18
MOVITRAC
®
31.. – FRS 31
5
Fault Messages
5
Fault Messages
The following fault messages can occur especially in Synchronous Operation.
For a complete list of faults refer to the MOVITRAC
®
31.. Operating Instructions.
No. FAULT MESSAGE
Switch-off mode
Reset Cause
11
SPEED DETECTION
Immediate
switch-off
●
Only with active speed control
– FEN 31 option board not installed
– Wrong option board installed
– Cable break between TLs 94 or 97 and encoder
35
FRS ENCODER
CONNECTION
Immediate
switch-off
●
Power supply to incremental encoder
– defective (switch-mode power supply)
– interrupted (cable break)
36
MASTER SLAVE
CONNECTION
Immediate
switch-off
●
Cable break detected on master-slave line (if P 557 = “Yes”)
– setpoint connection to slave terminals 98-101 lost
– reference signal from “zero speed” binary output on master
→
“FRS CTRL” binary input on slave lost
– no input on slave has been assigned to “FRS CTRL”
– no output on master has been assigned to “zero speed”
– no master inverter present
– encoder with < 512 pulses/revolution
– speed control mode on master FRS
PARAMETER DATA FAULT disabled
37
FRS RAM FAULT
Immediate
switch-off
●
Internal fault. Contact SEW Service Dept. if fault persists
38
FRS PROCESS DATA
FAULT
Immediate
switch-off
●
Fault on interface between inverter and FES 31 option pcb:
– fault induced by EMC
Contact SEW Service Dept. if fault persists
39
FRS PARAMETER
DATA FAULT
Rapid stop
●
Invalid value for FRS 31 parameter
41
FRS LAG FAULT
Programmable
(P553)
●
Deviation between master and slave
≥
specified limit value for
lag error (P 551)
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]
