Dosing Pump

Introduction:

 * Turns on a defined Relay Box Port, RelayExpansion Port (or PowerControlExpansion if the unit is 12V compliant eg RA Dosers) every defined amount of minutes, for a specific number of seconds.
 * An offset is supplied to allow the same schedule of dosing, but with a start offset in minutes.
 * This is useful for Dosers, Kalk Stirrers and Feeders

Values:

 * Specified Relay Port ( or PowerControl Port if applicable)
 * Cadence in Minutes for the pump (Turn on every x amount of minutes)
 * Duration in Seconds that the pump is on
 * Offset in Minutes