Digital Halls; Interpolated Analog Encoder (Sine/Cosine - Elmo Cello Installation Manual

Cello Installation Guide
MAN-CELIG (Ver. 1.5)
A.7.3

Digital Halls

Feature
Halls inputs
Input voltage
Input current
Maximum frequency
A.7.4

Interpolated Analog Encoder (Sine/Cosine)

Feature
Analog encoder format
Analog input signal level
Input resistance
Maximum analog signal
frequency
Interpolation multipliers
Maximum "counts" frequency
Automatic errors correction
Details
H , H , H .
A B C
Single ended inputs
Built in hysteresis for noise immunity.
Nominal operating range: 0 V < V
Maximum absolute: -1 V < V
High level input voltage: V
Low level input voltage: V
Sink current (when input pulled to the
common): 3 mA
Source current: 1.5 mA (designed to also
support open collector Halls)
f : 2 kHz
MAX
Details
Sine and Cosine signals
Offset voltage: 2.2 V – 2.8 V
Differential, 1 V peak to peak
Differential 120 Ω
f : 250 kHz
MAX
Programmable: x4 to x4096
80 mega-counts/sec "internally"
Signal amplitudes mismatch
Signal phase shift
Signal offsets
Technical Specifications
< 5 V
In_Hall
< 15 V
In_Hall
> 2.5 V
InHigh
< 1 V
InLow
A-9