Ex p control unit
Motor purge controller
Product description
Rev. 0
01-37A2-7D0003_Operating instructions_MPC_20210923_0_en.docx
Page 21 of 96
3.4
System structure
Ex p control unit
mpc,
standard
The system structure of the APEX
mpc
or SILAS
mpc
control unit is
shown below. The protective housing is designed according to
Ex e and can be mounted outside onto the pressurised
enclosure/ motor.
Pos.
Description
Protective housing
Ex p functional unit
Ex p pressure measuring board
Flush valve
Leakage compensation valve
Pressure reducing station
Flush flow regulation
Purge gas supply
Cable entries
Purge gas supply motor
Control of mpv
Pressure measurement