The Omron CP1H-XA40DT-D, also cataloged as the CP1H-XA40DT-D CPU Unit, operates as a dedicated hardware component for high-speed motion positioning, analog processing, and industrial logic execution within Omron CP1H PLC network architectures.

Technical Identifier Matrix

• Series Prefix (CP1H): High-speed multi-function CPU unit platform
• Analog Built-In (XA): Integrated 4 analog inputs and 2 analog outputs
• I/O Capacity (40): 40 total built-in discrete I/O points (24 Inputs, 16 Outputs)
• Output Classification (T): Transistor sinking outputs supporting 100 kHz pulse outputs
• Power Supply Suffix (D): 24 VDC external power supply input

Hardware Specifications

PLC Determinism and Backplane Bus Velocity

The execution processor inside the CP1H-XA40DT-D achieves ultra-fast processing speeds, executing basic ladder instructions in 0.10 microseconds. High-speed multi-axis pulse train control operates across 4 independent axes at 100 kHz, synchronized with differential high-speed encoder feedback processing up to 1 MHz for deterministic closed-loop positioning routines.

The lateral expansion bus architecture scales system density up to 320 physical I/O points by connecting up to 7 CP1W expansion modules or CJ-series special I/O units via a CJ unit adapter. Memory access across internal 1/12,000 resolution analog channels, CJ-series backplane interfaces, and 32K words of DM Area memory maintains strict clock determinism during cyclic scan immediate I/O refresh sequences.

Package Contents & Ordering Information

• 1x Omron CP1H-XA40DT-D CPU Unit
• 1x Removable Terminal Block Assembly
• 1x Internal Memory Backup Battery
• 1x Hardware Installation Sheet

Field Installation Guidelines

• DIN-Rail Mounting: Install the CPU unit vertically on a standard 35 mm DIN rail (PFP-50N/PFP-100N). Ensure a minimum vertical clearance of 50 mm above and below the module for airflow cooling.
• Power Connection: Connect a regulated 24 VDC power supply to the main CPU supply terminals using copper conductors rated for 75 deg C. Ensure correct DC polarity prior to energizing.
• Transistor Output Wiring: Wire external load circuits using sinking transistor topology. Connect the external DC voltage supply positive terminal to the load and wire the negative load pin to the CPU output terminal.
• Shielding & Grounding: Terminate high-speed encoder cables and analog signal wire shields using a 360-deg braid grounding clamp to a low-impedance protective earth (PE) bus.
• Terminal Screws Torque: Tighten all M3 terminal block screws to a torque spec of 0.5 N-m to preserve low electrical contact resistance.

Frequently Asked Questions

• What basic instruction execution speed does the CP1H-XA40DT-D achieve?

  The processing engine executes basic ladder instructions in a minimum execution time of 0.10 microseconds.

• How many built-in analog I/O channels are integrated into this model?

  The unit features 4 built-in analog inputs and 2 built-in analog outputs with a resolution of 1/12,000.

• What high-speed pulse output capabilities exist for motion control?

  The processor provides 4 axes of transistor pulse output driving step/direction signals up to 100 kHz.

• What supply voltage is required to power the CP1H-XA40DT-D?

  This CPU model operates on a nominal 24 VDC external supply input.

• How many total I/O expansion modules can be attached to the backplane?

  Up to 7 expansion units (CP1W series or CJ-series via an adapter) can be connected laterally.

• What programming connection port comes standard on the base chassis?

  A built-in USB 1.1 peripheral port is integrated on the front panel for CX-Programmer connections.

• What is the maximum encoder input signal frequency supported?

  The high-speed counter inputs support up to 1 MHz differential inputs across 2 axes or 100 kHz across 4 axes.

• How should field signal shielding be grounded on high-speed lines?

  All cable shields must be clamped via a 360-deg braid connector directly to a protective earth ground.