to be associated with all OVER UNDER TARE UNITS values for the given ID number L for pounds K for kilograms G for grams O for ounces Zi for pounds and ounces EOL This is a ASCII End of Line character sequence CR or CR LF as determined in the Serial Menu at Setup Note The I sequence requests that the checkweigher READ the contents of the desired ID record associated with the ID specified in the ID field and transmit the content of the record out the serial port The Checkweigher responds with the appropriate data if available otherwise it will send back the Empty response to indicate that the ID has not been previously stored THE EMPTY RESPONSE IS IN THE FOLLOWING FORMAT Response Format STX ID sp empty EOL Where STX This is a single ASCII character 02 Hex Start of Text that is a preamble to all bidirectional serial command responses ID This is a 3 character field that specifies the record number or location of the ID where the OVER UNDER TARE UNITS data is to be stored This is the ASCH Character 3A Hex sp This is the ASCH Character 20 Hex empty This is an the ASCH literal string excluding the marks EOL This is a ASCII End of Line character sequence CR or CR LF as determined in the Serial Menu at Setup Example To request the Tare Tolerance values from the register set of ID 16 of a Chec
76. heckweigher has a push switch on its main board to switch between the Configuration mode and Normal Operating mode The switch is accessible through a hole in the rear panel normally closed off by a drilled head fillister screw and water tight washer Fig 3 1 1 Removing the screw lets you operate the switch without opening the case To set up and calibrate the CW 80 you must be in the Configuration mode Remove the fillister screw and washer 1 over the set up switch To enter the Configuration mode insert a small diameter object like a screwdriver or pen through the access hole until it touches the setup switch Gently press the switch until the word SETUP is displayed on the front panel Once configuration and calibration are completed press the switch again to return to Normal Operating mode Access to the switch can be denied by threading a wire through fillister screws 1 and 2 shown in Fig 3 1 below then connecting the ends of the wire into a loop with an official regulatory seal Figure 3 1 Key 1 Fillister screw over set up switch 2 Fillister screw for sealing case Configuration 3 1 Navigational keys Moving Around in the Menus After setting the mode switch to the Configuration mode you have access to three menu choices that allow you to setup and calibrate the CW 80 The Configuration menus are SETUP SERIAL and CALIB A fourth m
77. hing mode Data is right justified with leading zeros padded with spaces is the ASCII SPACE character 20 Hex is the 2 character indication of current weighing mode GR for gross weights NT fornet weights is the 1 character indication of Over Accept Under status O if Over LED is illuminated A if Accept LED is illuminated U if Under LED is illuminated is a 1 character field for CW 80 status transmitted during continuous PFUNCT CONT transmit mode only M for Motion status scale is not at standstill R for Overload out of range indication lt sp gt ASCII 20 Hex for Standstill in range reading is either lt CR gt or lt CR gt lt LF gt depending on serial port setting for End of Line Termination 7 4 CW 80 Checkweigher Installation Service Manual SSF Sample Print Outs SSF Gross Accept 1 690LA SSF Net Accept 1 490LA SSF Gross Over 1 690LO SSF Net Over 1 490LO Table 7 2 SSF short standard format output format Short Standard Format not for lb and oz units of measure Print Format POL DATA L K O G O A U lt EOL gt Where POL is the 1 character polarity indicator ASCII 20H space if positive weight reading ASCII 2DH minus sign if negative weight reading DATA is a 7 character field with including decimal point for weight data Data is right justified with leading zeros padded left with spaces 20 Hex L K O G is the 1 character indication of the c
78. iggered In some cases it is not practical EHF ESH 1 0 dd to have the CW 80 return to 0 to reset its auto print functions See PFUNCT for more 2 0 dd information concerning the auto print modes supported by the CW 80 eed The THRSH parameter is also used to give you a band greater than 0 where the UNDER LEDs are OFF and the UNDER digital outputs remain inactive Retriggering does not occur until an equivalent weight in excess of the THRESH value is placed on the CW 80 platter O LOAD FS 0 dd V Overload Indicates where Gross Overload Underload Blanking of the CW 80 display FS 1 dd should occur due to a scale overload condition The default settings is Full Scale FS FS 2 PC PSHBUT ID Pushbutton Allows disabling any key s primary function during normal operating i TARGET mode Secondary function of keys are not affected Any key can be enabled or disabled PSHbUE TARE within this menu either ON or OFF The default for each individual key is ON PRINT The default setting ZERO enables all keys UNITS ZERO V UNDER OVER UPDATE 040S Y 1 000S Display Update Rate Sets the time desired for updating the display in seconds Even ii 120 S 1 480 S though the A D acquires new weight information at a faster rate it may be desirable to UPGAEE 2408 2 0008 update the display at a slower and more stable rate 4808 2 480 S 7208 3 000 S FILTER 1V 4 32 Digital Filter Sets the amount of mathematical averaging to be applied to the incoming
79. ination continued 6 10 CW 80 Checkweigher Installation Service Manual Command Format Key represents a separate field of information gt represents literals which will appear as shown Table 6 2 continued INQUIRY COMMANDS REQUESTING STATUS XC XMIT CURRENT TOLERANCE STATUS This sequence requests the CW 80 to transmit the current tolerance annunciator activated in the following format Response Format STX SP O A U EOL Where STX is the one ASCII character 02 Hex for Start of Text SP is the ASCII SPACE character 20 Hex O A U is a four character field indicating current Tolerance annunciator activation status OVER for OVER Tolerance annunciator activated UNDR for UNDER Tolerance annunciator activated ACPT for ACCEPT Tolerance annunciator activated EOL is either CR or CR LF depending on serial port setting for End of Line Termination XTA XMIT ALL TARES COMMAND This sequence requests the CW 80 to transmit a list of all stored Tare values by ID number Only the valid Tare values will be transmitted Response Format STX T 1001 POL DATA UNITS EOL STX T 1002 POL DATA UNITS EOL STX T nmn POL DATA SP UNITS EOL Where STX is the one ASCII character 02 Hex for Start of Text T is ASCII literal text 54 Hex nnn is the three ASCII charac
80. ing decimal point for Target value data when used in lb and oz mode Data is right justified with leading zeros padded left with spaces 20 Hex SP is the ASCH character for space 20 Hex UNITS is the one two character indication of the current unit of measure kg for kilograms g for grams Ib for pounds Oz for ounces lb oz use special format See LBDATA and OZDATA above EOL is either CR or CR LF depending on serial port setting for End of Line Termination XO XMIT OVER COMMAND This sequence requests the CW 80 to transmit the current Over value associated with the current ID number Response Format STX 0 nnn POL DATA SP UNITS EOL continued Using the EDP Port 6 7 6 8 Command Format Key represents a separate field of information gt represents literals which will appear as shown Table 6 2 continued INQUIRY COMMANDS REQUESTING STATUS Where STX O el nnn S POL DATA SP UNITS EOL Response Format Where STX su nnn is the one ASCII character 02 Hex for Start of Text is ASCII literal text 4F Hex is three ASCII character for the ID number Example nnn would be 025 for the 25th ID register is ASCII literal text 3A Hex is the polarity or sign of the Over value space 20 Hex for positive values gt 2D Hex for negative v
