Siemens MICROMASTER 440 Operating Instructions Manual page 188

3 Functions
OFF3
The braking characteristics of OFF3 are identical with those of OFF1 with the
exception of the autonomous OFF3 ramp-down time P1135. If the output frequency
falls below parameter value P2167 and if the time in P2168 has expired, then the
inverter pulses are cancelled as for the OFF1 command.
P1082
P2167
r0052 Bit02
Operation
Pulse
ncellation
Fig. 3-66
NOTE
OFF3 can be entered using a wide range of command sources via BICO
parameters P0848 (BI: 1. OFF3) and P0849 (BI: 2. OFF3).
OFF3 is low active
When simultaneously selecting the various OFF commands, the following
priority applies: OFF2 (highest priority) – OFF3 – OFF1
188
f
act
f
max
OFF3
f
2
P2168
t
down,AUS3
P1135
OFF3
t
=
P1135
t
down , AUS 3
t
MICROMASTER 440 Operating Instructions
6SE6400-5AW00-0BP0
Issue 10/06
f
2
⋅
P1082