Subscribe to Our Youtube Channel
Related Manuals for Avery Weigh-Tronix PC-905
Summary of Contents for Avery Weigh-Tronix PC-905
- Page 1 PC-905 Counting Scale PC-905 Service Manual ENGLISH - USA 43003-0015A e2 3.07.2006 *43003-0015*...
- Page 2 Avery Weigh-Tronix is a trading name of Weigh-Tronix, Inc Trademarks and acknowledgements Avery Weigh-Tronix, Avery Berkel, Dillon, NCI and Salter Brecknell are registered trademarks in certain jurisdictions. All third party brands and product names used within this document are trademarks or registered trademarks of their respective holders.
-
Page 3: Table Of Contents
NCI Protocol ..................... 41 Broadcast Protocol ................... 43 Disassembly and Reassembly Instructions ..............44 Removing the Weight Sensor................45 Removing the Optional Remote Scale Card ............ 46 Removing the Main PC Board................47 Technical Illustrations ....................49 PC-905 Counting Scale Service Manual... - Page 4 PC-905 Counting Scale Service Manual...
-
Page 5: Introduction
Introduction This manual contains the information you need to configure, calibrate and service the PC-905 counting scale. This section of the manual is divided into the following areas: • 1.1 - Keyboard and Display (page 5) • 1.2 - Battery power option (page 8) •... - Page 6 Press this key to move left in the menu. • ZERO Zeroes the scale weight or count. Press this key to accept displayed items in the menu. PC-905 Counting Scale Service Manual...
- Page 7 SCALE menu. • TARE Annunciator indicates a tare weight is in effect and displayed weight is net weight. • ZERO Annunciator indicates the scale is at center zero weight. PC-905 Counting Scale Service Manual...
-
Page 8: Battery Power Option
Introduction Battery power option The PC-905 has an internal and an external battery option. The battery can be recharged in place by connecting the transformer to a power source and to the scale. The battery will recharge while the scale is being powered by the transformer. -
Page 9: Accessing The Menu
Figure 1.2. To find this button, remove the scale shroud and seal plate. Do not unseal the scale unless you are absolutely sure. This may require recertification of the scale by your local weights and measures organization. PC-905 Counting Scale Service Manual... - Page 10 Introduction Figure 1.2 Menu access button location PC-905 Counting Scale Service Manual...
-
Page 11: Using The Menu
Using the Menu Because a 7 segment display Access the menu structure by following the steps in the previous section. cannot show all of the alphabet, the The top level of the menu is shown in Figure and includes these items: words on the display are the •... - Page 12 Using the Menu Figure 2.2 Service Menu PC-905 Counting Scale Service Manual...
-
Page 13: Count Menu
Choices: SPL-bul (bulk) and SPL-dri (dribble) AccY-Lo Stands for Accuracy Low. Choose the minimum desired sample accuracy. Reducing sample accuracy allows fewer sample parts. Choices: ACC-Off, ACC-95%, ACC-98%, ACC-99% PC-905 Counting Scale Service Manual... - Page 14 When enabled (ON) all sample procedures will be performed on the internal base regardless of the current active base. Choices: oFF, on PC-905 Counting Scale Service Manual...
-
Page 15: Configuration Menu
Choices: 1, 2, 8, 16 A higher display update rate means more new weight or count values can be displayed per second as load is applied. This means faster response of the display to changes in weight. PC-905 Counting Scale Service Manual... -
Page 16: Calibration Menu
Using the Menu CALIBRATION Menu Use the menu shown in Figure to calibrate the local and/or remote base.. Figure 2.5 CALIBRATION Menu PC-905 Counting Scale Service Manual... -
Page 17: Calibrating The Local Base
Display then shows LoAdxxx. xxx is the full scale capacity. Use the SAMPLE or TARE keys to scroll through the choices for alternate calibration weights for your scale. See the table below. Press the ZERO key when your choice is displayed… PC-905 Counting Scale Service Manual... - Page 18 .005 .002 .001 .0005 .0002 .005 .002 .001 .0005 Capacity (g) Available countby values 5000 12000 25000 50000 Capacity (oz) Available countby values .005 .002 .005 1600 Figure 2.6 Available Countby Values for Local Base PC-905 Counting Scale Service Manual...
