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CPCI-75SD1-08CMP4-XX PDF预览

CPCI-75SD1-08CMP4-XX

更新时间: 2024-10-29 23:43:23
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Converter

CPCI-75SD1-08CMP4-XX 数据手册

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APEX Signal, A Division of NAI, Inc.  
cPCI-75SD1  
cPCI  
EIGHT (8) SYNCHRO/RESOLVER-to-DIGITAL  
TWO-SPEED OR SINGLE SPEED OR COMBINATIONS (PROGRAMMABLE)  
MULTI-SPEED RATIOS: 2 to 255; OPTIONAL INTERNAL REFERENCE  
ACCURATE VELOCITY OUTPUTS, CONTINUOUS SELF TEST  
TO COMMERCIAL OR MILITARY SPECIFICATIONS  
16 bit resolution (24 bit combined)  
1 arc minute accuracy  
Continuous background bit testing with Reference and Signal loss detection  
Power-On Self-Test (POST)  
S/D channels are self-calibrating  
50 Hz to 10 kHz  
Encoder (A & B) plus Index outputs; Programmable resolution  
Equivalent A, B, & C Hall Effect commutation outputs  
Synchro/Resolver programmable  
Transformer isolated  
Accurate Digital Velocity outputs  
Latch feature  
Synthetic reference compensates for ±60° phase shift  
I/O via front panel, J2 or both  
2,4,or 8 channels available  
Commercial or severe environment MIL  
DESCRIPTION:  
This single slot card contains eight separate transformer isolated Synchro/Resolver-to-Digital tracking  
converters, optional 5 VA reference, and extensive diagnostics. The (8) measurement channels also produce  
differential incremental encoder (A&B) outputs (with programmable resolution) and a zero degree marker pulse or  
Commutation outputs for 4, 6, or 8 pole brushless DC motors that eliminate the need for Hall Effect sensors on the  
motor thus eliminating processor time and reducing bus traffic. The S/R/D channels incorporate high linearity digital  
velocity outputs, angle change alert and can be field configured for either single speed or multi-speed to any ratio  
between 2 and 255. Ambiguity circuits maintain monotonic outputs by compensating for misalignment between the  
Coarse and Fine Synchros, however, the processor will set a flag when it senses that the max. allowable misalignment  
of 90°/gear ratio is exceeded. The S/R/D channels, even when large accelerations are encountered, never looses  
tracking, because they incorporate the unique capability to automatically shift to higher bandwidths. The shifting is  
smooth and continuous with no glitches. Tracking rates are only limited to bandwidth restrictions, up to 150 RPS, at 16  
bit resolution. The “Latch” feature permits the user to read all channels at the same time. Reading will unlatch the  
channel. The use of Type II servo loop processing techniques enables tracking, at full accuracy, up to the specified  
rate. A step input will not cause any hang-up condition. Intermediate transparent latches, assure that current valid data  
is always available for any channel without effecting the tracking performance of the converters. Each channel can be  
specified for a different voltage,frequency or resolution.  
To simplify logistics, Part number, S/N, Date code, & Rev. are located in permanent memory locations.  
Apex Signal, A Division of NAI, Inc.  
170 Wilbur Place, Bohemia, NY, 11716,USA  
631.567.1100/631.567.1823(fax)  
www.naii.com / e-mail:sales@naii.com  
1-17-01  
Code:OVGU1  
s 75 SD1 A001 REV 1.4  
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