GE VMIVME-7459 Gas turbine module

The leakage current to earth (PE) is > 3.5 mA. According to EN 50178 – a fixed installation is required. – a double PE connection is required or, if in single design, it must have a cable cross−section of at least 10 mm

The heatsink of the controller has an operating temperature of > 80 °C: – Contact with the heatsink results in burns. 

 During parameter set transfer the control terminals of the controller can have undefined states. – Therefore the connentors X5 and X6 must be disconnected from the controller before the transfer takes place. This ensures that the controller is inhibited and all control terminals have the defined state "LOW".

Fault indication and fault response (C0168) 

The entry is effected as LECOM error number. 

 If several faults with a different response occur at the same time: – Only the fault the response of which has the highest priority is entered (1. TRIP, 2. message, 3. warning). 

 If faults with the same response occur (e.g. 2 messages) at the same time: 

– Only the fault that was triggered first is entered. 

– The OH7 and OH3 warnings are exceptions. If an OH7 warning is pending and the OH3 motor temperature threshold is reached, the OH7 warning is overwritten by the OH3 warning. If the motor temperature decreases again, the OH7 warning reappears.

Fault during parameter initialisation

An error has been detected during the parameter set transfer between two devices.

The parameter set does not match the controller, e.g. if data has been transferred from a higher−power controller to a lower−power controller.

After an Sd7 fault it is absolutely required to carry out another rotor position adjustment. Otherwise the drive may carry out uncontrolled movements after controller enable. The drive must not be commissioned without a successfully executed rotor position adjustment!

The reference point is not known. In the case of absolute positioning, no homing was performed before the first positioning.

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