The Omron CPM2A-60CDR-D, also cataloged as the CPM2A-60CDR-D Programmable Controller, operates as a dedicated hardware component for discrete logic control and electromechanical load switching within CPM2A Series automation systems. Powered by a 24 VDC supply rail, the central unit monitors 36 discrete 24 VDC input channels, executes user logic application programs, decodes high-frequency encoder pulses, and drives 24 relay output contacts.

Technical Identifier Matrix

Hardware Specifications

I/O Density Scaling and Backplane Bus Velocity

The Omron CPM2A-60CDR-D utilizes a dedicated microprocessor block executing core user instructions within 0.26 us to 0.64 us execution timing. Integrated high backplane bus velocity ensures synchronous transfer between terminal memory image registers and real-world field contacts without introducing scan time delays. For modular I/O density scaling, the base CPU interface permits up to 3 CPM1A expansion modules to connect directly via the side expansion bus port, increasing system density while maintaining deterministic input processing on the high-speed 20 kHz counter channel.

Package Contents & Ordering Information

• 1x Omron CPM2A-60CDR-D CPU Unit
• 1x Removable Terminal Block Cover Assembly
• 1x Hardware Installation Sheet

Field Installation Guidelines

• Mechanical Mounting: Install horizontally onto a standard 35 mm DIN rail or secure directly to an enclosure backplate using M4 hardware. Maintain a minimum vertical spacing of 50 mm above and below the housing for convection cooling.
• DC Power Wiring: Connect a regulated 24 VDC power supply (20.4 to 26.4 VDC operating range) to the designated DC supply terminals. Maintain physical separation between power feed lines and low-voltage signal cabling.
• Relay Output Circuitry: Wire external loads across individual relay contact terminals. Install reverse-biased flywheel diodes across DC inductive loads and RC suppressors across AC inductive loads to mitigate arc erosion.
• Grounding Protocol: Connect the functional ground terminal to the panel central earth ground bus bar using copper conductor with a cross-sectional area of at least 2.0 mm sq.
• Signal Cable Shielding: Terminate high-speed encoder input lines using Shielded Twisted Pair (STP) cabling with a 360-deg braid shield clamp grounded to the main panel frame.

Frequently Asked Questions

• Q: What is the operating voltage requirement for the CPM2A-60CDR-D?

  A: The unit operates on a nominal supply voltage of 24 VDC within an allowable range of 20.4 to 26.4 VDC.

• Q: What are the electrical rating limits for the relay output contacts?

  A: Each output relay point supports a maximum switching capacity of 2 A per channel at up to 250 VAC or 24 VDC.

• Q: What is the integrated discrete I/O configuration on this model?

  A: The module integrates 60 total discrete points, comprising 36 inputs (24 VDC) and 24 electromechanical relay outputs.

• Q: What logic execution processing speed does the internal CPU deliver?

  A: Execution time ranges between 0.26 us and 0.64 us per basic ladder logic instruction block.

• Q: What encoder feedback interface is integrated into the unit?

  A: The unit provides 1 high-speed counter input channel capable of processing single-phase pulse streams up to 20 kHz.

• Q: How many local expansion modules can be connected to the CPU base?

  A: Up to 3 CPM1A expansion I/O or specialty communication units can be mounted to the main CPU frame.

• Q: What are the precise physical dimensions of the CPU housing?

  A: Outer dimensions strictly measure 19.5 cm in width, 9.0 cm in height, and 9.0 cm in depth.

• Q: What memory allocation is designated for logic instructions and data storage?

  A: The unit incorporates 4 kWords of user logic program memory and 2 kWords of internal data memory.