Ex p Control unit
APEX
py
Operation
Rev. 0
01-37A2-7D0006_py_Manual_Exp-Control-Unit_20210923_a_en.docx
Page 59 of 96
Purge programs gas application:
Progra
m
Use
Functions
Purge
phase
Purge time starts
when p3 is
exceeded
Purge time stops
when p5 is
reached
Ex p active
after
Ex p
inactive
after
Ex_p_1
Gas
Yes
Yes
Yes
Expiration
purge time
po < p1
po > p4
Ex_p_2
Gas
Yes
Yes
Yes
Expiration
purge time
po < p1
Ex_p_4
Gas
Yes
Yes
No
Expiration
purge time
po < p1
po > p4
Ex_p_5
Gas
Yes
Yes
No
Expiration
purge time
po < p1
Ex p programs dust application:
Progra
m
Use
Functions
Purge
phase
Purge time starts
when p3 is
exceeded
Purge time stops
when p5 is
reached
Ex p active
after
Ex p
inactive
after
Ex_pD_1
Dust
No
No
No
po >= p1
po < p1
po > p4
Ex_pD_2
Dust
No
No
No
po >= p1
po < p1
Pressure parameter
The system pressures of the Ex p equipment are defined in the "Pressure
parameter" submenu.
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.
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.
