Avery Weigh-Tronix WI-150 Скачать руководство пользователя страница 32 | Manualshive

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WI-150 AC/DC INDICATOR

PC BOARD IDENTIFICATION/DESCRIPTION

29

WI-150 INDICATOR MAIN PC BOARD

P/N 28569-0020

Main PC Board Description

The main board consists of a motorola microprocessor
IC (U1), control circuitry (U2 & U8), random access memory or RAM (U3),
Read only memory or EPROM (U4), display drivers (U9 & U11), display (DS1),
And the monitoring of the front panel switches through U13.

BARRIER POWERED A/D PC BOARD

P/N 28476-0014

AC/DC Analog to Digital Board Description

This board consists of weight voltage amplifiers (U1 & U2), reference voltage amplifier (U6),
Switching circuitry (U3), a dual slope ratiometric integrator (U4), a comparator (U5), analog to
Digital control logic circuitry (U4), comparator (U5), analog to digital control logic circuitry (U7 & U8),
And the analog circuitry voltage supply (U9 & U10).

Board Check Chart

(use chasis gnd. For reference)

Description

Test Location

Voltage

+VDC analog

U4 pin 7

+5VDC +/-5%

-VDC analog

U4 pin 4

-5VDC +/-5%

+Excitation

P1 pin 1

+5VDC +/-5%

-Excitation

P1 pin 6

OVDC

Amplified Input

U2 pin 2

+0.13VDC (no load)

Amplified Input

U2 pin 2

+3VDC (3mv/v)

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Содержание WI-150

Страница 1: ...WI 150 Ultra Low Power Weight Indicator Service Manual ...

Страница 2: ...ed by it will be of the kind and quality described in the order or contract and will be free of defects in workmanship and material Should any failure to conformtothiswarrantyappearintwoyears Weigh Tronix shall at its option either repair or replace any defective part This warranty is in lieu of all warranties of merchantibility fitness for particular purpose or any other warranties express or imp...

Страница 3: ...ar 20 Master Clear Menu 20 Reset Menu 21 Disassembly and Reassembly 22 Indicator Parts and Assembly 25 Cable to PC Board Connection 26 System Block Diagram 27 PC Board Identification 29 BP 150 Battery Pack and Charger Parts and Assembly 31 PS 150 Power Supply 115VAC 230VAC Parts Assy 32 PS 150XP Power Supply Main Board Parts and Assembly 33 SC 150 Remote Control Parts Assembly 34 SC 150 Option Boa...

Страница 4: ...r set any of the following parameters if the unit is so configured cutoff control pushbutton tare one to ten keyboard tare registers one to eight cutoff values identification number time date Any combination of these items can be secured behind a security code Any items secured by the code number can be viewed but not changed Opera tions mode is fully explained in the User s Manual Use this mode t...

Страница 5: ...lues Sealing the Indicator The WI 150 can be sealed If sealed no configuration items can be changed in the configuration menu Seal the unit by placing switch S1 1 in the OFF position Unseal the unit by placing S1 1 in the ON position Remove the front panel of the indicator to gain access to switch S1 1 The switch is located near the center of the PC board behind the display and looks like the diag...

Страница 6: ...ters a pushbutton tare in gross net operation During data entry this key is used to toggle between positive and negative values Used to enter a dash in ID numbers Accesses the gross net weighing mode from any other function and toggles the unit between gross and net weights assuming there is an active tare weight TARE 0 0 0 0 0 9 9 9 9 9 keypad to MENU SELECT PRINT GROSS NET ...

Страница 7: ...n of selecting ON or OFF Choosing the OFF option under a unit of measure disables that unit of measure If a unit is disabled it will not appear in the configuration menu under CAPACITY or DIVISION nor will you be able to choose it during weighing procedures Also if gallons is disabled DENSITY will not appear in the configuration menu Setup Scale Units Capacity Pounds 1000g Gallons This menu sectio...

Страница 8: ...ble AZT during net weighing operations ON or disable it OFF The gross weight must be zero for AZT to work in net mode Setup Scale Units Capacity Division Density Zero Stability A Z T Update This option sets the display update rate You may choose from among 1 2 or 5 times per second Setup Scale Units Capacity Division Density Zero Stability A Z T Update Average This option allows you to choose the ...

