BUSCH COBRA DS 8163 A, Installation And Operating Instructions Manual

Page: 14 / 36

DP, MB
motors
overcurrent Current gauge
EOCR Depends on alarm function
set in the PLC for
overcurrent. Set at factory:
General Stop ie. the
contactors open and remove
power to motors.
For DP overcurrent: EMO
urgent switch off.
For MB overcurrent: all MB
pumps stop.
S
Cylinder
overtempera-
ture Temperature
switch TS 3 Depends on alarm function
set in the PLC for cylinder
temperature. Set at factory:
General Stop ie. the
contactors open and remove
power to motors S
Cooling water
flow low Water flow
switch FS 1/
FS 2 Depends on alarm function
set in the PLC for water
flow. Set at factory: General
Stop ie. the contactors open
and remove power to mo-
tors S
Nitrogen flow
to low Nitrogen
flowmeter FME Depends on alarm function
set in the PLC for nitrogen
flow. Set at factory: General
Stop ie. the vacuum system
continues running with the
alarm S
Cooling liquid
flow to low Flow controller
FCV The contactors open and cut
the engine supply after 30
seconds S
Excessive oil
temperature
(t°>105°C) Temperature
switch TS 1 The contactors open and cut
the engine supply after 120
seconds (changeable dura-
tion) S
H= Hardware, S= Software
“X” is the number of the DP or MB vacuum pump
Safety COBRA DS 8163 A
Page 14
0870772605