Edwards STP-iXL455

STP-iX455/iXL455 Series Instruction Manual
8-1
Operation
8 Vent Valve Output, Air-cooling Unit Output, and
General-purpose Output
8.1 Vent Valve Output
Connect the vent valve to the "X6 VENT VALVE" connector for ON/OFF control. The
vent valve is an optional accessory. Contact the distributor when purchasing it.
When using the vent valve, set the vent valve function to ENABLE.
The setting method differs according to the input operation port.
Parallel port : Short-circuit the vent valve enable signal of the "X2 REMOTE"
connector (see Section 7, "Remote Input/Output Signal Connector").
Serial port : Set the vent valve setting to "ENABLE".
(see Section 9, "Serial Communication Protocol" in this Instruction Manual, or the
Instruction Manual of the STP-Link (optional accessory) or the display unit
iDT-001 (optional accessory))
When the vent valve function is enabled, the valve is controlled according to the setting
values during deceleration state. There are two settings, the vent valve starting speed
and vent valve running time, which can be set by customer.
Table 8.1 Vent Valve Operation Setting
Item Default Setting range
Vent Valve Starting Speed
(at rate to rotational speed)
50 % 10 to 80 % (1 % step)
Vent Valve Running Time 60 sec. 5 to 600 sec. (5 sec. step)
The vent valve settings can be set via the serial communication, the STP-Link (optional
accessory) or the display unit iDT-001 (optional accessory).
Refer to Section 9, "Serial Communication Protocol" or the Instruction Manuals of each
optional accessory for the setting methods.
◇ See the Instruction Manual of the vent valve for details.