Operation
Ex p control unit
Motor Purge Controller
Page 74 of 96
01-37A2-7D0003_Operating instructions_MPC_20210923_0_en.docx
Rev. 0
9
Operation
9.1
Safety during operation
DANGER
DEATH OR SERIOUS PERSONAL INJURY DUE TO A DAMAGED EXPLOSION PROTECTION
MEASURE. SAFE OPERATION OF THE CONTROL UNIT IS NO LONGER POSSIBLE.
Explosion hazard
The APEX control unit must be taken out of operation and secured
against being switched on again.
9.2
Operating phases of the Ex p control unit
The operation of a pressurised enclosure can be divided into three phases. The
three phases are divided into the preparation, pre-purge and operating phases.
9.3
Querying system status
Logging into the web interface by opening the browser and entering the IP
address 192.168.11.101
The start screen shows a first overview of the system status.
Login
User ID: guest
Password: guest
or
User ID: user
Password: 0000
Confirm with Enter
Activation
Safe operating condition
- Ex p control unit -
Criterion “Pre-purge” has
been fulfiled
Purge time elapses
Ex p equipment in “Ex-
Safe operating condition”
Parameterisation mode
- Pre-pressure has been reached
- Flow rate has been
reached
- Purge time
has elapsed
-
Pressure drop below the minimum pressure
-
Maximum pressure exceeded
-
Hardware failure
- Active parameter switch
