Signals - ABB 615 series Technical Manual

1MAC059074-MB A
4.4.3.6
4.4.3.7
Table 497: 46R Group settings (Basic)
Parameter Values (Range)
Pickup value 0.05...1.00
Trip delay time 100...60000
Table 498: 46R Non group settings (Basic)
Parameter Values (Range)
Operation 1=enable
5=disable
615 series ANSI
Technical Manual
particular rotation direction, the reversed rotation direction can lead to an inefficient
cooling of the motor due to the fan design.
In a motor, the value of the negative-sequence component of the phase currents is very
negligible when compared to the positive-sequence component of the current during a
healthy operating condition of the motor. But when the motor is started with the phase
connections in the reverse order, the magnitude of I
of I exceeds the pickup value, the function detects the reverse rotation direction and
2
provides an operating signal that disconnects the motor from the supply.

Signals

Table 495: 46R Input signals
Name Type
I SIGNAL
2
BLOCK BOOLEAN
Table 496: 46R Output signals
Name Type
TRIP BOOLEAN
PICKUP BOOLEAN
Settings
Unit Step
xIn 0.01
ms 10
Unit Step
is very high. So whenever the value
2
Default Description
0 Negative sequence current
0=False Block signal for activating the blocking mode
Description
Trip
Pickup
Default Description
0.75 Pickup value
100 Trip delay time
Default Description
1=enable Operation Disable / Enable
Section 4
Protection functions
601