Parameters
4.2 Motor control
SIMOCODE pro - Parameterize
72 Operating Manual, 04/2017, A5E40507630002A/RS-AA/001
"Overload relay" control function
Description
With this control function, SIMOCODE pro functions like a solid-state overload relay. Control
commands (e.g. ON, OFF) cannot be issued to the load. Control stations and inputs of the
control function (e.g. ON >, OFF), do not have any function in the case of overload relays.
When the control voltage is applied, SIMOCODE pro automatically closes the QE3 contactor
control; it remains active until it is deactivated by the fault message of a protection or
monitoring system.
The QE3 contactor control must be connected to any relay output that switches off the
contactor coil of the motor contactor in case of overload.
Figure 4-14 Schematic of the "Overload relay" control function, "Protection / Control" function block
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