AMX AXD-CP4/PB Especificaciones Pagina 91

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Electronic Modules Ver. 0002 EM - 35
EM.4.4.2 X3, DIRECT FEEDBACK
For direct feedback, X3 is a high density 15-pin SUB-D type female connector
This connector admits three different types of feedback signals (see diagram below):
- Square TTL signals
- Square differential TTL signals (double-ended)
- 1Vpp sinewave signals
It admits the following frequencies:
- 1 MHz with square signals
- 200 KHz with sinewave signals.
The input impedance for sinewave signals is 120 Ohms.
Software involved:
Parameters AP1 -S32-, GP10 -F719-, PP115 -S115- and NP117 -S117- identify different
aspects of the direct feedback. The gear ratio between the motor and the ballscrew is
indicated by NP121 -S121-, NP122 -S122- and NP123 -S123-.
90° PHASE-SHIFT
V
A
I
0
V
B
t
V
OH
> 2.5 V
V
OL
< 0.5 V
90° PHASE-SHIFT
t
V
A
, V
B
: 0.6 - 1.2 Vpp
V
I0
:
0.5 Vpp
V
A
I
0
V
B
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