3) The top-layer module of MD series inverter is a specialized industry module and also a
platform provided to satisfy the specialized industry demands, enabling the customers to
either apply the existing solutions or perform secondary development according to their own
needs. Refer to Figure 2 “MD Series Inverter Modular Structure Diagram” for the top-layer sub-
modules.
Fig. 2 MD Series Inverter Modular Structure Diagram
MD series inverter is particularly unique in respect of easy-to-use performance. The entire
system has independent ventilation, which can be installed outside or inside the radiator
cabinet;directly input DC bus terminal and DC powered fan that enable the standard products
to be compatible with the DC bus running mode, perfect user password protection, shortcut
menu design that makes the complex commission easier, standard RJ45 interface applied in
the operation panel and the communication port that ensures reliability and greatly reduces
the application cost, MOBUS bus protocol and expansion card that can be compatible with
PROFIBUS, DeviceNet, CANopen and other bus controls, and functional expansion card with
automatic identication function. All these features reect that the MD series inverter strictly
complies with the principle “Respect the Customers” during the design process.
This manual is a guide to the operations of MD series inverter and MD320 control module. For
the use of MD300 control module, see the operation manual for details.
This manual provides the user with related precautions and instructions for the prototyping,
installation, parameter setting, on-site commissioning, and routine Repair and Maintenance of
inverter. In order to use this series of inverter correctly, please read this manual carefully prior
to operation and keep it properly for future use. The supporting equipment customers shall
distribute this manual together with the equipment to the nal users.
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