Braking Control Function - Hyundai hiRUN N300 Series Instruction Manual

N300 INSTRUCTION MANUAL

Braking control function

This is a function that the inverter controls external braking used
in systems like elevators. By braking control function selection
(b120) is set to valid(01), this function is performed as the
following below.
(1) When running command turns on, the inverter begins to
operate and accelerate to releasing frequency.
(2) After output frequency arrives releasing frequency, the inverter
output breaking releasing signal (BRK) after waiting for the time
for confirmation of releasing braking which is set in (b121).
However, if output current of the inverter is within releasing
current which is set in (b121), braking releasing signal would not output
the inverter would occur the trip and output braking error signal (BER).
(3) When braking confirmation signal (BOK) is set to intelligent input terminal (when 44 is set to C001 - C008),
if braking releasing signal is outputted, the inverter would not accelerate just waitng time for braking
confirmation which is set in (b124).
If braking confirmation signal is not inputted within waiting time for braking confirmation, the inverter would
output braking error signal (BER) and would occur the trip.
If braking confirmation signal is not set to intelligent input braking terminal, the waiting confirmation would
be invalid, and after the inverter would output braking releasing signal, proceed to (4).
(4) After braking confirmation signal is inputted(after braking releasing signal is outputted when BOK is not
selected), the inverter waits for the time for acceleration, and the begins to accelerates again and accerates
to the frequency.
(5) When running command turns off, the inverter decelerates to releasing frequency and turns braking releasing
signal (BRK) off.
(6) When braking confirmation signal (BOK) is set to intelligent input terminal (when 44 is set to C001-C008),
after braking releasing signal turns off, the inverter would not decelerate during just the waitng time for
braking confirmation which is set in (b124), and would wait for braking confirmation singal turnning off.
If braking confirmation signal does not turn off within the waiting time for braking confirmation , rhe inverter
would output braking error signal (BER) and would occur the trip
If braking confirmation signal is not set to intelligent input braking terminal, the waiting time for braking
confirmation would be invalid and after the inverter would output braking releasing signal, proceed to (7).
(7) After braking confirmation signal turns off (after braking releasing signal turns off), the inverter waits for the
waiting time for stop, and then begins to decelerate again and decelerates to 0 Hz.
Chapter 4 Explanation of function
b120 : Braking control selection
b121 : Waiting time for releasing braking
b122 : Waiting time for acceleration
b123 : Waiting time for stop
b124 : Waiting time for signal conformation
b125 : Releasing frequency
b126 : Releasing current
C001-C008 : Intelligent input terminal
C021-C025 : Intelligent output terminal
Relation code
conformation