Waters 2475, Operator'S Manual, Page: 69 / 228

Connecting other devices 2-33
2. Program the pump to provide a pulse output on the selected switch at
the beginning of each run (see the Waters 600E Multisolvent Delivery
System User’s Guide ).
Inject-start connections for the 600-series pump
Connecting a 717plus Autosampler
The Waters 717plus Autosampler signals the start of an injection through a
contact closure signal on its inject-start terminals. You can use this contact
closure signal to command the detector to auto zero at the start of an injection.
Inject-start connections for the 600-series pump
600-series pump terminal 2475 detector (A inputs)
S1, S2, S3, S4
1
, or inject
1. You may also connect the pump’s Inject terminal to pin 1, Inject Start +, on the
detector and the pump’s Inject Ground terminal to the detector’s pin 2, Inject
Start –.
Pin 1 Inject Start +
GND (any one of four) Pin 2 Inject Start –
INJECT ST
OP
FLOW HOLD S1 S2 S3 S4
SWITCHES CHART
+
PRESSURE
+
CHART
_
PRESSURE
_ GND GND GND GND AUX. +
12V
2475 detector
A (inputs and outputs)
600-series pump
1
2
3
4
5
6
7
8
9
10
+
−
+
−
+
−
+
−
Inject start 1
Inject start 1
Ground
Lamp on/off
Lamp on/off
Chart mark
Chart mark
Ground
Auto zero
Auto zero
Red
Black