Seg MRM3, Manual

Page: 43 / 46

TB MRM3 07.01 E 43
Protection Parameters (Contin.)
Unit I IE Default set-
ting
Actual set-
ting
LED Function Set1/Set2 Set1 Set2
I>> + Start Pick-up value for the phase short-circuit element at
start x I
N
X X 0.50
I>> Pick-up value for the phase short-circuit element in
operation x I
N
X X 0.50
I>> + t> Tripping time of the phase short-circuit element s X X 0.04
I2> Pick-up value of the load unbalance element x I
N
X X 0.020
I2> + CHAR Trip characterist.of the load unbalance element X X DEFT
I2> + t> Tripping time of the unbalanced load element s X X 1.0
I2>+CHAR + t> Reset mode for the load unbalance element X X 0s
I
E
> Pick-up value of the earth fault element (s) X 0.010
I
E
> + CHAR Trip characteristic earth fault element X DEFT
I
E
>+ t> Tripping time (factor) earth fault element (s) X 0.04
I
E
>+ CHAR + t> Reset mode earth fault element X 0s
CB + t> Tripping time CB failure protection s X X EXIT
Trip + t> Tripping time external trip s X X 0.10
Block + Trip Trip blocking at excessive phase current x I
N
X X EXIT
Start parameters
Funktion
Unit I IE Default set-
ting
Actual set-
ting
LED Function Set1/Set2 Set1 Set2
No.+Start Duration of a start cycle min. X X 30
No. Number of starts per cycle X X 10
No.+Start+t> Start blocking time min X X 30
Start + t> Max. start time t s X X EXIT
0 + I> + t> Time of START recognition or MOTOR RUNNING s X X 0.20
0 + I< + t> Stopping time s X X 0.50
Parameters for the fault recorder
LED Function I IE Default Actual Unit
setting setting
FR Number of recordings 4
FR Storage of the recording at the event TRIP
FR Time period prior to the trigger impulse s 0.05
Interface parameters
LED Function I IE Default set-
ting
Actual setting
RS Slave Address of the serail interface X 1
RS* Baud rate of the serial interface X 9600
RS* Parity check of the serial interface X even
*only with Modbus Protocol