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參數(shù)資料
| 型號： | SDC-14562-205 |
| 廠商： | DATA DEVICE CORP |
| 元件分類： | 位置變換器 |
| 英文描述： | SYNCHRO OR RESOLVER TO DIGITAL CONVERTER, DIP36 |
| 封裝： | 1.900 X 0.780 INCH, 0.210 INCH HEIGHT, DOUBLE WIDTH, KOVAR, DIP-36 |
| 文件頁數(shù)： | 10/12頁 |
| 文件大小： | 196K |
| 代理商： | SDC-14562-205 |
VELOCITY OUTPUT
The Velocity output (VEL) from the SDC-14560 is a DC voltage
proportional to angular velocity d
θ/dt = dφ/dt. The velocity input is
the second integrator, as shown in FIGURE 7. Its linearity is
dependent solely on the linearity of the voltage controlled oscil-
lator (VCO). Due to the highly linearized VEL output, the electro-
mechanical tachometer can now be eliminated from motion con-
trol systems. Bandwidth (BW) and the acceleration constant (Ka)
can be determined from the formulas shown:
BW(Hz) = BW(rad/sec)/2
π
Ka = A2
Outputs e and VEL are not required for normal operation of the
converter. V is used as an internal DC reference with the direct
input option. Maximum loading on V is 40k Ohm; maximum load-
ing for e and VEL is 3k Ohm. The velocity characteristics are
shown in TABLES 4 and 5.
Output e is not closely controlled or characterized. Consult the
factory for further information.
FIGURES 11, 12, 13 are the synchro, resolver, and direct input
connection diagrams, respectively.
7
REFERENCE
OSCILLATOR
PARALLEL
DATA
SDC-14565/4/6
STATOR
ROTOR
S3
S1
S2
S1
S3
R4
R2
LO
HI
RH
VEL (VELOCITY)
INH (INHIBIT)
CB (COUNT)
RL
S4
EL
EM
REFERENCE
OSCILLATOR
PARALLEL
DATA
SDC-14567/8/9
STATOR
ROTOR
SIN
COS
S2
S1
S3
R4
R2
LO
HI
RH
VEL (VELOCITY)
INH (INHIBIT)
CB (COUNT)
RL
V
S4
EL
EM
FIGURE 12. RESOLVER INPUT
CONNECTION DIAGRAM
FIGURE 13. DIRECT INPUT
CONNECTION DIAGRAM
TABLE 4. VELOCITY CHARACTERISTICS
PARAMETER
UNITS
STANDARD
HI LIN
TYP
MAX
TYP
MAX
Polarity
Output Voltage
Voltage Scaling
Scale Factor
Scale Factor TC
Reversal Error
Reversal Error TC
Linearity
Linearity TC
Zero Offset
Zero Offset TC
Load
V
RPS/10 V
%
PPM/°C
%
PPM/°C
% output
PPM/°C
mV
V/°C
kOhm
TABLE 5. VELOCITY VOLTAGE SCALING
BW
RESOLUTION
(values in RPS/Volt)
10
12
14
16
Hl
LO
16
4
1
0.25
0.063
Note: If the resolution is changed while the input is changing, then the
velocity output voltage and the digital output will have a transient until
it settles to the new velocity scaling at a speed determined by the
bandwidth. If additional information is required consult the factory.
REFERENCE
OSCILLATOR
PARALLEL
DATA
SDC-14560/1/2/3
STATOR
ROTOR
S3
S1
S2
S1
S3
EL
EM
R2
R1
LO
HI
RH
VEL (VELOCITY)
INH (INHIBIT)
CB (COUNT)
RL
FIGURE 11. SYNCHRO INPUT
CONNECTION DIAGRAM
TABLE 6. OVERALL ACCURACY (MIN.) VS. RESOLUTION
ACCURACY
GRADE
(MINUTES)
RESOLUTION PROGRAMMED TO:
10 BIT
12 BIT
14 BIT
16 BIT
±1 +1 LSB
±2 + 1 LSB
±4 + 1 LSB
±6 + 1 LSB
22.1
23.1
25.1
27.1
6.3
7.3
9.3
11.3
2.3
3.3
5.3
7.3
1.3
2.3
4.3
6.3
Positive for increasing angle.
±13
±10min
±13
±10min
See Voltage Scaling Table 5.
10
15
10
15
100
200
100
200
1
2
0.5
0.7
25
50
25
50
1
2
0.5
0.7
25
50
25
50
15
40
15
40
25
50
25
50
-
3 min
-
3 min
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