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Omron CVM1 C20-CPU74-E

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C20-CPU74-E

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The Omron C20-CPU74-E is a programmable controller from the CVM1 series. It operates on AC power of 100-120 volts, with a processing speed of 10 microseconds per address. This unit is designed to implement a ladder diagram programming language efficiently.

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Technical specifications for C20-CPU74-E

ManufacturerOmron
Product TypeProgrammable Controller
Product LineCVM1
Part NumberC20-CPU74-E
Weight3.00 lbs (1.36 kg)
Main Control ComponentMPU, CMOS, LS-TTL
Power SourceAC 100-120V
Relay Lifespan300K (electrical), 50M (mech) ops
Instruction Size6 bytes/address
Programming LanguageLadder diagram
Output Circuits (Contact)12 points (8/3/1 common)
Processing Speed10 µs/address
DC Input Points (NPN)16 points (8/common)
Input VoltageDC 24V (+10%, -15%)
Input Current7 mA (typical, DC 24V)
Control MethodStored program
Memory Capacity (Non-Exp.)RAM: 512, EPROM: 1194
Total Instructions27
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The C20-CPU74-E models a dedicated programmable controller by Omron that serves well in various automation applications. Functioning effectively from an AC power source rated between 100 to 120 volts, it ensures smooth operation in numerous environments. This controller significantly reduces response time with a processing speed of just 10 microseconds for each address, enhancing control precision.

Designed with a main control component that includes MPU alongside CMOS and LS-TTL technology, the unit enables stable processing for various operations. It utilizes ladder diagram programming, a widely recognized format that simplifies user programming and troubleshooting.

The device features 12 output circuits with configurations of 8, 3, and 1 common points, while also providing 16 DC input points configured as NPN, with 8 of those sharing a common designation. The input voltage requirements specify a DC voltage of 24V, allowing for a variation of ±10% to -15%. Further enhancing its operational reliability, this model exhibits a typical input current of 7 mA under nominal conditions.

The controller's relays are rated for an impressive lifespan of up to 300,000 electrical operations and 50 million mechanical operations, ensuring durability through extensive use. The unit includes a memory capacity of 512 for RAM and 1194 for EPROM, which collectively supports up to a total of 27 instructions available for tasks. The control method employed is a stored program approach, which allows for effective process automation and control.