Configured for high-speed digital logic processing and discrete output switching in industrial automation networks, the Omron CP1E-N40S1DR-A (CP1E-N40 Programmable Controller) provides direct physical/electrical execution across discrete control loops.

Model Decoder & Variant Breakdown

The part number CP1E-N40S1DR-A defines key hardware structures within the Omron CP1E compact controller architecture:

• CP1E: Identifies the primary compact PLC controller series.
• N: Designates application-type CPU unit equipped with built-in RS-232C communication port.
• 40: Specifies 40 total built-in I/O points (24 inputs and 16 outputs).
• S1: Denotes updated hardware renewal CPU unit with built-in clock/calendar function.
• D: Indicates 24 VDC inputs.
• R: Represents electromechanical relay outputs.
• A: Identifies 100 to 240 VAC main operating power supply.

Core Technical Specifications

Architecture Architecture & Bus Execution

The CP1E-N40S1DR-A incorporates optimized backplane bus communication velocity for rapid updates across local expansion modules. Standard firmware flash compatibility preserves non-volatile user programs and data memory configurations during line power loss. The core processing unit processes high-speed interrupt inputs and high-density I/O scanning cycles, driving reliable real-time program execution across embedded relay channels and external expansion units.

Package Contents

• 1 x Omron CP1E-N40S1DR-A CPU Unit
• 1 x Set of removable screw terminal blocks (pre-mounted)
• 1 x Installation manual sheet

Cabinet Mounting and Wiring Directives

• Secure the controller to a rigid 35 mm DIN rail or surface-mount using M4 screws inside an IP54 industrial enclosure.
• Maintain a clearance space of at least 50 mm above and below the housing to facilitate vertical thermal airflow cooling.
• Route AC supply cables away from sensitive DC input lines to minimize capacitive noise coupling.
• Ground the functional earth (FE) terminal using standard copper conductor rated for low-impedance grounding.

Technical FAQ

• Q: What is the main operational power input range supported by this controller?

  A: The CPU operates directly from an AC utility source ranging from 100 to 240 VAC at 50/60 Hz without requiring external power adapters.

• Q: What type of output circuitry is embedded on the output terminals?

  A: The unit utilizes mechanical relay contacts rated for switching up to 2 A at 250 VAC or 24 VDC per output channel.

• Q: Does this CPU unit include an integrated serial communication port?

  A: Yes, the unit includes a built-in RS-232C serial port along with a standard USB 2.0 peripheral port for programming and HMI interface.

• Q: What is the total digital I/O point count available on the base unit?

  A: The base unit provides 40 total integrated discrete I/O points, divided into 24 inputs and 16 relay outputs.

• Q: Is firmware program memory preserved during an unpowered state?

  A: Yes, user application programs are stored in non-volatile flash memory, securing logic up to 8K steps without battery power.

• Q: Can this model be expanded with additional expansion I/O units?

  A: Yes, up to three CP1W series expansion modules can be connected via the right-side expansion bus connector.

• Q: What wire gauge should be used for terminal block connections?

  A: Use stranded or solid copper wires with cross-sectional areas between 0.2 mm2 and 1.5 mm2 for terminal connections.

• Q: What ambient operating conditions are permitted for continuous run mode?

  A: The hardware operates within ambient temperatures from 0 to 55 deg C and relative non-condensing humidity from 10% to 90%.