Waters Xevo TQD, Overview And Maintenance Manual

Page: 238 / 250

B External Connections
238 March 14, 2014, 715004387 Rev. B
Signal connections
Requirement:
To meet the regulatory requirements of immunity from
external electrical disturbances, install connection covers over the signal
connectors.
To make signal connections:
1. Reference the signal connection location from the silk-screened label for
inject start or any other input/output connection you plan to use from
Connector I or II on the rear panel of each instrument.
Instrument analog-out/event-in connections:
Signal connections Description
Analog (Out) Used for analog chart output functionality. The
output voltage range is 0 to 1 V. The resolution of
the voltage output is 12 bits.
Stop Flow (Out) Used to stop the solvent flow if the nitrogen gas
supply fails. Maximum 30 V, 0.5 A, 10 W.
Inject Start (In) Signals the start of an injection. Maximum 30 V.
Event (In) Allows an external device to start data acquisition.
Maximum 30 V.
Switch 2 (Out) Used to send time-based contact closure signals to
external devices. Maximum 30 V, 0.5 A, 10 W.
Switch 3 (Out) Used to send time-based contact closure signals to
external devices. Maximum 30 V, 0.5 A, 10 W.
Switch 4 (Out) Used to send time-based contact closure signals to
external devices. Maximum 30 V, 0.5 A, 10 W.