Use the below snippet to connect to your OpsMgr powershell using Windows Powershell ISE.
There after you can use the cmdlets present in SCOM 2012 freely
## Common script for connecting to SCOM 2012 Management Server
$reg = Get-Item "HKLM:\SOFTWARE\Microsoft\Microsoft Operations Manager\3.0\Agent Management Groups\SCOM2012PROD\Parent Health Services"
$RMS = $reg.GetValue("NetworkName")
Import-Module -Name OperationsManager
New-SCmanagementGroupConnection $RMS | Out-Null
Write-Host $RMS -foregroundcolor Red
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