AUMA valve actuators SV 05.1 – SV 07.1
Operation instructions
12. Setting of the position feedback 4 – 20 mA (option)
R
max
R
min
R11
Figure K1: Valve actuator SV
Figure K2: Switch compartment
Take off cover at switch compartment (Figure K1)
Run valve actuator to end position CLOSED.
Turn potentiometer R11 (Figure K2) counter-clockwise until the mechanical stop
is reached. Afterwards turn approx. 2° in clockwise direction.
Set Rmin to 4 mA with setting potentiometer. For 2-wire systems the minimum
current is always 4 mA (see wiring diagram).
Run valve actuator to end position OPEN.
Set Rmax to 20 mA with setting potentiometer.
Check setting by running valve to end positions again.
Replace cover and fasten 4 bolts evenly crosswise.
13. Fuses
F1
F3
F2
Figure L: Fuses, controls MEC 02.1
F1
Mains fuse
6,3 A T; 250 V; IEC 127-2 / V
F2
Primary transformer
0,5 A T; 250 V; IEC 127-2 / III
F3
Secondary transformer 0,5 A T; 250 V; IEC 127-2 / III
12