HEIDENHAIN PWM 20 - Manual (Page 3)

5.7.4 Indramat (I
2
C) .................................................................................................... 127
5.7.5 DRIVE-CLiQ ....................................................................................................... 130
5.7.6 Yaskawa serial interface .................................................................................... 144
5.7.7 Panasonic serial interface .................................................................................. 145
6 Checking incremental encoders ....................................................................................... 147
6.1 General information ..................................................................................................... 147
6.2 Analog output signals .................................................................................................. 147
6.2.1 Connecting the encoder .................................................................................... 147
6.2.2 Checking incremental signals ............................................................................ 148
6.2.3 Description of the incremental signal display .................................................... 151
6.2.4 Checking the reference signal (1 Vpp / 11 µApp) .............................................. 162
6.2.5 Zoom function for oscilloscope ......................................................................... 166
6.2.6 Recording function ............................................................................................ 167
6.2.7 Counter function ................................................................................................ 174
6.2.8 PWT test function .............................................................................................. 181
6.2.9 Checking a commutation encoder with Zn and Z1 track (e.g. ERN 1387) ......... 185
6.2.10 Checking homing/limit signals ......................................................................... 191
6.3 Digital TTL/HTL square-wave output signals .............................................................. 195
6.3.1 General information ........................................................................................... 195
6.3.2 Explanation of the display .................................................................................. 197
6.3.3 Level function
 Bar of oscilloscope settings, TTL ............................................ 198
6.3.4 Level function
 Oscilloscope display, TTL ........................................................ 199
6.3.5 Level function
 Bar graph display, TTL level .................................................... 201
6.3.6 Logic function, TTL ............................................................................................ 202
6.3.7 Logic function, bar graphs ................................................................................. 204
6.3.8 Counter function ................................................................................................ 206
6.4 Mounting wizards ........................................................................................................ 208
6.4.1 General information ........................................................................................... 208
7 Interface description.......................................................................................................... 209
7.1 General information ..................................................................................................... 209
7.2 Analog interfaces ........................................................................................................ 209
7.2.1 Incremental signals11 µApp .............................................................................. 209
7.2.2 Incremental signals 1 Vpp ................................................................................. 212
7.2.3 Incremental signals1Vpp with commutating signals ......................................... 215
7.3 Square-wave interfaces ............................................................................................... 216
7.3.1 Incremental signals TTL square-wave interface ............................................... 216
7.3.2 Incremental signals HTL (HTLs) square-wave interface .................................... 219
7.4 Absolute interface ....................................................................................................... 222
7.4.1 EnDat ................................................................................................................. 222
7.4.2 Synchronous serial interface; programming via connector ................................ 235
7.4.3 SSI synchronous serial interface with programming interface
(older rotary encoders) ...................................................................................... 238
7.4.4 Company-specific interfaces ............................................................................. 242
8 Contacts.............................................................................................................................. 243
8 Your HEIDENHAIN helpline ............................................................................................ 243
8 The HEIDENHAIN technical helpline .............................................................................. 243
8 HEIDENHAIN Helpline for
repairs, spare parts, exchange units, complaints and service contracts ....................... 243
8 Technical training............................................................................................................ 243