RPS6U 200-582-200-122 / RPS6U 200-582-200-011 convert the external 24 VDC feed into the three rails used by the ABE04x backplane, with output capacity governed by hardware version, rack load and temperature.

1. 01

   Three-rail conversion

   Each RPS6U 200-582-200-122 / RPS6U 200-582-200-011 converts 24 VDC into +5 VDC, +12 VDC and -12 VDC. The +5 V rail carries the largest card load, while the ±12 V rails serve the rack circuits that require bipolar supplies.

2. 02

   Backplane delivery

   Two DIN 41612 H15 high-current connectors couple RPS6U 200-582-200-122 / RPS6U 200-582-200-011 to the ABE04x backplane. Power and status signals therefore enter the rack through the rear connectors rather than through field terminals on the front panel.

3. 03

   Load and temperature relationship

   A later RPS6U version can supply up to 330 W, while the earlier rated-power version is limited to 300 W. Above 50 °C, card population and cooling method determine the permitted combined load on RPS6U 200-582-200-122 / RPS6U 200-582-200-011.

The front indicators, rear power-check path and internal protection stages separate an external-feed problem from a failed conversion rail or an overloaded rack.

1. 01

   Input and rail indicators

   The green IN indicator on RPS6U 200-582-200-122 / RPS6U 200-582-200-011 confirms that the external feed is present and within range. Separate yellow +5 V, +12 V and -12 V indicators show which regulated outputs are being generated.

2. 02

   Protection response

   Output overvoltage protection latches off the affected RPS6U 200-582-200-122 / RPS6U 200-582-200-011 supply. Short-circuit and overload protection recover automatically after the excessive load is removed.

3. 03

   Redundant supply path

   Two RPS6U units can operate redundantly when the rack uses independent input paths. If one supply stops, the other must be sized to carry the complete rack load rather than only its previous share.