Knauer WellChrom HPLC-Pump K-501 Bedienungsanleitung Seite 9

Setup of the HPLC pump K-501
Rear view of the HPLC pump K-501
Elements on the rear panel
Fig. 5 Rear view of the HPLC pump K-501
The power supply 5.4, and the power switch 5.2 are there located as well as a
RS-232 serial interface 5.3 for external computer control and remote control
input and output 5.5 :
STOP:
IN:
GROUND:
FLOW:
GROUND:
ERROR:
OUT:
GROUND:
PRESSURE:
GROUND:
Indication of the input voltage
5.1
Power switch
5.2
RS232 interface
5.3
Power supply
5.4
REMOTE CONTROL connection
5.5
Serial number
5.6
connection for START/STOP as short circuit (or TTL-
low) against ground
Ground connection for START/STOP
Analog input for flow rate control
Ground connection for flow rate control
Output for error signals (open collector) against
ground
Ground connection for error signals
Analog output for pressure signal
Ground connection for pressure signals
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