Toho-electronics TRM-006A Bedienungsanleitung PDF herunterladen (Seite 15)

4. Examples of TOHO communications

4.1 Examples of communications to be read

Example: Request message: This requests this product set at address 27 to read the PV.

(High-level computer)

In response to that,

Response message: This returns PV data (00777).

(This product)

Read request message (transmitted from the high-level computer)

Code Code, data ASCII code, note 2)

① Start code STX 02H

② Address 27 32H 37H

③ Request contents R (Read) 52H

④ Identifier, note 1) PV1 50H 56H 31H

⑤ Numerical data 00777 30H 30H 37H 37H 37H

⑥ End code ETX 03H

⑦ BCC data request 61H

response 02H

⑧ Acknowledge code ACK 06H

Note 1): See "9. Table of identifiers (codes)."

Note 2): For the ASCII codes, see "10. Table of ASCII codes."

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Toho-electronics TRM-006A Bedienungsanleitung Seite 15