81. ions Also you can use special commands to transmit weight data directly from the EDP port on demand When you send a command via the EDP port the command must be in a specific format Generally you type the command on the remote keyboard and press ENTER or RETURN to send it in the formats shown etc This section describes four different command categories for implementing CW 80 EDP or serial communications e Simple Commands No Response e Inquiry Commands Response e ID Reference Commands e Read and Write Commands With each command category in this chapter is a description of the related format Using the EDP Port 6 1 After the CW 80 receives a simple command it responds with the character sequence EOL which means OK This response verifies that the command was received However this response does not indicate that a requested action was completed For example the indicator will respond with EOL even if it disallows a ZERO function Command Format Key represents a separate field of information represents literals which will appear as shown Simple Commands No Response Simple Commands instruct the CW 80 to perform various functions When you enter this type of EDP command the CW 80 will not respond with data but rather with an acknowledgement sequence CR All available simple commands response formats and related syntax p
82. isconnected Repair cable Signal leads incorrectly wired at indicator Connect according to manual Display stays at zero Incorrect load cell cable connections Connect according to manual Indicator faulty Service indicator Erratic weight display Vibration near scale Remove source of vibration or adjust digital averaging of indicator to minimize erratic display Scale not level Level scale Water damage to load cell or cable Replace load cell Indicator faulty Service indicator Loose load cell screws Tighten to corrent torque Faulty load cell Test and replace if necessary Consistently low weight Indicator not properly adjusted to zero Zero indicator correctly Scale deck cover binding Obtain adequate clearance Overload stops set too high Reset stops Indicator not calibrated for scale Calibrate indicator Load cell faulty A Warning Test and replace if necessary Repair procedures requiring disassembly of the indicator enclosure carry the risk of electric shock to inexperienced personnel Procedures requiring entry of the enclosure are to be performed by qualified service personnel only 8 2 CW 80 Checkweigher Installation Service Manual A Warning There is no ON OFF switch on the CW 80 Before beginning be sure the CW 80 power cord is removed from the wall power receptacle Disconnect battery if unit is so equipped YN
83. ision of 0 005 kg In Test mode the same fully loaded scale would show 3000 with a mini mum display division of 0 1 CW 80 Checkweigher Installation Service Manual Using the EDP Port In this section E Overview E Simple Commands No Response E Inquiry Commands Requesting Status Data E ID Reference Commands E Commands to Read and Write to IDs Commands intended for CW 80 Checkweigher address 0 are broadcast commands All CW 80s are to interpret and act upon a particular command No REPLY acknowledge character string is to be transmitted to indicate receipt of a command since serial port bus contention will likely occur Overview The EDP electronic data processing port allows you to transfer important weigh process data to printers or computers The CW 80 Checkweigher uses either bidirectional RS 232 or simplex output only 20 mA current loop communications as its standard communi cations interface All characters are standard ASCII characters Optionally an RS 485 communications package 1s available to provide networking capability of up to 32 devices i e CW 80s printers and comput ers Each can be individu ally addressed By using special com mands from either a terminal keyboard or a specially designed computer program you can manipulate Over Under Tare and Units values call up current settings for Tare Tolerance sets and perform reporting funct
84. it above the key by 1 each time the key is pressed Any Other Key If any other key is pressed other than those previously mentioned the CW 80 will abort the display NET Net ZERO gt 0 MOTION NEG ZERO UNITS PRINT TARE CVYWVSBOD sa A SAA aa lt pocept gt a rn UNDER NET Net ZERO 20 MOTION NEG UNITS 0 ZERO UNITS PRINT Operating Modes 5 9 3 Second Timeout to Store Tare Value If no key is pressed for 3 seconds the tare value on the display is stored into memory and the word STORED appears on the display for 1 2 second Note that this stored value overwrites any value which might currently be in memory The display then returns to Normal Weighing mode If a timeout occurs before your final desired tare value was dis played you can get back into the Tare Display Set mode by repeating the process of 1 Tare display 2 Set adjustment direc tion 3 Adjust value and 4 Timeout to overwrite existing tare and store new tare in memory The following example illustrates setting a tare value of 1 60 lbs A EET ti CWFSOD IEA CUA UNDER lt ACCEPT gt E o I NET Net STEP 1 ee Press TARE to display the current MOTION tare value This places the CW 80 in NEG Tare Display Set mode Tf 0 7 ZERO UNITS PRINT TARE CVYVSBOD STEP 2 Ma SAA TLES oR lt AOCEPT gt OATS enum Set the direction smaller or larger cae in which you want to alte
85. kweigher with an Address of 85 which has been previously configured to have a 30kg x 01 kg capacity send the following SOH 85 1016 CR Using the EDP Port 6 23 7 Advanced Features f f Bar Graph In this section The Bar Graph is a programmable 5 segment 7 range LED that gives you a E Bar Graph quick visual method of determining if a container is too heavy Over too light Under or in a correct range ACCEPT The functions of the 5 LEDs or segments are described in the following paragraphs E Print Formats Red Segments 2 The red segments Figure 7 1 indicates an Under weight value Any illuminated red segment s indicate that the container weighs less than the Jowest acceptable value There are three levels of Under weight readings The outer red segment lit indicates that the weight is greatly below the acceptable weight band see Figure 7 2 Both red segments lit indicates moderately under The inner red segment lit indicates that the container weight is slightly under Figure 7 1 1 2 3 Bar graph segments Figure 7 1 Key 1 Red Segments under 2 Green Segment accept 3 Amber Segments over Figure 7 2 m Interpreting bar graph LED ranges 4 4 Figure 7 2 Key greatly under when outer arrow is lit moderately under when both are lit nds slightly under when inner arrow is lit Y target acceptable weight when
86. ledgement Character sequence EOL if enabled Using the EDP Port 6 19 Commands to Read and Write to IDs One way the CW 80 is very different from the CW40 is in the area of ID Serial commands The I command is used to transmit a Tare Tolerance set to a checkweigher and have it store the contents in the desired ID location The I command is used to request that a checkweigher transmit the contents of a particular ID Register set from the serial port back to the host controller All available read and write commands response formats and related syntax parameters are described in table 6 4 Table 6 4 READ AND WRITE COMMANDS TO WRITE TO AN ID REGISTER SET Response Format Command Format Key SOH Addr P 1D lt Under Data Over Data Tare represents a separate field Data Unit CR of information Where 669 literals which SOH This is a single ASCII character 01 Hex Start of Header iS pi dees that is a preamble to all bidirectional serial commands will appear as shown Addr This is a two character ASCII sequence 00 99 for the address of the Checkweigher that reads and reacts to the next command Mr This is a two character sequence that instructs the checkweigher to store the associated Tare Tolerance data in the designated ID 11 This is the ASCII Character 2C Hex ID This is a 3 character field that specifies the record number or location of th
87. mation in a specific format In some cases it may respond with the sequence EOL when the operation is completed All available ID reference commands response formats and related syntax parameters are described in Table 6 3 Table 6 3 ID REFERENCE COMMANDS Format SOH ADDR HIGH ADDR LOW COMMAND LOCATION CR Where SOH This is a single ASCII character 01 Hex Start of Header that is a preamble to all bidirectional serial commands ADDR HIGH This is a single ASCII character for the most significant digit of the two digit CW 80 Address ADDR LOW This is a single ASCII character for the least significant digit of the two digit CW 80 Address COMMAND _ This is a two character sequence for the command that instructs the CW 80 to perform a certain function The list of available commands is detailed below LOCATION _ This is a three character field that specifies the location or ID number of the Over Under Tare Units data to be inspected or altered CR This is a single ASCII character 1D Hex Carriage Return used to signify the end of a complete serial command RT RECALL TARE REGISTER COMMAND XT XMIT TARE COMMAND XTG XMIT TARGET COMMAND xO XMIT OVER COMMAND XU XMIT UNDER COMMAND CT CLEAR TARE COMMAND CTG CLEAR TARGET COMMAND CO CLEAR OVER COMMAND CU CLEAR UNDER COMMAND continued Using
