Elmo Tuba Digital Servo Manuale Utente

Halls inputs 

 H

A

, H

B

, H

C

. 

 Single ended inputs 

 Built in hysteresis for noise immunity. 

Input voltage 

Nominal operating range:  0 V < V

In_Hall

 < 5 V 

Maximum absolute:  

-1 V < V

In_Hall

 < 15 V 

High level input voltage:   V

InHigh

 > 2.5 V 

Low level input voltage:   V

InLow

 < 1 V  

Input current 

Sink current (when input pulled to the 
common): 3mA 

Source current: 1.5 mA (designed to also 
support open collector Halls)  

Maximum frequency 

f

MAX

 : 2 kHz 

 

 

Analog encoder format 

Sine and Cosine signals 

Analog input signal level  

 Offset voltage: 2.2 V – 2.8 V 

 Differential, 1 V peak to peak 

Input resistance 

Differential 120 

Ω 

Maximum analog signal frequency 

f

MAX

 : 250 kHz 

Interpolation multipliers 

Programmable: x4 to x4096 

Maximum “counts” frequency 

80 mega-counts/sec “internally” 

Automatic errors correction 

Signal amplitudes mismatch  
Signal phase shift 
Signal offsets 

 

Tuba Installation Guide 

MAN-TUBIG (Ver. 1.3)

 

 

A-10