9 Electric and electronic weighing, measuring, signalling, checking, supervision, and regulating apparatus and instruments, namely, controller and control units for industrial machine installations; electric and electronic apparatus, installations and equipment for the regulating and control of industrial installations, for field bus systems for communications networks, for automation systems for process control systems and for drives, and parts therefor, in particular bus receiver modules, bus transmitter modules, feed modules, blind modules, relay modules, bus control modules, input and output control modules, digital and analogue input and output modules, analogue input modules with oscilloscope function, communications and interface modules, interface converter modules, modules with integrated microprocessors, bus adapters, network hubs and lev-el converters; electric switching installations and equipment, being electric switches and control cabinets, electric switches and control panels and parts therefor; electric cables, plugs, connectors for electricity, wire connectors for electricity, in particular field, screw, cage clamp and shielding terminals; industrial printers; electric power amplifiers, inverters, frequency converters; electric power supply apparatus and parts therefor, in particular power supply units, switch mode power supplies, battery modules, buffer modules, uninterruptible power supplies, mains filters and negative feedback chokes; mobile and stationary display and input apparatus with and without integrated microprocessors or programmable logics; industrial personal computers, redundant array of independent discs (RAID) systems namely RAID controllers and RAID-based hard drive backup systems, memory units for storing digital data, namely, hard drives, flash drives, plug-in cards, namely, electronic circuit cards, PC plug-in cards and plug-ins for module racks, printed circuits; computer software for the programming, design, visualisation, parameterisation, configuration, maintenance, diagnosis and simulation of field buses, communications networks, automation systems, process control systems, regulators, drives and parts therefor; driver software, BIOS operated software, software libraries for industrial personal computers