
Tuba Installation Guide Introduction 
MAN-TUBIG (Ver. 1.3) 
2-3 
 Elmo dri ves provide supply voltage for all the feedback options  
2.2.7 Fault Protection 
The Tuba includes built-in protection against possible fault conditions, including: 
 Software error handling 
 Status reporting for a large number of possible fault conditions 
 Protection against conditions such as excessive temperature, under/over 
voltage, loss of commutation signal, short circuits between the motor power 
outputs and between each output and power input/return 
 Recovery from loss of commutation signals and from communication errors 
2.3 System Architecture 
Auxiliary
Power
Supply
PWM
Controller
Power Stage
Protection Current
Feedback
Incremental
Encoder
24 VDC
I/Os
Incremental Encoder
Buffered Output
or
Emulated Output
Resolver
Analog
Encoder
Auxiliary
Encoder
or
or
Potentiometer
Tachometer
or
or
Communication
RS 232 and CANopen
                                     Figure  2-1: Tuba System Block Diagram