The input circuit depends on the selected signal type.
1 V
pp
differential mode
The following illustration shows a
simplified diagram of the input channel circuitry when you select 1
V
pp
differential mode for analog encoders.
Input circuit
+
–
43 k
Ω
120
Ω
43 k
Ω
To internal
circuits
PHI0 (7)
PHI90 (7)
IDX (7)
U_REF/2
U_REF/2 = 2.5 V
PHI0 (7)
PHI90 (7)
IDX (7)
The input signals pass through a differential amplifier before the
resulting difference is passed to further internal circuits.
The reference voltage U_REF/2 is used for centering the signals.
It is possible to provide single-ended 1 V
pp
signals. For details on
connecting the PHI0, PHI90 and INDEX lines, refer to
11 μA
pp
differential mode
The following illustration shows a
simplified diagram of the input channel circuitry when you select 11
μA
pp
differential mode for analog encoders.
+
–
100
Ω
100
Ω
To internal
circuits
U_REF/2
U_REF/2 = 2.5 V
PHI0 (7)
PHI90 (7)
IDX (7)
PHI0 (7)
PHI90 (7)
IDX (7)
s
Signal Connection to External Devices
t
180
s
DS1103 Hardware Installation and Configuration November 2014
Содержание DS1103
Страница 1: ...DS1103 PPC Controller Board Hardware Installation and Configuration Release 2014 B November 2014 ...
Страница 10: ...s Contents t 10 s DS1103 Hardware Installation and Configuration November 2014 ...
Страница 28: ...s Before You Start t 28 s DS1103 Hardware Installation and Configuration November 2014 ...
Страница 52: ...s Installing the Hardware t 52 s DS1103 Hardware Installation and Configuration November 2014 ...
Страница 102: ...s Uninstalling the System t 102 s DS1103 Hardware Installation and Configuration November 2014 ...
Страница 160: ...s Mapping of I O Signals t 160 s DS1103 Hardware Installation and Configuration November 2014 ...
Страница 218: ...s Troubleshooting t 218 s DS1103 Hardware Installation and Configuration November 2014 ...
Страница 219: ...Data Sheets DS1103 Hardware Installation and Configuration November 2014 219 t ...
Страница 226: ...s Data Sheets t 226 s DS1103 Hardware Installation and Configuration November 2014 ...
Страница 302: ...s Index t 302 s DS1103 Hardware Installation and Configuration November 2014 ...