Operating instructions

MM420 Parameter List 04/02
MICROMASTER 420 Parameter List
98 6SE6400-5BA00-0BP0
P2168 Delay time T_off Min: 0
CStat: CUT Datatype: U16 Unit: ms Def: 10
P-Group: ALARMS Active: Immediately QuickComm. No Max: 10000
Defines time for which the inverter may operate below switch-off frequency (P2167) before switch off
occurs.
Dependency:
Active if holding brake (P1215) not parameterized.
Details:
See diagram in P2167 (switch-off frequency)
P2170 Threshold current I_thresh Min: 0.0
CStat: CUT Datatype: Float Unit: % Def: 100.0
P-Group: ALARMS Active: Immediately QuickComm. No Max: 400.0
Defines threshold current in [%] relative to P0305 (rated motor current) to be used in comparisons of I_act
and I_Thresh as illustrated in the diagram below.
0
1
Threshold current
0.0 ... 400.0 [%]
P2170.D (100.0)
Delay time current
0 ... 10000 [ms]
P2171.D (10)
I_act
| I_act | > I_thresh
|I_act| > I_thresh
0T
r0053 Bit03
Note:
This threshold controls bit 3 in status word 3 (r0053).
P2171 Delay time current Min: 0
CStat: CUT Datatype: U16 Unit: ms Def: 10
P-Group: ALARMS Active: Immediately QuickComm. No Max: 10000
Defines delay time prior to activation of current comparison.
Details:
See diagram in P2170 (threshold current I_thresh)
P2172 Threshold DC-link voltage Min: 0
CStat: CUT Datatype: U16 Unit: V Def: 800
P-Group: ALARMS Active: Immediately QuickComm. No Max: 2000
Defines DC link voltage to be compared to actual voltage as illustrated in the diagram below.
V
dc
t
0
1
0
1
P2173
t
t
r0053
Bit 7
r0053
Bit 8
P2172
P2173
V
dc_act
< P2172
V
dc_act
> P2172
Note:
This voltage controls bits 7 and 8 in status word 3 (r0053).
P2173 Delay time DC-link voltage Min: 0
CStat: CUT Datatype: U16 Unit: ms Def: 10
P-Group: ALARMS Active: Immediately QuickComm. No Max: 10000
Defines delay time prior to activation of threshold comparison.
Details:
See diagram in P2172 (threshold DC-link voltage)
Level:
3
Level:
3
Level:
3
Level:
3
Level:
3