-
Page 19: Calibrating A Remote Base
10. Load the mid-span calibration weight and press the ZERO key… bUSY is briefly displayed followed by SPAn2xxxxx. 11. With SPAn2xxxxx displayed, use the default value of 100% or key in the final calibration point. It must be between 10% and 100% of capacity. PC-905 Counting Scale Service Manual... - Page 20 Available countby values .005 .002 .001 .0005 .0002 .005 .002 .001 .0005 100/125/150 .005 .002 .005 1000/1250 2500 5000 10000 Figure 2.7 Available Countby Values for Remote Base (Default values are shown in bold type) PC-905 Counting Scale Service Manual...
-
Page 21: Scale Menu
Auto zero tracking keeps the scale at zero when very small forces act to alter the zero value. StAbLE This stands for Stability. Use this to set the allowable motion for zero acceptance, tare acceptance, printing and the stability indicator. Values are division per second. PC-905 Counting Scale Service Manual... - Page 22 This stands for Over Capacity. Use this to set the overcapacity limit; 9 divisions over full capacity or 102% of full capacity. Weights above this limit will cause upper dashes on the display. Choices: 9d, 102PCt PC-905 Counting Scale Service Manual...
-
Page 23: Serial Menu
If PC or NCI is selected, the output format is determined by the commands received. The broadcast mode selects continuous output of displayed weight or count in a format compatible with the RD-4001 or 6001 remote scoreboard displays. PC-905 Counting Scale Service Manual... - Page 24 10 divisions is added and stable. Auto print re-arms if the weight is removed and is within 10 divisions of zero. Choices: oFF, on This completes the Serial menu item. PC-905 Counting Scale Service Manual...
-
Page 25: Diagnostics Menu
The battery charger should not charge above 6.7 volts. If your reading is higher when AC power is NOT connected, contact your Avery Weigh-Tronix distributor. If the unit is AC powered, the reading will be 7.3 volts. - Page 26 Valid ranges are approximately: Local vibrating beam scale: -50,000 to 2,000,000 Remote Analog scale: -10,000 to 400,000 Remote QDT scale: -50,000 to 2,000,000 If the values seen are significantly different contact your Avery Weigh-Tronix distributor. PC-905 Counting Scale Service Manual...
-
Page 27: Agency Menu
12.5k d or below Stable 1d or below 0-Start 0-Cap If ACCESS = SERVICE then This selection does not effect the settings of the remote base. STATUS = NOSEAL. You can not be SEALED with ACCESS = SERVICE. PC-905 Counting Scale Service Manual... - Page 28 ACCESS setting unless you did 2a before 2b 3) ACCESS is SUPERVISOR and you enter menu from front panel a) ACCESS can only be changed from SUPERVISOR to NO ACC. b) STATUS can be viewed but can not be changed. PC-905 Counting Scale Service Manual...
-
Page 29: Diagnostics 911 Menu
10 divisions of current zero to avoid any hysterisis issues. This counter cannot be reset. AUdit This item lets you view the audit counters for calibration or configuration changes. Audit trails are kept separately for each base. PC-905 Counting Scale Service Manual... - Page 30 This includes all parameters contained within the COUNT, CONFIG, CALIB, SCALE, SERIAL, and SEAL menus. Choices: YES, no rEStorE This item allows you to restore all configuration and calibration values back to the settings of the last SAVE. Choices: YES, no PC-905 Counting Scale Service Manual...
-
Page 31: Error Messages
Unable to perform the requested function CLEAr Press the CLEAR key to return to normal weighing mode ------- (middle segments) Unable to perform automatic zero balance on power-up ------- (upper segments) Over-range condition ------- (lower segments) Under-range condition PC-905 Counting Scale Service Manual... -
Page 32: Communications
Communications Communications This section covers the serial communications capabilities of the PC-905. In this section you will find: Default serial settings are: • 4.1 - Cable Pinouts (page 32) 9600 Baud, 8 databits, No parity, • 4.2 - Preset Print Formats (page 34) and 1 stop bit •... - Page 33 DB-9F Remote Digital Base Input Analog Signal Desc Digital Signal Desc - SIGNAL +7.5 VDC + SIGNAL REC B + EXCITATION XMT B - EXCITATION + SENSE SIG GND XMT A - SENSE REC A SHIELD PC-905 Counting Scale Service Manual...
