Elmo SSA Series - Page 5

5
SSA - Rev 6/98
6.3 Load inductance..............................................................................................................................................................21
6.4 DC power supply ............................................................................................................................................................21
6.5 Wiring diagrams.............................................................................................................................................................23
7. START - UP PROCEDURES ..................................................................................................28
7.1 Common procedures for all amplifiers types.................................................................................................................28
7.1.1 Inhibit logic...............................................................................................................................................................28
7.1.2 Velocity mode............................................................................................................................................................30
7.1.3 Current mode.............................................................................................................................................................30
7.1.4 Static current limits ...................................................................................................................................................31
7.2 Velocity control using tachogenerator feedback............................................................................................................32
7.3 Velocity control using armature voltage feedback.........................................................................................................32
8. AMPLIFIER ADJUSTMENT AND DIAGNOSTICS..................................................................34
8.1 Balance adjustment ........................................................................................................................................................34
8.2 Verifying the static current limits..................................................................................................................................34
8.3 External Current Limit (ECL) adjustment....................................................................................................................35
8.4 Adjustment of the IxR compensation .............................................................................................................................35
8.5 Response adjustment (Velocity mode only)....................................................................................................................36
9. TABLES AND SUMMARIES ...................................................................................................38
9.1 Adjusting trimmers.........................................................................................................................................................38
9.2 LED diagnostics..............................................................................................................................................................38
APPENDIX A - RESPONSE ADJUSTMENT - CURRENT LOOP................................................39
SERVICE CENTERS AND WARRANTY......................................................................................44