9.9.3 Automacally iniang a clean cycle when the pump goes o-process
The dry pump can be congured to automacally start the dry pump clean cycle when it
goes o‑process. This is useful if the pump requires regular cleaning on a parcularly
dirty process. This mode is enabled by seng enable in the Start in the Green mode
menu item.
9.9.4 Turn the inlet purge on during the clean cycle
To increase the gas ow through the dry pump during a clean cycle, it is possible to
congure the inlet purge gas valve to be open during the clean cycle. This mode is
enabled by seng enable in the Inlet purge menu item.
9.9.5 Have inlet purge cycle aer clean cycle
For some processes it is desirable to ensure that the pump is both fully dry and
internally warm aer a clean cycle has been completed. The pump can be congured to
have an oponal inlet purge cycle where the pump runs at full speed. To enable this
opon, use the Purge me menu item and set the purge me to a value greater than
zero.
9.9.6 Allow on process
Allows a DP Clean to start while the pump is on‑process.
9.9.7 Auto on shut down
When enabled, a DP clean cycle occurs aer every pump auto shutdown.
9.10 How to control the pump speed
By default, both the dry pump and booster runs at full speed while the pump is
on‑process. For some applicaons, it is advantageous to adjust the speed of the pump
while it is on‑process so the system has the capability to run both the dry pump and
booster at dierent speeds.
The speeds of the dry pump and booster can be controlled using a number of dierent
methods as shown in Table: Speed control sources.
Table 51
Speed control sources
Speed control sources:
Normal speed (default)
External voltage 0-10 V input*
SIM protocol over one of the serial RS232 interfaces
SIM protocol over the Ethernet interface
As a second speed controlled from the PDT*
As a second speed controlled from the MCM MicroTIM*
Page 144
M58800880_H - Pump display terminal
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