Elobau controller Germany Elobau model Elobau price

The Elobau controller uses a chip to process and control the switches at various positions in the LED lamp circuit. There are two types of controllers with different structures due to different design methods. A micro-operation refers to an operation that cannot be further decomposed; performing a micro-operation always requires a corresponding control signal (called a micro-operation control signal or micro-operation command). A digital computer can basically be divided into two main parts: the control unit and the execution unit. The controller is the control unit, while the arithmetic logic unit, memory, and peripheral devices are the execution units relative to the controller. One connection between the control unit and the execution unit is through control lines. The control unit sends various control commands to the execution unit via control lines; these control commands are usually called micro-commands, and the operations performed by the execution unit after receiving the micro-commands are called micro-operations. Another connection between the control unit and the execution unit is feedback information. The execution unit reflects the operation status to the control unit via feedback lines, allowing the control unit to issue new micro-commands based on the state of the execution unit; this is also called "state testing". Micro-operations are a set of basic operations within the execution unit.

Elobau controller composition

(1) Reference element: Provides the input quantity corresponding to the desired output. 2) Comparison element: Calculates the deviation between the input quantity and the feedback quantity, often implemented using an integrated operational amplifier (abbreviated as integrated op-amp). 3) Amplification element: Since the deviation signal is generally small and insufficient to drive the load, an amplification element is required, including voltage amplification and power amplification. 4) Actuating element: Directly drives the controlled object to change the output quantity. Common examples include motors, control valves, and hydraulic motors. 5) Measurement element: Detects the controlled variable and converts it into the required electrical signal. Commonly used in control systems are tachogenerators and optical encoders for speed detection; resolvers and synchros for position and angle detection; current transformers for current detection; and thermocouples for temperature detection. These detection devices generally convert the detected physical quantities into corresponding continuous or discrete voltage or current signals. 6) Correction element: Also called a compensation element, it is an element whose structure and parameters are easy to adjust. It is connected in the system in series or via feedback to perform the required computational functions and improve system performance. Depending on its position in the system, it is referred to as a series correction element or a feedback correction element.

Elobau controller structure

Instruction Register: A register used to store the instruction currently being executed or about to be executed. The instruction contains an opcode that determines the type of operation and an address that indicates the source or destination of the operand. Instruction length varies with different computers, and the length of the instruction register varies accordingly. All computer operations are executed after analyzing the instructions stored in the instruction register. The input end of the instruction register receives instructions from memory, and the output end of the instruction register is divided into two parts. The opcode part is sent to the decoding circuit for analysis to indicate what type of operation the instruction should execute; the address part is sent to the address adder to generate the effective address, which is then sent to memory as the address for fetching or storing data. Memory can refer to main memory, cache, or register stacks used to store the single instruction currently being executed. When executing an instruction, it is first fetched from memory into the data register (DR), and then transferred to IR. Instructions are divided into opcode and address code fields, composed of binary digits. To execute any given instruction, the opcode must be tested to identify the required operation. The instruction decoder performs this task. The output of the opcode field in the instruction register is the input to the instruction decoder. Once the opcode is decoded, it can send specific signals for the specific operation to the operation controller. Program Counter: A counter that specifies the address of the next instruction to be executed in the program, also known as the instruction counter. It combines the functions of an instruction address register and a counter. When an instruction has been executed, the program counter, acting as the instruction address register, must have its content changed to the address of the next instruction, allowing the program to continue running.

Elobau controller wiring

1) DC 24 V terminal block: The 24 V terminal block on the PLC can also provide current to external sensors (such as proximity switches or photoelectric switches). When the 24 V terminal is used as the sensor power supply, the COM terminal is the DC 24 V ground. If an expansion unit is used, the 24 V terminals of the basic unit and the expansion unit should be connected. Additionally, no external power source should be connected to this terminal. In case of overload, the voltage will drop automatically, and the input at this point will not affect the programmable controller. The number of input points for each model of PLC is specified. For every unused input point, no power is consumed, so in this case, the current supply capability of the 24 V power terminal can be increased. 2) Input wiring: Generally accepts discrete signals from inputs such as limit switches and travel switches. The input terminal block is the port for signal conversion between the PLC and external sensor loads. Input wiring generally refers to the wiring between external sensors and input ports. Input devices can be any passive contacts or collector-open NPN transistors. When the input device is activated, the input terminal is connected, the input circuit is closed, and the input indicator LED lights up. Galvanic isolation via optocouplers is used between the primary and secondary circuits of the input terminal. The secondary circuit includes an RC filter to prevent malfunction of the PLC caused by contact bounce of the input contacts or electrical noise coupled from the input lines. If a diode is connected in series in the input contact circuit, the voltage across the series diode should be less than 4 V. If a reed switch with an LED is used, the number of series diodes must not exceed two.

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