Pfeiffer Vacuum ACP 28 CP, Operating Instructions Manual

Page: 28 / 56

Order Parameter Description Functions Min Max
SBY none Switches from stand-
by speed to the de-
fault setting Stand-by speed is reset at 35 Hz.
ACP ON or OFF Start/Stop the pump The pump rotation starts with ACPON, pump stops with
ACPOFF.
*Only rotation speeds recommended in the settings table are allowed (see chapter “Setting of the rotation
speed”, page 24) .
Order Pa-
rame-
ter
Description Functions
STA none Pump status Example: #adr,xxxxxx yyyyyy,zzzzzz,sssss,iiii,www,ppp,vvv,ttttt<CR>
● sssss = pump rotation speed (min
-1 )
● iiii = motor power (W)
● www = reserved (by default 000 )
● ppp = frequency converter tem-
perature (°C)
● vvv = reserved (by default 000)
● tttt = pump operating time (from
first start-up) (h)
xxxxxx: sta-
tus bits Bit 5 4 3 2 1 0
0 0 0 0 0
set speed set
point 0 0
1 - - 1
pump run-
ning 1
nominal
speed set 1
stand-by
speed reached -
yyyyyy: fault
bits Bit 5 4 3 2 1 0
0 - 0 0 0 0 0
1 1
power tran-
sistor not
powered
(red LED
copy = 1) 1
motor tem-
perature
too high 1
motor cur-
rent too
high - - -
zzzzzz: alert
bits Bit 5 4 3 2 1 0
0 0 0 0 0 0 OFF
1 - - - - - -
Installation
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