Trips and Fault Finding 7-4 
650 Series AC Drive 
Hexadecimal Representation of Trips 
The tables below show the possible parameter values for the AUTO RESTART TRIGGERS and 
AUTO RESTART TRIGGERS+ parameters, 
S
ST23 and 
S
ST24 respectively. Refer to the 650V 
Software Product Manual, "Trips Status" (on our website: www.SSDdrives.com) for additional 
trip information that is available over the Comms. 
Each trip has a unique, four-digit hexadecimal number number as shown in the tables below. 
S
ST23 : AUTO RESTART TRIGGERS  
ID  User 
 
Trip Name 
(MMI 6901) 
Trip Name 
(MMI 6511 & 6521) 
Mask 
Disable 
1  OVERVOLTAGE       DCHI  0x0001   
2  UNDERVOLTAGE      DCLO  0x0002   
3  OVERCURRENT       OC  0x0004   
4  HEATSINK          HOT  0x0008   
5  EXTERNAL TRIP     ET  0x0010 
9 
6 
INVERSE TIME 
 
0x0020  
7 
CURRENT LOOP    
 
0x0040 
9 
8 
MOTOR STALLED    
 
0x0080 
9 
9 
ANIN FAULT          
 
0x0100 
9 
12 
DISPLAY/KEYPAD       
 
0x0800 
9 
13  LOST COMMS        SCI  0x1000 
9 
14  CONTACTOR FBK     CNTC  0x2000 
9 
 
 
S
ST24 : AUTO RESTART TRIGGERS+  
ID  User 
 
Trip Name 
(MMI 6901) 
Trip Name 
(MMI 6511 & 6521) 
Mask + 
Disable 
 17 
MOTOR OVERTEMP   
 
0x0001 
9 
 18  CURRENT LIMIT     I HI  0x0002   
 21  LOW SPEED OVER I  LSPD  0x0010   
 22  10V FAULT        T 4  0x0020 
9 
 24  SHRT  SHRT  0x0080   
 25  DC LINK RIPPLE  DCRP  0x0100 
9 
 26  DBSC  DBSC  0x0200   
 28  ANOUT FAULT             T 5  0x0800 
9 
 29  DIGIO 1 (T9)  FAULT     T 9  0x1000 
9 
 30  DIGIO 2 (T10) FAULT    T 10  0x2000 
9 
 31  UNKNOWN           TRIP  0x4000   
 33  ICAL          ICAL  0x8000   
 
Keypads (MMIs):
 
Trips shown as MMI displays in the tables above, i.e.           , can be disabled using the 
keypads in the TRIPS menu. Other trips, as indicated, can be disabled over the Comms. 
 
 
 
6521
6901
6511