88. mum Off 0 5 1 2 or 3 dd 2 or 100 F S Off 0 5 1 2 3 5 10 dd Software 10 0 5 V DC maximum 4 350 Q load cells Differential amplifier with 6 wire sensing Signal excitation and sense lines protection 3 V m for 100 kHz to 1 GHz lt 1 uV suscepti bility Digital Filter Digital Outputs Serial Communication Software selectable 1 2 4 8 16 32 64 128 3 optional 5 VDC TTL level digital outputs to indicate Over Under and Accept status Optional relays available for outputs 3 N O relays 10 Watts 0 5 Amp 100 VDC 3 N C relays 10 Watts 0 5 Amp 100 VDC Status Annunciators Keyboard Bar Graph Display Resolution EDP Port 19200 9600 4800 2400 1200 600 300 and 150 baud Full duplex RS 232 or simplex 20 mA current loop output RS 485 optional Operator Interface Display 0 8 inch 7 segment 6 digit high intensity red LED display decimal point available at each digit lb kg g oz net motion center of zero neg 8 key touch control with international symbols 5 segment 7 range programmable multicol ored array tracks Over Under Accept status in relation to target value Selectable up to 10 000 dd for NTEP Class III Appendix 9 1 9 2 AN Caution For protection against risk of fire replace fuses only with same type and rating as original equipment Power Line Voltages Frequency Fusing Available in 115 VAC 230 VAC Optional 6 VDC batte
89. n be modified digitally continued Configuration 3 9 Table 3 1 continued SETUP menu Menu Item Parameter OPERAT OPEFAE Description TARGET UN 1 Target mode Pressing the TARGET key allows the CW 80 to acquire the current weight on UN 1 2 the platter as a Target value The Target Value is an ideal weight or reference value around A BEE UN 2 which the over OV 1 and under UN 1 tolerance values are automatically adjusted during OV 1 operation All weights between UN 1 and OV 1 will be in the ACCEPT range All UN and OV 1 2 OV values are set in grads dd and function as follows Ove UN 1 Lower limit of ACCEPT band Number of grads from Target value until ACCEPT goes off and first innermost Under light comes on UN 1 2 Number of grads from UN 1 until both Under lights come on UN 2 Number of grads from UN 1 2 until last outermost Under lights comes on OV 1 Upper limit of ACCEPT band Number of grads from Target value until ACCEPT goes off and first innermost Over light comes on OV 1 2 Number of grads from UN 1 until both Over lights come on OV 2 Number of grads from UN 1 2 until last outermost Under lights comes on UN 12 A A lt UN 2 1 OV OV 2 gt pec OU SET UN 1 2 Over Under Set mode Allows operator to set the ACCEPT band by digitally entering the e UN 2 Over 1 and Under 1 values Once the current Over 1 or Under 1 val
90. nd by 1 display division the first red segment lights This level is set as UN 1 or slightly under See Section 5 Operating Modes for information on setting Ov 1 and UN 1 values Setting Graduation Bar Graph Values Ov 1 2 Ov 2 Un 1 2 Un 2 The other bar graph settings can be set only in the Configuration mode and are set using graduation dd values Moderately under both red segments is set as UN 1 2 Greatly under leftmost red segment is set as UN 2 Moderately over both amber segments is set as Ov 1 2 Greatly over rightmost amber segment is set as Ov 2 Calculating Tolerance Values in Graduations To find the graduation value for a desired tolerance where tolerance is a weight value use the following formula Tolerance dd graduation Example CW 80 with 6 lb x 002 display divisions in TARGET mode Assume the desired tolerance for the product will be 01 lb To find 01 lb expressed in graduations divide 01 Ib by 002 lb grad 01 lb 002 Ib grad 5 graduations CW 80 Checkweigher Installation Service Manual TOL Sample Print Outs TOL Gross Accept Ib 5 230 LB GRA TOL Net Over Ib 5 885 LB NTO Therefore to set the CW 80 so that Un 1 Un1 2 and Un 2 light at 01 intervals parameters should be set to 5 Because these values are cumulative the first red segment Un 1 will light at 01 lb under target both red segments Un 1 2 at 02 lb and the leftmost red segment Un 2 at 03 lb Prin
91. network applications To enable RS 485 communications you must connect two communica tion wires to terminals A and B on the serial communications terminal A ground wire is also required See Figure 2 3 and Table 2 1 on the previous page for more information on expanded serial communica tions Consider the following guidelines for an RS 485 interface Table 2 3 RS 485 hardware e Every piece of equipment must have a unique address e Every piece of equipment must remain quiet while waiting for a command e All interface wiring and RS 485 transceivers must be correctly installed as 2 wire implementations e The ground terminals of all equipment in the network must be connected to minimize common mode voltage differences Table 2 4 RS 485 software e The controller software must be compatible with the CW 80 s protocol Some equipment may have its own proprietary RS 485 protocol e All equipment in the RS 485 network must follow the rules of half duplex communications Be quiet unless spoken to and Never echo back what you are receiving The controller must turn on its transmitter send the commands wait for the transmission and finally turn off its transmitter to listen e The controller software must be able to handle the echo from its own transmission since the transmit and receive lines are shared CW 80 Checkweigher Installation Service Manual You enable the optional RS 485
92. nonzero stable reading rather than the first nonzero stable reading continued Configuration 3 13 Table 3 2 continued SERIAL menu Menu Item Parameter Description PR OUT TOLV Printout Selects the type of print data format to be used when transmitting through the serial SSF port The four possible selections are listed below See Section 7 for more detail on print PF Ou CCC formats LET TOL tolerance format SSF simple short format CCC Consolidated Controls format LFT legal for trade format The default is TOL REPLY ONV Reply Determines whether the CW 80 will respond with an acknowledgment when issued a OFF EDP port command other than one intended for CW 80 00 broadcast The selections are FEPLY either ON or OFF with ON being the default selection This setting does not affect requests for status weight data tolerance values etc The Acknowledgment is defined as the following ASCII character sequence J EOL where is ASCH 2A Hex EOL is the End of Line termination as set in the EOL menu item BUFFER ON Buffer Determines whether the CW 80 will power up buffering all printout transactions y OFF V OFF is the default setting When set to ON all transactions are buffered until a serial port bUFFE command requests the transaction buffer be transmitted When set to OFF all transactions are sent when available However serial port commands may be used to tem
93. oad positi n Ca librati on will be lost and fector s 1 00 will result in the same or fewer graduations for the ALT X unit of measure any settings established for ALT 1 maintaining Legal For Trade compatibility ALT 2 or ALT 3 units will be lost continued These alternate unit selections are visible only if the prior alternate unit has been activated is not set to OFF 3 6 CW 80 Checkweigher Installation Service Manual Table 3 1 continued SETUP menu continued Menu Item SEL UN SEL UA GRADS BAS Q Z 4 w lt CAE by L E m 1 3 u m ae oc r Z BAND Z bAn Parameter OFF V lb oz OZ lb g kg number DIV 1V DIV 100 DIV2 DIV200 DIV5 DIV500 DIV 10 DIV 20 DIV 50 888888 V 88888 8 8888 88 888 888 88 8888 8 88888 OFF 0 5 dd 1 0 dd V 2 0 dd 3 0 dd 5 0 dd 10 0 dd 2PCV 100 PC Description Select Units Select from the given list of units for DEFALT ALT1 ALT2 or ALT3 The SEL UN parameter can be set to 0z lb g and kg for the DEFALT unit while the SEL UN parameter can be set to OFF lb oz oz lb g and kg for any of the ALT X units Note Units selection is not indicated by letters on the numeric display but by the illuminated Units LED s to the right of the numeric display Press the ID or TARGET key to select the desired unit s red LED Displayed Graduations Specifies the number of full scale graduations for th
