Siemens SINAMICS G120 Operating Instructions Manual page 261

Figure 8-46
Note
The OFF2 command can have one or several sources. The command sources are defined
using BICO parameters P0844 (BI: 1. OFF2) and P0845 (BI: 2. OFF2).
As a result of the pre-assignment (default setting), the OFF2 command is set to the OP. This
source is still available even if another command source is defined (e.g. terminal as
command source → P0700 = 2 and OFF2 is selected using DI2 → P0702 = 3).
OFF2 is low-active.
When simultaneously selecting the various OFF commands, the following priority applies:
• OFF2 (highest priority)
• OFF3
• OFF1.
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.
Control Units CU240S
Operating Instructions, 11/2006, A5E00766042B AA
OFF2 brake function
Functions
8.13 Setpoint channel
8-65