Страница 9: ...6 Figure 2 Configuration Menu ...

Страница 10: ...7 Key Available only when SC 150 is enabled Default values ...

Страница 11: ...s not zero Default yes Setup Scale Options Control Tare ID Cutoffs Hour With this option you can choose to have the clock disabled OFF or the mode of clock you want You can choose the 12 hour clock display or the 24 hour clock display If the clock is disabled HOUR will not appear in the SECURITY section of this menu and DAY will not appear in the OPTIONS or SECURITY section of this menu Setup Scal...

Страница 12: ...e printing and if printing is timed out a recovery menu is presented If Other is selected data are transmitted without affecting the front panel operation Setup Scale Options Security Serial A B Print Button Enquire Auto With auto print enabled the indicator automatically transmits data when the scale weight stabilizes at greater than 1 of capacity To print again scale weight must fall below 1 of ...

Страница 13: ...nformation The next several pages deal with the layout of your printed output The rest of the documentation on configuration follows this layout section You may print eight items Time Date ID number Gross weight Net weight Tare weight Displayed weight Custom wording you choose There are eight print commands you use to print these eight items They are Print Command Item Print Command Item HOUR Time...

Страница 14: ...ws the default ASCII string under the 1 ASCII print command Table 1 shows the relationship between this sequence of codes and the output of the printer You can change the ASCII string or delete it entirely to suit your needs To delete an ASCII print command from the layout menu you first need to delete the entire ASCII string which is stored in that ASCII print command Find complete instructions f...

Страница 15: ... double wide characters until a carriage return 14 Makes double high characters until a carriage return 87 W 69 E 73 I 71 G 72 H 45 84 T 82 R 79 O 78 N 73 I 88 X 32 Space 87 W 73 I 45 49 1 53 5 48 0 13 Carriage return CR 10 Line feed LF 15 Sets next line s characters to double wide Figure 6 Layout Submenu 2 HOUR or 4 DAY ...

Страница 16: ...g an ASCII print command after the ASCII codes are deleted Deleting a non ASCII print command from the layout menu Inserting a print command in the layout menu Adding ASCII codes to an ASCII string For example to delete the hyphen in WEIGH TRONIX you need to delete the ASCII control code for the hyphen In Table 1 you can see that this is 45 In Figure 5 the 9th ASCII control code is code 45 With 9 ...

Страница 17: ...let s reinsert HOUR in the 2 position Display 2 ASCII the menu item currently in the 2 position Press The layout submenu shown in Figure 7 appears Scroll through the menu by pressing MENU When HOUR is displayed press SELECT 2 HOUR is displayed showing that it has been inserted in the second position 2 ASCII becomes 3 ASCII etc For example let s say you ve just created a new ASCII print command in ...

Страница 18: ...rol Codes NOTE NOTE NOTE NOTE NOTE To repeat a control code a number of times enter the control code a decimal then the number of times you want it repeated Spaces letters or carriage returns can easily be repeated this way ...

Страница 19: ... 3 or 4 key to increase the output and by pressing the 5 6 7 8 or 9 key to decrease the output The number on the display gives a visual representation of the zero setting with 00 000 being the nominal value The zero adjustment has a 10 range 10 000 to 10 000 on the display Selecting FULL lets the operator adjust the span of the analog output for the full capacity weight reading The keys and the nu...

Страница 20: ...e dead load 1 Enter the test menu by pressing and holding the MENU key until TEST is displayed Then proceed to the A to D display by following the directions in the box below 2 While A to D is displayed press PRINT SELECT 3 Access the junction box on your scale and adjust the zero balance potentiometer until the indicator displays a zero weight or an amount very close to it The dead load offset is...

Страница 21: ...et go of the MENU key until SET UP is displayed or else TARE will be displayed If this occurs press the GROSS NET key to return to Weigh ing Mode and begin again at Step 1 3 Press MENU to display ADJUST 4 Press SELECT to display ZERO 5 You are now in the Configuration Menu and may calibrate your system To move around within the Configuration Menu follow the instructions printed in the box below Sp...