94. of 100 Ib and over e Front panel calibration with internal memory to store calibration constants e Storage for up to 300 tare and tolerance ID settings e Automatic zero tracking e Bidirectional RS 232 or simplex 20 mA current loop communications e NEMA 4X IP66 indicator enclosure Table 1 2 Optional Features Optional features include Electronics e 6 VDC replacement battery pack Outputs e 3 TTL active low outputs e 3 normally open relays e 3 normally closed relay outputs Software e RS 485 communications 2 wire half duplex format Hardware e 24 inch indicator column e 30 inch indicator column e 10 inch x 10 inch cutting board e 12 inch x 12 inch cutting board e Combination desk wall mount bracket e 304 stainless steel clamshell load cell protection for capacities of 100 lb and over CW 80 Checkweigher Installation Service Manual Learning the Keypad and LED Displays The front panel consists of a 6 digit LED alphanumeric display individual status indicators annunciator LED s and a membrane touch panel keypad encased in a watertight stainless steel case Take some time to familiarize yourself with the CW 80 front panel shown below and the key functions described on the following pages Table 1 3 provides you with detailed descriptions of all keys and related displays Table 1 4 provides information about front panel annunciator LEDs Figure 1 1 yg BF CW 80 front panel a A 04
95. of measure is grams g This setting affects the serial data output unit of measure Ib oz LED When both the Ib and oz LEDs are illuminated these LEDs indicate that the unit of measure is pounds and ounces Ib oz This setting affects the serial data output unit of measure as well as the display CW 80 Checkweigher Installation Service Manual Bar Graph Segment Key 1 Red Segments 2 Green Segment 3 Amber Segments Bar Graph LED Key greatly under when this one is lit Spat moderately under when both are lit Sous slightly under when this one is lit target acceptable weight when lit oe slightly over when this one is lit moderately over when both are lit greatly over when this one is lit Table 1 4 continued Bar Graph LEDs Red Green and Amber The Bar Graph LEDs provide you with a fast way of determining if a container is too heavy Over too light Under or is within an accept able weight range ACCEPT It consists of 5 LEDs or segments Red Segments 2 of these Indicates an underweight condition When lit the red segment s indicates that the container weighs less than the lowest acceptable value There are three levels of Under weight readings The leftmost red segment is used to indicate that the container weight is far below the acceptable weight band greatly under the rightmost red segment is used to indic
96. ore the value The word STORED appears on the display for 1 second This mode disables the TARGET key 3 10 CW 80 Checkweigher Installation Service Manual Figure 3 5 Serial menu SEEUP SEFIAL CALI EESE Bata H bes H Heo ds pore H Adar 9600 V 8 NONE V CR LF Y 0 SEC V OFF V i number PA PA a ek 19200 7 EVEN 2 SEC RS 232 Setaddress lt re lt number with 150 7 ODD 4 SEC 11 RS485 ii directional SS A irre ii navigator 300 6SEC TERS 485 i keys then A s 9 optionhas enter number 600 8 SEC 1 been o with ZERO a purchased key 1200 1 0 SEC andinstalled 2 2400 E o teo 4800 1 4 SEC 1 6 SEC yA 1 8 SEC gt 2 0 SEC PF Ow FEPLY bUFFEJ HANASH EOd Y EDL y ON V ON OFF V L LOd SSF OFF OFF V ON l CONE CEC gt AP i LFE AP 2 AP Sa APY Configuration 3 11 Table 3 2 ADDR 7 EVEN blES 7 ODD OFF V RS 232 Ore RS 485 CRV CR LF EOL DLY 0 SEC V 2 SEC EGL dL 4 SEC 6 SEC 8 SEC 1 0 SEC 1 2 SEC 1 4 SEC 1 6 SEC 1 8 SEC 2 0 SEC number Add SERIAL menu Menu Item Parameter Description BAUD 150 2400 Baud Rate Selects the transmission speed for the serial port 300 4800 bRUd 600 9600V 1200 19200 BITS 8 NONE V Bi
97. ormat Key Table 6 2 continued INQUIRY COMMANDS REQUESTING STATUS represents a separate field of information gt represents literals which will appear as shown EOL is either CR or CR LF depending on serial port setting for End of Line Termination X XMIT DATA COMMAND Requests that the CW 80 perform a simple XMIT out the serial port in the selected Prt Out format No acknowledgement takes place but the transmission is made if possible XW XMIT WEIGHT DATA COMMAND This sequence requests the CW 80 to transmit the current displayed weight reading only in the following format Response Format Where STX POL DATA SP UNITS EOL STX POL DATA SP UNITS EOL is the one ASCII character 02 Hex for Start of Text is the polarity or sign of the current displayed weight space 20 Hex for positive values 2D Hex for negative values is a seven character field with including decimal point for current displayed weight reading Data is right justified with leading zeros padded left with spaces 20 Hex is the ASCII SPACE character 20 Hex is the one two character indication of the current unit of measure kg for kilograms g for grams Ib for pounds oz for ounces Ib oz use special format See XTG command for full details is either CR or CR LF depending on serial port setting for End of Line Term
98. oth jumpers if usin 6 wire load cells with sense lines 50 90 Ex se si asi ase sex sun NEEE E Y N J EX 2 2 CW 80 Checkweigher Installation Service Manual If using 6 wire load cell cabling remove the two jumpers above the load cell terminal strip Wiring Standard Serial Communications Ports Serial communications for the CW 80 is provided through a serial communications terminal block located on the CPU board next to the Note load cell terminal block See Figure 2 3 The four cord grips on the bottom This terminal block provides a port for both EDP Electronic Data of the indicator head should be Processing devices and printers or remote displays You must configure used for the cables listed below pr ner A Refer to Figure 2 3 this port for your specific application see Section 3 Configuration for f more information The CW 80 communicates with bidirectional RS 232C and or output only 20 mA Current Loop interfaces For network A Backup Battery Cable applications with up to 32 devices 2 wire half duplex RS 485 is B Load Cell Cable available as an option C Serial Communications Cable See Table 2 1 for serial terminal block wiring configurations D AC Power Cable Table 2 1 Serial Communications Port Pin EDP EDP Network RS 232 20 mA RS 485 Bidirectional Out Only Half Duplex Bidirectional T T GND GND GND GND RXD RXD NN TXD TXD
99. parameter settings If you return to Normal Operating mode NOTE When exploring the menu be before scrolling completely up to SETUP changes may be ignored careful not to accidentally change parameter settings Remember the CW 80 locks in whatever is displayed when you move up a level make sure the desired setting is on the display before you press OVER key to exit Because the CW 80 automatically acquires Zero upon leaving Configuration mode be certain the platter is clear when switching to Normal Operating mode See Figures 3 4 through 3 6 for the structure of the SETUP SERIAL and CALIB Calibration menus 3 2 CW 80 Checkweigher Installation Service Manual Figure 3 3 Entering numeric values Numeric Entry of Values Some menu items require a numeric entry In sucha case you enter numeric values using the navigational keys as shown at right When a numeric value is displayed one of the digits will be blinking That digit is active and can be changed Press the OVER or UNDER keys to make the blinking active digit larger or smaller To change which digit is blinking press the TARGET or ID keys When you have changed the numerical display to the desired value press the ZERO key to lock in that value E NA MA mA EL E UA A L NEG A ZERO UNITS PRINT TARE UNITS i UNITS PRINT TARE ae MOTION J J NEG Y UNITS 0 y j ZERO UNITS PRINT TARE Configura
