User Manual of EM760 High-Performance Inverter 7.2.1 Synchronous motor SVC control (non-standard)..................................................211 7.2.2 Synchronous motor FVC control ......................................................................... 213 7.3 Motor Parameter Self-identification ................................................................................ 213 7.3.1 Parameter Self-identification ofAsynchronous Motor ........................................ 213 7.3.2 Parameter Self-identification of Synchronous Motor ..........................................
214 Chapter 8 Protection/Warning Solutions...........................................................................216 8.1 Protection content ............................................................................................................ 216 8.2 Protection analysis ........................................................................................................... 221 8.2.1 Failure in parameter setting of function codes ..................................................... 222 8.2.3 Too long acceleration time ofmotor ....................................................................
222 8.2.4 Too long deceleration time of motor.....................................................................224 8.2.5 Electromagnetic interference and RF interference ............................................... 224 8.2.6 Action of leakage circuit breaker ......................................................................... 224 8.2.7 mechanical vibration ............................................................................................ 224 8.2.8 Motor rotation in the absence of inverter output .................................................. 225 8.2.9 Inconsistency between output frequency and set frequency ................................
225 8.3 Daily Maintenance of Inverter..........................................................................................226 8.4 Instructions for Inverter Warranty ................................................................................... 227 Chapter 9 Select accessories ............................................................................................... 228 9.1 Braking Resistor ...............................................................................................................228 9.2 Braking unit .....................................................................................................................
229 9.2.1 Selection of Connecting Wires..............................................................................231 9.3 Multi-functional IO expansion card..................................................................................231 9.4 Encoder expansion card (PG card) .................................................................................. 235 9.4.1 PG card (EM760-PG-OD1) of open-collector (differential) encoder .................. 235 9.4.2 PG card with divided frequency (EM760-PG-OD2) of open-collector (differential) encoder .................................................................................................................
237 9.4.3 UVW differential encoder PG card (EM760-PG-U1)...........................................240 9.4.4 Rotary transformer PG card (EM760-PG-R1) ..................................................... 242 9.4.5 Sincos encoder PG card (EM760-PG-S1) ............................................................ 244 9.5 Expansion card for communication ................................................................................. 245 9.5.1 CANopen communication card (EM760-CM-C1)................................................245 9.5.2 PROFINET communication card (EM760-CM-PN1) .........................................
247 9.6 Wi-Fi module....................................................................................................................248 Technical specification ............................................................................................................ 248 Product characteristics ............................................................................................................. 248 9.7 EM760 LED two-row keyboard .......................................................................................249 11