The EMCY Consumer mask allows to configure the emergency consumers.
Normally all 127 sub-indices of object 0x1028 shall exist
and each sub-index relates to the node-ID of the emergency producer.
The implementation of object 0x1028 is not necessary if there is no enough memory. In this case the emergency consumer data are managed only within the CANopen Library. To use the memory-saving technique select Do not use object 1028 and set the number of emergency consumers.