70MRCK8-HL

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I/O Relay Module Racks provide a compact, efficient and highly reliable way to monitor, control and protect important operations in industrial automation systems. The 70MRCK8-HL is one such relay module rack that is found in many industrial and commercial settings. This article will discuss the application field and working principle of the 70MRCK8-HL.

The 70MRCK8-HL is designed for use in production control systems and it is typically used to replace hardwired logic elements such as timers, counters and relay systems. It is also used in situations where high frequency or high voltage signals are present and require protection circuits. Those situations might include variable speed motor controllers, PLC controllers, servo controllers, SCADA systems, monitoring systems, and so on.

The 70MRCK8-HL contains eight independent, passive relay module slots. Each of these slots is designed to accept a wide variety of different relay modules that can be used depending on the requirements of the application. The eight slots are connected in a two-stage horizontal loop which allows for a configurable connection pattern to be created. The connection pattern can be changed as needed and can be used to control individual relays, or in combination with each other relay can be used to create complex control logic empires.

The 70MRCK8-HL has a wide operating voltage range. It can operate between -40°C to +85°C and withstands a maximum surge voltage of 250V AC in 10ms duration. It also has the ability to withstand a static current of 1A and a dynamic current of 5A.

When in use, the 70MRCK8-HL is powered by a 24V DC auxiliary voltage. This can include emergency backup power allowing for uninterrupted operation in adverse conditions. The 70MRCK8-HL also provides two redundant safety circuits to ensure the relays stay shut even if the operating voltage drops below 10V DC. This is particularly important in situations where a power failure would result in a loss of critical relays.

The working principle of the 70MRCK8-HL is simple yet reliable. Each relay module slot is connected to two onboard control terminals, namely the ‘In’ terminal and the ‘Out’ terminal. When an input signal is supplied to either of these terminals, the corresponding relay will switch. The two control terminals are connected to one another so that when a signal is sent to the ‘In’ terminal, a signal will be sent to the ‘Out’ terminal. This ensures that the relays are switched in the correct order.

The 70MRCK8-HL also includes a built-in timer function which can be used to control the duration of the relay operation. This allows for precise timing control and helps reduce the possibility of false triggers. The timer function can be easily adjusted by changing the jumper configuration.

The 70MRCK8-HL I/O Relay Module Rack is an extremely versatile and reliable solution for industrial and commercial control systems. It is designed to protect signals and systems from overload, malfunctions, and false triggers. It is also highly configurable and can be used to create complex control logic empires. This makes it suitable for applications in which reliable and precise control is essential.

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