COMBIMASTER & MICROMASTER Integrated
REFERENCE MANUAL
©
Siemens plc. 1999
| G85139-H1731-U300-D2
67
9. SUPPLEMENTARY INFORMATION
9.1 Application Example
Set-up Procedure for a Simple Application
Application requirements:
Normal operating frequency set within range 15 - 50 Hz via an
external potentiometer. Counter-clockwise rotation required.
COMBIMASTER used:
Any model.
Procedure:
1.
Remove the link (if fitted) between control terminals 5 and 8.
2.
Connect a simple on/off switch to control terminals 6 and 8 for
reverse rotation.
3.
Connect a 4.7 k
Ω
potentiometer to the control terminals
(see
Figure 4)
.
4.
Set jumper JP301 (‘V’ - voltage) -
see Fig.3(CS A), Fig.2 (CS B)
.
5.
Set the internal and external potentiometers fully counter-
clockwise and then apply mains power and switch on.
6.
Turn the internal potentiometer clockwise until the motor rotates at
a speed that approximates to 15 Hz.
7.
The external potentiometer now has a range of between 15 Hz at
its lowest setting and 50 Hz at its highest setting.