Elmo Bassoon - Digital Halls; Interpolated Analog Encoder (Sine;Cosine; A.8.3 Digital Halls

A.8.3 Digital Halls
Feature Details
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
A.8.4 Interpolated Analog Encoder (Sine/Cosine)
Feature Details
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
Signals amplitude mismatch
Signals phase shift
Signals offset
Bassoon Installation Guide Technical Specifications
MAN-BASIG (Ver 1.4)
A-9