Figure 6-5 Undercurrent Protection - Siemens SINAMICS PERFECT HARMONY GH180 Function Manual

Advanced Motor Protection and RTD Protection Functions
6.6 Device 37 - Fixed Pickup Undercurrent
Picklist
Enable State
Fixed Under Current Enable State
Phase Selection
Fixed Under Current Select Phases to Monitor
The maximum response time with zero delay (pickup counter=0) is 10 milliseconds. Fixed
Pickup Under Current is mutually exclusive with Variable Pickup Under Current.
Reset
Time
Constant
1 = Enable
0 = Disable
RMS Phase
Current
Low Pass
Pickup
Filter
Level
Time
Constant
1 - Dropout
Level
Output
Latching
Control
1 = Latched
Figure 6-5 UnderCurrent Protection
44
Low Pass
Filter
+ <
Σ
1 = pickup
-
0 = dropout
ID Units
7264
7265
Count
Enable Pickup
Output
Time Delay
(Counter)
Zero Reset
Pickup
Time Delay
Count
Dropout
Enable
Time Delay
(Counter)
Zero Reset
Dropout
Time Delay
Advanced Motor Protection for Variable Speed Operation
Default Values
Value
Disabled
● Disabled
● Alarm
● LatchedAlarm
● Trip
Any Phase
● Any Phase
● Any Two Phases
● All Phases
>=
Pickup
Timed
Out
Output
>=
Dropout
Timed
Out
Manual, AA, A5E46373908A
Trip or
Alarm
Output