Bartec APEX px Operating Instructions Manual page 60

Ex p Control unit
APEX px
Pressure parameter
Rev. 0
Purge programs gas application:
Functions
Purge
phase
Ex_p_1 Gas Yes
Ex_p_2 Gas Yes
Ex_p_4 Gas Yes
Ex_p_5 Gas Yes
Ex p programs dust application:
Functions
Purge
phase
Ex_pD_1 Dust No
Ex_pD_2 Dust No
The system pressures of the Ex p equipment are defined in the "Pressure
parameter" submenu.
p4 = Maximum pressure, operation. Depending on the selection of the purge
program, there is a shutdown or message.
p5 = Maximum pressure, purge. Depending on the selection of the purge
program, there is a shutdown or message.
01-37A2-7D0001_px_Manual_Exp-Control-Unit_20210923_0_en.docx
Operation
Purge time starts Purge time stops
when p3 is when p5 is
exceeded reached
Yes Yes
Yes Yes
Yes No
Yes No
Purge time starts Purge time stops
when p3 is when p5 is
exceeded reached
No No
No No
po = Operating pressure. Pressure
value at which control takes place
during the operating phase.
p1 = Minimum pressure. Shut-off
value; if the pressure falls below this
value, the enable is reset.
p2 = Pre-alarm. Value at which an
alarm can be given before shutdown.
p3 = Purge pressure. Purge time starts
when the set point is exceeded.
Ex p
Ex p active
inactive
after
after
Expiration po < p1
purge time po > p4
Expiration
po < p1
purge time
Expiration po < p1
purge time po > p4
Expiration
po < p1
purge time
Ex p
Ex p active
inactive
after
after
po < p1
po >= p1
po > p4
po >= p1 po < p1
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