PGVA Manual
Festo SE & Co. KG
Page 7 of 20
6.
Dispense and aspirate panels
1.
"Pressure" - user enters in millibars the desired pressure to regulated.
2.
"Time" - user enters in milliseconds the duration for which the PGVA output will be
activated (output valve opened)
3.
"Cycles" - user enters the number of cycles for which the operation will be repeated
4.
"Dispense"/"Aspirate" buttons - after users presses that button the following actions are
taken:
1.
Regulation of the "Desired" pressure.
2.
PGVA output is activated for the "Time".
3.
Repeat from step 1. "Cycles" number of times.
4.
7.
Displays whether the last Modbus command was successful or not.
8.
"Static IP" textbox displays the current IP address to be used as a fallback if DHCP fails. Users can
alter that address and press the "Set" button. The IP address will be persistently stored on the
device and the user will be notified to reset the device in order for the new setting to effect. In case
of individual adjustments:
the IP address should not be 0.x.x.x, 127.x.x.x and neither a value >=240.x.x.x.
MAC address should be in Festo range (00:0E:F0:00:00:00 - 00:0E:F0:FF:FF:FF).
Modbus unit ID should be in the range [1, 247].
