Toho-electronics TTM-00BT Bedienungsanleitung PDF herunterladen (Seite 19)

7.9.3 Communications procedure

This product returns a "response message" in response to a "request message" from a high-level

computer. It therefore does not initiate a transmission.

上位コンピュータ

本器

要求メッセージ

上位コンピュータが

送信

本器が

送信

上位コンピュータが

送信

本器が

送信

０∼２５０ｍｓ１ｍｓ以上

応答遅延時間

「2.8 応答遅延時間の設定」参照

「3.7.1 送受信タイミング」参照

「3.7.2 要求間隔」参照

7.9.4 Message types

n Messages are roughly divided into the following types:

Read request message

Write request message

Store request message

Request message (transmitted

from a high-level computer)

Response message (transmitted

from this product)

Receipt acknowledgement and data

response

Write complete response

Reception error and error description

response

Store complete response

: Response when a normal "request message" is received

: When a received "request message" contains an error

"7.9.5 1)", "3.5.1"

"7.9.5 2)", "3.5.2"

"7.9.5 3)"

"7.9.6 1)"

"7.9.6 2)"

"7.9.6 3)"

"7.9.6 2)"

n All codes (except for BCC) from STX and data to ETX are expressed in ASCII codes.

n In assembling a program for a high-level computer, see "6. Table of identifiers" and "7.9.13.

Table of ASCII codes" at the end of the book.

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 34 35

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