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CQM1H-CPU21

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The CQM1H-CPU21 is a product type of a CPU Controller by Omron Automation. This CPU offers a maximum program capacity of 3.2 kwords and a DM capacity of 3 kwords, which help provide sufficient memory for user programs. Additionally, it supports a maximum I/O capacity of 256 points with support for 16 DC inputs. The controller features a built-in RS-232C port for convenient communication. It does not support inner boards or the Controller Link unit standards. However, the CQM1H-CPU21 supports CPU grouping and extension grouping for system configuration. It does not support I/O expansion adapters, however. The controller is compatible with various I/O modules and dedicated I/O modules, allowing system integration. The maximum number of units mountable depends on the specific configuration. For input voltage, the CQM1H-CPU21 supports 16 points of 24 VDC input voltage, with an input current of 10 mA for IN04/05 and 6 mA for the rest. The input impedance is 2.2 kΩ for IN04/05 and 3.9 kΩ for the remaining inputs. The operating voltage ranges from +10% to 15%. The ON voltage is 17.4 VDC minimum, while the OFF voltage is 5.0 VDC maximum. The ON and OFF delays have a maximum response time of 8 ms. The controller provides an external connection through a terminal block. It supports common inputs and can handle various input types and voltages. These specifications highlight the key features and capabilities of the Omron CQM1H-CPU21 controller, making it a reliable choice for automation applications requiring efficient program execution and versatile I/O handling.

Technical Specifications for CQM1H-CPU21

Memory capacityMax. 3.2 kwords
Max. I/O capacity256 points
Built-in inputs16 DC inputs
Built-in RS-232C portYes
Support of Inner BoardsNo
Support of Controller Link UnitNo
Program capacity3.2 kwords
DM area capacity3 kwords
Maximum Number of Units Mountable11 Modules max. (CPU Block + I/O Expansion Adapter
CPU modelCPU Block only or CPU Block + I/O Expansion Adapter
Input voltage24 VDC
Input current10 mA for IN04/05, 6 mA for other inputs
Input impedance2.2 k? for IN04/05, 3.9 k? for other inputs
Product Type:CPU Unit

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Rockwell Disclaimer: The product is used surplus. PDF Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because PDF Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, PDF Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. PDF Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.