Agilent Technologies TwisTorr 74FS AG Rack Mode D'emploi page 216

17 Technical Information
Controller Connection
The following figure shows a typical contact logic input
connection and the related simplified circuit of the controller.
Figure 10
J1 – Output
Figure 11
All the logic output from the controller must be connected at J1
mating connector. The table 4 describes the signals available on
the connector.
The following figure shows a typical logic output connection of a
relay coil (other devices may be connected in the same way, e.g.
a LED, a computer, etc.) and the related simplified circuit of the
controller.
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Typical logic input connection
Logic output connector
TwisTorr 74 FS AG Rack Controller User Manual / 87-901-055-01