Gilson 155 User Manual page 27

Installation
2-8
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Contact connections
You can remotely activate some detector functions
(described below) from devices that provide no-
voltage contact closure switches.
You can make contact connections from:
• Microsoft Windows-based computer via Gilson
506 contact outputs
• Gilson sampling injector, which acts as a
controller of an isocratic auto-analytical system
• Gilson fraction collector
• Some Gilson pumps
You can specify the timing of contact events from
the Gilson control software.
To make contact connections, use the autozero/
event cable. That cable has a 4-pin socket that
connects to a receptacle on the detector rear panel
(refer to the diagram on page 2-3). The other end of
the cable contains four tinned wires.
Event
Pins 1 and 2 are the event mark contacts.
• The red wire is connected to pin 1
• The black wire is connected to pin 2 (which is
circuit ground)
Autozero
Pins 3 and 4 are the autozero contacts.
• The white wire is connected to pin 3
• The green wire is connected to pin 4 (which is
circuit ground)
2