100. porarily override this function The initial setting is remembered as the Power Up default HANDSH OFF V Handshake Selects the XON XOFF software handshaking method of serial communications ON whereby data is transmitted only when the device such as a printer is ready to receive HANGSH 3 14 CW 80 Checkweigher Installation Service Manual Figure 3 6 Calibrate menu SEEUP SEMAL CALIb EESE MN FT AA A ZERO number SPAN Clear scale After zero At capacity Place test SCALE and press calibration value line weight on will ZERO TCAE SPA enter test scale display for Z CAL is weight Press 10 secs DISPLAYS displayed value ZERO When for 10 secs followed Press again to complete during zero by the full ZERO to activate display calibration scale display span reverts capacity SPAN calibration back to value CALIB lt AE m Y Sa Do not Do not disturb disturb platter while platter while Z CAL is S CAL is being being displayed displayed Table 3 3 CALIB menu Menu Item Parameter Description ZERO Use for zero calibration Clear scale and press ENTER key to display Z CAL to activate zero calibration The number SPAN Use to enter test value Use for span calibration display lasts for 10 seconds while Checkweigher makes a reading of the deadload or ZERO signal from the load cell After zero calib
101. r the NAP oss displayed value by pressing the ZERO 08 appropriate OVER or UNDER key MOTION In this example we will make the value larger so press OVER Sa UT WS Sy gt 0 UNITS 0 7 gt ZERO UNITS PRINT TARE 5 10 CW 80 Checkweigher Installation Service Manual STEP 3 Press the PRINT key 6 times to increment the digit above the key from 0 to 6 If a digit is incremented beyond 9 the effect will carry over to the next column STEP 4 Press the UNITS key once to increment the digit above the key from 0 to 1 STEP 5 Allow 3 seconds for the unit to timeout and store 1 60 as the new tare value After displaying the STORED message the CW 80 automatically shifts back into Normal Weighing mode NET Net ZERO 20 MOTION NEG l i NET Net ZERO gt 0 MOTION NEG io ey ELO a ovwvso AAA NET Net ZERO 20 MOTION NEG Operating Modes 5 11 5 12 Using ID Storage Registers ID s can have any of the predetermined valid units of measure associated with them You may also establish or store registers manually To use the manual method Set or acquire Accept band tolerances Set or acquire tare value Press ID key A wo O Use navigational keys to display the ID number desired 5 Press ID key to store the current Over Under Tare Units settings in the ID register STORED will appear on the displ
102. racter 02 Hex for Start of Text is ASCII literal text 47 Hex is the three ASCII character for the ID number Examplr nnn would be 025 for the 25th ID register continued 6 12 CW 80 Checkweigher Installation Service Manual Command Format Key represents a separate field of information gt represents literals which will appear as shown Table 6 2 continued INQUIRY COMMANDS REQUESTING STATUS gt is ASCII literal text 3A Hex POL is the polarity or sign of the Target value space 20 Hex for positive values 2D Hex for negative values DATA is a seven character field with including decimal point for Target value data Data is right justified with leading zeros padded left with spaces 20 Hex SP is the ASCH character for space 20 Hex UNITS is the one two character indication of the current unit of measure kg for kilograms g for grams Ib for pounds oz for ounces lb oz use special format See XTG command for full details EOL is either CR or CR LF depending on serial port setting for End of Line Termination KOA XMIT ALL OVERS COMMAND This sequence requests the CW 80 to transmit a list of all stored Over values by ID number Only valid over values will be transmitted Response Format STX O 001 POL DATA UNITS EOL STX O 002 POL DATA UNITS EOL STX 0 nnn
103. ration CAL SP is displayed briefly followed by display of the full scale capacity value If you plan to use a test weight equal to the capacity value displayed press ENTER The display prompt SPAN appears If you plan to use a less than capacity test weight enter that test weight value and press ZERO to display SPAN You may change the test weight value by using the navigational keys for numeric entry of the desired test weight While SPAN is displayed place test weight on scale and press ZERO key to activate span calibration The working display S CAL lasts for 10 seconds When complete the display reverts back to CALIB Configuration 3 15 4 Calibration In this section E Overview E Calibration Procedure Because the CW 80 automatically acquires Zero upon leaving Configuration mode be certain the platter is clear when switching to Normal Operating mode Overview The CW 80 Checkweigher is calibrated from the CALIB menu and stores the results in nonvolatile memory on the CPU board Calibration is done through the CALIB setup menu shown below which includes screen displays seen during the process Calibration Procedure SETUP SERIAL CALIB TEST Push setup switch to enter Configura tion mode Scroll right to CALIB ZERO Scroll down to ZERO Clear platter and press ZERO key to calibrate zero Z C
104. rent unit of measure will also be lit but not flashing This Tare Display Set mode lasts for 3 seconds unless a key is pressed which resets the 3 second time interval The CW 80 response is dependent on which key is pressed ra Ves om SUU HEROE UNDER A lt ACC AA OVER NET Net ZERO gt 0 MOTION NEG 30 UNITS 0 ZERO UNITS PRINT The OVER or UNDER keys Pressing either of these keys while the Tare value is displayed will establish the direction of adjustment You must set the direction of adjustment with the OVER or UNDER keys before trying to modify the displayed tare value Pressing this key again will activate an Auto Rolling sequence in the adjustment direction Pressing either the OVER or UNDER key again will stop Auto Rolling and pressing the opposite key will reverse the Auto Rolling direction CW 80 Checkweigher Installation Service Manual If you don t prefer the Auto Rolling method of adjusting tare values you may use the Digit Adjustment method In this example the CW 80 has the tare value displayed in Tare Display Set mode The OVER key has already been pressed to establish the adjustment direction as increasing Pressing the UNITS key once as shown at right increments the digit 1 to 2 Digit Adjustment Keys Pressing any of the keys ZERO UNITS PRINT TARE beneath the display digits while the Tare value is displayed will increment or decrement the dig
105. ry backup 50 or 60 Hz 115 VAC 2 x 250 mA TR5 subminiature fuses Wickmann Time Lag 19374 series UL listed CSA certified 230 VAC 2 x 125 mA TRS subminiature fuses Wickmann Time Lag 19372 series UL and C UL recognized Semko and VDE approved Operating Temperature Emissions Immunity Enclosure Classification Enclosure Materials 14 to 104 F 10 to 40 C FCC Part 15 Class A CISPR 22 Class A NEMA 4X IP66 indicator enclosure 304 stainless steel Mechanical Capacities Available 6 Ib 6 x 002 lb 96 x 05 oz 3 x 001 kg 3 000x 1 g 10 lb 10 x 005 lb 160 x 1 oz 5 x 002 kg 5 000 x 2 g 15 lb 15 x 005 lb 240 x 1 oz 7 x 002 kg 7 500 x 5 g 30 Ib 30 x 01 lb 480 x 2 oz 15 x 005 kg 15 000 x 5 g 60 Ib 60 x 021b 960 x 5 oz 30 x 01 kg 30 000 x 10 g 100 lb 100 x 02 lb 1 600 x 50z 50 x 01 kg 50 000 x 10 g 200 lb 200 x 05 lb 3 200 x 1 oz 100 x 02 kg 100 000 x 20 g 300 lb 300 x 11b 4 800 x 1 oz 150 x 05 kg 150 000 x 50 g 500 lb 500 x 1 lb 8 000 x 2 oz 250 x 05 kg 250 000 x 50 g 1000 lb 1000 x 2 lb 16 000 x 5 oz 500 x 1 kg 500 000 x 100 CW 80 Checkweigher Installation Service Manual Indicator Dimensions 9 5 W x 8 5 H x 3 25 D 241 mm x 216 mm x 83 mm Platform Column Dimensions 6 10 15 30 Ib Platform 10 L x 10 Wx3 H 254 0 mm x 254 0 mm x 76 2 mm Column 12 H 304 8 mm 30 60 100 Ib Platform 12 Lx 12 Wx3
106. s setpoints by using TTL compatible digital outputs A serial port can be used to send out check weight results to an external controller or data collector 300 Over Under Tare Units register sets can be linked to ID s for easy recall of stored values These registers can be modified by serial commands from a computer or by using the keys on the front panel Introduction 1 1 1 2 Some setup parameters may relate to optional features that may not be installed on your CW 80 Changing the param eters for an uninstalled option has no effect Application specialists at Rice Lake Weighing Systems are available to help with unique situations not covered in this manual Features The CW 80 offers a variety of standard and optional features that are shown below in Table 1 1 and 1 2 Table 1 1 Standard Features All standard models include e Choice of operating voltage and battery backup e 115 VAC operation e 230 VAC operation e 115 VAC operation with 6 VDC battery backup e 230 VAC operation with 6 VDC battery backup e Large 8 inch 7 segment 6 digit LED display e 8 key membrane touch panel keypad with keys for Over Under Tare Zero Units Print Target and ID e Annunciator lights for unit selection e High intensity LED indicators for Over Under and Accept e Display units in decimal lb kg oz lb and oz grams Stainless steel load cell for capacities of up to 60 lb e Aluminum load cell for capacities
