plc relay

ANY Timer Rrelay
Rated 4.5/5 based on : 18286 User Reviews

Powerful plc relay for High-Risk Applications
Reliable plc relay Styles for Commercial and Industrial Applications
CHINA – ?¡ãAny Electronics?¡À proudly presents their whole range of plc relay . They offer a full set of plc relay goods as well as other interrelated goods. These units are noticed in diverse applications including industrial applications, industrial handle circuits in addition to OEM Panels. These devices come with superb precision and repeatability. The regular plc relay which might be developed lately need quite tiny panel space.

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2-channel 5V Relay Module Interface Board for PLC MCU Control Smart Home Control

Features: This relay module is 5V active low. It is an 2-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current. Relay output maximum contact is AC250V 10A and DC30V 10A. Standard interface can be directly connected with microcontrollers. Red working status indicator lights are conducive to the safe use. Widely used for all MCU control, industrial sector, PLC control, smart home control. Specifications: Working voltage: 5V Channel: 2 channel Item size: approx. 4.9 * 3.8 * 1.7cm / 1.93 * 1.5 * 0.67in Item weight: 29g / 1.01oz Package weight: 32g / 1.12oz Package includes: H9467 1 * 2 Channel Relay Module

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Price: $24.00


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gonkey asked How does a PLC communicate with OPC server?

If I have a temperature sensor operating on a 4-20mA anlogue signal connected to a PLC, and a radiator valve/actuator operating on 0-10V, how is this information relayed in the OPC server? And how is the li k achieved from the room temperature to the OPC software?

And got the following answer:

First the physical measurements (i.e. Temperature ) are converted to an analog signal such as a voltage or current. This analog signal is then passed to the input of the PLC where it is converted into a digital form by equating the intensity of the voltage or current into a numeric value. THis is done by an ADC (Analog to Digital Converter). This numeric value is then assigned to a variable (memory location) after which it becomes available to the PLC for use in its control logic. The PLC is also programmed to perform communication with other computers, controllers or PLC's. Communication between these devices is done using a communication protocol such as RS232, RS486 or MODBUS etc... Collectively these devices form a network and can exchange data between devices connected to the network. The OPC server program polls the PLC and other devices via the communications network and basically asks each device for the values stored in its memory. The programmer defined the OPC tag to look at a particular memory location of a particular device (PLC) and label it to describe its function and property ( i.e. Oil temperature). Once the OPC tags have been read from the PLC they can be passed on to other OPC clients

The plc relay function extremely nicely with various applications that are specific to power distribution and protection. The relays include wide adjustment ranges having a scale which is simple to read either in three or four digits as outlined by the model. These plc relay assist in growing the flexibility of the applications, reduce the all round energy and maintenance expenses. You’ll find relays that are utilized for common purposes which come in reputable styles with quick replacement choices. And there are models which are applied for industrial applications and heavier duty applications that work on big loads. These products are produced to meet the lifetime industrial manage demands on the applications.
Their most current products will be the Time counter, Timer Delay, plc relay, Fast Connect Couplings, Electronic Motor Couplings, Aluminum Couplings, Morse Couplings and various other individuals. The internet site gives a detailed description of every single model in several categories of plc relay couplings and sensors. These products are exceptionally helpful for high-risk applications. The plc relay are also offered with capabilities like several timing ranges and functions. The corporation is at present trying to find agents and dealers who can promote and sell their factory made goods. They may be always on a lookout for building new and much more dependable goods depending on the needs and requirements with the business.

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