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 for seamless installation in electrical cabinets, the Beckhoff C6140-0070 delivers high-performance industrial computing power for demanding manufacturing and control processes. This control cabinet Industrial PC features a robust stainless steel based housing with IP20-rated protection, making it ideal for standard industrial environments. Equipped with an ATX motherboard, the system supports 6th and 7th generation Intel processors, ranging from efficient Intel Celeron units to powerful Intel Core i7 multi-core processors, allowing scalability tailored to complex TwinCAT control tasks and automation architectures.
The unit provides extensive expandability via multiple PCIe and PCI slots, facilitating easy integration of network cards, fieldbus interfaces, and additional dynamic communication modules. With active cooling design, dual on-board Gigabit Ethernet ports, and standard SATA RAID 1 controller support, the unit guarantees high system availability, robust data redundancy, and reliable communication with PLC and DCS networks.
| Parameter | Specification |
|---|---|
| Manufacturer | Beckhoff |
| Part Number / Model | C6140-0070 |
| Device Type | Control cabinet Industrial PC |
| Housing Material | Stainless steel based housing |
| Protection Rating | IP20 |
| Operating Temperature | 0 to 55 degC |
| Base Processor | Intel Celeron G3900 2.8 GHz, 2 cores (TC2, TC3: 50) |
| Processor Options | 6th/7th Gen Intel Pentium, Core i3, Core i5, Core i7 (up to i7 7700 3.6 GHz) |
| Motherboard | ATX motherboard |
| Memory (RAM) | 4 GB DDR4 RAM (expandable up to 64 GB) |
| PCIe / PCI Slots | 2 x PCIe-x1, 1 x PCIe-x4, 1 x PCIe-x16 (up to 240 mm cards); 2 x PCI, 1 x PCIe-x4 (up to 270 mm cards) |
| Graphic Adapter | Integrated in the processor |
| Ethernet Interfaces | 2 x 100/1000BASE-T on-board |
| RAID Controller | On-board SATA RAID 1 controller |
| Standard Hard Disk | 3.5-inch 1 TB HDD (options: up to 4 TB HDD, SSD, CFast) |
| Power Supply | 100 to 240 V AC (option: 24 V DC, UPS) |
| Weight (Basic) | 14 kg (30.9 lbs) |
| Dimensions (W x H x D) | 383 x 362 x 265 mm (14.9" x 14.1" x 10.5") |
| Interface Connection | Standard Configuration Details |
|---|---|
| USB Ports | 4 x USB 3.0 (on-board) |
| Video Outputs | 2 x DVI, 1 x DisplayPort |
| Serial Ports | 1 x RS232 (expandable up to 3 x RS232) |
| Ethernet | 2 x RJ45 (100/1000BASE-T) |
| Input Interfaces | PS/2 keyboard and mouse connections |
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Returns & Warranty

Designed for seamless installation in electrical cabinets, the Beckhoff C6140-0070 delivers high-performance industrial computing power for demanding manufacturing and control processes. This control cabinet Industrial PC features a robust stainless steel based housing with IP20-rated protection, making it ideal for standard industrial environments. Equipped with an ATX motherboard, the system supports 6th and 7th generation Intel processors, ranging from efficient Intel Celeron units to powerful Intel Core i7 multi-core processors, allowing scalability tailored to complex TwinCAT control tasks and automation architectures.
The unit provides extensive expandability via multiple PCIe and PCI slots, facilitating easy integration of network cards, fieldbus interfaces, and additional dynamic communication modules. With active cooling design, dual on-board Gigabit Ethernet ports, and standard SATA RAID 1 controller support, the unit guarantees high system availability, robust data redundancy, and reliable communication with PLC and DCS networks.
| Parameter | Specification |
|---|---|
| Manufacturer | Beckhoff |
| Part Number / Model | C6140-0070 |
| Device Type | Control cabinet Industrial PC |
| Housing Material | Stainless steel based housing |
| Protection Rating | IP20 |
| Operating Temperature | 0 to 55 degC |
| Base Processor | Intel Celeron G3900 2.8 GHz, 2 cores (TC2, TC3: 50) |
| Processor Options | 6th/7th Gen Intel Pentium, Core i3, Core i5, Core i7 (up to i7 7700 3.6 GHz) |
| Motherboard | ATX motherboard |
| Memory (RAM) | 4 GB DDR4 RAM (expandable up to 64 GB) |
| PCIe / PCI Slots | 2 x PCIe-x1, 1 x PCIe-x4, 1 x PCIe-x16 (up to 240 mm cards); 2 x PCI, 1 x PCIe-x4 (up to 270 mm cards) |
| Graphic Adapter | Integrated in the processor |
| Ethernet Interfaces | 2 x 100/1000BASE-T on-board |
| RAID Controller | On-board SATA RAID 1 controller |
| Standard Hard Disk | 3.5-inch 1 TB HDD (options: up to 4 TB HDD, SSD, CFast) |
| Power Supply | 100 to 240 V AC (option: 24 V DC, UPS) |
| Weight (Basic) | 14 kg (30.9 lbs) |
| Dimensions (W x H x D) | 383 x 362 x 265 mm (14.9" x 14.1" x 10.5") |
| Interface Connection | Standard Configuration Details |
|---|---|
| USB Ports | 4 x USB 3.0 (on-board) |
| Video Outputs | 2 x DVI, 1 x DisplayPort |
| Serial Ports | 1 x RS232 (expandable up to 3 x RS232) |
| Ethernet | 2 x RJ45 (100/1000BASE-T) |
| Input Interfaces | PS/2 keyboard and mouse connections |
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 |
Germany
|