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WRC4-A4T

Product Family: Discrete I/O Mounting Boards
   

Specifications:

  •  Logic Connector - Terminals
  •  Wire Gauge - 12-22
  • Quad I/O - –
  • WRC4 I/O - 4
  • Classic I/O - –
  • Slim I/O - –
  • Industry Model - *4-PB4

Industry model *4-PB4
equivalent to Crydom/Crouzet C4 series and Opto 22 G4 series

  • 1. Signal-side +Vcc (terminal 1) supplies +5, +15 or +24 V dc logic voltage.
  • 2. Logic-side dc return is connected to all even terminals on the signal side.
  • 3. Signal terminal is pulled up to +Vcc when not asserted, and pulled down to dc return when asserted.
  • 4. Power-side terminals are polarized for dc applications, and non-polarized for ac applications.
  • 5. Power-side terminal 1 is not connected on 1781-A4T.

WRC4-A4T and 1781-A4T mounting boards can be used with up to four WRC4-series I/O modules (WRC4-A4T) or four standard, slim or miniature I/O modules (1781-A4T). The barrier strips on the 1781-A4T accept ring or spade lug, while they both accept insulated wire with stripped ends or ferrules. Each power side point is individually isolated. The signal side has a common dc return and common logic supply bus (+Vcc) for negative-true logic applications. They are designed for panel mounting with four stand-offs. Specify 1782-A4T or WRC4-A4T-DIN for mounting on DIN rails such as the WRC50022.

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