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Synchro/Resolver, Inductosyn, LVDT sensor Boards

KRES104-429 two Channel Syncro / Resolver / Inductosyn / LVDT Interface

KRES104-429 Two Channel PC/104 Syncro/Resolver/Inductosyn/LVDT subsystem board offers programmable features such as resolution, bandwidth and velocity output scaling.

KRES104-429 works in autonomous mode (onboard CORTEX-M4 processor) and can be configured and can transfer the data via optoisolated RS422/RS485/ RS232/CAN interfaces or via PC104 bus.

  • Two independent Differential Syncro/Resolver/Inductosyn/LVDT channels.
  • Connection to 11.8V or 90V Resolver/Syncros with onboard matrix resistors.
  • Fully PC/104 compliant.
  • Onboard CORTEX-M4, 160 MHz microprocessor.
  • RESOLUTION: 10, 12, 14, or 16 Bits.
  • LVDT RESOLUTION: 8, 10, 12, 14 Bits.
  • INDUCTOSYN RESOLUTION: 10, 12, 14, or 16 Bits.
  • ACCURACY: Min 2 + 1 LSB.
  • REPEATABILITY: LSB 1 max.
  • DIFFERENTIAL LINEARITY: LSB 1 max in the 16th bit .
    SIGNAL INPUT:
  • Type — Resolver, differential, ground based
  • Voltage operating Vrms — 2 ±15%
  • Overload V — ±25 continuous
  • Input impedance Ohm — 10M min//10 pf.
    DYNAMIC CHARACTERISTICS:
  • Resolution bits                                       10      12    14     16
  • Tracking Rate (max)              rps       1152    288    72    18
  • Bandwidth(Closed Loop)      Hz        1200  1200  600  300
  • Acceleration (1 LSB lag)        deg/s2    2M   500k  30k    2k
  • Settling Time(179° step)       msec          2         8     20   50
    VELOCITY CHARACTERISTICS:
  • Voltage Range(Full Scale) V — ±4 (at nominal ps)
  • Scale Factor Error % — 10 typ, 20 max
  • Scale Factor TC PPM/C — 100 typ, 200 max
  • Reversal Error % — 0.75 typ, 1.3 max
  • Linearity %- 0.25 typ, 0.50 max
  • Zero Offset mv — 5 typ, 10 max
  • Zero Offset TC μV/C — 15 typ, 30max
  • Noise (Vp / V)% — 1 typ, .125 min 2 max
    ONBOARD EXCITATION SYSTEM:
  • Two channel of onboard quadrature Sine wave excitation oscillators from 50 Hz to 40 KHz, with 2W output power
  • Output voltage: 0 to 17 V rms, programmable
  • Max output current: 0.2 A
    COMMUNICATION INTERFACES:
  • PC-104 ( via on board dual port memory).
  • Optoisolated RS422 Synchronous 16 bit Encoder Interface.
  • Optoisolated RS422 Terminal Mode.
  • Two channel optoisolated RS485 or RS232 (optional).
  • Two optoisolated CAN (optional).
    OPERATING CONDITIONS:
  • -40 — +85C Operating temperature range.
  • 5V only operation.

KRES-104 two channels synchro/resolver, LVDT to digital converter board with build-in a reference oscillator

KRES104
  • Sensors: Synchro, Resolvers, Inductosyn, LVDT, RVDT, MR and Hall Effect.
  • Sensor voltage: 2V, 11V, 90V.
  • Accuracy up to 2, 4, 8 arc minutes.
  • Programmable resolution 10, 12, 16 bits.
  • Dual bandwidth and tracking rate.
  • Up to 120000 rpm with resolution 10 bits.
  • On-board reference oscillator: 400Hz — 5000KHz or 50Hz — 400Hz.
  • Output voltage of on-board reference oscillator: 2V RMS, Z=100 Ohm.
  • Differential resolver input mode.
  • Mixed Decay
  • Programmable for LVDT input.
  • Two RS485 channels up to 600 KBaud.
  • PC104 interface, dual port memory 4KB for data exchange.
  • Board size: 90x95mm.
  • Power +5 Volt, 1A without external load.
  • -40°C to +85°C operational temperature.
3-lvdt-kres104
3-lvdt-kres104
2-lvdt-kres104
2-lvdt-kres104
resolver-kres104
resolver-kres104
synchro-kres104
synchro-kres104

SMSS-8 servo system based on stepper motor and 12 bit resolver

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    Resolver board:
  • 12 bit resolution resolver-to-digital converter
  • Angular accuracy +/- 10.6 arc min
  • Maximum tracking rate up to 30000 rpm
  • On board reference oscillator :
    — Differential output voltage 2v RMS
    — Load impedance 300 Om
    — Frequency 5 kHz
    Stepper motor boards:

Advance motor control of bipolar stepper motor

Microcontroller Infineon SAK-C164-LM

Drive input voltage range: up to 40V

Maximum drive current (per phase) up to 8A

Programmable holding current

    Multiple Decay modes:
  • Mixed Decay
  • Slow Decay
  • Fast Decay

Step modes: full, half, 1/4 … 1/256

High steps rate up to 30000 steps per second

Flexible platform accelerates integration process

Communication interface: CAN or RS485

Boot loader for firmware upgrades over serial port

Operational Temperature: -40°C to +85°C

PCB size: Ø 75mm