RDC-19200 MONOBRID
廬
SERIES
10-, 12-, 14-, OR 16-BIT INDUSTRIAL
RESOLVER-TO-DIGITAL CONVERTERS
DESCRIPTION
The RDC-19200 Monobrid Series are
versatile state-of-the-art resolver-to-
digital converters featuring program-
mable resolution and bandwidth and
a velocity output voltage.
Resolution programming allows
selection of 10-, 12-, 14- or 16-bits
and are available with commensurate
accuracies up to 2 minutes +1 LSB.
Resolution programming combines
the high tracking rate of a 10-bit con-
verter with the precision of a 16-bit
device in one package.
The velocity output (VEL) from the
RDC-19200 is a ground-based volt-
age of 0 to 鹵10 VDC with a linearity of
2.0%. VEL may be scaled up by a sin-
gle external resistor to provide up to
鹵10 VDC for the required maximum
tracking rate.
FEATURES
鈥?/div>
Low Cost
鈥?/div>
Ideal for Motor Control
鈥?/div>
Built-In-Test (BIT) and Loss-of-
Signal (LOS) Outputs
APPLICATIONS
The RDC-19200 Series converters
are designed for use in modern high
performance commercial and indus-
trial control systems. Applications
include motor control, theodolite,
radar antenna position information,
CNC machine tooling, robot axis con-
trol, and process control. With their
low cost and superior performance,
the RDC-19200 Series converters are
ideal for motion control and position
monitoring applications.
鈥?/div>
Velocity Output Eliminates
Tachometer
鈥?/div>
Programmable Resolution
鈥?/div>
Programmable Bandwidth
鈥?/div>
Accuracy to 鹵2.3 ARC Min.
CONVERTER
1 LSB ANTIJITTER FEEDBACK
RESOLVER 1-4
INPUT
SIGNAL
INPUT
SIN
胃
COS
胃
E
HIGH
ACCURACY
CONTROL
TRANSFORMER
GAIN
SIN
(胃-蠁)
D
DEMODULATOR
e
ERROR
PROCESSOR
BW
VEL
VCO
BW
U
T
ANALOG
CONDITIONER
e
VEL
PROG
39
DIFF
GAIN
OF 2
37
10k
-
+
DIFF
GAIN
OF 2.2
16 BIT
UP/DOWN
COUNTER
MC U T
U/D
REFERENCE
CONDITIONER
VEL
-15 V
38
36
+15
POWER
SUPPLY
CONDITIONER
+11 V
V
INTERNAL
DC REF
(+5.5 V)
LOSS OF
SIGNAL
DETECTOR
EDGE
TRIGGERED
LATCH
50 ns
DELAY
DIGITAL
INTERFACE
16 BIT CT
TRANSPARENT
LATCH
DIGITAL
ANGLE
蠁
INH
16 BIT OUTPUT
TRANSPARENT
LATCH
0.4 - 0.7
碌s
Q
+15
3 STATE
TTL BUFFER
34
-15 V
A
+5V
OPTIONAL
28
10
12-19
BITS 1-8
20-27
BITS 9-16
11
7
LOS EM
B
8
6
32
MC
31
U
30
CB
40
REF
29
BIT
5
BW
9
3 STATE
TTL BUFFER
TTL
BUFFER
BIT
DETECT
INHIBIT
TRANSPARENT
LATCH
T
35
GND
33
+5V
Note:
A 鈥?鈥?through input or output lines indicates
additional functions not shown. See text.
EL
S
RESOLUTION
CONTROL
INH
FIGURE 1. RDC-19200 BLOCK DIAGRAM
漏
1985, 1999 Data Device Corporation
廬
Monobrid is a registered trademark of Data Device Corporation.
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