Logic Supply +Vcc (+5, +15 Or +24 V Dc) And Dc Return Is Supplied Throughthe 2 Terminal Logic Supply Connector, Marked With + Or –
Logic Supply Dc Return Is Connected To All Even Pins Of The 50 Pin Edge Card Connector
Signal Pin Is Pulled Up To +Vcc When Not Asserted, Down To Dc Return When Asserted.
Power-Side Terminals Are Polarized For Dc Applications, And Non-Polarized For Ac Applications.
The Backplane Is Shipped With A Jumper Configuration To Supply The Logic Voltage Through Pins 1 And 49 Of The Edge Connector. If Logic Voltage Is Not Desired On These Pins The J Suffix.
Logic-Side Connector Pin Numbers Are For 50 Pin Connector.
WRC4-A16H can be used with up to 16 WRC4-series I/O modules. The terminal blocks 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 WRC4-A16H-DIN for mounting on DIN rails, such as the WRC50022. Logic side connections are via a 50-conductor header connector. Specify 1781-CxHx Cable Assembly.
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