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A&D AD-8923-BCD, Инструкция по эксплуатации, Страница: 15 / 28

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15 

 

9 8 7 6

(V

a)

(V

s)

SG

TX

D

R

X

D

(C

TS

)

(R

TS

)

(D

S

R

)

5 4 3 2 1

AD-8923-CC

interior

Inch screw

(#4-40UNC)

To the weighing instrument

5.  RS-232C CONNECTOR 

5.1.  RS-232C serial interface specifications 

RS-232C 

Transmission system :  EIA RS-232C 
Transmission form  :  Asynchronous, bi-directional, half duplex 
Data format 

:  Baud rate  :  600, 1200, 2400, 4800, 9600, 19200 bps 

Data bits  :  7 or 8 bits 
Parity 

:  EVEN, ODD (Data bits 7 bits) 

NONE 

(Data bits 8 bits) 

Stop bits  :  1 bit or 2 bits 
Code 

:  ASCII 

Terminator :  <CR> or <CR><LF>

 

 
 
 
 
 
 
 

Circuit 

Connection to the weighing instrument 
D-Sub 9-pin male 

Pin 

No. 

Signal 

name  Direction 

Description 

1 

(Vs) 

−

 

Used internally 

2 

RXD 

Input 

Receive data 

3 

TXD 

Output 

Transmit data 

4 

−

 

−

 

N.C. 

5 

SG 

−

 

Signal ground 

6 

(DSR) 

Input

 

Used internally 

7 

(RTS) 

Output

 

Used internally 

8 

(CTS) 

Input

 

Used internally 

9 

(Va) 

−

 

Used internally 

(The AD-8923-BCD is a DTE device. Connect 
to a DCE device such as the weighing 
instruments, using a straight through cable.) 

 

 

Note 

  When the user prepares a cable, do not connect to the pins that are used internally.

 

0 1 2 3 4 5 6

LSB

MSB

1
0

-5V to -15V
+5V to +15V

RS-232C

Stop bit

Parity bit

Start bit

Data bits

Содержание AD-8923-BCD

Страница 1: ...1WMPD4002137C ...

Страница 2: ...oduced transmitted transcribed or translated into any language in any form by any means without the written permission of A D Company Ltd The contents of this manual and the specifications of the instrument covered by this manual are subject to change for improvement without notice ...

Страница 3: ...ation 10 3 5 Performing Sensitivity Adjustment with the AD 4212C F 10 4 FUNCTION SETTING 12 4 1 Display and keys 13 4 2 Function table 13 4 3 Initializing the AD 8923 BCD 14 5 RS 232C CONNECTOR 15 5 1 RS 232C serial interface specifications 15 6 BCD OUTPUT CONNECTOR 16 6 1 Connector Pin No and Specifications 16 6 2 Fixing of the Decimal Point Position 19 7 TROUBLESHOOTING 20 8 SPECIFICATIONS 21 8 ...

Страница 4: ...ing BCD output Displays the weight data transmitted from the weighing instrument Can change the weighing speed of the AD 4212C D F perform sensitivity adjustment with the AD 4212C D F using an external weight and share the power supply with the AD 4212C D F Note When connected to the following instruments power can be supplied to both instruments by plugging the AC adapter into either the weighing...

Страница 5: ... type is correct for your local voltage and receptacle type See the note below Display Keys Rear View AC adapter input jack DC input terminal BCD connector FG terminal RS 232C connector D Sub 9 pin AD8923 AD8923 AD8923 AD8923 Accessories BCD plug 1 pc AC adapter 1 pc AD adapter ID label Attach the identification sticker for your model to the AC adapter as shown ...

Страница 6: ...o function 2 2 Keys Operates the weighing instrument For details refer to 3 4 Operation To enter the function setting of the AD 8923 BCD press the CAL key while holding down the ON OFF key For details refer to 4 FUNCTION SETTING 2 3 Connectors RS 232C connector D Sub 9 pin male Used for connection to the weighing unit For the proper cable refer to the instruction manual for the weighing instrument...

