Implementing 3-Switch XOR Ladder Logic with Internal Bit
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
Engineered for medium-to-large-scale machine control and industrial automation, the Omron CS1G-CPU42-V1 serves as a high-performance central processing unit within the modular CS1-series programmable logic controller (PLC) architecture. This CPU Unit optimizes processing speeds and instruction execution times to handle demanding automation tasks across complex production environments.
The CS1G-CPU42-V1 features a program capacity of 10K steps and a robust memory capacity of 64K words, facilitating advanced sequential and process control configurations. Designed for seamless integration, it supports up to 960 local I/O points, allowing for highly flexible system expansion. Its design ensures compatibility with existing CS1 rack systems, communication modules, and digital/analog I/O cards, providing a scalable path for upgrading legacy systems without full rewiring.
| Parameter | Specification |
|---|---|
| Manufacturer | Omron |
| Part Number/Model | CS1G-CPU42-V1 |
| Product Series | CS1 Series (CS1G) |
| Program Capacity | 10K steps |
| Data Memory Capacity | 64K words (DM: 32K words, EM: 32K words) |
| I/O Points | 960 points (expandable) |
| Current Consumption | 0.78 A at 5 VDC |
| Mounting Location | CS1-series CPU Rack (CPU slot only) |
| Programming Language | Ladder Diagram, Instruction List, Structured Text, SFC |
| Weight | 0.45 kg |
| Operating Temperature Range | 0 to 55 degC |
| Storage Temperature Range | -20 to 75 degC |
For reliable system performance and thermal management, install the CS1G-CPU42-V1 CPU Unit on a compatible CS1D or CS1W backplane in the dedicated CPU slot. Ensure the backplane is mounted vertically inside an enclosure with a minimum clearance of 50 mm above and below the rack to allow proper airflow. Keep the unit away from high-voltage cables and heavy electrical machinery to minimize electromagnetic interference (EMI). Verify that the system is completely powered down before inserting or removing the CPU unit to prevent damage to the backplane connectors.
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Returns & Warranty

Engineered for medium-to-large-scale machine control and industrial automation, the Omron CS1G-CPU42-V1 serves as a high-performance central processing unit within the modular CS1-series programmable logic controller (PLC) architecture. This CPU Unit optimizes processing speeds and instruction execution times to handle demanding automation tasks across complex production environments.
The CS1G-CPU42-V1 features a program capacity of 10K steps and a robust memory capacity of 64K words, facilitating advanced sequential and process control configurations. Designed for seamless integration, it supports up to 960 local I/O points, allowing for highly flexible system expansion. Its design ensures compatibility with existing CS1 rack systems, communication modules, and digital/analog I/O cards, providing a scalable path for upgrading legacy systems without full rewiring.
| Parameter | Specification |
|---|---|
| Manufacturer | Omron |
| Part Number/Model | CS1G-CPU42-V1 |
| Product Series | CS1 Series (CS1G) |
| Program Capacity | 10K steps |
| Data Memory Capacity | 64K words (DM: 32K words, EM: 32K words) |
| I/O Points | 960 points (expandable) |
| Current Consumption | 0.78 A at 5 VDC |
| Mounting Location | CS1-series CPU Rack (CPU slot only) |
| Programming Language | Ladder Diagram, Instruction List, Structured Text, SFC |
| Weight | 0.45 kg |
| Operating Temperature Range | 0 to 55 degC |
| Storage Temperature Range | -20 to 75 degC |
For reliable system performance and thermal management, install the CS1G-CPU42-V1 CPU Unit on a compatible CS1D or CS1W backplane in the dedicated CPU slot. Ensure the backplane is mounted vertically inside an enclosure with a minimum clearance of 50 mm above and below the rack to allow proper airflow. Keep the unit away from high-voltage cables and heavy electrical machinery to minimize electromagnetic interference (EMI). Verify that the system is completely powered down before inserting or removing the CPU unit to prevent damage to the backplane connectors.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Japan
|