Name: NJJ7 Counting Relay
Brand: Chint

NJJ7 Counting Relay

The NJJ7-M Series Counting Relay is designed for counting and control in AC/DC circuits with voltages up to 240V. It supports multiple counting modes, high counting speeds, and features wide voltage operation with long power-off memory, ideal for precise industrial applications.

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FAQs

What is the main function of the NJJ7 Counting Relay?

It provides pulse counting and control logic for automation and machinery, managing addition, subtraction, and reversible count operations with precise timing.

What input signals does it accept?

The NJJ7 supports contact, NPN, and PNP sensor inputs, offering compatibility with various industrial sensing and control systems.

Can it remember the count value after power loss?

Yes, it includes a non-volatile memory that retains data for more than 10 years even without power.

How fast can it count pulses?

It offers selectable counting speeds of 1, 30, or 1000 counts per second, ensuring adaptability for both slow mechanical and high-speed digital operations.

Where is the NJJ7 commonly used?

It is ideal for automation equipment, packaging lines, and process control, where accurate counting and reliable signal processing are required.

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NJJ7 Counting Relay

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