Toho-electronics TTM200 Manuel d'utilisateur télécharger pdf (Page 4)

1. Before using the product

1.1 On this operation manual

This is an operation manual regarding communications with a TTM-200 Series (hereinafter referred

to as "this product").

1.2 Conditions for communications

The communications function of this product incorporates loader communications as standard

equipment. RS-485 communications, however, is optional.

If you need RS-485 communications, therefore, you should specify a communication option

(RS-485).

1.3 What can be done with communications

With this product, users can write and read items specified in "10. Table of identifiers (codes)," such

as "reconfiguring, starting, or stopping items that are operable with the front keys" and "reading

information displayable on the display."

However, reading and writing with ordinary commands are performed with regarding to the RAM in

this product. Written data can be turned back into the values before the writing (the values stored on

the EEPROM) by turning power off and on again. To store the written data on the EEPROM of this

product, execute a store request message. (See "Communications precautions." in chapter 3.6, 6.6

and 6.11.)

Settings regarding options not added and other unnecessary settings cannot be read or written.

1.4 Positioning communications (priority ranking)

Data and parameters in this product can be changed with keys while in operation in the

communications mode.

While this product is in operation in the 0 (write disabled) mode, no data or parameter setting can be

changed by communications. (Provided that communications modes can be changed.)

1.5 Setting before communications

Before performing communications, this product must be set. See "2. Settings regarding TOHO

communications" and "5. Settings regarding MODBUS communications."

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Toho-electronics TTM200 Manuel d'utilisateur Page 4