Operating and Maintenance Instructions : FCU 2110-5 / FCU 2210-5
Edition 1.10
HYDAC Filtertechnik GmbH
Page 32 of 52
Example 3:
Switching of a lamp ("bad" indicator) when exceeding a certain oil
purity rating (upper and lower limit)
Contacts 14 and 15 are closed when ISO Code >2µm is higher than 18,
they are opened again when ISO Code is smaller than 14.
limits
M2:Relay2
ok
start
ok
start
2µm NAS chan.
flow rate
+
-
Switch func.:
within range
outside range
exceeded
no function
+
-
ok
start
M2: R2 limits:
14
18
NAS/
fall below
LIMITS
R2 meas. channel
+
-
0
1
2
3
4
5
6
7
8
9
or
ok
start
5µm NAS chan.
15µm NAS chan.
25µm NAS chan.
2µm ISO chan.
5µm ISO chan.
15µm ISO chan.
ISO
Example 4:
Switching of a lamp ("good" indicator) when falling short of a certain
oil purity rating (upper and lower limit)
Contacts 14 and 15 are closed when ISO Code >2µm is smaller than 14,
they are opened again when ISO Code is higher than 18.
limits
M2:Relay2
ok
start
ok
start
2µm NAS chan.
flow rate
+
-
Switch func.:
within range
outside range
exceeded
no function
+
-
ok
start
M2: R2 limits:
14
18
NAS/
fall below
LIMITS
R2 meas. channel
+
-
0
1
2
3
4
5
6
7
8
9
or
ok
start
5µm NAS chan.
15µm NAS chan.
25µm NAS chan.
2µm ISO chan.
5µm ISO chan.
15µm ISO chan.
ISO