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All safety messages are identified by the following, “WARNING” or

“CAUTION”, of ANSI Z535.4 (American National Standard Institute: Product

Safety Signs and Labels). The meanings are as follows:

WARNING

A potentially hazardous situation which, if not avoided,

could result in death or serious injury.

CAUTION

A potentially hazardous situation which, if not avoided,

may result in minor or moderate injury.

This is a hazard alert mark.

This manual is subject to change without notice, at any time, to improve the

product.

The contents of the product specifications and this manual are subject to

change without any obligation on the part of the manufacturer.

Under the copyright laws, the software (program) described in this manual is

The software may be installed into one computer and may not be installed

into other computers without the prior written consent of A&D Company,

Limited. Copying includes translation into another language, reproduction,

conversion, photocopy and offer or loan to another person.

2019

No part of this publication may be reproduced, transmitted, transcribed, or
translated into any language in any form by any means without the written
permission of A&D Company, Limited.

Содержание AD-8551R

Страница 1: ...1WMPD4003931 AD 8551R AD 8551R Modbus RTU Convertor Modbus RTU Convertor ...

Страница 2: ...he contents of the product specifications and this manual are subject to change without any obligation on the part of the manufacturer Under the copyright laws the software program described in this manual is copyrighted with all rights reserved The software may be installed into one computer and may not be installed into other computers without the prior written consent of A D Company Limited Cop...

Страница 3: ... 12 Factory setting 12 RS 485 function settings 13 RS 232C function settings 15 Fixed decimal point function 16 8 LED status error display 17 9 Communicaiton in Modbus RTU Mode 18 Preparing for communication 19 Data address 20 Detailed information on Holding Register 1 21 DetailedinformationonHoldingRegister2 onlyforAD 4212C AD 4212D 22 Communication format 23 Operating example When connected to t...

Страница 4: ... 8551R can be used by selecting either Modbus RTU communication Modbus RTU mode or ASCII code command communication command mode The measurement value can be reset to zero re zero by operation from the PLC or PC When connected to an AD 4212C and AD 4212D etc it is possible to change the response speed perform calibration with an external weight and supply power from the weighing device The hooks o...

Страница 5: ... not water resistant type Flammable Gas Do not install the convertor where flammable gas is present Heat Radiation Of The Module Space out instruments to radiate heat sufficiently Do not use in an environment where the ambient temperature exceeds the operating temperature range 10 to 50 85 RH or less no condensation This unit is covered with a transparent plastic protective cover at the time of sh...

Страница 6: ...ket Model AX 35505 6200 A Made by 3M 35505 6200 A00 GF Front panel side DIN rail mounting example DIN rail groove DIN rail width 35mm Rear panel side Pull down when removing from DIN rail DIN rail hook Vent hole Vent hole DIN rail groove RS 232C connector DC power connector RS 485 connector LED Status display part Switch ...

Страница 7: ...nection to weighing device Refer to 6 1 RS 232C specifications Communication connector 5 pin male Made by 3M 35605 5153 A00 For RS 485 interface D Sub 9 pin male For RS 232C interface Operating condition 10 to 50 Max 85 RH no condensation External dimensions 35 W x 110 H x 101 D Mass Approximately 170g Accessory RS 485 connector power clamp wire mount socket 1 piece Dimensions 110 35 3 100 39 4 34...

Страница 8: ...X KO1710 200 ４ HR HR 03 Included with weighing device AX KO1710 200 ４ FC i Unnecessary AX KO2466 200 ４ HC i HC 03i AX KO1786 200 ４ Eki Ewi Unnecessary AX KO2466 200 ４ EJ EJ B EJ 03 AX KO2466 200 ４〇 EK L Unnecessary AX KO2466 200 ４〇５ HV CWP HVW 03CWP AX KO3285 320 ４〇〇〇 HV C HV CP HW C HW CP HVW 03C AX KO2466 200 ４〇〇〇 HV G HW G HW WP Unnecessary AX KO1786 200 ４〇〇 FG FG 23 FG 24 AX KO1786 ...

Страница 9: ... for the power supply of this unit The power line of this unit should be dedicated for this unit and be separate from other drive devices If strong noise is generated from the power line of another device this unit may be damaged This unit may not start normally due to the inrush current of other drive devices Depending on the circuit configuration of this unit other drive devices may not operate ...

Страница 10: ... to 1 5 mm2 Applicable wire AWG AWG24 to AWG16 Solder plated wire 0 2 mm2 to 1 5 mm2 Stranded wire 0 2 mm2 to 1 5 mm2 Bar crimp terminal DIN 46228 Part 1 0 25 mm2 to 1 5 mm2 Bar crimp terminal With color DIN 46228 Part 4 0 25 mm2 to 0 75 mm2 Length 8 mm Internal connection status Power wire Button part to push when inserting and removing Bar crimp terminal DC power input terminal Approx 820kΩ SLD ...

