Actual Switching Frequency; Security Unlock - Emerson 2202 Advanced User's Manual

Parameter Parameter
Introduction
x.00 description format
5.36 Unused parameter
5.37

Actual switching frequency

Bit SP
Coding
Range 3 to 18kHz
Update rate Background write
Pr 5.37 shows the actual switching frequency used by the inverter. The maximum switching frequency is set with Pr 5.18, but this may be reduced by
the drive if automatic switching frequency changes are allowed (Pr 5.35 = OFF).
Value String Switching frequency (kHz)
0 3
1 6
2 12
3 18
NOTE
The 18kHz switching frequency is not available on Commander SK size B and C, 400V units, Commander SK size D or Commander SK size 2 to 6.
5.38 to 5.49 Unused parameters
5.50

Security unlock

Bit SP
Coding
Range 0 to 999
Update rate Background read
Pr 5.50 is not visible from the keypad and holds the value of the security entered to allow parameters to be edited when security is enabled.
Commander SK Advanced User Guide
Issue Number: 9
Keypad and Serial
display communications
FI DE Txt VM DP ND
1 1
3
6
12
18
FI DE Txt VM DP ND
1
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CT Modbus PLC Ladder
RTU programming
RA NC NV PT US RW BU
1 1
RA NC NV PT US RW BU
1 1 1 1
Advanced parameter
CTSoft Menu 0
descriptions
PS
1
PS
1
Menu 5
83