Siemens SINAMICS G120 - Page 684

Faults and Alarms
List of Faults and Alarms
3-684
© Siemens AG 2011 All Rights Reserved
SINAMICS G120 Control Units CU230P-2 Parameter Manual (LH9), 01/2011
F07426 (A) Technology controller actual value limited
Reaction: OFF1 (IASC/DCBRAKE, NONE, OFF2, OFF3)
Acknowledge: IMMEDIATELY
Cause: The actual value for the technology controller, interconnected via connector input p2264, has reached a limit.
Fault value (r0949, decimal interpretation):
1: upper limit reached.
2: lower limit reached.
Remedy: - adapt the limits to the signal level (p2267, p2268).
- check the scaling of the actual value (p2264).
See also: p2264 (Technology controller actual value), p2267 (Technology controller upper limit actual value), p2268
(Technology controller lower limit actual value)
A07427 Motor staging alarm
Reaction: NONE
Acknowledge: NONE
Cause: Alarm value (r2124, interpret decimal):
1:
The technology controller is not active or is not being used to control the main setpoint (see p2251).
2:
The operating time limits have been exceeded in at least one external motor.
Remedy: Re alarm value = 1:
- enable technology controller (p2200).
- set technology controller mode p2251 = 0 (main setpoint).
Re alarm value = 2:
- increase p2381, p2382 or set p2380 = 0.
F07435 (N) Drive: Setting the ramp-function generator for sensorless vector control
Reaction: OFF2 (IASC/DCBRAKE, NONE, OFF1, OFF3)
Acknowledge: IMMEDIATELY
Cause: During operation with sensorless vector control (r1407.1) the ramp-function generator was stopped (p1141). An
internal setting command of the ramp-function generator output caused the set setpoint speed to be frozen.
Remedy: - de-activate the holding command for the ramp-function generator (p1141).
- suppress the fault (p2101, p2119). This is necessary if the ramp-function generator is held using jogging and the
speed setpoint is simultaneously inhibited (r0898.6).
F07436 (A) Free tec_ctrl 0 actual value limited
Reaction: OFF1 (IASC/DCBRAKE, NONE, OFF2, OFF3)
Acknowledge: IMMEDIATELY
Cause: The actual value for the free technology controller 0 has reached the limit.
The signal source for the actual value is set via connector input p11064.
Fault value (r0949, decimal interpretation):
1: The actual value has reached the upper limit.
2: The actual value has reached the lower limit.
Remedy: - adapt the limit settings to the actual value signal (p11067, p11068).
- check the scaling of the actual value signal.
- check the signal source setting for the actual value (p11064).
See also: p11064 (Free tec_ctrl 0 actual value signal source), p11067 (Free tec_ctrl 0 actual value upper limit),
p11068 (Free tec_ctrl 0 actual value lower limit)