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Menu 10
Digitax ST Advanced User Guide 139
Issue Number: 1 www.controltechniques.com
Table 5-10 Hardware fault trips
This parameter defines the time period that the braking resistor installed can stand full braking volts without damage. The setting of this parameter is
used in determining the braking overload time.
For DST1xxxx drives the default value is a suitable value for standard braking resistors that can be mounted within the drive as given in the table
below.
If Pr 10.30 is set to zero then the braking resistor thermal protection system is disabled.
HF fault
code
Reason for trip
01 CPU address error
02 DMAC address error
03 Illegal instruction
04 Illegal slot instruction
05 Undefined exception
06 Reserved exception
07 Watchdog failure
08 Level 4 crash
09 Heap overflow
10 Router error
11
Access to the EEPROM failed or incorrect EEPROMs
installed.
12 Main program stack overflow
13
The drive firmware is not compatible with the drive
hardware
14-16 Not used
17 Power circuit - Multi-module system thermistor short circuit
18
Power circuit - Multi-module system interconnect cable
error
19 Power circuit temperature feedback multiplexor failure
20 Power circuit - identification code error
21 Power circuit - unrecognised frame size
22 Power circuit - multi-module frame size mismatch
23 Power circuit - multi-module voltage rating mismatch
24 Power circuit - unrecognised drive size
25 Current feedback offset error
26
Soft start relay failed to close, or soft start monitor failed, or
braking IGBT short circuit at power-up
27 Power circuit thermistor 1 fault
28
Power circuit thermistor 2 or 3 fault / Internal fan fault for
some drive sizes.
29 Control board thermistor fault
30 DCCT wired break trip from power module
31 Aux fan failure from power module
32 Identification and trip information serial code
10.30 Full power braking time
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
2111
Range 0.00 to 400.00 s
Default See table below
Update rate Background read
Drive voltage rating Parameter default Full braking volts
200V 0.06s 390V
400V 0.01s 780V
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