Страница 22: ... weight on the scale Press SELECT A number is displayed 8 Key in the weight now on the scale and press SELECT BUSY is displayed briefly and then the weight 9 Press MENU twice to advance to DISPLAY 10 Press SELECT to see the displayed weight without exiting the configuration menu Setting ZERO and SPAN Calibration Make sure you have the proper amount of weight keyed in and the proper amount of weigh...

Страница 23: ... 2 Press SELECT 0 is displayed 3 Enter in the security code number 150 then press SELECT CODE NO is displayed You must enter the security code number before you can reset any items 4 Press MENU RESET is displayed From here you can access the rest of the menu items the same as you do for all the other menus If SETUP ADJUST or DATA are set to defaults they will not appear in the menu If SETUP ADJUST...

Страница 24: ... the choices use the MENU key to toggle between the choices When the correct choice is displayed press SELECT then press GROSS NET to save If you choose to reset some choices but not all the unit will return to weighing mode when you press GROSS NET If nothing is corrupted no choices are flashing you can return to weighing mode by pressing SELECT while END after RESET is displayed The following ar...

Страница 25: ...e unit is not connected to a power source and remove the indicator from the stand by removing the two nuts pointed out in Figure 7 Figure 7 Removing the indicator stand 2 Remove the 12 nuts pointed out in Figure 8 Figure 8 Separating face and back of indicator Disassembly and Reassembly ...

Страница 26: ...plugged into the main PC board by pulling them up and away from the main card See Figure 9 Figure 9 PC board layout 6 To remove the main PC board remove the five screws pointed out in Figure 9 and pull the card up and away from the front panel 7 Replace any defective components and reassemble by reversing the disassembly procedure ...

Страница 27: ...24 ...

Страница 28: ...0028 1 14 Main Pc Bd Assy w display 28569 0020 1 15 Front Panel Gasket 28886 0018 1 16 Weight Sensor conn cable Assy 19572 0040 1 17 Power conn cable Assy 28967 0010 1 18 Neoprene Pad 19563 0025 2 19 Strain Relief 15257 0024 2 20 Nut Special 10 32 26513 0013 2 21 Capnut 10 32 15786 0016 10 22 Tooth Washer 15698 0088 2 23 Capnut 15771 0070 2 24 Flat Washer 16163 0066 2 25 Capacitor 0 01 UF 100V 156...

Страница 29: ...WI 150 INDICATOR AC DC BARRIER POWERED CABLE TO PC BOARD CONNECTION and CABLE PIN OUTS 26 ...

Страница 30: ...WI 150 AC DC INDICATOR BATTERY POWERED CABLE TO PC BOARD CONNECTION 27 ...

Страница 31: ...WI 150 INDICATOR SYSTEM BLOCK DIAGRAM 28 ...

Страница 32: ...DC Analog to Digital Board Description This board consists of weight voltage amplifiers U1 U2 reference voltage amplifier U6 Switching circuitry U3 a dual slope ratiometric integrator U4 a comparator U5 analog to Digital control logic circuitry U4 comparator U5 analog to digital control logic circuitry U7 U8 And the analog circuitry voltage supply U9 U10 Board Check Chart use chasis gnd For refere...

Страница 33: ...analog voltage supply circuitry U13 U14 Q8 Q10 and excitation circuitry Q1 Q7 POWER SAVER PC BOARD P N 28178 0023 Battery Powered Power Saver Board Description This board provides the control timing circuitry for the analog to digital board It Activates the analog circuitry as needed to reduce power consumption I O ANALOG CUTOFF W CLOCK FIBER OPTIC PC BOARD P N 28181 0036 Clock Fiber Optic Board D...

Страница 34: ...ss y 28440 0017 1 6 Fuse amp 15453 0083 1 7 Fuse holder 15455 0018 1 8 Power Cord not shown 17790 0016 1 9 Rubber Bumper Ass y 18056 0013 4 BC 150 BATTERY CHARGER MAIN PC BOARD P N 28243 0016 The PC board changes the supplied AC voltage to a DC output When connected this DC output is used to charge a battery pack such as the WEIGH TRONIX BP 150 The board senses the level of the battery pack and tu...

