Pfeiffer Vacuum A 1204H, Operating Instructions Manual

Page: 46 / 92

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Control interfaces
8 Control interfaces
This chapter describes the connections and protocols associated with each control
mode.
8.1 Different control modes
4 control mode are available:
– HHR: locally controlled by the hand-held remote,
– REMOTE: remote controlled by J1 connector,
– SERIAL LINK: remote controlled by serial link J2 , J7 , J6 ,
– USER: remote controlled by J3 connector.
HHR The pump is controlled with the hand held remote connected in front HHR or at the rear
panel of the pump J8 . For safety reasons, the pump can be controlled only by one HHR
at the same time.
REMOTE The pump is remote-controlled through the opening or closing of different dry contacts
wired on remote control connector
J1 (see 8.3) .
SERIAL LINK The pump is remote-controlled by the commands transmitted via the serial link (see Se-
rial link Operating instructions).
USER The pump is remote-controlled through the opening or closing of different dry contacts
wired on remote control connector
J3 (see 8.4) .
The control mode is selected with HHR [DEFINITION] [CONTROL MODE] (see 8.2) :
To make the pump running, it is essential to install the cover plug delivered with the
pump to the emergency connector or connect the pump to the emergency stop circuit
of the equipment (see 8.7) .
8.2 HHR control
When the pump is delivered, it runs according to the default setting: it depends on the
product ordering guide.
Menu Description
DEFINITION To set the pump model, functional settings, and external sensor management.
SETTING To adjust the monitoring parameters.
MAINTENANCE To read or adjust the pump maintenance time.
MANAGEMENT To change the password, register the pump serial number and software versions.
LAST EVENTS To display the events recorded.