$username = "administrator"
$password = "your-super-secret-password"
$securePassword = ConvertTo-SecureString $password -AsPlainText -Force
$cred = New-Object -TypeName System.Management.Automation.PSCredential -ArgumentList $username, $securePassword

$pstimeout = New-PSSessionoption -OperationTimeout (1000*60*5)
$session = New-PSSession -computer $ipAddress -Credential $cred -ErrorAction Stop -SessionOption $pstimeout