Ex p control unit
Motor purge controller
Electrical connections
Rev. 0
01-37A2-7D0003_Operating instructions_MPC_20210923_0_en.docx
Page 37 of 96
APEXmpc / SILASmpc, HAT with extended ambient temperature range
ATTENTION
PROPERTY DAMAGE CAUSED BY INCORRECT SUPPLY VOLTAGE.
The internal electronics of the control unit could be destroyed.
Before activating the supply voltage, compare the value of the supply
voltage with the value printed on the controller.
Active protective measure.
As an active protective measure, the supply voltage must be
protected by a fuse (min. 1500 A breaking capacity) and an FI circuit
breaker.
The power supply for the heating and the Ex p control unit is provided via the
laterally integrated terminal rows –X1 and –X2.
The connection is to be made according to the following table.
Terminal Connection Function
-X1
PE
PE
Grounding
1
L
Power supply
heating
7 / 8
N
Power supply
heating
-X2
PE
PE
Grounding
1
L
Power supply
controller
6
N
Power supply
controller
