WATERS CORPORATION 2424, Operator'S Manual, Page: 56 / 196

2-26 Setting up the Detector
instrument, do not use cables longer than 3 meters (9.8 feet) when you make
connections to the I/O connectors. In addition, ensure you connect the shield of
the cable to ground at one instrument only.
2424 rear panel analog-out/event-in connectors
The following table describes the detector I/O connections.
Detector analog-out/event-in connections
Signal
connections
Description
Inject start in Activates timed events by triggering the run-time clock
to start.
Lamp on Enables and disables the lamp. When the input is
active, the lamp is on.
Chart mark in Adds a chart mark (at 10% of full scale) to either or
both analog output channels (Signal Out 1 and Signal
Out 2) and is configurable.
Auto zero in Calculates an offset value that, when added to the
sample signal, makes the resulting baseline signal
zero.
Connector I (outputs) Connector II (inputs)
1
2
3
4
5
6
7
8
9
10
+
−
+
−
+
−
+
−
Signal Out
Signal Out
Ground
Auxiliary Out
Auxiliary Out
Stop Flow
Stop Flow
Ground
Switch Out
Switch Out 1
2
3
4
5
6
7
8
9
10
+
−
+
−
+
−
+
−
Inject Start In
Inject Start In
Ground
Lamp On
Lamp On
Chart Mark In
Chart Mark In
Ground
Auto Zero In
Auto Zero In