
Ex p Control unit
APEX
px
Product description
Rev. 0
01-37A2-7D0001_px_Manual_Exp-Control-Unit_20210923_0_en.docx
Page 21 of 96
Accessories
Valve fuse
Valve fuse, type 05-0080-10**
The valve fuse serves to secure the connected purging gas valve
and is connected on the Ex e board of the control unit.
Pressure monitor
Pressure monitor, Type 17-51P3-1*03
The pressure monitor serves as overpressure valve and
measuring unit for Ex pxb systems by means of the integrated
orifice.
Purge gas valve
Purge gas valve, Type 05-0056-****
Different versions as digital purging gas valve (open/close)
with integrated manual leakage air needle valve or
proportional purging gas valve (regulating).
p-operator panel
p-Operator Panel, Type 17-51P5-*1111
The p-operator panel is a visualization unit for the control unit
APEX or SILAS. It can be optionally connected and is used to
display the system states and to parameterize the control units.
By means of mounting brackets, it can be used both as an add-
on or in basic variant for installation.
It can be connected or disconnected during operation and it is therefore not
necessary for it to be permanently connected to the control unit.
For the p-operator panel, the application is use is described in a separate
operating manual.