P521/EN AD/B21
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MiCOM P521
Label abstract
Label signification
Log Sel 1
Logic select 1
Log Sel 2
Logic select 2
Change set
Changes setting group (default setting group = 1)
θ
Reset
Resets the thermal state
Trip Circ
Assigns an input for trip circuit supervision
Strt tBF
Starts the breaker fail timer
Permis IT
Initiate a permissive intertrip
Direct IT
Initiate a direct intertrip
Comms RST
Reset protection comms statistics
Log Trip
Assigns an input to trip the circuit breaker
Log Close
Assigns an input to close trip the circuit breaker
In addition to the input allocation the user can specify the required operating time for
auxiliary timers 1 and 2.
AUTOMAT. CTRL
Heading of the AUTOMAT. CTRL Menu. To gain access to
the Inputs menu, press
2
,
6
, 6 times,
2
, followed by
6
10 times.
Inputs
Heading of the Inputs sub menu. To gain access to the
sub menu content, press
2
.
Input 1
None
Allocation of logic input 1. To allocate a function to logic
input 1, press
5
then use
8
or
2
to select the desired
function from the available list. Validate your choice using
5
.
Input 2
None
Allocation of logic input 2. To allocate a function to logic
input 2, press
5
then use
8
or
2
to select the desired
function from the available list. Validate your choice using
5
.
Input 3
None
Allocation of logic input 3. To allocate a function to logic
input 3, press
5
then use
8
or
2
to select the desired
function from the available list. Validate your choice using
5
.
Input 4
None
Allocation of logic input 4. To allocate a function to logic
input 4, press
5
then use
8
or
2
to select the desired
function from the available list. Validate your choice using
5
.
