Auto Pump Speed Mode - With Purge/Vent Device Accessory Only; On Command Mode - With Purge/Vent Device Accessory Only; Autotime Mode - With Purge/Vent Device Accessory Only; Controlled Venting - Agilent Technologies Turbo-V 750/850-AG User Manual

17 Technical Information
Connection J1 Remote I/O Interconnections
Auto Pump Speed Mode – with Purge/Vent Device
Accessory Only
If WIN 125 = 2 the both the valves are managed by an automatic
procedure.
When activated, this procedure guarantees that the pump is slowed
down properly modulating in automated way the Vent Valve (see the
figure above for details).
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 (Default Setting)
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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