Страница 35: ...22381 0011 1 9 Connector 23229 0031 1 10 Connector Socket 23229 5014 2 11 Intrinsic Safety Barrier 27435 0016 1 12 Bus Bar Ass y 27435 1006 1 13 Cable Ass y 29271 xxxx 1 POWER SUPPLY ASSEMBLY P N 29482 xxxx new style ITEM NO DESCRIPTION W T P N QTY 1 Power Supply PC Board 115vac 28237 0014 1 2 Power Supply PC Board 230vac 28237 0022 1 3 Cover 29456 0024 1 4 Cable Strain Relief Ass y 22380 0046 1 5...

Страница 36: ...MAIN PC BOARD PARTS AND ASSEMBLY 33 PS 150XP POWER SUPPLY P N 48171 0010 115V 0028 230V PS 150 PC BOARD P N 28237 0014 115VAC 0022 230VAC The PS 150 PC board converts either 115vac or 230vac input to a regulated output of 13 5vdc with no load ...

Страница 37: ... 1 9 Fuse A 115VAC 15453 0083 1 10 Fuse holder 15455 0016 1 11 Varister 16046 0010 2 12 Connector 23229 0064 1 13 Connector Socket 23229 5014 4 14 Power connector filter Assy 3 amp 27387 0022 1 15 Power Cable not shown 17790 0016 1 16 Transformer 27434 0165 1 17 Analog Interface Board Assy 28234 0017 1 18 Cutoff Interface Board Assy 28228 0015 1 19 Parallel Interface Board Assy 28821 0016 1 20 RS ...

Страница 38: ...SC 150 REMOTE CONTROL OPTION BOARD MAIN BOARD 35 ...

Страница 39: ...ote Special software is required for RS 485 communication CUTOFF I O INTERFACE BOARD P N 28228 0015 This board provides multiple low current logic controlled outputs for switching external devices on or off at pre Programmed or operator selected levels Remote inputs for operations such as printing or zeroing the indicator are also available ...

Страница 40: ...able for RS 232 communications Current Loop 3 or 4 wire Communication RS 422 communication or RS 485 full or half duplex communications There are set and reset inputs to accommodate an external or remote print switch Note Special software is required for RS 485 communication PARALLEL OUTPUT BCD BOARD P N 28821 0016 The Parallel BCD Output board provides latched parallel BCD data for peripheral dev...

Страница 41: ...SC 150 REMOTE CONTROL SYSTEM BLOCK DIAGRAM 38 ...

Страница 42: ...DIMENSIONS AND PC BOARDS 39 RS 422 PC BOARD P N 45788 0011 The Fiber Link RS 422 Serial Interface board allows the weight indicator to communicate via fiber optic cables with peripheral devices such as a printer computer or programmable controller ...

Страница 43: ...a printer computer or a programmable controller The Fiber Link communicates to the weight indicator via fiber optic cables RS 232 PC BOARD P N 45164 0015 The Fiber Link Serial Interface provides a serial communication link between a Weigh Tronix weight Indicator and a peripheral device such as a printer computer or programmable controller Bi directional communication between these devices is accom...

Страница 44: ...ectors U1 Fiber Optic receiving port P1 Provides the output signal from the Cutoff Fiber Link to the Analog Fiber Link via a 2 wire cable when both Fiber Link options are required in an installation P2 Connector for 18 VAC wall mount transformer W T P N 45035 0038 The Cutoff Board changes the 18VAC Into 28 VDC which is capable of supplying up to 167mA of current for the operation of relay coils Th...

Страница 45: ...WI 150 INDICATOR KEYPAD AND SCHEMATIC 42 ...

Страница 46: ...USA 1000 Armstrong Dr Fairmont MN 56031 USA Telephone 507 238 4461 Facsimile 507 238 4195 e mail industrial weigh tronix com www weigh tronix com 217 Brunswick Blvd Pointe Claire QC H9R 4R7 Canada Telephone 514 695 0380 Facsimile 514 695 6820 Weighing Products Systems Weigh Tronix Weigh Tronix Canada ULC ...

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