Waters 2489, Operator'S Manual

Page: 63 / 234

Connecting to other devices 2-31
Pump Auto Zero connections
Chart Mark connections
To make Chart Mark connections between the detector and pump:
1. Using a signal cable, make the connections between the detector and the
pump that are summarized in the table and illustrated in the figure
below.
2. Program the pump to provide a pulse output on the selected switch at
the beginning of each run. Refer to the Waters 600E Multisolvent
Delivery System User’s Guide for more details.
Pump and 2489 detector Chart Mark connections
Waters 2489 Detector
(II) Waters 600 Series
Pump Terminal
Pin 6 Chart Mark + S1, S2, or S4
Pin 7 Chart Mark – GND (one of four)
II
Waters 2489
TP01523
INJECT STOP FLOW HOLD
S1 S2 S3 S4
SWITCHES
CHART
+
PRESSURE
+
CHART
_
PRESSURE
_ GND GND GND GND
AUX.
+
12V