Elmo 1.3 User Manual

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A.12  Pulse Width Modulation (PWM) 
Feature Details 
PWM resolution 
12-bit 
PWM switching frequency on the load 
2/Ts (factory default 22 kHz on the motor) 
 
A.13 Single-phase Operation 
When operating with a single-phase supply (TUB-x/230 only), the voltage drop must be 
considered. Voltage drop can be calculated using the following equation: 
Vout (Max Phase to phase) = 0.85*[ Vsupply (AC) - Vdrop] 
Vdrop AC 
RMS
 
0
10
20
30
40
50
60
70
80
1
2
3
4
5
6
7
8
9
10
 
 
Motor Phase Current RMS 
 
Tuba Installation Guide 
Technical Specifications 
MAN-TUBIG (Ver. 1.3)
 
 
A-16