Preface 03.06iv © Siemens AG, 2006. All rights reservedSINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 03.2006 EditionTechnical SupportIf you have any questions, please get in touch with our Hotline:Europe and Africa time zoneA&D Technical SupportTel.: +49 (0) 180 / 5050 – 222Fax: +49 (0) 180 / 5050 – 223Internet: http://www.siemens.com/automation/support-requestEmail: mailto:adsupport@siemens.comAsia and Australia time zoneA&D Technical SupportTel.: +86 1064 719 990Fax: +86 1064 747 474Internet: http://www.siemens.com/automation/support-requestEmail: mailto:adsupport@siemens.comAmerica time zoneA&D Technical SupportTel.: +1 423 262 2522Fax: +1 423 262 2289Internet: http://www.siemens.com/automation/support-requestEmail: mailto:adsupport@siemens.comNoteCountry telephone numbers for technical support are provided under the followingInternet address:Enter http://www.siemens.com/automation/service&supportQuestions on the manualIf you have any queries (suggestions, corrections) in relation to this documentation,please fax or e-mail us:Fax: +49 (0) 9131 / 98 – 63315Email: mailto:motioncontrol.docu@siemens.comFax form: Refer to the reply form at the end of the document.SINUMERIK Internet addresshttp://www.siemens.com/motioncontrol