7 Settings
(continued)
7-48
C232-302-401/402/403/404-603 / C232/EN M/A23
DTOC: tIN>> PSx
017 010 073 028 074 028 075 028
Fig. 3-76
Setting for the operate delay of the second overcurrent stage (residual
current stage).
DTOC: tIN>>> PSx
017 019 073 029 074 029 075 029
Fig. 3-76
Setting for the operate delay of the third overcurrent stage (residual current
stage).
DTOC: Puls.prol.IN>,intPSx
017 055 073 042 074 042 075 042
Fig. 3-78
Setting for the pulse prolongation time of the hold-time logic for intermittent
ground faults.
DTOC: tIN,interm. PSx
017 056 073 038 074 038 075 038
Fig. 3-78
Setting for the tripping time of the hold-time logic for intermittent ground
faults.
DTOC: Hold-t. tIN>,intmPSx
017 057 073 039 074 039 075 039
Fig. 3-78
Setting for the hold-time for intermittent ground faults.
Inverse-time overcurrent
protection
IDMT: Enable PSx
072 070 073 070 074 070 075 070
Fig. 3-81
This setting defines the parameter subset in which IDMT protection is
enabled.
IDMT: Iref,P PSx
072 050 073 050 074 050 075 050
Fig. 3-86
Setting for the reference current (phase current system).
IDMT: Iref,P dynamic PSx
072 003 073 003 074 003 075 003
Fig. 3-86
Setting for the reference current in dynamic mode (phase current system).
This operate value is effective only while the timer stage MAIN: Hold-
time dyn. param. is elapsing.
IDMT: Characteristic P PSx
072 056 073 056 074 056 075 056
Fig. 3-86
Setting for the tripping characteristic (phase current system).
IDMT: Factor kt,P PSx
072 053 073 053 074 053 075 053
Fig. 3-86
Setting for factor kt,P of the starting characteristic (phase current system).
IDMT: Min. trip time P PSx
072 077 073 077 074 077 075 077
Fig. 3-86
Setting for the minimum trip time (phase current system). As a rule, this
value should be set as for the first DTOC stage (I>).
IDMT: Hold time P PSx
072 071 073 071 074 071 075 071
Fig. 3-86
Setting for the holding time for intermittent short circuits (phase current
system).
IDMT: Release P PSx
072 059 073 059 074 059 075 059
Fig. 3-86
Setting for the release or reset characteristic (phase current system).
IDMT: Iref,neg PSx
072 051 073 051 074 051 075 051
Fig. 3-88
Setting for the reference current (negative-sequence current system).
IDMT: Iref,neg dynamic PSx
072 004 073 004 074 004 075 004
Fig. 3-88
Setting for the reference current in dynamic mode (negative-sequence
current system). This operate value is effective only while the timer stage
MAIN: Hold-time dyn. param. is elapsing.
IDMT: Character. neg. PSx
072 057 073 057 074 057 075 057
Fig. 3-88
Setting for the tripping characteristic (negative-sequence current system).