local xml - every 5 minutes:

02:50:36 T:3868  NOTICE: AddOnLog: PVR IPTV Simple Client: EPG Loaded.
02:50:36 T:3868   DEBUG: EPG - EPG::CEpg::UpdateFromScraper - updating EPG for channel 'SR' from client '571'
02:50:36 T:2424   DEBUG: CPVRTimers - PVR::CPVRTimers::Update - updating timers
02:55:38 T:3868  NOTICE: AddOnLog: PVR IPTV Simple Client: EPG Loaded.
02:55:38 T:3868   DEBUG: EPG - EPG::CEpg::UpdateFromScraper - updating EPG for channel 'SR' from client '571'
02:55:38 T:2424   DEBUG: CPVRTimers - PVR::CPVRTimers::Update - updating timers
03:00:40 T:3868  NOTICE: AddOnLog: PVR IPTV Simple Client: EPG Loaded.
03:00:40 T:3868   DEBUG: EPG - EPG::CEpg::UpdateFromScraper - updating EPG for channel 'SR' from client '571'
03:00:40 T:2424   DEBUG: CPVRTimers - PVR::CPVRTimers::Update - updating timers

online xml and cache on - file is not being downloaded but creates session? - every 5 minutes:

03:35:42 T:1400   DEBUG: EPG - EPG::CEpg::UpdateFromScraper - updating EPG for channel 'TEST5' from client '571'
03:35:42 T:1400    INFO: XCURL::DllLibCurlGlobal::easy_aquire - Created session to http://epghost
03:36:25 T:32    INFO: XCURL::DllLibCurlGlobal::CheckIdle - Closing session to http://epghost (easy=08F3FB20, multi=00000000)

online xml and cache off - file is being downloaded - every 5 minutes:

03:44:41 T:5128   DEBUG: EPG - EPG::CEpg::UpdateFromScraper - updating EPG for channel 'TEST5' from client '571'
03:44:41 T:5128   DEBUG: CFileCache::Open - opening <epgfile> using cache
03:44:41 T:5128   DEBUG: CurlFile::Open(12CB0008) http://epgurl
03:44:41 T:5128    INFO: XCURL::DllLibCurlGlobal::easy_aquire - Created session to http://epghost