5 
6.13 Communication parameters (Group P15) ...................................................................................... 176 
6.14 Keyboard display setting parameters (Group P16) ........................................................................ 178 
6.15 Fieldbus option parameters (Group P40) ...................................................................................... 180 
6.16 Protection and fault parameters (Group P97) ................................................................................ 181 
6.17 Drive parameters (Group P98) ...................................................................................................... 187 
Chapter 7 Troubleshooting .............................................................................................. 189 
7.1 Displaying exception and solutions .................................................................................................. 189 
7.2 Operation exception and solutions .................................................................................................. 196 
Chapter 8 Maintenance ................................................................................................... 199 
8.1 Daily maintenance ........................................................................................................................... 199 
8.2 Periodical maintenance ................................................................................................................... 200 
8.3 Replacing wearing parts .................................................................................................................. 200 
8.4 Storage of drive ............................................................................................................................... 201 
Appendix 1 Modbus Communication Protocol ................................................................. 202 
1. Networking mode............................................................................................................................... 202 
2. Interface mode .................................................................................................................................. 202 
3. Communication mode ........................................................................................................................ 202 
4. Protocol format .................................................................................................................................. 202 
5. Protocol functions .............................................................................................................................. 204 
6. Control parameters and status parameters of drive ........................................................................... 211 
7. Expand access mode ........................................................................................................................ 218 
8. Cautions ............................................................................................................................................ 223 
9. CRC verification................................................................................................................................. 225 
10. Application example ......................................................................................................................... 227 
11. Scaling of drive parameters ............................................................................................................. 229 
Appendix 2 Braking Components .................................................................................... 230 
Appendix 3 Warranty and Service ................................................................................... 232 
Parameter record table ....................................................................................................  234 
Wring diagram ................................................................................................................. 235