-
Page 34: Preset Print Formats
I = weight type identifier ‘G’, ‘T’, ‘N’ (gross, tare or net) Ft 1 = Net weight only- WWWW.WW<CR><LF> Ft 2 = Net weight with units- WWWW.WW<SP>UU<CR><LF> Ft 3 = GTN with units- ‘G’<SP>GGGG.GG<SP>UU<CR><LF> ‘T’<SP>TTTT.TT<SP>UU<CR><LF> ‘N’<SP>WWWW.WW <SP>UU<CR><LF> PC-905 Counting Scale Service Manual... - Page 35 Ft 5 = Displayed weight with identifier and units- In COUNT MODE, <SP> CCCCCCC<SP>PCS<CR><LF> In WEIGH MODE, I<SP>WWWW.WW<SP>UU<CR><LF> Ft 6 = Net weight with units, count and piece weight- = WWWW.WW<SP>UU<CR><LF>(Net = or Gross = ) Count = CCCCCCC<CR><LF> Piece Wt = PPPPPP<SP>UU<CR><LF> PC-905 Counting Scale Service Manual...
- Page 36 Communications Ft 7 = Net weight only with polarity and units in a fixed field format. <SP/->WWWW.WWW<SP>UU<CR> Ft 8 = Count only with a fixed field format- COUNT:<SP>CCCCCCC<SP>PCS<CR><LF> PC-905 Counting Scale Service Manual...
-
Page 37: Dymo Label Writer Setra 300 Formats
4.2 Preset Print Formats Dymo Label Writer Setra 300 Formats PC-905 Counting Scale Service Manual... -
Page 38: Zebra 2844 Printer Formats
Communications Zebra 2844 Printer Formats Time and date will appear only if the printer has this option installed. PC-905 Counting Scale Service Manual... -
Page 39: Pc Protocol
Status Bytes below. Value entered is assumed to be in same units of measure as what the scale is currently in. Display messages are limited to seven characters. PC-905 Counting Scale Service Manual... - Page 40 Communications Status Bytes PC-905 Counting Scale Service Manual...
-
Page 41: Nci Protocol
The decimal point position may be different depending on selected capacity and division. There may not be a decimal point in some gram’s unit of measure. The character count will be one more if the decimal point is included. PC-905 Counting Scale Service Manual... - Page 42 Communications The NCI protocol may have three status bytes. The status bits are defined as follows: PC-905 Counting Scale Service Manual...
-
Page 43: Broadcast Protocol
4.2 Preset Print Formats Broadcast Protocol Broadcast protocol will support the use of the RD-4100, RD-6100 and Evolution series indicators as remote displays. The broadcast protocol will output this display string: G<SP>00000<SP>lb<CR><LF> PC-905 Counting Scale Service Manual... -
Page 44: Disassembly And Reassembly Instructions
Disassembly and Reassembly Instructions Disassembly and Reassembly Instructions If it is necessary to service the PC-905, follow these steps and photos for disassembly and reassembly. Disconnect the scale from the power source and remove the scale shroud. Remove the seal plate. See Figure 5.1. -
Page 45: Removing The Weight Sensor
Figure 5.3 Remove the weigh bridge and save the spacer Removing the Weight To remove the weight sensor, remove the connector attached to the sensor pc board, shown in Figure 5.4. Sensor Figure 5.4 Disconnect cable PC-905 Counting Scale Service Manual... -
Page 46: Removing The Optional Remote Scale Card
Removing the Optional To remove the optional remote scale card, remove the two standoffs from the rear of the scale. See Figure 5.6. Remote Scale Card Figure 5.6 Remove standoffs PC-905 Counting Scale Service Manual... -
Page 47: Removing The Main Pc Board
Removing the Main PC 11. To remove the main pc board, remove the standoffs holding the RS- 232 connector. These are located on the back of the scale. See Board Figure 5.8.. Figure 5.8 Remove RS-232 standoffs PC-905 Counting Scale Service Manual... - Page 48 16. Torque the weight sensor bolts to 90 in/lbs. See the sticker on the top of the weigh bridge for torque specs. See Figure 5.10.. Figure 5.10 Torque sticker PC-905 Counting Scale Service Manual...