Страница 11: ... connection spring connector Refer to 4 3 Internal connection status Communication specifications Item Communication method SW 2 No 3 Modbus RTU mode Command mode Baud rate SW 1 No 1 2 9600 19200 38400 115200bps Data bit 8 bit fixed Parity SW 1 No 3 4 EVEN ODD NONE Stop bit 1 bit fixed Terminator A silent interval of at least 3 5 character times CR LF fixed Terminating resister SW 5 No 1 Built in ...

Страница 12: ...s to be purchased additionally Connecting method of cable and connector Connect the two signal lines DATA DATA in twisted pairs and wire the shield of RS 485 to the SLD terminal If the host device does not have a signal ground the SG terminal connecting is not necessary Insert the lead wire all the way in to the cover yellow portion without peeling off the cover of the lead wire Push the cover int...

Страница 13: ...ividual weighing device Refer to 3 2 Applicable models Connection diagram When connected to a weighing device １ Depending on the weighing device RXD and TXD may be shown on the opposite side weighing device output TXD weighing device input RXD ２ May vary depending on the weighing device Pin No Signal Direction Description 1 Vs Input Input of power supply 0V １ 2 RXD Input Received data 3 TXD Output...

Страница 14: ...ttings at the factory setting are as follows Refer to 7 3 RS 485 function settings 7 4 RS 232C function settings for the settings that need to be changed SW 1 SW 2 SW 3 SW 4 SW 5 Item Factory setting value Switch status at factory setting RS 485 baud rate 9600 SW 1 No1 0 SW 1 No2 0 RS 485 parity EVEN SW 1 No3 0 SW 1 No4 0 RS 232C baud rate 2400 SW 2 No1 0 SW 2 No2 0 RS 485 communication method Mos...

Страница 15: ...400 bps Setting prohibited 115200 bps NONE Settings for the RS 485 communication method The RS 485 communication method of the AD 8551R can be selected from two types communication using Modbus RTU Modbus RTU mode and communication using ASCII code command mode SW 2 No 3 RS 485 communication method Mode Setting status Modbus RTU mode Command mode 1 0 SW 1 1 0 SW 2 ...

Страница 16: ...ss Setting status SW 3 SW 4 Setting prohibited 0 01 1 02 2 03 3 04 4 05 5 06 6 07 7 08 8 09 9 10 A 11 B 12 C 13 D 14 E 15 F 16 0 17 1 18 2 19 3 20 4 21 5 22 6 23 7 24 8 25 9 26 A 27 B 28 C 29 D 30 E 31 F 32 0 33 1 34 2 35 3 36 4 37 5 38 6 39 7 40 8 41 9 42 A 43 B 44 C 45 D 46 E 47 F 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 56 8 57 9 58 A 59 B 60 C 61 D 62 E 63 F SW 4 SW 3 1 0 ...

Страница 17: ... when several units are connected Single connection Multi drop connection RS 232C function settings Communication setting SW 2 No 1 No 2 Baud rate RS 232C Baud Rate Setting state 2400bsp 4800bps 9600bps 19200bps 1 0 SW 5 1 0 SW 2 Connect termination resistors only at the ends of the network Weighing device Weighing device Weighing device Weighing device ground ground ...

Страница 18: ... value Setting of decimal point position AD8551R internal data Weighing value Holding Register 40 2001 to 2002 Decimal point position Holding Register 40 2005 to 2006 123 456g 2 12345 2 3 123456 3 AUTO １ 123456 3 123 45g 2 12345 2 3 123450 3 AUTO １ 12345 2 SW 5 No 2 to No 4 １ Depending on the output of the weighing device the number of digits stored in the weighing value Holding Register 40 2001 t...

Страница 19: ...ize RS 485 communication errors Place Display Color Status 1 RUN Blue Illuminates when the AD 8551R is powered on Flashes when the RS 485 or RS 232C communication settings are incorrect Refer to the following RUN illumination status Error display 2 RXD Yellow Flashes when the AD 8551R receives data from the weighing device 3 SD Green Flashes when the AD 8551R is transmitting data to the host 4 RD ...

Страница 20: ...s necessary to instruct data acquisition by Coil and to load and unload the weight on the weighing instrument AD 4212D External weight １ Built in weight After instruction by Coil the holding register monitors until calibration is completed １ When changing the weight value to be used refer to the instruction manual of the individual weighing device Notes on Modbus RTU communication with AD 8551R Th...

