Hitachi SJ300-037HFE Manuale Utente
Using Intelligent Input Terminals
Oper
ations
a
nd Moni
tor
ing
4–40
The diagram below shows the event sequence described in the steps on the previous page.
The following table pertains to the brake confirmation input.
B123
Brake wait time
for stopping
for stopping
0.00 to 5.00 sec.
Sets the time delay after brake confirmation signal
[BOK] turns OFF (after [BRK] turns OFF) until
decelerating the inverter to 0 Hz
[BOK] turns OFF (after [BRK] turns OFF) until
decelerating the inverter to 0 Hz
B124
Brake wait time
for confirmation
for confirmation
0.00 to 5.00 sec.
Sets the wait time for [BOK] signal after turn ON/
OFF of [BRK] signal. If [BOK] is not received
during the specified time, the inverter will trip with
an external brake error [BER].
OFF of [BRK] signal. If [BOK] is not received
during the specified time, the inverter will trip with
an external brake error [BER].
B125
Break release
frequency setting
frequency setting
0.00 to 99.99 Hz /
100.0 to 400.0 Hz
100.0 to 400.0 Hz
Sets the frequency at which the inverter outputs the
brake release signal [BRK] after delay set by B121
brake release signal [BRK] after delay set by B121
B126
Brake release
current setting
current setting
0% to 200% of
rated current
Sets the minimum inverter current level above
which the brake release signal [BRK] will be
permitted
which the brake release signal [BRK] will be
permitted
Code
Function
Data or Range
Description
Output
frequency
Run command
Brake release output [BRK]
Brake OK input [BOK]
B122
B123
B121
B125
B125
B124
Brake release
frequency
Brake wait time to release
Brake wait time for accel
Brake wait time for stop-
Brake wait time
for confirmation
B124
Brake error output [BER]
t
0
Opt.
Code
Symbol
Function Name
Input
State
Description
44
BOK
Brake confirmation
ON
Indicates external brake is not engaged
OFF
Indicates external brake is engaged
Valid for inputs:
C001, C002, C003, C004,
C005, C006, C007, C008
C005, C006, C007, C008
Required
settings:
settings:
B120=01
B121 to B126 set
B121 to B126 set
Notes:
• The signal [BOK] turns ON to indicate that an
• The signal [BOK] turns ON to indicate that an
external brake system has released. If external
brake control is enabled (B120=01), then the
[BOK] signal must work properly to avoid an
inverter trip event.
brake control is enabled (B120=01), then the
[BOK] signal must work properly to avoid an
inverter trip event.
5
3
1
7
6
4
2
8
FW
TH
PLC
CM1
P24
CM1
See I/O specs on page
. Jumper position shown is
for –xFU/-xFR models; for –xFE models,
see page
see page
.)
BOK