107. s weigh data when PRINT key is pressed Printout LOD only occurs if scale is not in motion or out of range Overrange or Underrange PFUMEE CONT condition If either of these conditions is not met the print request is ignored AF1 e LOD Configures the CW 80 to remember LATCH to Transmit on Demand any weight AF data once the PRINT key is pressed and the two criteria are met The scale must not i be in motion at standstill and must be within the scale s weighing range NOT Over Under range If either of these two criteria is not met then the PRINT request is stored until the criteria is met the printout will occur at that time e CONT Configures the CW 80 to automatically transmit current weight data with each A D update 25 Hz at 9600 baud rate or higher The transmission rate is lower for lower baud rates You specify the printing from the PRTOUT parameter For the PRTOUT CCC the format is slightly modified by adding motion status when PMODE CONT versus PMODE TOD LOD etc e API Configures the CW 80 to perform automatic transmission of serial data each time the scale settles out of motion at a value that is within the scale s weighing range This transmission happens only one time per weighment When the scale reading goes into motion again data output is again enabled and transmission occurs when the scale comes to a standstill again e AP2 Configures the CW 80 to perform automatic transmission of serial data each time the
108. software protocol for the CW 80 by assigning an address to the EDP port in the Serial menu The address assigned must be a 2 digit integer between 00 and 99 Since the RS 485 protocol requires that each device has a unique address all remote commands sent to a checkweigher must be initiated as shown below lt SOH gt lt ADDRESS gt lt COMMAND gt lt CR gt an EDP serial command character ASCII carriage return character 2 digit address 00 99 of the Optionally a lt CR gt lt LF gt may be receiving CW 80 sent If the address of the incoming command matches the port address of a CW 80 listening on the RS 485 network that CW 80 responds For demand outputs the protocol is as shown below lt STX gt lt RESPONSE gt lt CR gt ASCII 02 Response ASCII 13 decimal decimal commands from character or CW 80 lt CR gt lt LF gt 13 10 For example suppose you wish to send a remote command from an ASCII terminal to call up the current target value of ID 005 of a particular CW 80 on the RS 485 network After checking the appropri ate command reference table you determine that XTG is the correct command to use Assume the CW 80 s address is 65 After consulting an ASCII chart you determine that the keyboard equivalent for the SOH character 02 is CONTROL A and the CR character is ENTER Therefore from the terminal you press lt CONTROL A gt
109. sses the OVER key and enters the Ov 1 value Weights falling between these limits will be in the ACCEPT range All other tolerance values Un 1 2 Un 2 Ov 1 2 Ov 2 controlling the Under m E Ph unl Ov 1 lt rc r Accept Over LED display lights are pre g O set by the installer at SETUP time Operator Numeric Entry Required UNDER Un2 Ov2 370 70 mm mn a CLL ILI LIL J LoL Installer Configured Graduation dd Values PUSH TO TOLERANCE SET mode PTT SET Mode combines both methods acquired and digitally set for establishing the ACCEPT band The Un 1 value is first acquired as 3 in PTT mode on previous page This Checkweigher Acquired or Operator Entered Weight Values acquired value can then be altered by pressing UNDER again and digitally modifying the value Ov 1 operates in a similar fashion All other tolerance values Un 1 2 Un 2 Ov 1 2 Ov 2 controlling the Under Accept Over LED display lights are pre set by the installer at SETUP time mam 310 LP val Ov 1e UNDER Ov2 Tma mr mm FF LALA LILI L Installer Configured Graduation dd Values 5 4 CW 80 Checkweigher Installation Service Manual Displaying and Setting Over and Under Tolerance Values This section explains how to set or alter the values that define the ACCEPT band When in OU SET mode the operator uses keypad buttons to digitally set or alter Over Ov 1 and Under Un 1 values around the ACCEP
110. stable scale before transmission will always have this condition satisfied Zero Band Selects the range of weight which may be zeroed off the scale This is done by either pressing the ZERO key or by using automatic Zero Tracking Z TRAC See the Z TRAC menu for a description of the automatic Zero Tracking function Z BAND selections are either 2 of full scale or 100 of full scale The reference point at which the Zero Range is centered is the Start Up Zero acquired at power up continued Configuration 3 7 Table 3 1 continued SETUP menu Menu Item Parameter Description Z TRAC OFF V Zero Track Sets the condition for the CW 80 to perform automatic adjustments of the 0 5 dd Acquired Zero When the condition is satisfied the adjustments are made simulta ZE AL 1 0 dd neously The following conditions must be met for Zero Tracking to occur 2 0 dd e Standstill for more than 1 second 3 0 dd e Current gross weight within Z TRAC grads of center of zero If satisfied the CW 80 makes the current weight reading the new Acquired Zero The parameter choices indicate how many displayed graduations may be Zeroed OFF the scale Selecting OFF disables Zero Tracking Maintenance of Gross Zero is allowable only up to the limits set by Z BAND See Z BAND definition THRESH OFF Zero Threshold Allows you to select a threshold or reset point where automatic 0 5 dd printing functions reset themselves to be retr
111. stallation Service Manual 12 x 12 Base Assembly Ref Part Description I 14951 Screw cap 1 4 28NF x 3 8 100 lb only 2 14920 Screw overload protection 8 32NC x 1 4 3 35128 iii Foot 1 4 20NC 4 14645 J am nut foot 5 35066 Bottom subassembly 6 15220 siii Rivet sealing 7 16863 Label bench scale 30 and 60 Ib models 7 16907 Label bench scale 100 lb model 8 35069 naci ino Cover top 12 x 12 9 35068 Top subassembly 10 15148 Washer lock 8 SS 11 14963 Screw cap 1 4 20NC x 3 4 30 and 60 Ib 11 14956 Screw cap 1 4 20NC x 1 2 100 lb 12 15410 Spirit level bubble plastic 13 30780 Load cell RL1380 30 kg 30 lb model 13 130779 Load cell RL1380 50 kg 60 lb model 13 40964 Load cell RL1042 100 kg 100 lb model 14 15132 Washer lock 8 SS 15 14857 Screw pan head 16 15408 Grommet rubber 3 16 ID 17 T6l4L vinci Cable tie 18 2197 Bolt overload spring 30 lb model 18 14984 Bolt overload spring 60 lb model 18 3519 Bolt overload spring 100 Ib model 19 2194 Spring overload 30 lb model 19 35086 Spring overload 60 lb model 19 35200 Spring overload 100 lb model 20 15149 Washer flat SS 21 14634 Nut nylon insert 1 4 20NC SS 22 35082 Shim load cell 30 and 60 lb models 22 19089 Shim load cell 100 lb model 23 1540
112. status of various current parameter values When you enter this type of EDP command the CW 80 will respond All available inquiry commands response formats and related syntax parameters are described in Table 6 2 Table 6 2 INQUIRY COMMANDS REQUESTING STATUS XS XMIT STATUS COMMAND RT RECALL TARE COMMAND XTG XMIT TARGET COMMAND XO XMIT OVER COMMAND XU XMIT UNDER COMMAND XT XMIT TARE COMMAND x XMIT DATA COMMAND XW XMIT WEIGHT DATA COMMAND XC XMIT CURRENT TOLERANCE STATUS XTA XMIT ALL TARES COMMAND XTGA XMIT ALL TARGETS COMMAND XOA XMIT ALL OVERS COMMAND XUA XMIT ALL UNDERS COMMAND XS XMIT STATUS COMMAND The XS command requests the CW 80 to transmit the current status CW 80 Response Format STX G NI TIL K 0 Z G M SI O O A U EOL Where STX is the one ASCII character 02 Hex for Start of Text G N is the one character indication of current weight display mode G for Gross Weight N for Net Weight T is the one character indication of whether the scale is at or above a 1 of full scale threshold A T for greater than or equal to 1 of full scale and a space for less than 1 of full scale will be inserted at this position in the status response L K O Z G is the one character indication of the current displayed unit of measure K for kilograms G for grams L for pounds
