3Table of contentsTable of contents1. Preface............................................................................................................. 41.1 Information on special measures.......................................................................................41.2 Documentation.....................................................................................................................41.3 Validity and liability .............................................................................................................41.4 Copyright ..............................................................................................................................51.5 Pay attention to markings ...................................................................................................62. Product Description ....................................................................................... 72.1 General .................................................................................................................................72.2 Operation ..............................................................................................................................72.2.1 Operation TTL with zero singal ..............................................................................................82.2.2 Operation BiSS and Endat.....................................................................................................82.3 Material number ...................................................................................................................92.4 Scope of delivery (option or replacement delivery) .......................................................102.5 Mechanical installation .....................................................................................................103. Description of the Interface ......................................................................... 113.1 Voltage supply ................................................................................................................... 113.2 Channel 1............................................................................................................................ 113.2.1 Specifications....................................................................................................................... 113.2.2 Description of X3A ...............................................................................................................123.3 Connenction of the encoder Biss + 1 Vpp / EnDat + 1 Vp ..............................................133.3.1 Encoder cable for evaluation without 1 Vpp-signals ............................................................143.3.2 Encoder cable for evaluation with 1 Vpp-signals .................................................................143.3.3 Encoder line length ..............................................................................................................143.3.4 Tested encoders ..................................................................................................................153.3.5 Connection of the encoder cable shield...............................................................................154. Start-up .......................................................................................................... 164.1 Encoder 1 status (Ec.37) ...................................................................................................164.1.1 Error Messages ...................................................................................................................174.1.2 Encoder 1 read/write (Ec.38, if supported by the encoder) .................................................17