4. Attach the label corresponding
to the selected T-piece to the
unit.
4. Electrical connection
The unit must only be connected by an electrician.
The national and international regulations for the installation of
electrical equipment must be observed.
Voltage supply to EN50178, SELV, PELV.
The device shall be supplied from an isolating source and
protected by an overcurrent device such that the limited voltage
circuit requirements in accordance with UL 508 are met.
Disconnect power before connecting the unit.
Wiring:
When the supply voltage is applied, all LEDs light and go off one after
the other.* The unit is then ready for operation.
*During this time the output signal is 20 mA.
11
ENGLISH
0
1.0
1.5
2.0
2.5
3.0
Flow
SET PS
Run-
mode
[GPM]
ENTER PS
T-Stück QL22-18-22
T-Stück QL18-18-18
0
1
2
3
4
5
6
7
8
9
10
Flow
SET PS
Run-
mode
[GPM]
ENTER PS
T-Stück QL28-18-28
0.5
3.5
4.0
4.5
5.0
SET PS
Run-
mode
[GPM]
ENTER PS
Flow
0
0.4
0.6
0.8
1.0
1.2
0.2
1.4
1.6
1.8
2.0
L+
L
3 BU
BK
1 BN
/
2
4
Core colours of ifm sockets:
1 = BN (brown), 2 = WH (white),
3 = BU (blue), 4 = BK (black).
Max. load for the analog output:
500
Ω