113. supports the platter Lifting by the spider may damage the load cell Lift the scale from under the base to move it A Caution If rear panel is removed align rear panel gasket holes carefully to prevent driving a screw through the gasket and causing a leak Tighten screws to 15 in lbs in alternating pattern shown below 9 2 4 68 O 05 60 Back panel screw tightening sequence Torque screws to final value of 15 in lbs Ba 1 ls as 3 Sua Unpacking and Assembly 1 When opening the shipping carton notice that the indicator head and support column or stand are shipped detached from the scale platform 2 Remove all assemblies from the shipping carton Notice that the head and scale platform are joined by a load cell cable This cable is correctly wired to the load cell terminal in the indicator head Do not to pull with excessive force on the connections at either end of this cable 3 If mounting the head onto a column remove the platter from the scale platform and set aside 4 Invert the platform so you have access to the column mounting bolts on the rear and bottom of the platform Remove the four bolts 5 Position the column over the platform mounting holes Install the four bolts and tighten them snugly Install the two feet provided in the hard ware kit onto the column 6 Turn the CW 80 Checkweigher upright and replace the platter on the
114. t Formats When the PRINT key is pressed or when an Auto Print occurs the printout parameter PR OUT allows you to select a specific print format There are four possible print formats available TOL SSF CCC and LFT You can also use the EDP port to send a print command in a selected format Each command is represented by a specific serial format Tables 7 1 through 7 4 describe the syntax and related parameters for each of the possible print formats Sample printouts are shown in the left margin by each table Table 7 1 TOL tolerance output format Units kg g lb oz see following page for Ib and oz units print format Print Format lt STX gt POL DATA lt SP gt KG G LB OZ lt SP gt GR NT O U ST lt EOL gt Where lt STX gt is the ASCH START OF TEXT character 02 Hex POL is the polarity indicator 1 single character ASCII 20 Hex space if a positive weight reading ASCII 2D Hex minus sign if negative weight DATA is a 7 character field with including decimal point for weight data Data is right justified with leading zeros padded left with spaces 20 Hex lt SP gt 1s the ASCII SPACE character 20 Hex KG G LB OZ _ is the 1 2 character indication of the current unit of measure KG for kilograms G for grams LB for pounds OZ for ounces GR NT is the 2 character indication of current weighing mode GR for gross weights NT fornet weights O A U is the 1 character indication
115. ter for the ID number Example nnn would be 025 for the 25th ID register continued Using the EDP Port 6 11 Table 6 2 continued INQUIRY COMMANDS REQUESTING STATUS rr SP Command Format Key represents a separate field of information gt represents literals which will appear as shown STX nnn POL DATA UNITS EOL Response Format Where is ASCII literal text 3A Hex is the polarity or sign of the Tare value space 20 Hex for positive values 2D Hex for negative values is a seven character field with including decimal point for Tare value data Data is right justified with leading zeros padded left with spaces 20 Hex is the ASCH character for space 20 Hex is the one two character indication of the current unit of measure kg for kilograms g for grams Ib for pounds oz for ounces Ib oz use special format See XTG command for full details is either CR or CR LF depending on serial port setting for End of Line Termination XTGA XMIT ALL TARGETS COMMAND This sequence requests the CW 80 to transmit a list of all stored Target values by ID number Only valid Targets will be transmitted STX G 001 POL I DATA UNITS EOL STX G 002 POL I DATA UNITS EOL STX G nnn POL DATA SP UNITS EOL is the one ASCII cha
116. tion 3 3 SETUP Menu chart The following figure provides a graphic representation of the CW 80 Checkweigher Setup menu structure In the actual menu structure the settings you can choose under each parameter are arranged horizontally To save page space menu choices are sometimes shown arranged vertically with the factory default indicated by a check mark Figure 3 4 Setup menu SE UP SEMAL CALIb EESE umes HSEAbLEH 2 bAnd H2 erACHEHrESHHO LOROS PSHbUE gt OFF D f 2PCV OFF V Jl 0 5 dd FS 0 dd V 0 5 dd 100 PC 0 5 dd a 1 0 dd FS 1 dd 1 0 ddv 1 0 dd J 2 0 dd FS 9 dd 2 0 dd l 2 0 dd Jy 3 0 ddV J FS 2 PC 3 0 dd L 3 0 dd j 10 dd 5 0 dd y on 10 0 dd YE QueryungerfeeroyumestPrineHERre HeArBeEH td l ON V ON V ON V ON V ON V ON V ON V ONV OFF OFF OFF OFF OFF OFF OFF OFF Hidden if Hidden if ALT Lis OFF ALT 2 is OFF JEFALE AUTO HALE 2 ALEJ ALE a AL mE o I I SEL UN A CA to F PressIDor SSS T i TARGET key E Press ID or Press ZERO to select unit i TARGET key key to enter to select unit number The active 7777777777777 red unit light Load factor LF is in terms of of default indicates the i unit grads i choice E i Press TARE key to view i Default may ere or lb
117. ts Reserved RICE LAKE WEIGHING SYSTEMS 230 WEST COLEMAN STREET RICE LAKE WISCONSIN 54868 USA CW 80 Checkweigher Installation Service Manual
118. ts and Parity Selects the number of data bits and parity for the serial port Port for EDP Communications Selects either RS 232 or RS 485 serial communications protocol RS 485 appears only if it has been purchased and factory installed End of Line Characters Selects how a line of data transmitted through the serial port ends It does not indicate which EOL termination to expect with incoming transmissions End of Line Delay Sets the delay period in seconds from when a formatted line is terminated to the beginning of the next serial output This allows the CW 80 to communi cate with peripheral equipment with little or no receive buffers Address Sets the address of the CW 80 for bidirectional serial communications within a network Set the address number with the navigational keys and then enter the number with the ZERO key When a nonzero address is assigned the CW 80 interprets and executes serial commands intended solely for it When the address is not O but the serial command is intended for CW 80 00 broadcast all CW 80s interpret and execute the serial commands but they do not acknowledge receipt of the serial command The default setting for ADDR is 00 but 00 should never be selected as the checkweigher s address continued 3 12 CW 80 Checkweigher Installation Service Manual Table 3 2 continued SERIAL menu Menu Item Parameter Description PFUNCT TODV eTOD Transmit on Demand Transmit
119. ts as a Left Arrow key when navigating through the Configuration menu tree When used in the Configuration mode the TARGET key moves to the left one position within the Configuration menu tree allowing you to view other parameter choices on the same level ID key The ID key is used to select a particular Over Under Tare Units register set to be retrieved altered saved used etc RIGHT ARROW key As a secondary function the ID key also acts as Right Arrow key when navigating through the Configuration menu tree When used in the Configuration mode the ID key moves to the right one position within the Configuration menu tree allowing you to view other parameter choices on the same level Introduction 1 5 1 6 NET wet ZERO 90 Y moron Y nec Front Panel Annunciator Lights Table 1 4 describes the functions of the front panel annunciator LEDs Table 1 4 Front Annunciator LEDs NET ZERO MOTION NEG NET LED When illuminated this LED indicates that the displayed weight is the NET Weight or that the CW 80 is in the NET weight display mode and that a Tare value is being applied to the current Gross weight reading ZERO Center of Zero LED When illuminated while in the Gross weight display mode this LED indicates that the current displayed weight reading is within 0 25 display division dd of the acquired Zero or is within the Center of Zero Band When in the Net wei
