KEB COMBIVERT F6

Protection functions
© 2022 KEB Automation KG
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IMot:
tmax:
󰪦
󰪧
Motor current in % of the motor protection rated current (dr34 *dr03)
tripping time
f = 0Hz
f ≥ rated motor frequency or external ventilated motor
21
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1
Figure 12: Tripping motor protection switch
4.4.6.2 Synchronous motor
Index
Id-Text
Name
Function
0x2203
dr03
rated current
Rated motor current (in A)
0x220C
dr12
max. current %
Maximum permissible motor current (in % dr03)
0x2222
dr34
motorprotection current %
Standstill current (in % dr03)
0x2223
dr35
SM prot. time min. Is/Id
Tripping time at the min. response threshold
0x2224
dr36
SM prot. time Imax
Tripping time at maximum current
0x2225
dr37
SM prot. recovery time
Recovery time of the motor
0x2226
dr38
SM prot. min. Is/Id
Min. response threshold of the motor protection
function
The motor protection function is dependent on the actual speed (n), the actual ap-
parent current (Is), the maximum current and the motor protection parameters
(dr34…dr38).