This is the digital module "Modbus legacy dataset" for Micrologic X trip unit on MasterPact MTZ offer. A digital module is an advanced function that can be uploaded in Micrologic X trip unit at any stage of the product life cycle. Digital modules allow you to customize MasterPact MTZ circuit breaker to your specific needs. The digital modules are available 24/7 on the Schneider Electric GoDigital store (godigital.schneider-electric.com). The upload of the digital modules is made without interrupting power, using EcoStruxure Power Commission software and a USB cable. The Modbus legacy dataset is compatible with the Micrologic control unit of Masterpact NT/NW devices. The Modbus legacy dataset can be used with EIFE, IFE, IFE gateway and IFM (LV434000). The EIFE firmware (greater than or equal to V004.000.xxx) is compatible with this digital module. The IFE standalone (LV434001) firmware (greater than or equal to V004.000.xxx) is compatible with this digital module. The Micrologic X control unit firmware (greater than or equal to V002.000.xxx) is compatible with this digital module. Earlier firmware versions need to be upgraded. The benefit is to allow the system integrator to keep the existing Modbus driver within the supervision software. It allows installation with both Masterpact NT/NW and Masterpact MTZ devices.