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15 DATA COMMUNICATIONS USING USER FRAMES
15.5 Application Program for Data Transmission using a Combination that does not Specify the Start Frame
15.5 Application Program for Data Transmission using
a Combination that does not Specify the Start
Frame
The following shows the program examples for data transmission using a user frame.
Transmission program example
Data transmission using user frames in the following conditions and settings is shown below:
■C24 interface used for communication with a target device
CH1 RS-232 interface of C24
■Parameter settings
■Buffer memory setting contents
For other than the following items, use default values.
Setting item Setting value
Basic
settings
Various control
specification
Test mode setting
Communication protocol setting Nonprocedural protocol
Communication speed setting 19200 bps
Transmission
setting
Data bit 8
Parity bit None
Odd/even parity Odd
Stop bit 1
Sum check code None
Online change Disable
Setting change Disable
Station number setting (CH1, 2 in common: 0 to 31) 1
Item Setting content Buffer memory address
to store registration value
Remarks
Word/byte units designation Byte 150 (96H)
Transparent code for sending
specification
No designation 287 (11FH)
ASCII-BIN conversion designation Do not convert 289 (121H)
Send frame number designation (1st) 3F2H 186 (BAH)
Send frame number designation (2nd) 3F3H 187 (BBH)
Send frame number designation (3rd) 8001H 188 (BCH)
Send frame number designation (4th) 8000H 189(BDH)
Send frame number designation (5th) 41BH 190(BEH)
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