How to implement Multiple Idps for single service provider with component space

How to implement Multiple Idps for single service provider with component
space

Basically, am new for SAML.
We are using Component Space SAML v2.0 Suite for accessing One Idp with
Service Provider.
Question How can we access multiple Identity Provider with our Service
Provider.
We are trying to connect Identity Provider - Edugate.
Can any one mention what is the procedure to get the certificate and how
to use the certificate in case loading multiple certificate for accessing
multiple Idps.
Have gone through
http://www.componentspace.com/Products/SAMLv20.aspx
http://www.componentspace.com/Documentation/SAML%20v2.0%20Developer%20Guide.pdf
Whether we need to generate pfx certificate with cer certificate and
private key if yes what tool i need to do that.
Please guide us with detailed steps. Thanks in advance.