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Signal Conv.s
Special Design

Isolated Synchronous-Serial-

SSI 1276

for Encoders with SSI-Interface


  • 4 Isolated Synchronous-Serial-Interfaces
  • 6 Isolated Digital Output Channels
  • General
    • The card SSI 1276 is an interface card for PC's and compatible. It serves for the measured value admission of maximally
      4 absolute encoders with synchron serial interface with separation from periphery and system side. Additionally the card prossesses 6 digital outputs and 4 zero-inputs. The value '0' can be assigned by these zero-inputs to each encoder in each position. All inputs and outputs are galvanic isolated by optocouplers to the system side.
  • Programming
    • The controlling of the data transmission takes place via the timer/counter chip 82C54. This component possesses
      3 counters. The following parameters of the data transmission can be adjusted by programming of these counters.
    • Used Interfaces: Programmable Parameter:
      -one Interface: -Clock Frequency
      -Number of Bits
      -Measuring Rate
      -2 to 4 Interfaces: -Clock Frequency
      -Number of Bits
  • Technical Specifications
    • Synchron-Serial-
      4x SSI-Interface optoisolated
      -Interrupt: IRQ10, 11, 12 or 15
      -Data-Input Channels: EIA RS422 optoisolated
      -Received Bits: max. 25 Bit
      -Clock Output: EIA RS422 optoisol.
      -Clock Frequency: max. 1 MHz
      Outputs: 6 digital Outputs
      -Switchable Output Current: max. 30 V / 25 mA
      -External Power Supply: max. 30 V
      Supply Voltage: +5 V, max. 0,5 A
      Connector: DB37-male
      EMC: EMC-conform to 2004/108/EG
      Operating Temperature: 0 - 50 °C
      Storage Temperature: -25 to + 85 °C
      Dimensions: 162 x 112 mm
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