Siko 6007422, Translation Of The Original Installation Instructions

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AG02
Commissioning English
AG02 · Date 31.10.2012 · Art. No. 82270 · Mod. status 354/12
53
Alignment of the instrument transformer (MWI)
1. Drive the machine to the start position before mounting of the actu-
ator.
2. By using of the clamp ring: Mount and fix the actuator (see Fig. 3 ).
By using of key way: Push the actuator to the stop and turn until the
torque pin can be put in the desired position (see
Fig. 4
). Gear has to
be locked with the thread screw.
3. Turn trim potentiometer Po until start value (4 mA) is measured.
4. Move axis to end position.
5. Turn trim potentiometer Pe until end value (20 mA) is measured.
6. Mount the housing cover.
The steps 3 to 5 are to be repeated until the values are balanced.
4 mA
Current
20 mA
(Pe)
(Po)
Distance
0
Fig. 16: Alignment
5.5 Setting and alignment of the R/U transformer (MWU)
Sense of rotation
Ex works, the instrument transformer is aligned to the initial value of 0 V
and a final value of 10 V output voltage (Pe). To check the sense of rota-
tion take a measurement of the voltage value between 'GND' and 'Uout'.
Voltage U = 0 V: sense of rotation e
Voltage U = 10 V: sense of rotation i
Trim potentiometer
By means of the trim potentiometer (see Fig. 17 ), the final value can be
adjusted to the actual final position of the application.
If the device is equipped with a resistance-voltage converter, then the
potentiometer resistance is converted into a voltage of 0 to 10 VDC. Con-
nection is via three-wire technology.
NOTICE
NOTICE