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Avery Weigh-Tronix 7820-50, Инструкция пользователя

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7800 Family User Instructions

31

   

6 Communication

The 7800 family scales come factory configured with one communication port, however 
the data can be transfered out of the base using one of the following interface devises: 

1 serial RS232, 1 USB VCP or 1 USB HID

Only one of these interface devises can be used from the scale at a time.

Below are the connections present on a 7820 and a 7880. Other models will have one 
of these two layouts except for the 7885, which does not have either of the USB 
connectors.

RS232

There is one 9-pin DE type female connector accessible at the rear of the unit. The 
functional pinout of this connector is compatible with a standard PC with a pass through 
cable.

Scale baud and parity needs to be set to the default setting 96E (baud 9600, Parity: 
even) as shown in 

Baud Rate and Parity Options on page 19

.

USB VCP 

Allows the base to connect directly to PC using the USB port connection.

PC USB port still needs to be setup to match scale baud rate communications. 

Due to height restrictions on the low profile 7885, this model only comes with one 
RS232 interface device.

7820

7880

RS232

USB HID

USB HID

USB VCP

Remote Display

USB VCP

Remote 

Display

RS232

Содержание 7820-50

Страница 1: ...Model 7800 Family Weight Classifiers User Instructions AWT35 501540 Issue AA...

Страница 2: ...ions of a two dimensional work and the making of a copy in two dimensions of a three dimensional work stored in any medium by electronic means or transmitted in any form or by any means including elec...

Страница 3: ...rforming a Normal Weighment 14 Operation Controls 15 Chapter 5 Accessing the Menu Mode 16 Accessing the Gravity Mode 16 Menu Mode 16 Gravity Mode 18 Alternative Calibration Points 18 Baud Rate and Par...

Страница 4: ...4 7800 Family User Instructions...

Страница 5: ...oft keys Displayed messages appear in bold italic type and reflect the case of the displayed message 1 1 2 Special messages Examples of special messages you will see in this manual are defined below T...

Страница 6: ...e plug cable assembly Care must be taken to make sure that the degree of protection provided by the socket is suitable for the environment DANGER RISK OF ELECTRICAL SHOCK NO USER SERVICEABLE PARTS REF...

Страница 7: ...in Injury place the machine on a surface which is ergonomically satisfactory to the user Take frequent breaks during prolonged usage IMPORTANT This equipment must be routinely checked for proper opera...

Страница 8: ...peration of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense This digital apparatus d...

Страница 9: ...dels 7824 7829 7840 7880 United States NTEP 95 121 Canada Ministry of Industry AM 5099 For use as a Class III device from 5 C through 40 C Model Capacity lb Capacity kg n max 7820 50 7820 70 7820 75 1...

Страница 10: ...o 95 RH non condensing Construction Model 7820 Die cast aluminum base with a stainless steel weigh platter Overload protection Adjustable center stop fixed corner stops Model 7885 Painted mild steel b...

Страница 11: ...termination Sealing Access to the calibration switch can be secured with a lead wire or pressure sensitive security seal The remote and primary indicators have no metrological features that require th...

Страница 12: ...to guide construction Model 7820 Scale Dimensions Min Cut Out Dimensions D 12 5 in 31 7 cm 13 25 in 33 7 cm W 14 in 35 6 cm 14 75 in 37 5 cm H 4 1 in 10 4 cm Adjustable to 4 6 in 11 7 cm Model 7880 S...

Страница 13: ...m W 24 in 61 0 cm 24 75 in 62 9 cm H 4 6 in 11 7 cm Adjustable to 5 1 in 12 9 cm 3 Loosen the collars or jam nuts on the leveling feet Level the scale by using the level bubble under the scale platter...

Страница 14: ...ero weight and the scale is ready for use 1 With the scale powered on make sure the scale platter is empty and the display is at zero If it is not press the ZERO key 0 00 is displayed 2 Place an item...

Страница 15: ...is key also functions as YES or ACCEPT in the Menu Mode and as the DECREASE key in the Gravity Mode Figure 4 3 Optional Remote Display All NCI 7800 bench scales except the 7885 can have an optional re...

Страница 16: ...tion Figure 5 1 7820 switch location Figure 5 2 7824 7829 7840 7880 7885 switch location 5 2 Menu Mode With Switch 1 in the Menu mode or OPEN position there are four modes available to you They are as...

Страница 17: ...eturns to DIAG mode If scale is placed in noisy environment set slow filter to minimize the effects SCALE LOAD 0 LOD CAP DONE RE CAL ROUND RESO 150 02 75 02 150 05 75 01 lb selections kg selections CL...

Страница 18: ...sing less than full capacity weights See Table 5 1 for alternative weights that can be used to calibrate your scale for its designated capacity Table 5 1 Alternative Calibration Points Capacity Altern...

