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参数资料
| 型号： | RDC-636-A-H-1-R |
| 厂商： | DATA DEVICE CORP |
| 元件分类： | 位置变换器 |
| 英文描述： | SYNCHRO OR RESOLVER TO DIGITAL CONVERTER, DMA27 |
| 封装： | 3.125 X 2.625 INCH, 0.430 INCH HEIGHT, MODULE-28/27 |
| 文件页数： | 3/8页 |
| 文件大小： | 111K |
| 代理商： | RDC-636-A-H-1-R |
3
Data Device Corporation
www.ddc-web.com
SDC-630/632/634 A/ST
G-05/05-0
TABLE 1. SDC-630/632/634 A/ST SPECIFICATIONS
PARAMETER
VALUE
SDC-630
SDC-632
SDC-634
RESOLUTION
10 bits
12 bits
14 bits
ACCURACY
Standard Units
High Accuracy Option
±21 min
—
±8.5 min
—
±5.3 min
±2.6 min
SIGNAL AND
REFERENCE INPUT
Synchro Input
90V L-L, 400 Hz
(Option H)
90V L-L, 60 Hz
(Option I)
11.8V L-L, 400 Hz
(Option L)
Resolver Input
90V L-L, 400 Hz
(Option H)
26V L-L, 60 Hz
(Option M)
11.8V L-L, 400 Hz
(Option L)
Signal
Frequency
Range
350-1000 Hz
47-1000 Hz
350-1000 Hz
Signal Input Impedance (L-L
Balanced, Resistive)
A*
ST
148 k
min
148 k
min
19 k
min
148 k
min
42 k
min
19 k
min
123 k
123 k
52 k
—
70 k
REFERENCE INPUT
Options H, I
Options M, L
Reference
Voltage Range
Reference Input Impedance
(Resistive)
40-150 Vrms
10-50 Vrms
300 k
min
80 k
min
270 k
60 k
*Transformer Isolated. Other voltages and frequencies available on
special order. Transformer dielectric withstanding voltage input to out-
put is 500Vrms @ 60 Hz.
DIGITAL
INPUT/OUTPUTS
Logic Type
Inhibit Input (INH)
Outputs
Type
10, 12, 14, (For 16
Consult Factory)
Parallel Data Bits
Converter Busy (CB)
Drive Capability
Built-In-Test (BIT)
(Special Order,
Consult Factory)
TTL/CMOS Compatible
Logic “0” inhibits
Does not interrupt converter tracking.
TTL/CMOS
Natural Binary Angle; Positive logic
0.2 to 1.5 sec positive pulse.
Data changes on leading edge.
1 Std. TTL load
VELOCITY OUTPUT
(SPECIAL ORDER)
Polarity
Std. Voltage Range
(Full Scale)
Positive Output for increasing angle
±4 Min (Other ranges available; Consult
Factory)
TABLE 1. SDC-630/632/634 A/ST SPECIFICATIONS
(CONT.)
PARAMETER
VALUE
POWER SUPPLIES
Nominal Voltage
Range
Maximum Voltage
Without Damage
Current (All)
+15 V Supply
-15 V Supply
+5 V Supply
+11 to +16.5 V
+18 V
20 mA
-11 to -16.5 V
-18 V
25 mA
+4.5 to +5.5 V
+7 V
10 mA
TEMPERATURE
RANGES
Operating
-1 Option
-3 Option
Storage
-55°C to +105°C
0°C to +70°C
-55°C to +125°C
PHYSICAL
CHARACTERISTICS
Size (Encapsulated
Module)
Weight
3.125 x 2.625 x 0.43 inches
(7.94 x 6.67 x 1.07 cm)
4 oz
(113 gm.)
NOTE: These specifications apply over temperature range, power supply range,
reference frequency and amplitude range, ±10% signal amplitude varia-
tion, and up to ±10% harmonic distortion in reference input.
POWER SUPPLIES
The main power supplies can vary over the specified ranges with
no change in converter specifications, except for a proportional
change in maximum tracking rates.
When testing or evaluating the converters, it is advisable to limit
the current in each of the supplies. Set each current limit 50%
greater than the maximum current listed for that supply as listed
in TABLE 1.
TIMING
FIGURE 2 shows the converter timing waveform. Whenever an
input angle change occurs, the converter changes the digital
angle in 1 LSB steps, and generates a Converter Busy (CB)
pulse. The CB is a positive pulse 0.2 to 1.5 sec long, or 0.375s
nominal. Data changes on the leading edge of the CB pulse, and
data can be transferred 0.5 sec after the leading edge.
DATA
VALID
6.1
s MIN
DEPENDS ON d
θ
dt
0.2-1.5
s
.5
s
DATA
VALID
INHIBIT
(INH)
"1"
"0"
CONVERTER
BUSY (CB)
"1"
"0"
FIGURE 2. SDC-630/632/634 A/ST TIMING DIAGRAM
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