Toho-electronics TTM-10L Uživatelský manuál stáhnout pdf (Strana 14)

4.2 Examples of communications to be written

Example: Request message: This requests this product set at address 03 to set "the A1F setting to

(High-level computer) 135" (write 135).

(Set the event 1 function to the following: Error alarm type to be PV

error alarm 1, alarm type to be deviation lower limit alarm 3 and

additional function to be alarm hold + standby sequence (5).)

In response to that,

Response message: This returns a notice that the request message has been received.

(This product)

*Check that it has been written by reading the data separately.

Write request message (transmitted from a high-level computer)

Code Code, data ASCII code, note 2)

① Start code STX 02H

② Address 03 32H 33H

③ Request contents W (Write) 57H

④ Identifier, note 1) A2F 41H 33H 46H

⑤ Numerical data 00135 30H 30H 31H 33H 35H

⑥ End code ETX 03H

⑦ BCC data request 56H

response 04H

⑧ Acknowledge code ACK 06H

Note 1): See "7. Table of identifiers (codes)."

Note 2): For the ASCII codes, see "8. Table of ASCII codes."

Response message (returned from this product)

1 2 ... 9 10 11 12 13 14 15 16 17 18 19

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Toho-electronics TTM-10L Uživatelský manuál Strana 14