Страница 19: ...isplay Baud Parity 12 E 1200 Even 24 E 2400 Even 48 E 4800 Even 96 E 9600 Even 19 2 E 19 2K Even 12 o 1200 Odd 24 o 2400 Odd 48 o 4800 Odd 96 o 9600 Odd 19 2 o 19 2K Odd 12 n 1200 None 48 n 4800 None...

Страница 20: ...counts of displayed resolution AZT is disabled Areas to view current configuration settings are Filter Protocol Baud Capacity Type Units Prtout and Gravity Setting Follow these steps to access the te...

Страница 21: ...ion DIVISION TEST W AZT enabled 11 Press the TEST key to perform this test The display shows the weight on the scale at a resolution of 100 000 counts 12 Press the TEST key to stop the test DIV A is d...

Страница 22: ...stands for baud rate 21 Press the TEST key The current baud rate and parity selection is displayed 22 Press the ZERO key CAP is displayed This stands for capacity 23 Press the TEST key The current ca...

Страница 23: ...filtering SLO should be chosen in areas susceptible to vibration Choose FAST filtering for more stable conditions Baud BAUD Choose a baud and parity from Table 5 2 on page 19 Protocol PROT Select the...

Страница 24: ...ess the ZERO key until PROT is displayed 9 Press the TEST key The current RS232 communication protocol is displayed 10 Press the ZERO key to scroll through the choices When the choice you want is disp...

Страница 25: ...to the scale These options are selectable in the CONF setup menu PROT and are as follows AUTO 1 Weight is automatically transmitted after weight is removed from the scale platform The last stable wei...

Страница 26: ...TEST button will retain its test function i e will not be redefined as a SEND key when displayed weight is at zero as indicated when the Center Zero indicator is on 3 While in AUTO 1 AUTO 2 or manual...

Страница 27: ...libration points can be chosen using the ZERO key to scroll between choices see Table 1 7 Place the appropriate calibration weights on the scale and press the TEST key After a brief wait DONE is displ...

Страница 28: ...correct value is displayed simply return Switch 2 to the CLOSED position The scale will now use this new relationship between calibration and local gravity for its weight calculations 5 11 Re Calibra...

Страница 29: ...TEST key The current capacity resolution setting is displayed 17 Press the ZERO key until desired capacity resolution is displayed 18 Press the TEST key to select a new capacity resolution 19 Close Sw...

Страница 30: ...LOC GR PRTOUT CAL GR Displays the scales model number program version revision and performs a display test Performs a test of RAM run time memory Performs a test of ROM program memory Performs a seria...

Страница 31: ...he USB connectors RS232 There is one 9 pin DE type female connector accessible at the rear of the unit The functional pinout of this connector is compatible with a standard PC with a pass through cabl...

Страница 32: ...n 6 1 Communications Enabled Serial commands will be responded to only when the scale is in the normal operating mode and Switch 1 on the main board is in the CLOSED position Driver required when conn...

Страница 33: ...sing ANSI standard abbreviations 6 4 Standard Commands W CR Scale Response LF xxxx xxuu CR LF hh CR ETX Results Returns decimal weight with units plus scale status S CR Scale Response LF hh CR ETX Res...

Страница 34: ...agnostics only Scale Response xxxxxx div A CR or xxxxxx div n CR Results Returns weight normalized to 100 000 division with AZT on off Protocol must be set for NCI and the scale must be in the DIAG di...

Страница 35: ...form the following steps in the order presented until the described problem is corrected If the problem cannot be corrected contact your Avery Weigh Tronix service provider No Power Display is Blank 1...

Страница 36: ...4 Replace the display board 5 Replace the main board Display shows under _ _ _ _ _ dashes Indicates that the scale is below zero or under capacity 1 Verify that weigh platter is on the scale 2 Press...

Страница 37: ...heck cable connection at both the rear of the scale and the host device 2 Check communication setting and baud rate on both scale and software 3 Perform I O loopback test 4 Replace the cable 5 Replace...

Страница 38: ...ly 1148 15535 RS232 Cable 1140 13842 7820 50 Loadcell 7154 16335 50 7820 70 Loadcell 7154 16333 100 7820 75 Loadcell 7154 16335 100 7880 50 Loadcell 7154 16365 75 7880 75 Loadcell 7154 16365 100 7885...

Страница 39: ......

Страница 40: ...A Tel 507 238 4461 Fax 507 238 4195 Email usinfo awtxglobal com www averyweigh tronix com Avery Weigh Tronix UK Foundry Lane Smethwick West Midlands England B66 2LP Tel 44 0 8453 66 77 88 Fax 44 0 121...

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