KEB COMBIVERT F5 MULTI Applications Manual page 248

Functional Description
6.9.5.c Example: Setpoint direction forward; positive holding frequency
Set frequency
Stop value
Pn.41
Starting value
Pn.37
Rotation setting
FOR
Inverter state
LS
closed
Brake
opened
Mode brake control
(Pn.34)
Minimal utilization level
Error message E.br
(Pn.43)
Chapter Section Page
6 9 16
boff boff boff
facc fcon fcon
Premagne-
Brake
tizing time
release
Pn.35
time
Pn.36
The function is activated or deactivated with this parameter. In addition the status
display can be changed over. If the output phase monitoring is activated, each output
phase is checked before acceleration to the starting value. If one phase is missing or
in case of wrong wiring in the inverter E.br is triggered. Pn.34 is set-programmable.
Value Function
0 Function deactivated (default)
1 Brake control active, display boff/bon
2 Brake control active, display acc/dec/con
1 Brake control active, display boff/bon, with phase monitoring
2 Brake control active, display acc/dec/con, with phase monitoring
The status display during the holding phases depends on the setting of the mode for
the brake control (see Fig. 6.9.5.c).
At - Pn.34 =1/3 the status boff (release brake) or bon (engage brake) is displayed.
- Pn.34 = 2/4 the normal ramp status is displayed.
In addition to it a digital output (switching condition 18) is to be programmed for the
control (see Chapter 6.3).
For the monitoring of the utilization acceptance through the inverter a minimal utilization
level can be adjusted in this parameter. When the brake shall be released during the
start, the utilization may not be less than the adjusted level. Otherwise the error E.br
is triggered. Reaching the hardware current limit the error E.br is triggered too. The
monitoring is deactivated when Pn.43 is set to 0.
Date Name: Basis
04.05.04 KEB COMBIVERT F5
facc fcon
Special Functions
set frequency
brake control
real frequency
bon bon
rdec
fcon fcon
Brake Brake
delay release
time time
Pn.39 Pn.40
© KEB Antriebstechnik, 2002
All rights reserved
bon
LS
fdec