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參數(shù)資料
| 型號： | SD-14597F2-174W |
| 廠商： | DATA DEVICE CORP |
| 元件分類： | 位置變換器 |
| 英文描述： | SYNCHRO OR RESOLVER TO DIGITAL CONVERTER, CDFP36 |
| 封裝： | CERAMIC, FP-36 |
| 文件頁數(shù)： | 10/14頁 |
| 文件大?。?/td> | 416K |
| 代理商： | SD-14597F2-174W |
5
SOLID-STATE BUFFER INPUT PROTECTION — TRANSIENT
VOLTAGE SUPPRESSION
The solid-state signal and reference inputs are true differential
inputs with high ac and dc common rejection, so most applica-
tions will not require units with isolation transformers. Input
impedance is maintained with power off. The recurrent ac peak +
dc common mode voltage should not exceed the values in
TABLE 2.
REFERENCE
OSCILLATOR
PARALLEL
DATA
SD-14595/96/97
STATOR
ROTOR
S3
S1
S2
S1
S3
LBE
HBE
R2
R1
LO
HI
RH
VEL (VELOCITY)
INH (INHIBIT)
CB (COUNT)
RL
S4
REFERENCE
OSCILLATOR
PARALLEL
DATA
STATOR
ROTOR
S3
S1
S2
S1
S3
LBE
HBE
R4
R2
LO
HI
RH
VEL (VELOCITY)
INH (INHIBIT)
CB (COUNT)
RL
S4
RD-14595/96/97
FIGURE 4. SYNCHRO INPUT CONNECTION DIAGRAM
FIGURE 5. RESOLVER INPUT CONNECTION DIAGRAM
90 V line-to-line systems may have voltage transients which
exceed the 500 V specification listed.
These transients can
destroy the thin-film input resistor network in the hybrid.
Therefore, 90 V L-L solid-state input modules may be protected
by installing voltage suppressors as shown. Voltage transients
are likely to occur whenever synchro or resolver are switched on
and off. For instance a 1000 V transient can be generated when
the primary of a CX or TX driving a synchro or resolver input is
opened. See FIGURE 6.
INTERFACING - DIGITAL OUTPUTS AND CONTROLS
DIGITAL INTERFACE
The digital interface circuitry performs three main functions:
1. Latches the output bits during an Inhibit (INH) command allow-
ing stable data to be read out of the SD-14595/96/97.
2. Furnishes parallel tri-state data formats.
3. Acts as a buffer between the internal CMOS logic and the
external TTL logic.
In the SD-14595/96/97, applying an Inhibit (INH) command will
lock the data in the inhibit transparent latch without interfering
with the continuous tracking of the converter’s feedback loop.
Therefore the digital angle
φ is always updated and the INH can
be applied for an arbitrary amount of time. The Inhibit
Transparent Latch and the 50 ns delay are part of the inhibit cir-
cuitry. For further information see the INHIBIT (INH, PIN 13)
paragraph.
HYBRID
S3
S2
S1
RH
RL
CR1
CR2
S1
FOR 90 V SYNCHRO INPUTS
1N6071A
CR3
S2
S3
CR1, CR2, and CR3 are 1N6136A, bipolar transient voltage suppressors
or equivalent.
HYBRID
S3
S2
S1
S4
FOR 90 V RESOLVER INPUTS
CR4
CR5
S3
S2
S1
S4
90 V L-L
RESOLVER
INPUT
CR4 and CR5 are 1N6136A, bipolar transient voltage suppressors or equivalent.
FIGURE 6. CONNECTIONS FOR VOLTAGE
TRANSIENT SUPPRESSORS
COMMON MODE
MAXIMUM
100 V
30 V Peak
180 V Peak
250 V Peak
150 V
11.8 VL-L
90 VL-L
Reference
MAX TRANSIENT PEAK
VOLTAGE
1 VL-L
INPUT
TABLE 2.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SD-14597F2-202 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchro-to-Digital Converter |
| SD-14597F2-204 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchro-to-Digital Converter |
| SD-14597F2-205 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchro-to-Digital Converter |
| SD-14597F2-302 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchro-to-Digital Converter |
| SD-14597F2-304 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchro-to-Digital Converter |
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