Страница 7: ...t Communication control No RTS CTS control Data output mode Stream mode Factory setting for the AD 8923 BCD The factory setting for the weighing instrument is the same unless otherwise specified 3 2 Connecting the cables Connect the cables using the connectors located on the rear of the AD 8923 BCD Connection example to the AD 4212C and a PLC Note Be sure to ground the AD 4212C and the AD 8923 BCD...

Страница 8: ...ot function properly Ground the FG terminal of the switching power supply used To avoid electrical shock and increase the system safety To increase the resistance against noises Do not share the power line with other devices Strong noises introduced from other devices may cause damage to the AD 8923 BCD Inrush current from other devices may cause the AD 8923 BCD not to start up properly Circuit co...

Страница 9: ...ual wire diameter φ0 18 mm or greater 2 Securing or removing the power line To secure the power line return the release button to the initial position using the screwdriver The power line will be locked To remove the power line press the release button again using the screwdriver unlocking the power line When the AC adapter is used Insert the AC adapter plug into the AC adapter input jack located ...

Страница 10: ... Select an appropriate weight as listed below A weight of 200 g is provided with the AD 4212C as a standard accessory Weighing instrument Usable weight AD 4212C 300 AD 4212C 301 50g 100g 200 g 300g AD 4212C 600 50g 100g 200 g 300g 400 g 500 g 600 g AD 4212C 3000 AD 4212C 3100 50g 100g 200 g 300g 500 g 1000 g 2000g 3000g AD 4212C 6000 200 g 500 g 1000 g 2000g 3000g 4000 g 5000 g 6000 g AD 4212F 620...

Страница 11: ...int Do not allow vibration or drafts to affect the AD 4212C The weight value is displayed 4 Place a weight of the weight value displayed on the pan and press the PRINT key The AD 4212C measures the weight Do not allow vibration or drafts to affect the AD 4212C 5 is displayed Remove the weight from the pan 6 The display will automatically return to the weighing mode 7 Place the weight on the pan an...

Страница 12: ...second layer is the Item Each item stores a parameter Press the SAMPLE key to select an item and press the RE ZERO key to change the parameter Then press the PRINT key to store the new parameter Example This example sets Baud rate to 9600 bps Note The AD 8923 BCD may not function properly depending on the settings and operating environment Check the settings and change them as necessary While hold...

Страница 13: ...e 4 2 Function table Class Item and Parameter Description Environment Display Decimal point position Not fixed Displays the decimal point position of the weight data received Fixed Fixes the decimal point at the set digit Even if the minimum display is switched using the SAMPLE key the decimal point position does not change For details refer to 6 2 Fixing of the Decimal Point Position to Sample ke...

Страница 14: ...ode display appears 2 While holding down the ON OFF key press the PRINT key is displayed 3 Press the PRINT key To cancel this operation press the CAL key 4 Press the RE ZERO key to select 5 Press the PRINT key to perform initialization After initialization or weighing mode display appears ON OFF PRINT PRINT RE ZERO PRINT Press While holding down Press Press Press ...

Страница 15: ...de ASCII Terminator CR or CR LF Circuit Connection to the weighing instrument D Sub 9 pin male Pin No Signal name Direction Description 1 Vs Used internally 2 RXD Input Receive data 3 TXD Output Transmit data 4 N C 5 SG Signal ground 6 DSR Input Used internally 7 RTS Output Used internally 8 CTS Input Used internally 9 Va Used internally The AD 8923 BCD is a DTE device Connect to a DCE device such...

Страница 16: ...8 12 1 102 Output logic 13 2 Output logic Factory settings 14 4 Data ON 15 8 Polarity Positive or zero ON 16 1 103 Stability Stabilization indicator ON ON 17 2 Over ON 18 4 Strobe Changing data ON 19 8 When changing OFF ON replaces the data 20 1 104 All output open collector withstand voltage 30 V 21 2 no pull up resistor low level output current 10 mA 22 4 23 8 46 1 105 47 2 48 4 49 8 24 1 106 25...

