The extension cards 'relay card FDAZ295' and '4…20mA card FDAZ296' can be installed in slot (1) or (2). Two extension cards of the same type can be installed.

Recommendation: Install 'relay card FDAZ295' (3) in slot (2) to make cabling easier.

Installing an extension card
  1. Disconnect the power supply DC 24 V: pull the connector out.
  1. Position the extension card.
  • Align the 14-pin connector with the socket.
  1. Carefully insert the 14-pin connector.
  1. Push the extension card on as far as it will go.
  • The snap fasteners latch into place. The extension card is now installed.
  1. Plug in the DC 24 V connector.