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Omron CQM1 CQM1H-CPU51

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CQM1H-CPU51

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The Omron CQM1H-CPU51 module is a SYSMAC CQM1H series CPU unit with versatile capabilities. It supports up to 11 I/O units and dedicated I/O units, 1 communications unit, and 2 inner boards at most. The CQM1H-CPU51 module has 512 I/O points, and its data memory capacity is 6K words. It features 162 instructions in its set (14 basic instructions, 148 special instructions). The CQM1H-CPU51 CPU module operates at an input voltage rating of 24 V DC, and it has 16 input points.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Technical specifications for CQM1H-CPU51

ManufacturerOmron
Product LineCQM1
Part NumberCQM1H-CPU51
Weight1.13 lbs (0.51 kg)
Module TypeCPU unit
No. of I/O Units and Dedicated I/O Units11 max.
No. of Communications Units1 max.
No. of Inner Boards2 max.
Max. I/O Points (Allocated Words)512 points (32 words)
Data Memory Capacity6K words
Instruction Lengths1 to 4 words per instruction
Number of Instructions in the Instruction Set162 (14 basics, 148 special instructions)
Input Voltage24 V DC +10%/–15%
Input Impedance2.2 kΩ; other inputs: 3.9 kΩ
Input Current10 mA typical; other inputs: 6 mA typical (at 24 V DC)
No. of Inputs16 points (16 inputs/common, 1 circuit)
Programming LanguageLadder diagram
Control MethodStored program method
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The Omron CQM1H-CPU51 SYSMAC CQM1H module is a CPU module that was designed for industrial automation applications in SYSMAC CQM1H series programmable controller systems. It can accommodate up to 11 I/O units or dedicated I/O units, along with 1 communications unit and up to 2 inner boards. The CQM1H-CPU51 CPU module supports 512 I/O points (equivalent to 32 words) and a data memory capacity of 6K words. It comes with an instruction set containing 162 instructions (including 14 basic instructions and 148 special instructions). The CQM1H-CPU51 CPU has the flexibility required for a range of application tasks. It supports instruction lengths spanning from 1 to 4 words. The input voltage rating for the CQM1H-CPU51 CPU module is 24 V DC with a tolerance rating of +10% to -15%. The input impedance for inputs IN4 and IN5 is 2.2 kΩ, while the input impedance rating for the other inputs is 3.9 kΩ. The input current rating is 10 mA for inputs IN4 and IN5 and 6 mA for the other inputs (at 24 V DC). The ON voltage rating is 17.4 V DC minimum, while the OFF voltage rating is 5.0 V DC module. The CQM1H-CPU51 CPU supports default ON and OFF delay times of 8 ms each that are adjustable between 1 and 128 ms in the PC setup process. It features 16 input points connected to the same common. The CQM1H-CPU51 CPU is designed for DIN track mounting. It employs the stored program method for control and a combination of cyclic scan and direct output/immediate interrupt processing methods for I/O control. The programming language used is the ladder diagram programming language which is a common and intuitive programming language in industrial automation applications.