This function on the Micrologic X creates a compatible data set for legacy trip units. The Modbus Data Set for Legacy Systems module is compatible with the Micrologic MasterPact NT&NW range of trip units. It can be used in conjunction with EIFE, IFE, IFE Gateway and IFM interfaces. EIFE firmware (greater than or equal to V004.000.xxx) is compatible with this digital module. IFE Standard (LV434010) firmware (greater than or equal to V003.007.xxx) is compatible with this digital module. IFE Gateway (LV434011) firmware (greater than or equal to V003.007.xxx) is compatible with this digital module. IFE Standard (LV434001) firmware (greater than or equal to V004.000.xxx) is compatible with this digital module.