### Enter servername/ip and https port of idrac interface
$server = "10.20.30.40:443"

### we need to send at least a header with 'accept'
$header = @{'Accept'='application/json;*/*'}

### call the redfish interface for 100 times
for ($i = 1; $i -lt 101; $i++)
{ 
    Write-Host "call #$i" -ForegroundColor Cyan
    try
    {
        $redResponse = $null
        $redResponse = Invoke-WebRequest -Uri "https://$server/redfish/v1" -Method Get -Headers $header
    }
    catch [System.Net.WebException]
    {
        Write-Host "Exception message: $($Error[0].Exception.Message)" -ForegroundColor Magenta
    }
    catch [System.Exception]
    {
        Write-Host "Other exception $($Error[0].Exveption.Message)" -ForegroundColor Magenta
    }

    ### we only can get a http status code, if we get a valid response
    if ($redResponse -ne $null)
    {
        Write-Host "HTTP Status Code: $($redResponse.StatusCode)"
    }

    ### wait some time before executing the next call
    [System.Threading.Thread]::Sleep(250)   #value in milliseconds
}