Denso BHT-7500S, BHT-7500W user manual Program Text Format

[ 4 ] Text Format

Text should be formatted according to the standard of the BHT-protocol before trans- mission. Shown below are two types of the standard text formats for program files and data files.

■Program Text Format

(1) Heading text

Byte position

Example of contents

12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

	Program file name		Number of data
			texts contained
	(12 bytes)
			(5 bytes)
P R O G 1 . P D 3		0 0 3 5 2

The program file name should be a maximum of 12 characters in length and it consists of FILE NAME and .EXTENSION. The FILE NAME should be 1 to 8 characters. The EXTENSION should be .PD3 (.FN3 and .EX3 may be available for future functional expansion).

If the program file name is less than 12 characters in length, the lower blank bytes will be filled with space characters.

The number of data texts should be 0 to 32767. If it is less than 5 digits, the upper blank bytes will be filled with zeros (0).

(2) Data text

Byte	1 2 3 4
position

Program data

Example of contents

128

or

130

128 bytes if extension is .PD3;

130 bytes if it is .FN3 or .EX3.

0 0 0 0 0 0

Object file (compiled from a source program file having one of the extensions .PD3, .FN3, and .EX3.)

If a program data field is less than the maximum digits in length, the lower blank bytes will be filled with zeros (0).

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