Hari please correct me if I'm wrong, but here is what I got so far:
http://wiki.linuxmce.org/index.php/Everspring_SP103#SetupSetup
In a nutshell
Step 1: Addition/Inclusion of motion sensor to ZWave network
Step 2: Association of motion sensor via LinuxMCE WebUI
Addition/Inclusion
1. Remove batteries from motion sensor
2. Unplug USB ZWave controller from Core
3. Put ZWave controller into inclusion mode
4. Complete inclusion process by inserting batteries in motion sensor
5. Plug ZWave controller back to LinuxMCE Core
Association
1. Collect data from your ZWave controler needed for association
1.1. Advanced -> Configuration -> Devices
1.2. In left windows scroll down to ZWave and click on ZWave Controller
1.3. Read Port/Channel Number, in my case "1"
2. Associate Motion sensor
2.1. Wizard -> Devices -> Interfaces
2.2. Click Advanced button for ZWave device with Device Template #: 1754
2.3. Click Send command to device
2.4. Select Set Association" from drop down menu