Omron PLC's input / output characteristics - Database & Sql Blog Articles

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The OMRON CPM1A is a compact PLC commonly used in logic control systems, where the primary input and output signals are digital switches. The input and output characteristics are detailed in Table 4-3 and Table 4-4 respectively. These specifications help users understand how the device interacts with external components and how it performs under different conditions.

Project Specifications
Power Supply Voltage DC24V, +10%, -15%
Input Impedance IN00000~00002: 2kΩ; Other: 4.7kΩ
Input Current IN00000~00002: 12 mA TYP; Other: 5mA TYP
ON Voltage Minimum DC14.4V
OFF Voltage Maximum DC 5.0V
ON Response Time 1 ~128ms or less (default 8 ms)
OFF Response Time 1 ~128ms or less (default 8 ms)

Note: The actual ON/OFF response time can be adjusted to 1ms, 2ms, 4ms, 8ms, 16ms, 32ms, 64ms, or 128ms through the PLC system settings.

Project Specification
Relay Output (CPU unit, expansion I/O unit)
Maximum Switching Capacity AC250V, 2A; DC24V, 2A
Minimum Switching Capacity DC5V, 10mA
Relay Life Electrical resistance load: 300,000 times; Inductive load: 100,000 times; Mechanical: 20 million times
ON Response Time 15ms or less
OFF Response Time 15ms or less
Transistor Output (CPU unit, expansion I/O unit)
Maximum Switching Capacity DC24V, 300mA
Minimum Switching Capability 10mA
Leakage Current 0.1mA or less
Residual Voltage 1.5V or less
ON Response Time 0.1ms or less
OFF Response Time Below 1.0ms

The CPM1A series is widely used in industrial automation due to its reliability, flexibility, and ease of integration into various control systems. Whether you're working on simple relay logic or more complex process control, this PLC provides the necessary performance and durability to meet your needs.

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