Installation Guide User Manual

Bell Installation Guide Bell Technical Specifications
MAN-BELIG (Ver. 1.302)
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51
Table of Contents
4.5.2.2. Digital Halls
Feature Details
Halls inputs
• H
A
, H
B
, H
C
.
• Single ended inputs
• Built in hysteresis of 1 V 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):
3 mA
Source current: 1.5 mA (designed to support open
collector Halls as well)
Maximum frequency f
MAX
: 3 kHz
4.5.2.3. 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
: 400 kHz
Interpolation multipliers Programmable: x4 to x2048
Maximum “counts” frequency 100 mega-counts/sec “internally”
Automatic error correction
Signal amplitudes mismatch
Signal phase shift
Signal offsets