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The Signal Switcher enables the use of one drive with two separate encoders, switching between encoder inputs as needed. Its optically isolated inputs accept signals from two different voltage levels, including signals from differential line drivers, open collector, and even proximity probes. It has a wide input voltage range of 4-26 VDC and high power differential adaptive line driver outputs. It can switch seamlessly from one encoder to another in just microseconds and can also convert signals between high and low voltage levels.
Unit of Measure

Technical Specs

Brands

 N/A
Dynapar™

NorthStar™

Model

 N/A RIM SSW

Type

 N/A RIM Signal Switcher

Input Signal

 N/A 2 or 3 channel quadrature signal, square wave, open collector, differential, or single ended line driver

Direct Current (DC) Input Signal Voltage

 N/A 4 to 26 V

Minimum Input Signal Current

 N/A 2.2 mA

Typical Input Signal Current

 N/A 3.5 mA

Input Signal Impedance

 N/A Optically isolated, 1 kOhm at 4V, 6.8 kOhms at 24V typical. Current limited.

Operating Frequency

 N/A 0 to 100 kHz

Output Signal

 N/A Differential driven square wave, signal level approximately equivalent to input supply voltage

Key Features

N/A

  • Accepts A, B, and Z inputs from two separate encoders
  • Eliminates the need for two input devices
  • Status indicators for normal operation and encoder selection
  • Thermal, under voltage, reverse polarity, and overload protection
  • Provides redundancy and backup

Additional Information

N/A The Switcher can also perform signal level conversions from low to high or high to low voltages. It has thermal, under voltage, reverse polarity, and overload protection and a fail-safe mode which directly connects input terminals through dry contacts during power losses and faults. Its front panel has a status indicator showing normal operation and encoder selection. The Signal Switcher is approximately three by five inches in size and mounts with DIN 32 or 35 mounting hooks.