Siemens SINAMICS G120P, Руководство по эксплуатации

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Functions
7.7 Application-specific functions
Inverter cabinet units
374
Operating Instructions, 12/2014, A5E32923362A
7.7 Application-specific functions
The inverter offers a series of functions that you can use depending on your particular
application, e.g.:
● Switching over units
● Energy savings indicator for pumps, fans, and compressors
● Braking functions
● Flying restart
● Efficiency optimization
● Automatic restart
● Basic process control functions
● Real-time clock and time switch
● Essential service mode
● Multi-zone controller
● Cascade control
● Bypass
● Hibernation mode
● Write and know-how protection
● Logical and arithmetic functions using function blocks that can be freely interconnected
Refer to the following sections for detailed descriptions.
7.7.1 Unit changeover
Description
Parameters and process variables for input and output can be switched to a suitable unit
system (SI units, US units or referenced variables (%)) with the using the unit switchover
function.
Specifically, you have the following options:
● Changing over the motor standard (Page 375) IEC/NEMA
● Changing over the unit system (Page 376)
● Changing over process variables for the technology controller (Page 377)
Note
The motor standard, the unit system as well as the process variables can only be changed
offline.