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CPM1A-8ER
Omron manufactured the CPM1A-8ER is an expansion I/O unit designed for the CPM1A series of PLCs. It has 8 digital inputs and 8 digital outputs and can be used to increase the PLC's I/O capabilities. The unit's service life for electrical resistive loads is 150,000 cycles, 100,000 cycles with electrical inductive loads, and 20 million cycles with mechanical relay operations. It works with 0 to 55 degrees centigrade ranges temperatures. This expansion unit complies with CE, NK, CSA, Lloyd, and UL standards.
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Technical specifications for CPM1A-8ER
| Manufacturer | Omron |
|---|---|
| Product Type | Expansion I/O unit |
| Product Line | CPM1 |
| Part Number | CPM1A-8ER |
| Weight | 0.38 lbs (0.17 kg) |
| Series | CPM1A |
| Output type | Relay outputs |
| Number of output points | 8 outputs |
| Power consumption rating | 2 watts |
| Maximum switching capacity | 250 V AC/2 amps; 24 V DC/2 amps (4 amps /common) |
| Minimum switching capacity | 5 V DC, 10 milliamps |
| Mechanical relay service life | 20 million times |
| ON/OFF delay | 15 milliseconds max. |
| Standards | CE, CSA, NK, UL, Lloyd |
| Mounting Mode | DIN Rail |
| Termination Style | Screw Terminal |
| Operating Temperature | 0°C to 55°C |
The CPM1A-8ER from Omron is an expansion I/O unit from the CPM1A line of components. This module is intended to be used in conjunction with CPM1A series PLCs in industrial automation applications. It supports more output points for controlling external devices. The CPM1A-8ER module enables a PLC to support up to 8 distinct devices or processes. These outputs are of the relay type, which implies that they switch electrical signals to attached devices using relays. The CPM1A-8ER module is rated for 2 watts of power consumption. The outputs' maximum switching power is specified as 250V AC/2 amps (cos=1) and 24V DC/2 amps (4amps/common). With a combined maximum load of 4 amps, each output can manage a full load of 2 amps for AC voltage and 2 amps for DC voltage. The module is appropriate for low-power applications because it offers a minimum switching capacity of 5V DC with 10 milliamps (mA). The electrical service life is specified as 150,000 cycles at 24V DC for resistive loads and 100,000 cycles at 200V AC for inductive loads (cos = 0.4). This indicates the expected relay lifespan under specific stress conditions. In addition, the service life of mechanical relays is specified as 20 million times, representing their reliability. The ON delay and OFF delay of the CPM1A-8ER module is defined as 15 milliseconds maximum. This module is only 66mm (2.6 inches) in width, allowing for simple integration into control displays or equipment. This module meets CE, CSA, NK, UL, and Lloyd standards to satisfy safety standards for industrial automation systems.
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