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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Toshiba RS-485, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Toshiba RS-485 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Toshiba RS-485. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Toshiba RS-485 should contain:
- informations concerning technical data of Toshiba RS-485
- name of the manufacturer and a year of construction of the Toshiba RS-485 item
- rules of operation, control and maintenance of the Toshiba RS-485 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Toshiba RS-485 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Toshiba RS-485, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Toshiba service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Toshiba RS-485.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Toshiba RS-485 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
1 PROGRAMMABLE CONTROLLER PROSEC T1 RS232C/RS485 MULTI-DROP ADAPTER CU111 n USER ’ S MANUAL T1 connection cable T1 side connector Type identification Status LEDs RS485 Terminal block[...]
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Page 2
2 Precaution and Checks Thank you for purchasing a TOSHIBA product. Please confirm the product has arrived in good condition and use it according to this guide. This guide has been prepared for users who have general knowledge of the programmable controllers and control systems. If any parts of this guide are not clear to you,contact TOSHIBA agent.[...]
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Page 3
3 CU111 Specifications 1.Overview Connecting the RS232C/RS485 multi-drop adapter (CU111) to the T1 ’ s programmer port, you can use the RS485 computer link function. By this function, long-distance and one -to- N communications become available. 2.Specifications (1)Function specification Item Specification Connection RS232C DIN - 8pin (T1 program[...]
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Page 4
4 CU111 Installation 3.Installation 1.Installing the adapter Either DIN rail or screw mounting is available. The length of the T1 connection cable is 30cm. Consider the cable length when installing the multi-drop adapter. Please read the installation section of the T1 user ’ s manual. M o u n t i n g A d a p t e r D I N r a il b r a ck e t (Screw[...]
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Page 5
5 CU111 Configuration 4.System configuration example PROSEC T1 TOSHIBA MDR16 OUT IN PROSEC T1 TOSHIBA MDR16 OUT IN PROSEC T1 TOSHIBA MDR16 OUT IN …………………… 5.Circuit configuration RS485 Gate Controller Supervisor of Power Suplly R TXA RX1 TXB CRS1 RXA RTS TRM TX1 RXB SG P5 GND/SG T1 Connection Cable RS485 Terminal Block Multi-drop ad[...]
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Page 6
6 CU111 connection 6.Computer Link (RS485) interface (1)Computer Link (RS485) signal name and pin assignment (2)Computer Link (RS485) interface connection Short between RXA(Pin No.3) and TRM(Pin No.4) for termination of one-to-one configuration at CU111. Refer to the next page. Note ¬ Use the shielded twisted-paired cable for noise immunity and gr[...]
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Page 7
7 CU111 Connection (3)Computer Link signal and connect termination registors PROSEC T1 TOSHIBA MDR16 OUT IN Connect cables according to the above diagram. Short between RXA and TRM(TERM) for termination at the end of both CU111 and ADP- 6237B. PROSEC T1 TOSHIBA MDR16 OUT IN PROSEC T1 TOSHIBA MDR16 OUT IN PROSEC T1 TOSHIBA MDR16 OUT IN Connect cable[...]
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Page 8
8 TOSHIBA INTERNATIONAL (EUROPE) LTD. 1 Roundwood Avenue Stockley Park, Uxbridge Middlesex, ENGLAND UB11 1AR Tel: 0181-756-6000 Fax: 0181-848 4969 TOSHIBA INTERNATIONAL CORPORATION Industrial Division 13131 West Little York Road Houston, TX. 77041, U.S.A. Tel: 713-466-0277 Fax: 713-466-8773 UG-TS01***-E011 1997-02(2) TOSHIBA INTERNATIONAL CORPORATI[...]