Configured for discrete logic execution and field device control in industrial control architectures, the Omron CP1E-E30SDR-A (CP1E-E30SDR-A CPU Unit Hardware) provides direct physical/electrical execution.

Technical Identifier Matrix

• Base Model: CP1E
• Model Type: E (Basic model)
• I/O Capacity: 30 (18 DC inputs, 12 relay outputs)
• Design Version: S (Renewal type)
• Input Architecture: D (24 VDC inputs)
• Output Configuration: R (Electromechanical relay outputs)
• Power Source: A (100 to 240 VAC power supply)

Hardware Specifications

Omron PLC Processing Velocity & Signal Density

The CP1E-E30SDR-A integrates an internal CPU execution core optimized for high-density discrete processing across 30 built-in I/O channels. Backplane execution delays are eliminated through direct board-level trace routing between the CPU processor, the 18 DC input optocouplers, and the 12 electromechanical output relays. The instruction processing cycle operates with a basic instruction execution speed optimized for compact control operations. Firmware execution within the internal flash memory maintains deterministic scan cycles while managing peripheral USB communication and ladder program logic without external backplane expansion overhead.

Package Contents & Ordering Information

• 1x Omron CP1E-E30SDR-A CPU Unit
• 1x Screw terminal block cover assembly
• 1x Hardware installation instruction manual sheet

Field Installation Guidelines

• DIN Rail Mounting: Securely latch the controller onto a standard 35 mm DIN rail (TH35-7.5/TH35-15) using the rear-mounting slider lock. Provide a minimum vertical clearance of 50 mm above and below the unit for proper heat dissipation.
• AC Power Supply Wiring: Connect 100 to 240 VAC mains to terminals L1 and L2/N. Ensure protective earth (PE) is attached to the ground terminal using a wire gauge of at least 1.25 mm2 to suppress common-mode electrical noise.
• Input Isolation & Shielding: Route 24 VDC discrete sensor wiring separately from AC mains power cables by at least 100 mm. Ground all signal cable shields at a single point on the supply end to prevent ground loop currents.
• Terminal Screw Tightening Torque: Torque all M3 terminal block screws to 0.5 N m. Ensure crimp terminals (M3 fork or round type) are properly insulated before applying voltage.

Frequently Asked Questions

• Is hot-swapping supported for internal components or wiring blocks on the CP1E-E30SDR-A?

  No. The CP1E-E30SDR-A is a monolithic CPU unit without removable terminal blocks or hot-swappable modules. Main supply power must be isolated prior to servicing terminal connections.

• What is the maximum backplane expansion load limit for this CPU model?

  The renewal basic E-type model (CP1E-E30SDR-A) does not support expansion I/O units or option boards, resulting in a fixed total hardware capacity of 30 I/O points.

• What is the hardware response latency for the 24 VDC digital inputs?

  The default input ON/OFF response delay is selectable via software settings from 0 ms to 32 ms, with a default hardware optocoupler latency of 8 ms.

• Does the CPU flash memory require a battery backup for ladder program preservation?

  No. The program memory and system setup data are stored in non-volatile flash memory. A battery is only required if user DM data retaining or real-time clock functions are utilized.

• What is the insulation resistance and dielectric strength of the relay outputs?

  The unit provides 2000 VAC at 50/60 Hz for 1 minute between the AC power supply circuit and output contacts, with a minimum insulation resistance of 20 MOhm at 500 VDC.

• Can the built-in USB port be used for field network master communications?

  No. The integrated USB 2.0 type-B port functions exclusively as a peripheral programming and monitoring interface for CX-Programmer or CX-One software toolsets.

• What thermal derating applies when operating at the maximum ambient limit of 55 deg C?

  When operating at 55 deg C ambient temperature under continuous load, the simultaneous ON ratio of digital inputs and output relay loads must not exceed 80 percent of total channels.

• How should the system functional ground be terminated to prevent EMI interference?

  Connect the functional ground terminal directly to a dedicated earth ground electrode with a resistance less than 100 Ohm, using 2.0 mm2 minimum wire gauge.