TOHO TTM-000W Series, Operation Manual

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3.5 Explanation about Codes
■ The following codes from ① STX, ② Address, up to ⑩ Error Type will be expressed in ASCII code:
■ See "10. List of ASCII Codes" for the details about ASCII codes.
■ To convert into ASCII code, see "4. Sample TOHO Communications."
① STX
It is a code that is necessary for the receiving side to detect the start of the message.
It shall be attached to the start of the character string to be sent.
② Address
It is an address of the device that will be communicated by the upper computer (this product).
The address in the response message from this product indicates the source of the response
message.
③ Contents of Request
Set the symbol R, W, L, or B.
R: If the data is to be read from the product
W: If the data is to be written or saved into the product
Ｌ: If the blind setting is to be read from the product
Ｂ: If the blind setting is to be written into the product
④ Identifier
It is a classification symbol (identifier) of the data to be read or written that will be
expressed by the 3-digit alphanumeric characters.
See "9. List of Identifiers (Codes)."
⑤ Numerical Data
It is a data for reading or writing which will be expressed in 5-digit characters regardless
of the data type.
Negative data: The symbol "-" is considered one digit to be displayed at the largest digit.
Position of decimal point: Decimal point will not be included in the 5-digit data.
Example: 5-digit numerical data "-1999" means the following:
Settings
Meaning of Numerical
Value
Data of which the posi-
tion of decimal point can
be changed (PV/SV), etc.
If the position of decimal point [_ dP]
is 0
-1999
If the position of decimal point [_ dP]
is 0.0
-199. 9
If the position of decimal point [_ dP]
is 0.00
-19. 99
If the position of decimal point [_ dP]
is 0.000
-1. 999