Страница 21: ...8551R are the same Setting item Host PLC PC etc AD 8551R Baud rate 9600 19200 38400 115200 bps Data bit 8 bit Parity EVEN ODD NONE Stop bit 1 bit Terminator No communication for 3 5 charavters Refer to 4 2 Connecting example 5 2 Connections 6 2 Connecting cable for connecting Normally when using the AD 4212C AD 4212D power can be supplied from the RS 232C terminal so connecting to the power termin...

Страница 22: ...ed weighing device and returns the Coil status to 0 0 is output when performing reading ２ The operation differs depending on the weighing device Refer to 3 2 Applicable models or the operation manual of the individual weighing device for the operation with that weighing device Holding Register address map Data address Holding Register R W Item Description Absolute address Communication address Dec...

Страница 23: ...Processing rezero 1 2003 04 No function 2003 05 Calibration in progress flag 1 During calibration process 1 2003 06 Calibration error flag 2 1 If the measured calibration weight value is not appropriate during calibration It returns to 0 when the weighing mode is entered 2003 07 to 15 No function 2004 01 to 15 １ Flag does not change when operated with keys of the weighing device ２ Can be used only...

Страница 24: ...Waiting for weighing of calibration weight 0x00000004 Weighing calibration weight 0x00000005 Calibration completed 0x00000006 Calibration error Calibration weight value Holding Register 40 2019 to 2020 When executing calibration sensitivity adjustment with your own weight the value of the calibration weight can be checked The unit is gram and the decimal point is none Only when Waiting weighing of...

Страница 25: ...on Header None No communication for 3 5 characters Device address 0x01 Function code 0x05 Start address Upper 0x07 0x07D3 2003 Note that address for communication is 1 less Start address Lower 0xD3 Conversion data Upper 0xFF Conversion data Lower 0x00 Error check 0x7CB7 Trailer None No communication for 3 5 characters Response from the device Field name Example Hexadecimal Description Header None ...

Страница 26: ...7D0 2000 Note that there are 40 0001fewer addresses for communication Start address Lower 0xD0 Conversion data Upper 0x00 Conversion data Lower 0x02 Error check 0xC486 Trailer None No communication for 3 5 characters Response from the device Field name Example Hexadecimal Description Header None No communication for 3 5 characters Device address 0x01 Function code 0x03 Number of data bytes 0x04 Da...

Страница 27: ... status information at the same time If they are read separately the weighing value status cannot be judged because the correspondence between the weighing value and weighing value status information may differ depending on the update timing ２ If the decimal point position or unit is changed or if the smart range function is used perform step 1 and 2 as necessary Re zero zero reset execution examp...

Страница 28: ...d Wait until 0x00000000 １ Normally changes immediately after setting 1 to Coil in the previous step ２ If the weighing device is unstable sensitivity adjustment is not performed and it automatically shifts to weighing status 0x00000000 ３ If the weighed calibration weight value is not appropriate calibration error 0x00000006 will occur After that it automatically shifts to weighing status 0x00000000...

Страница 29: ...Setting to output the weighing value with an external command key mode etc Factory setting of the AD 8551R normally factory settings of AD 4212C AD 4212D are same １ If each weighing device is set to automatically output data auto print interval mode etc multiple devices may communicate simultaneously with RS 485 and may not communicate normally ２ With the AD 4212C it is necessary to change the dat...

Страница 30: ...ument connected to device address 01 0 1 Q CR LF 0 1 S T 1 2 3 4 5 6 7 _ _ g CR LF Q CR LF S T 1 2 3 4 5 6 7 _ _ g CR LF Example of re zeroing the weighing instrument connected to device address 01 0 1 R CR LF R CR LF Caution Some weighing devices do not respond to requests for weighing data during rezero processing Wait for the rezero process to finish and request the weighing data again Host PLC...

Страница 31: ...UN LED is flashing RS 232C or RS 485 communication error Confirm whether RS 232C or RS 485 is in error 1 and change the communication settings SD LED does not flash Confirm the signal contents from the host Is the AD 8551R set to command mode Does the device address specified on the host side match the device address set on the AD 8551R Is the content sent from the host suitable for the command mo...

Страница 32: ...D 8551R set to command mode Does the device address specified on the host side match the device address set in the AD 8551R Is the content sent from the host suitable for the command mode format Send the same content as 10 2 Communication format from the host Confirm that the weighing device is connected and set correctly Is the cable properly connected to the RS 232C terminal Is the correct cable...

Страница 33: ...treet Thebarton South Australia 5031 AUSTRALIA Telephone 61 8 8301 8100 Fax 61 8 8352 7409 A D KOREA Limited 한국에이 엔 디 주 서울특별시 영등포구 국제금융로6길33 여의도동 맨하탄빌딩 817 우편 번호 07331 817 Manhattan Bldg 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 121357 Российская Федерация г Москва ул Верейская дом 17 Business Center Vereyskaya Plaza...

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