Like it or not, no central bank operating in an open economy can afford to ignore the exchange rate in setting monetary policy.
The fact that we have not only not increased the Official Cash Rate despite our currently low exchange rate but have actually felt able to reduce it in recent months largely reflects our assessment of the global economy, and our assessment that, for reasons not yet fully understood, the exchange rate is not providing the stimulus to export and import-competing industries that has been true in the past.