The Power Relay is a block added by RFTools.
Placed between an RF power source (such as a Powercell) and an RF power consumer, the Power Relay will throttle the flow of power. This can be useful when a limited supply of RF must be shared between machines. The amount of power can be specified in the GUI and altered by apply a redstone signal to the Power Relay.
The Power Relay GUI consists of two number fields for each of the six faces of the block. Plus (+) and Minus (-) buttons adjust the values up and down by 500 per increment, or the player can manually type a number into the field. The columns on the left and right are used to specify values for when the Power relay is or is not receiving a redstone signal. Colored boxes can be toggled between Orange (output) and Blue (input).
In the following example illustrations, a Powercell is connected to a Matter Transmitter, a Thermal Expansion Redstone Furnace and a Thermal Expansion Pulverizer. A Powercell has a maximum transfer rate of 5000 RF/t but in times of heavy demand, upgraded machines can potentially draw much more than that.
- When the Lever is OFF: 1,000 RF/t is reserved for the Matter Transmitter and the remaining power is split evenly between the Furnace and the Pulverizer.
- When the Lever is ON: All power is directed to the Furnace.