Страница 17: ...imately 5 msec after the strobe changes from ON to OFF All input pins ON is the condition where all input signals are connected to GND Pin 3 When inputting RE ZERO for 100 msec the weighing instrument maintains the re zero state ON OFF 1 0 ON OFF ON OFF Tstr Tstr 100msec After RE ZERO ON OFF Receive data RS 232C BCD output STROBE BUSY RE ZERO Balance interior Input signal GND 3 5V 4 7kΩ Housing Ca...

Страница 18: ...18 Flow chart for inputting data When inputting BCD data follow the flow chart listed below Strobe change from ON to OFF 5msec after Input BCD data START END ...

Страница 19: ...ing the minimum display digit by pressing SAMPLE key the BCD shifts the output left and adds the last digit Example 2 When fixing the decimal point at the third digit position Key Balance output AD 8923 BCD display BCD output 00123460 00123456 Note space 20h When changing the minimum display digit by pressing the SAMPLE key the BCD output does not change the number of digits If the balance outputs...

Страница 20: ...t and the AD 8923 BCD Bar display remains and the weight value is not displayed Is the data output mode of the weighing instrument set to stream mode In a mode other than stream mode the weight values are displayed only when they are transmitted Check if the communication settings are correct Check if the cables are the correct type and are not damaged The display flickers Electrical noise may cau...

Страница 21: ...al voltage and receptacle type Transmission system RS 232C BCD Communications connector D Sub 9 pin male RS 232C connector to the weighing instrument Half pitch 50 pin female BCD connector External dimensions 144 W X 110 D X 72 H mm Net weight Approx 620 g Operating environment 5 ºC to 40 ºC 41 ºF to 104 ºF 85 RH or less No condensation Standard accessories BCD plug 1 pc ...

Страница 22: ...one Use the cable provided for the AD 4212C D 1 AD 4212F None D Sub 9 pin AX KO3590 XXX 2 AD 4212A B GX GF GX K GF K GP GR MC None D Sub 25 pin AX KO1710 200 GX A GF A GX M GF M GX L GF L FZ FX EK i EW i EK L BM GH HR i HR AZ HR A None D Sub 9 pin AX KO2741 180 EJ HV C HV CP HW C HW CP OP 03 D Sub 9 pin AX KO2741 180 HV G HV WP HW G HW WP None DIN 8 pin AX KO1786 200 FG L FG M OP 23 DIN 8 pin AX K...

Страница 23: ...ment using the internal weight GX GX A GX M GX L GX K GP GH FZ MC BM HR AZ Switches the unit displayed 3 GR GF GF A GF M GF L GF K AD4212A B HR i FX HR A EJ EK i EW i EK L FG L FG M FS i SW HV G HV WP HW G HW WP HV C HV CP HW C HW CP 5 Note in the table indicates that the key operation is not available 1 Switching the standby or weighing mode is available for the AD 4212C D F 2 Not available for t...

Страница 24: ...24 116 110 10 100 9 EXTERNAL DIMENSIONS Panel cutout dimensions when panel mounted Unit mm ...

Страница 25: ...25 MEMO ...

Страница 26: ...26 MEMO ...

Страница 27: ...THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 28: ...g 33 Gukjegeumyung ro 6 gil Yeongdeungpo gu Seoul 07331 Korea 전화 82 2 780 4101 팩스 82 2 782 4264 OOO A D RUS OOO ЭЙ энд ДИ РУС Почтовый адрес 121357 Российская Федерация г Москва ул Верейская дом 17 Юридический адрес 117545 Российская Федерация г Москва ул Дорожная д 3 корп 6 комн 8б 121357 Russian Federation Moscow Vereyskaya Street 17 тел 7 495 937 33 44 факс 7 495 937 55 66 A D Instruments India...

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