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PDT 1100 Terminal DLL Guide
Note: In the PDT 1100-Ir protocol, CR-LF codes that are used as record
separators in data are removed before file transmission.
When receiving downloaded function files, the PDT 1100 packs two-
byte ASCII characters into two 4-bit hexadecimal codes in a single
byte, to improve the PDT 1100’s performance and memory
availability.
Data Files
Ir-Transfer Utility C DLL regards MS-DOS files with an extension other than .PD3, .FN3,
and .EX3 as data files. Each record in a data file consists of one or more fields and suffixed
by a set of CR and LF codes (CR-LF codes), 0Dh and 0Ah. An EOF (1Ah) code can be
omitted.
Data files can consist of ASCII text characters as well as arbitrary characters (00h to FFh).
To download data files, type the folder, file names, and the field lengths. Each field should be
1 to 254 digits in length and the number of fields should be 1 to 16. The total field length
(record length) plus the number of fields should be 255 or less.
Designate field lengths in a file with the same file name but an .FLD extension as the file to
download, in the directory where that file resides. When the data file is uploaded, Ir-Transfer
Utility C DLL automatically creates the field definition file in the folder where the uploaded
file is stored. For the .FLD file format, refer to Start of File Transmission on page 2-11.
Record Length
Record Field 1 Field 2 Field N CR LF
CR LF
CR LF
CR LF
CR LF
CR LF
EOF