Configured for high-density sequence control and motion positioning in SYSMAC CP1E architectures, the Omron CP1E-N40DT1-A (CP1E-N40DT1-A CPU Unit) provides direct physical/electrical execution across 24 digital inputs and 16 PNP sourcing transistor outputs.

Technical Identifier Matrix

• Base Hardware Model: CP1E-N40DT1-A
• Full Part Number: CP1E-N40DT1-A
• Product Type: CPU Unit with 40 Built-in I/O Points
• Series Family: Omron SYSMAC CP1E
• Class Type: N-type Application Model (High-speed functions and serial communication)
• Digital Inputs: 24 DC inputs (24 VDC)
• Digital Outputs: 16 transistor outputs (PNP sourcing)

Hardware Specifications

Omron Backplane Bus Velocity & Real-Time Logic Execution

The CP1E-N40DT1-A CPU unit coordinates cyclic scan execution and high-speed motion operations through an integrated local expansion interface. Sourcing (PNP) transistor outputs deliver high-frequency pulse train generation and rapid switching states to drive external load devices directly from the internal DC bus rail. Non-volatile onboard flash memory maintains user program code and system parameter structures during complete power loss. Deterministic execution timing ensures consistent scan latency across complex ladder routines and serial option board communication tasks.

Package Contents & Ordering Information

• 1x Omron CP1E-N40DT1-A Programmable Controller Unit
• 1x Removable protective terminal cover unit
• 1x Hardware specification instruction sheet

Field Installation Guidelines

• Cabinet Mounting: Mount the unit vertically onto a standard 35 mm DIN rail or secure directly to the enclosure backplate using M4 hardware, maintaining 50 mm clearance above and below for convective cooling.
• AC Supply Wiring: Connect the main power source to terminals L1 and L2/N using AWG 18 to AWG 14 insulated copper wire rated for 100 to 240 VAC nominal (85 to 264 VAC operating limits).
• Sourcing Output Protection: Wire free-wheel flyback diodes across external inductive DC loads connected to the PNP sourcing outputs to prevent high-voltage switching transients.
• Grounding Requirements: Connect the Functional Earth (FE) and Protective Earth (PE) terminals directly to a central copper ground bus bar using a low-impedance conductor with earth resistance under 100 Ohms.

Frequently Asked Questions

• Is hot-swapping supported for expansion units connected to the CP1E-N40DT1-A CPU?

  No. Main AC supply power must be disconnected before attaching or removing expansion modules to prevent backplane circuit damage.

• What output polarity and switching style are built into the CP1E-N40DT1-A module?

  All 16 digital output channels feature PNP sourcing transistor outputs that switch positive +24 VDC potential directly to the field load.

• What main supply voltage range is tolerated by the AC power terminals?

  The integrated power supply operates on nominal 100 to 240 VAC, with a continuous operational voltage range from 85 to 264 VAC.

• What communication interfaces are provided on the CPU front panel?

  The CPU features a built-in USB 2.0 B-type peripheral port for programming, an integrated RS-232C serial port, and one slot for optional serial boards.

• What is the total built-in discrete I/O channel density on this base unit?

  The unit provides 40 integrated discrete I/O channels, organized as 24 DC digital inputs and 16 PNP transistor digital outputs.

• What functional earth grounding resistance must be verified during system commissioning?

  The functional ground connection must be bonded directly to panel chassis ground with a total measured earth resistance under 100 Ohms.

• What cable shielding strategy is required for discrete input and serial signal lines?

  Input and serial communication lines require continuous twisted-pair cabling with 360-deg braid shield clamping connected to panel earth ground.

• What ambient environment limits apply during non-operating storage of spare units?

  Uninstalled spare modules must remain in anti-static packaging stored at ambient temperatures between -20 and +75 deg C in non-condensing conditions.