Function Mode - Hydac FluidControl Unit FCU 8000-1 Série Manuel D'utilisation Et D'entretien

Operating and Maintenance Instruction FCU 8000-1 series
5.5.5.2 Functions of the relays

Function Mode

M1: Measurement
M2:
Measuring+switching
M3: Filter to
HYDAC Filtertechnik GmbH
Relay 1
Contacts 7 and 8 are
closed when
measurement has started
and is active.
Contacts 6 and 8 are
closed when FCU is not
operating.
Contacts 7 and 8 are
closed if condition for
switching function
programmed by user is
fulfilled.
Contacts 6 and 8 are
closed if condition for
switching function
programmed by user is
not fulfilled.
Contacts 7 and 8 are
closed when measuring
has started and the
measured values
(cleanliness classes)
exceed the limits
programmed by the user.
Contacts 6 and 8 are
closed if the measured
values of 5 consecutive
measurements are
identical or lower than
those limits programmed
by the user.
E
Doc.: 3109776 Ed.: 01/13.02.2002
Relay 2
Contacts 14 and 15
are closed if flow rate
is outside of the
allowed range (after
completion of the first
measurement)
Contacts 14 and 15
are closed if condition
for switching function
programmed by user
is fulfilled.
Contacts 13 and 15
are closed if condition
for switching function
programmed by user
is not fulfilled.
Contacts 14 and 15
are closed if flow rate
is outside of the
allowed range (after
completion of the first
measurement)
Relay 3
Contacts 11 and 12
closed if FCU is:
1. ready-for-
operation and
2. functioning
correctly.
Contacts 11 and 12
closed if FCU is:
1. ready-for-
operation and
2. functioning
correctly.
Contacts 11 and 12
closed if FCU is:
1. ready-for-
operation and
2. functioning
correctly.
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