On Command Mode - With Purge/Vent Device Accessory Only; Autotime Mode - With Purge/Vent Device Accessory Only; Controlled Venting - Agilent Technologies Turbo-V 551 Bedienungshandbuch

17 Technical Information
Connection J1 Remote I/O Interconnections
The vent could damage the pump. Please, use the "Auto Pump Speed" mode or
CAUTION!
refer to Agilent personnel.
On Command Mode – with Purge/Vent Device
Accessory Only
If WIN 125 = 1 the vent valves can be operated manually via serial
communication (or by front panel interface) with the followings
limitations.
Setting WIN 122 = 1 the Vent Valve opens only if the pump is in STOP
status: if the pump is in STARTING, NORMAL or AUTOTUNING
status the valve stays close; if the pump is in BRAKING status, the
Vent Valve performs a Controlled Venting.
Setting WIN 122 = 0 the Vent Valve is closed independently from the
pump status.
Autotime Mode – with Purge/Vent Device
Accessory Only
The default setting for vent operating mode is "Autotime" (Win 125 = 0).If
WIN 125 = 0 the Vent and Purge Valves are opened as a function of time (see
the figure below for details). The timings are configurable through WIN 126
(Vent Valve Opening Delay) and WIN 147 (Vent Valve Opening Time).
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