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(1) Command mode
Data is sent back from CSD-903 to the host side according to the command/data by sending the
command/data to CSD-903 provided by the host (personal computer or sequencer, etc.).
Please communicate according to the following procedure.
(2) Stream mode
When RS-232C, RS-422/485 is used, it keeps outputting the latest data of the output target selected
by function F-41. However, the output frequency changes by setting the baud rate.
(3) Synchronizing with print
When RS-232C is used, the data of the output target selected by function F-41 is output
synchronizing with the print signal (F key, external control input, and automatic print).
・ The communicating operation is executed only in the measurement mode. The error code is
transmitted in the other mode.
・ It does not respond in the stand-by condition.
・ The flow control is not executed in the CSD-903.
・ The CTS/RTS signal isn't applied.
・ The X flow control isn't performed.
・ The communication operation is an interactive mode.
16-3-4. Output target at synchronizing with RS-232C print in stream mode RS-232C and
RS-422/485
The output target of RS-232C and RS-422/485 is selected by the setting of function F-41.
The output target of RS-232C and RS-422/485 is selectable from [Display interlock], [Gross value],
[Net value], or [Conditional load display data].
Default is set as [Display interlock].
・ When RS-232C interface is equipped with, the setting of function F-41 becomes valid under the
setting of function F-40 being [1~4].
・ When RS422/485 interface is equipped with, this becomes valid under the setting of function F-49
being [1].
Start
Command/Data
Data
Host→CSD-903
CSD-903→Host
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