-
Page 49: Technical Illustrations
55649-0019 I/O Rear Panel Identifi cation Decal (w/ rmt. analog option) 55649-0027 I/O Rear Panel Identifi cation Decal (w/ rmt. digital option) 55649-0035 REF. Serial Tag, “PC-905” 10 lb/5 kg 55534-0058 "I/O PANEL CONNECTIONS" Base 7069-15278-02 Label (patent, power, etc.) - Page 50 PC-905 COUNTING SCALE LOW CAPACITY, 10 lb/5 kg, 12” x 14” BASE DIMENSIONAL OUTLINE DRAWING...
- Page 51 I/O Rear Panel Identifi cation Decal (w/ rmt. analog option) 55649-0027 I/O Rear Panel Identifi cation Decal (w/ rmt. digital option) 55649-0035 Serial Tag, “PC-905” 25 lb/12 kg 55534-0066 Serial Tag, “PC-905” 50 lb/25 kg 55534-0074 Serial Tag, “PC-905” 100 lb/50 kg...
- Page 52 PC-905 COUNTING SCALE HIGH CAPACITY, 25 lb/12 kg, 50 lb/25 kg, 100 lb/50 kg, 12” x 14” BASE DIMENSIONAL OUTLINE DRAWING...
- Page 53 PC-905 COUNTING SCALE DISPLAY TOWER & WALL-MOUNT BRACKET PARTS LIST & DIMENSIONAL OUTLINE DWG. ITEM DESCRIPTION W-T P/N Tower Support Channel (9”) 49658-0010 Tower Support Channel (18”) 49658-0028 Screw, #6 x .38” L 14473-0249 Grommet 15347-0018 Tower Channel (9”) 57309-0016 Tower Channel (18”)
- Page 54 PC-905 COUNTING SCALE DRAFT SHIELD KIT, P/N 7200-15397 (optional) 10 lb / 5kg VERSION ONLY PARTS AND ASSEMBLY ITEM DESCRIPTION W-T P/N SUPPORT POST 1058-15413 SHIELD DOOR 1069-15404 SHIELD TOP PANEL 1069-15404 SHIELD REAR PANEL 1069-15406 SHIELD SIDE PANEL 1069-14604...
- Page 55 PC-905 COUNTING SCALE SYSTEM BLOCK DIAGRAM NOTE: For more detail, see pages showing PC Boards in this manual.
- Page 56 8 hours. 2. Remove the seal plate. (PC-905 display head shown) 3. Remove the two hex-head screws securing the top plate to the weight sensor. 4. Lift off the weigh bridge. Do not lose the weight sensor spacer located between the top plate and the weight sensor. Set this aside for use when reassembling the unit.
- Page 57 PC-905 COUNTING SCALE MAIN BOARD P/N 55481-0010 AND OPTION BOARDS; REMOTE DUAL ANALOG P/N 55505-0012 REMOTE DUAL DIGITAL/485-QDT P/N 55505-0053 PC-905 I/O PANEL CONNECTIONS (VIEWED FROM REAR) EXTERNAL BATTERY...
- Page 58 PC-905 COUNTING SCALE BP-25R Battery/Charger (p/n 46839-0018mts) & Remote Battery Charger (p/n 45913-0076) External cable assemblys and pin-outs SCALE -to- PRINTER & SCANNER CABLE ASSY, P/N 56045-0041 ORIGIN DESTINATION WEIGH-TRONIX COLOR TERMINATION SIGNAL TERMINATION SIGNAL GREEN J9-2 J4-2 WHITE J9-3...
- Page 60 Avery Weigh-Tronix USA 1000 Armstrong Dr. Fairmont MN 56031 USA Tel: 507-238-4461 Fax: 507-238-4195 Email: industrial@weigh-tronix.com www.wtxweb.com Avery Weigh-Tronix UK Foundry Lane, Smethwick, West Midlands, England B66 2LP Tel: +44 (0)870 903 4343 Fax: +44 (0)121 224 8183 Email: info@awtxglobal.com...
Need help?
Do you have a question about the PC-905 and is the answer not in the manual?
Questions and answers