10.12 Parameter Group 8-** Relay Outputs
Table 147: 8-1 - Relay A Function
Selects the function of Relay A.
Relay A is a changeover relay.
The relay is closed when the soft starter is in Ready state.
The Run output closes when the soft start is complete (when the starting current drops below 120% of
the programmed motor full load current). The output remains closed until the beginning of a stop (ei-
ther soft stop or coast to stop).
The relay closes when the soft starter issues a warning.
The relay closes when the starter trips.
The relay closes when the low current flag activates while the motor is running (see parameter 8-7 Low
Current Flag).
The relay closes when the high current flag activates while the motor is running (see parameter 8-8 High
Current Flag).
The relay closes when the motor temperature flag activates (see parameter 8-9 Motor Temperature Flag).
The relay closes when the soft starter receives a stop signal, and remains closed until the end of soft
brake.
The relay controls an external contactor, for reverse operation.
The relay closes when control power is applied. The relay opens if the soft starter trips or if control power
is lost.
Table 148: 8-2 - Relay A On Delay
0:00–5:00 (minutes:seconds)
Sets the delay for changing the state of Relay A.
Table 149: 8-3 - Relay A Off Delay
0:00–5:00 (minutes:seconds)
Sets the delay for changing the state of Relay A.
Table 150: 8-4 - Relay B Function
Selects the function of Relay B (normally open).
See parameter 8-1 Relay A Function for details.
AQ262141844215en-000401 / 175R1174104 | Danfoss A/S © 2020.12
Programmable Parameters
VLT® Soft Starter MCD 600
Operating Guide
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