120. tting TARE OVER UNDER values TARE key The TARE key performs one of several predetermined Tare functions dependent on the mode of operation selected Setup options include the following list below See TARE description in section 3 for more information This key has secondary functions when using ID storage and when setting TARE OVER UNDER values In SET Mode Allows direct tare value entry via front keypad incrementing or decrementing as directed until the desired Tare value is displayed The last Tare value displayed is stored after 3 seconds of inactivity In PTT push to tare Mode Acquires Tare value by pressing TARE key Positive gross weight on platter at the time TARE key is pressed is acquired The display shifts to the Net mode NET LED is illuminated and a NET weight of 0 in the current unit of measure is displayed Pressing the TARE key at Gross Zero removes the tare from the system in this mode DIS disabled Disables the Tare function The NET weight display mode is disabled Entry of Tare values is not permitted Weighing is by gross weight only CW 80 Checkweigher Installation Service Manual See the Over bar graph LEDs on the front panel Figure 1 1 See the Under bar graph LEDs on the front panel Figure 1 1 ARE See the Accept bar graph LED on the front panel Figure 1 1 Table 1 3 continued OVER key UP ARROW key OVER key The OVER key allows the display of the c
121. ue is displayed the OV 1 2 operator uses the Up and Down keys to increment or decrement the displayed value OV 2 Once a 3 second keypad inactivity interval has passed the CW 80 locks in the current displayed value as the Over 1 or Under 1 value Rather than wait for the 3 second timeout you can also press TARGET or ID to store the value The word STORED appears on the display for 1 second This mode disables the TARGET key OU PTT UN 1 2 Over Under Push to Tolerance mode Pressing the OVER or UNDER key instructs the CW UN 2 80 to acquire the current weight reading as the Over 1 value or Under 1 value It displays the OV 1 2 word STORED and stores the acquired weight reading in the appropriate Over or Under OV 2 value register This mode disables the TARGET key PTT SET p GE UN 1 2 Push to Tolerance and Over Under Set mode This mode combines features of the OU Ptt UN 2 mode and the OU SET mode Over 1 and Under 1 values are first acquired from weight on OV 1 2 the platter as in the OU Ptt mode the operator may then view those values by pressing the OV 2 OVER or UNDER keys Then by direct keypad manipulation of the keys beneath the displayed digits he may adjust the displayed Over Under value as in the OU SET mode Once a 3 second keypad inactivity interval has passed the CW 80 locks in the current displayed value as the Over 1 or Under 1 value Rather than wait for the 3 second timeout you can also press TARGET or ID to st
122. ure the possible selections are oz lb g and kg The lb oz unit is not allowed as a start up default unit as the CW 80 will not calibrate with Ib oz as the default ALT X SEL UN ALT X Allows you to set up any of the alternate units of measure Note that ALT2 is A hidden unless ALT1 is active not set to OFF and ALT3 is hidden unless ALT2 is active AL y To configure an alternate unit of measure select the unit from the following list of AA parameter options kg g lb oz lb oz and OFF The default is OFF ALE 2 LF Load Factor ae Next select the desired load factor LF A load factor is a ratio of the number of A a m E 3 i graduations that an ALT X unit has in relation to the DEFALT unit of measure 1 L i SPSS Shea For example if the CW 80 is configured so that the DEFALT unit of measure will use Note 2000 grads then a load factor of LF 0 90 will result in an alternate unit using 90 of i that number of grads 0 90 x 2000 grads 1800 grads Similarly a LF 1 10 will utilize If alternate units are set up do not 2200 grads 1 10 x 2000 grads change any parameters for the DEFALT unit which would affect Note The display shows the standard resolution load factor LF for the unit selected calibration graduations count by You can press the TARE key to view an alternate resolution load factor for the unit display divisions or de oe alp oint selected Select either the standard or alternate resolution load factor Choosing a l
123. urrent Over tolerance value or allows setting the Over tolerance value See Displaying Setting Over Under Tare Values As a secondary function the OVER key also acts as an Up Arrow key while in the Configuration mode UP ARROW key When in the SET mode or when selecting an ID number pressing this key establishes an upward direction for modifying the value When in the Configuration mode the Up Arrow key moves up one level in the Configuration menu tree locking in the value displayed UNDER key DOWN ARROW key UNDER key The UNDER key allows the display of the current Under tolerance value or allows setting the current Under tolerance value As a secondary function the UNDER key will also act as an Down Arrow key while in the Configuration mode DOWN ARROW key When in the SET mode or when selecting an ID number pressing this key establishes a downward direction for modifying the value When in the Configuration mode the Down Arrow key moves down one level in the Configuration menu tree allowing you to view a current param eter setting TARGET key When the CW 80 is set up in Target mode the TARGET key is used to acquire a weight value from the platter and assign it as the desired Target value The CW 80 then computes the Under and Over values based on predetermined tolerance settings defined during configuration LEFT ARROW key As a secondary function the TARGET key also ac
124. urrent unit of measure K for kilograms G for grams L for pounds O for ounces O A U is the 1 character indication of Over Accept Under status O if Over LED is illuminated A if Accept LED is illuminated U if Under LED is illuminated lt EOL gt is either lt CR gt or lt CR gt lt LF gt depending on serial port setting for End of Line Termination Advanced Features 7 5 Table 7 3 CCC consolidated controls output format CCC Sample Print Outs CCC Non continuous Gross 1 690 LB GR Print Formats CCC Non continuous Net 1 490 LB NT Where CCC Continuous Gross 1 690LG lt STX gt POL CCC Continuous Net 1 490LN DATA LB KG OZ G L K O G GR NT G N ST lt EOL gt Non continuous or continuous transmission Non continuous STX POL DATA lt SP gt LB KG OZ lt SP gt GR NT lt EOL gt Continuous STX POL DATA L K O G N ST lt EOL gt is the ASCII START OF TEXT character 02 Hex is the polarity indicator 1 single character ASCII 20H space if positive weight reading ASCII 2DH minus sign if negative weight reading is a 7 character field including decimal point for weight data Data is right justified with leading zeros padded left with spaces 20 Hex is the 1 to 2 character indication of the current unit of measure for any PMODE setting except CNT KG for kilograms G for grams LB for pounds OZ for ounces lt SP gt for lb and oz is t
125. von PS E E on NET Net r lt SES kg woe I a Gid JN a tte qu aa wor E Y m Gif Y Y m A a Gid am AEE Qn aR EER 4am S 6 45B NEG 074 Ou gt 0 UNITS Q D E ZERO UNITS PRINT TARE Introduction 1 3 1 4 Keypad Functions and Related Displays Table 1 3 describes CW 80 front panel keys and related display functions Table 1 3 Front Panel Keys ZERO key The ZERO key sets the current Gross weight to Zero provided the amount of weight to be removed or added is within the specified Zero Range and scale is not in motion The Zero Band can be either 100 or 2 of full scale capacity This key has secondary functions when using ID storage and when setting TARE OVER UNDER values UNITS key The UNITS key switches the weight display to an alternate unit The alternate unit is defined in the Setup menu and could be kg g Ib oz or Ib and oz Conversions of the weight reading the Tare value the Over value and the Under value occur when the unit of measure is changed with the UNITS key This key has secondary functions when using ID storage and when setting TARE OVER UNDER values PRINT key When enabled the PRINT key sends on demand serial information out the serial port provided the conditions for standstill are met The Print Out parameter defines the format for printed information This key has secondary functions when using ID storage and when se

SURVIVOR CW-80 - Rice Lake Weighing Systems

Contents

Download Pdf Manuals

Related Search

Related Contents