The Omron CS1G-CPU43H serves as the primary CS1G-CPU43 CPU Unit utilized to execute system logic sequencing and memory registers address processing across CS1 Series platforms. It manages real-time instruction cycles, central rack bus communication, and discrete I/O addressing without reliance on secondary coprocessor modules. The unit interfaces directly with expansion backplanes using integrated parallel bus lines.

Hardware Designation & Variant Mapping

• CS1G: Designates standard CS1 series programmable logic controller architecture.
• CPU43: Identifies the specific CPU hardware tier with 20 Ksteps program memory and 960 I/O bits handling limit.
• H: Denotes high-speed processing execution logic architecture with reduced instruction timing.

Functional Specifications

Deterministic Architecture & Bus Integration

The module manages backplane bus communication velocity Licences protocol execution to synchronize data frames across local and expansion backplanes. High-density I/O density scaling allows reliable 960-bit addressing across 2 expansion racks, while hardware firmware flash compatibility maintains signal timing alignment with connected serial communication, motion control, and analog I/O units.

Package Inclusions

• 1 x Omron CS1G-CPU43H Central Processing Unit
• 1 x Protective Dust Cover Assembly
• 1 x Product Technical Leaflet

Mechanical Mounting & Cabling Guidelines

Cabinet Layout & Unit Installation

• Insert the top and bottom mounting hooks of the CPU module into the leftmost CPU slot of the CS1 backplane.
• Press the module straight onto the backplane connector until the retention clips latch securely into place.
• Mount the base backplane onto a grounded metallic plate inside an IP54 industrial enclosure using M4 pan-head screws.

Signal Line Wiring & Grounding

• Connect serial peripherals using double-shielded twisted-pair wiring terminated with metallic D-sub hoods.
• Earth cable shielding directly to the system protective grounding point (100 ohms or less) near the panel entry.
• Maintain a physical isolation distance of at least 200 mm between low-voltage signal lines and high-current power cables.

Frequently Asked Questions

• Can the CS1G-CPU43H unit be replaced while the backplane power supply is turned on?

  No. Main power to the system backplane must be entirely shut down before inserting or removing the processor.

• What is the maximum number of expansion racks supported by the CS1G-CPU43H?

  The processor supports a maximum configuration of up to 2 expansion racks connected via dedicated expansion cables.

• How is program memory preserved in the event of an external power loss?

  Memory contents are maintained by a replaceable internal lithium battery mounted behind the front protective cover.

• What interface types are physically provided on the front connector panel?

  The front panel features one dedicated peripheral port and one standard RS-232C serial communication port.

• What instruction execution speed does this high-speed processor achieve?

  The unit executes basic LD instructions at a processing speed of 0.04 us per instruction cycle.

• How is system power delivered to the internal processor circuits?

  Power is drawn directly from the 5 VDC internal logic bus provided by the rack power supply unit.

• What visual indicators are provided for operational status monitoring?

  Front panel LEDs display real-time status for RUN, MONITOR, ERROR, ALARM, and communication traffic.

• What memory card type is compatible with the integrated front memory slot?

  The unit accepts standard Omron Flash Memory Cards for program backup, data logging, and parameter transfers.