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Technical Information
Connection J1 Remote I/O Interconnections
Controlled Venting
This function is automatically enabled when the venting is in
MANUAL VENTING or PULSED VENTING mode (display shows:
AUTO PUMP SPEED or ON COMMAND). WIN 125 = 0 or 1
This function activates only after STOP command, when the pump is
slowing down.
During a controlled venting, the controller modulates the opening
time of the vent valve in order to decrease the pump rotational speed.
The controller checks every 10 seconds the pump frequency and
continues modulating the vent valve opening process until the
frequency is < 100 Hz.
Then the vent valve opens according to the delay (WIN 126) and the
opening time (WIN 147) set either via front panel or via serial
communication.
TwisTorr Medium-TMP Rack Controller User Manual / 87-901-049-01 (B)
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