Siemens Sinamics G110M Original Instructions Manual page 241

Restrictions and general constraints for blocking protection depending on the motor type and
control mode
The following preconditions must be satisfied in order that the blockage monitoring is active
for pumps and fans:
● The following applies for application class "Standard Drive Control" (p0096 = 1) or
"Expert" (p0096 = 0) and U/f control (p1300 < 10):
Speed actual value > p2182 and > 10 % rated speed. A torque actual value r0080 is only
calculated in this range.
When the Imax control is active (when reaching the current limit) the blocking protection
intervenes according to the description in No-load monitoring, blocking protection, stall
protection (Page 236)
● For vector control (p1300 = 20) or application class "Dynamic Drive Control" (p0096 = 2),
the following always applies:
– Speed setpoint > p1755 switchover speed, motor model
– Speed actual value > p2182 speed threshold 1
In addition, the following applies:
– for induction motors (operated with the vector control)
– for synchronous and reluctance motors (operated with vector control)
Settings
Parameters
p2165
p2168
p2181
p2182
p2183
p2184
p2186
p2188
p2190
p2191
p2192
p2193 = 3
SINAMICS G110M Operating Instructions
Operating Instructions, 04/2015, FW V4.7.3, A5E31298649B AD
p1750.6 = 1 (when the motor is blocked, the closed-loop control does not change into
the open-loop controlled mode) or p2192 < 1 s
- p2182 > p1755 switchover speed, motor model
- With this method, a complete blockage is not detected
Description
Load monitoring blocking monitoring threshold, upper
Load monitoring blocking monitoring torque threshold
Load monitoring response
Response when evaluating the load monitoring. Setting options, see Load monitor-
ing (Page 237)
Load monitoring speed threshold 1
Load monitoring speed threshold 2
Load monitoring speed threshold 3
Load monitoring torque threshold 1, lower
Load monitoring torque threshold 2, lower
Load monitoring torque threshold 3, lower
Load monitoring torque threshold, no load
Load monitoring delay time
Load monitoring configuration
see Load monitoring (Page 237)
8.9 Application-specific functions
Functions
241