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.
Designed to meet high-performance requirements in industrial machine automation, the Schneider Electric TM258LF42DR serves as a robust controller base unit within the Modicon M258 platform. This compact programmable logic controller (PLC) integrates 42 diverse inputs and outputs (I/O) with built-in relay functionality, making it highly adaptable for complex control architectures. Operating on a 24V DC power supply, the controller features native communication interfaces including an integrated CANopen port to facilitate reliable, high-speed data exchange with drives, remote I/O modules, and external field devices. Its space-saving design ensures seamless installation into standard control panels without sacrificing processing power or connection density.
| Manufacturer | Schneider Electric |
| Part Number / Model | TM258LF42DR |
| Product Series | Modicon M258 |
| Product Type | Logic Controller Base Unit |
| Total Integrated I/O | 42 I/O |
| Rated Supply Voltage | 24V DC |
| Output Type | Relay and Transistor |
| Communication Interface | CANopen, Serial Link, Ethernet |
| Product Status | Active |
| Dimensions | 37.0 cm x 15.0 cm x 13.0 cm |
| Weight | 1.04 kg |
For safe installation and long-term operating reliability, adhere to the following standard engineering procedures:
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Returns & Warranty

Designed to meet high-performance requirements in industrial machine automation, the Schneider Electric TM258LF42DR serves as a robust controller base unit within the Modicon M258 platform. This compact programmable logic controller (PLC) integrates 42 diverse inputs and outputs (I/O) with built-in relay functionality, making it highly adaptable for complex control architectures. Operating on a 24V DC power supply, the controller features native communication interfaces including an integrated CANopen port to facilitate reliable, high-speed data exchange with drives, remote I/O modules, and external field devices. Its space-saving design ensures seamless installation into standard control panels without sacrificing processing power or connection density.
| Manufacturer | Schneider Electric |
| Part Number / Model | TM258LF42DR |
| Product Series | Modicon M258 |
| Product Type | Logic Controller Base Unit |
| Total Integrated I/O | 42 I/O |
| Rated Supply Voltage | 24V DC |
| Output Type | Relay and Transistor |
| Communication Interface | CANopen, Serial Link, Ethernet |
| Product Status | Active |
| Dimensions | 37.0 cm x 15.0 cm x 13.0 cm |
| Weight | 1.04 kg |
For safe installation and long-term operating reliability, adhere to the following standard engineering procedures:
Global Express Shipping
Returns & Warranty
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For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
France
|