ABB ACS800-04 Hardware Manual page 135

Combined braking cycles for R7:
Examples
P
br
P or P
br5 br10
P
br30
P
brcont
No braking
min. 30 s max 30 s min. 30 s
P P P
• After , or
br5 br10
P P P
• , or braking is allowed once every minute.
br5 br10 br30
P
• After braking, there has to be a pause of at least 30 seconds without any braking if the
brcont
subsequent braking power is greater than
P P
• After or braking, the drive and the chopper withstand
br5 br10
30 seconds.
P
• braking is not acceptable after
br10
Combined braking cycles for R8:
Examples
P
br
P , P or P
br5 br10 br30
P
brcont
No braking
P P P
• After , or
br5 br10 br30
the only allowed braking power after
P P P
• , or braking is allowed once every minute.
br5 br10 br30
P
• After braking, there has to be a pause of at least 60 seconds without any braking if the
brcont
subsequent braking power is greater than
All brake resistors must be installed outside the drive module. The resistors are built in an IP00 metal
frame. The 2xSAFUR and 4xSAFUR resistors are connected in parallel.
Note: The SAFUR resistors are not UL listed.
max 5 s or 10 s
braking, the drive and the chopper withstand
br30
P
braking.
br5
max 5 s, 10 s or 30 s
min.
braking, the drive and the chopper withstand
P
,
br5
max 30 s
min. 30 s
P
.
brcont
P
P P
or .)
br10 br30
P
.
brcont
Resistor braking 135
P
continuously.
brcont
within a total braking time of
br30
min.
P
continuously. (
brcont
t
t
P
is
brcont