16. USB (RS-232C) interface
16-1. Specifications of interface
To install special driver software from our homepage to the host side to use the USB(RS-
232C) interface is necessary.
Moreover, the USB cable must use less than 5 m.
Specifications Contents
Conforming
Conforming to USB2.0
(To use also with the equipment with USB 1.1 standard.
Output connector mini USB connector B type (Female)
Communication method Half duplex
Synchronizing method Start-Stop synchronized method
Baud rate Selectable from 1 200, 2 400, 4 800, 9 600, 19 200 or 38 400 bps
Data bit length Selectable from 7 bit or 8 bit
Parity bit Selectable from none, even or odd.
Stop bit Selectable from 1 bit or 2 bit.
Terminator Selectable from CR+LF or CR
Communication data ASC II code
16-2. Operation mode
You can select from [Command mode] or [Stream mode]
Each mode is explained as follows.
(1) Command mode
Data is sent back from CSD-892-73 to the host side by sending Command/data provided by
the Host (Personal computer) to CSD-892-73 according to Command / Data. Please execute
the communication according to the following procedure.
Start
Command / Data
Data
Host→CSD-892-73 CSD-892-73→Host
(2) Stream mode
This mode keeps outputting the latest data of the output target selected by function F-41
[Output target of USB (RS-232C)]. However, the output frequency changes by setting the
baud rate. Please refer to [7-2. Function data list].
• Error command is transmitted without communicating while the calibration
mode, Check mode and setting of C function.
• Neither the flow control
nor X flow control is not executed in CSD-892-73.
• The communicating operation is interactive mode.
• When USB (RS-232C) interface is used, the CE standard is excluded.
• Host limits to PC (Personal Computer).
• Error command is transmitted without communicating while the Calibration mode,
Check mode and setting of C function.
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USB (RS-232C)
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