1100 Series Nano Pump Service Manual 221
Introduction to the Nano Pump 5
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:
6 POWER ON (H) All modules connected to system are switched on. Receiver
is any module relying on operation of others.
7 READY (H) System is ready for next analysis. Receiver is any sequence
controller.
8 STOP (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.
9 START REQUEST (L) Request to start injection cycle (for example, by start key on
any module). Receiver is the autosampler.
Table 52 Remote Signal Distribution, continued
Pin Signal Description
Table 53 RS-232C Connection Table
Pin Direction Function
1InDCD
2InRxD
3OutTxD
4OutDTR
5Ground
6InDSR
7OutRTS
8InCTS
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