Extended Monitoring Functions - Siemens SINAMICS S150 Operating Instructions Manual
Converter cabinet units 75 kw to 1200 kw
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Also See for SINAMICS S150:
- Engineering manual (530 pages) ,
- Manual (312 pages) ,
- Function manual (108 pages)
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9.4.4
Extended monitoring functions
Description
The "extended monitoring functions" function module enables additional monitoring
functions:
● Speed setpoint monitoring: |n_setp| ≤ p2161
● Speed setpoint monitoring: n_set > 0
● Load monitoring
Description of load monitoring
This function monitors power transmission between the motor and the working machine.
Typical applications include V-belts, flat belts, or chains that loop around the belt pulleys or
cog wheels for drive and outgoing shafts and transfer the peripheral speeds and forces.
Load monitoring can be used here to identify blockages in the working machine and
interruptions to the power transmission.
During load monitoring, the current speed/torque curve is compared with the programmed
speed/torque curve (p2182 – p2190). If the current value is outside the programmed
tolerance bandwidth, a fault or alarm is triggered depending on parameter p2181. The fault
or alarm message can be delayed by means of parameter p2192 to prevent false alarms
caused by brief transitional states.
Figure 9-14
Drive converter cabinet units
Operating Instructions, 07/07, A5E00288214A
Load monitoring (p2181 =1)
Functions, monitoring, and protective functions
9.4 Extended functions
351
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