Keyence LS-7000 Manual de usuario Pagina 165

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7-23
Chapter 7 RS-232C
7
Communication using an External Synchronous Trigger
The following section provides information on how to obtain output from the RS-232C
interface in synchronization with a timing input into the input terminal. This operation does
not require ASCII commands. Therefore, use this function if the KV-10/80 Series (or the KV
mode) is used only to retrieve measurements. This can also be used when connecting a
data logger to the LS-7000 Series.
Note: No commands are available for measured value output or setting changes.
The printer cannot be connected while the LS-7000 Series is under external
synchronous control.
While the RS-232C interface is transmitting measurements, do not trigger
the next measured value, otherwise the next measured value will not be
output.
Connections
Environment Settings
Make the following environment settings. Refer to RS-232C on page 5-7 for environ-
ment settings in detail.
Item
BAUDRATE 9600bps
STOPBIT
D-LENGTH
D-MODE
D-SEND
1
PARITY EVEN
8
PLC
S1/S2
Select the settings as specified in
this table.
Set value Remarks
The settings specified in this table
will be automatically selected
when the D-MODE item is set to
PLC.
When the D-MODE item is set to PLC, the STX+ETX characters will be selected for
delimiter insertion.
When the D-SEND item is set to S1 or S2, measured value output under external
synchronous control will be possible.
Output
Output All Measured Values
With the D-SEND item set to S1, all measured values will be output.
Output NG (No Good) Measured Values
If the D-SEND item is set to S2, NG measured values will be output.
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