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| 型号： | VME-64SD1-16MSF6-07 |
| 英文描述： | Converter |
| 中文描述： | 转换器 |
| 文件页数： | 1/10页 |
| 文件大小： | 261K |
| 代理商： | VME-64SD1-16MSF6-07 |
Apex Signal, A Division of NAI, Inc.
631.567.1100/631.567.1823(fax)
2-05-01
S 64 SD1 A001 REV A 1.4
170 Wilbur Place, Bohemia, NY, 11716,USA
www.naii.com / e-mail:sales@naii.com
Code:OVGU1
Page 1 of 9
APEX Signal, A Division of NAI, Inc.
VME-64SD1
SIXTEEN (16) SYNCHRO/RESOLVER-to-DIGITAL
TWO-SPEED or SINGLE-SPEED or COMBINATION ( PROGRAMMABLE)
ON-BOARD PROGRAMMABLE REFERENCE SUPPLY
TO COMMERCIAL OR MILITARY SPECIFICATIONS
16-bit resolution (optional 24 bits combined)
±1 arc-minute accuracy
Continuous background BIT testing with Reference and Signal loss detection
Self-calibrating. Does not require removal for calibration
50 Hz to 10 kHz operation
Tracking rate to 150 RPS
16, 12, 8, 4 and 2-channel versions available
Programmable 2-speed ratios: 2 to 255
Power-On Self-Test (POST)
Accurate Digital Velocity outputs
Optional programmable encoder (A & B) plus index outputs
Optional equivalent Hall Effect (A, B, C) commutation outputs
Optional on-board programmable reference supply
Watchdog timer and soft reset
Angle change alert
Transformer isolated
Synthetic reference compensates for
±60° phase shift
Optional conduction cooling with wedgelocks
I/O via front panel, P2 or both
Latch feature
No adjustments or trimming required
Part number, S/N, Date Code and Revision in permanent memory
DESCRIPTION:
This high density intelligent DSP-based card incorporates up to sixteen (16) single-speed or eight (8) two-speed
transformer isolated Synchro/Resolver-to-Digital tracking converters with extensive diagnostics, digital velocity outputs,
angle change alert, and optional programmable reference supply.
Any combination of two-speed
and single-speed
channels can be field programmed to any ratio between 2 and 255. Each channel also produces differential (A & B)
incremental encoder outputs (with programmable resolution) and a zero degree marker pulse. Alternatively,
commutation outputs are available 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. For 2-speed usage, 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 maximum allowable misalignment of 90
°/gear ratio is exceeded.
This card, even when large accelerations are encountered, never looses tracking, because it incorporates 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 that channel. The angle alert monitors each channel
for the programmed angle difference and sets an interrupt as soon as that threshold is reached. Thus, no polling of
the angle registers is required until an angle has reached the specified difference. 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, on all angle and velocity outputs, assure that valid data is always
available without interrupts or waiting time. Our synthetic reference compensates for
±60° phase shifts, thus
eliminating the need for individual compensation networks. Each channel can be specified for a different voltage or
frequency. A watchdog timer is provided to monitor the processor. Part number, S/N, Date Code and Revision are
stored in permanent memory.
This board can operate over a "C" or "M" operating temperature range (see part number). The "C" version (0°C to
+70°C) uses standard high quality commercial semiconductors. The "M" version (-55°C to +85°C), used for severe
environmental conditions, uses high quality extended temperature semiconductors. Conduction cooling, using a
thermal plane and wedge locks, can be specified in the part number.
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