Products by leading domestic and foreign manufacturers are widely used in modern technological equipment automated control systems in the power industry, in transport industry, including railway transport, as well as in various industry fields.
Despite huge variety of PLC systems, their development is characterized with the following main trends:
МС200+ modular control system developed and produced by PLUTON experts is a hi-tech product that meets the most severe requirements to safety, applied in DC power distribution electrical networks.
МС200+ system has the following distinguishing features:
System modules are tested according to the requirements of IEC 61131-2:2007 international standard "Programmable controllers — Part 2: Equipment requirements and tests".
МС200+ processing module carries out the following tasks:
Controller has non-volatile memory for user's configuration data storage.
Extension modules are functional devices, capable of performing various types of signals (discrete, analog etc.) primary processing, and therefore reducing computational load onto master processing module. Extension modules are installed onto a DIN rail. Various versions allow using them both in direct proximity to the master controller, and remotely. Control interface can be either CAN, or RS-485 with a standard (open) protocol. Hot connection to the control busbar is also acceptable.
Modules have two operating modes: with default settings and with user settings. Parameters of user's configuration are set via control interface and are stored in the non-volatile memory.
All modules of discrete input/output signals have grouped galvanic isolation. LED indicators, that display actual lines state and modules operation modes, are installed on the front panel. Connection of wires to the modules doesn't require special-purpose tools and is implemented on the basis of connections pressure system. External slots for connection of discrete signals have control points for monitoring of voltage levels at the lines.
During operation modules carry out continuous monitoring of:
The information is transferred to the upper level controller for processing and decision-making. Inputs module can carry out data transfer upon request, periodically or upon line state changes. Operational mode parameters are configured by user and are stored in the non-volatile memory. Outputs module is able to read out actual state of output lines for monitoring compliance with the specified state.
If there is no connection with external control device, outputs module can switch output lines to the specified state for safe emergency shutdown of devices.
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