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Table 67
Pin
RS-232C
The RS-232C connector is used to control the instrument from a computer
through RS-232C connection, using the appropriate software. This connector
can be activated by the configuration switch module next to the GPIB
connector.
The RS-232C is designed as DCE (Data Communication Equipment) with a
9-pin male SUB-D type connector. The pins are defined as follows:
Table 68
Pin
1100 Series WS MWS Reference Manual
Remote Signal Distribution (continued)
Signal
6
POWER ON
7
READY
8
STOP
9
START REQUEST
RS-232C Connection Table
Direction
1
In
2
In
3
Out
4
Out
5
6
In
7
Out
8
In
Description
(H) All modules connected to system are switched on. Receiver
is any module relying on operation of others.
(H) System is ready for next analysis. Receiver is any sequence
controller.
(L) Request to reach system ready state as soon as possible
(for example, stop run, abort or finish and stop injection).
Receiver is any module performing run-time controlled
activities.
(L) Request to start injection cycle (for example, by start key on
any module). Receiver is the autosampler.
Function
DCD
RxD
TxD
DTR
Ground
DSR
RTS
CTS
Theory of Operation
231
7
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