TECHNICAL INFORMATION
71 87-900-986-01 (
C
)
CONTROLLER CONNECTION
J6 - Fan
The 24 Vdc, 150 mA maximum output voltage is
present after START pushbutton is pressed and will
remain present until a fault condition is displayed on
front panel display or the turbopump is stopped.
This is a dedicated output for the optional
Turbo-V 81-AG pump cooling fan (see orderable parts
table).
If you already have fan installed, use the available
adapter cable to connect to the pump.
Fan Connector
J7 – Vent
Vent Connector
This is dedicated 24 Vdc connector to control the
optional vent valve (see orderable parts table).
The vent valve can be driven by controller automatically
or by serial line.
If you already have a vent valve installed 110 Vac
powered, this valve must be replaced by a new model
(see orderable parts table).
Vent Valve diagram in “Auto” mode
CLOSED
Vent Valve
STOP
START COMMAND
RAMP
NORMAL
STOP COMMAND
Vent Valve Relay
Win. 126
Vent Valve Open
Time Win. 147
OPEN