V545 24-channel VME synchro/LVDT simulation/acquisition module
- 24 transformer-isolated AC sinewave generator/acquisition channels
- Generalized ADC-DAC-DSP architecture
- Programmable functions include:
- LVDT acquisition, with internal or external excitation
- LVDT simulation, with internal or external excitation
- Synchro/resolver acquisition, with internal or external excitation
- Synchro/resolver simulation, with internal or external excitation
- Polyphase sinewave generation from 60 Hz to 20 KHz
- True RMS voltage measurement
- Synchronous detection
- Frequency measurement
- Realtime voltage and frequency measurement in all modes
- 16 bit ADC and DAC resolution
- Internal ARM9 CPU performs macro functions
- Clearly labeled dipswitches set VME address; no jumpers, headers, or trimpots
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The V545 is a generalized- DSP-based sinewave processor intended for both simulation and acquisition of LVDTs, RVDTs, synchros, and resolvers. 24 generalized, isolated channels are provided. Each channel can be a signal source or a measurement input. Users can program any desired relationship between input and output channels, allowing simulation and measurement of a wide range of inductive transducers, using internal or external excitation.
Per-Channel features include true RMS AC measurement, frequency measurement, programmable phase shift, and a versatile phase-sensitive detector.
Plugin transformers allow optional voltage input/output ranges. Software transformer ID is provided.
| FUNCTION | 24-channel LVDT/synchro simulator |
| DEVICE TYPE | 16-bit VME register-based slave: A24:A16:D16 Implements 1024 16-bit registers at switch selectable addresses in the VME 16 or 24 bit addressing spaces |
| CHANNELS | 24, transformer isolated |
| RANGES | Standard, ±10.24 volts peak using 1:1 transformers Other plugin transformers are available |
| RESOLUTION | 16 bits |
| SAMPLE RATE | 250 ksps/channel |
| FREQUENCY RANGE | 60 Hz to 20 KHz |
| OPERATING TEMPERATURE | 0 to 60°C; extended MIL/COTS ranges available |
| CALIBRATION INTERVAL | Two years |
| POWER | Standard VME supplies : +5 volts, 500 mA max +12 volts, 800 mA max -12 volts, 800 mA max |
| CONNECTORS | Two female D25 connectors |
| INDICATORS | LEDs indicate VME access, CPU activity, error conditions Additional LED is user programmable |
| PACKAGING | 6U single-wide VME module |
| CONFORMANCE | ANSI/VITA 1-1994 (R2002) VMEbus spec; does not support byte writes |
Block Diagram: V545 synchro/LVDT simulation/acquisition module
V545-1: 24-channel VME synchro/LVDT simulation/acquisition module