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.
Integrate host computer systems directly into industrial networks via a dedicated PCI slot. The Q80BD-J71LP21G interface board provides reliable connection capabilities for high-speed deterministic communications. Engineered specifically for MELSECNET/H network architectures, this module operates as either a control station or a normal station within an optical fiber loop network, facilitating seamless data exchange between PCs and PLCs.
Operating at a transmission rate of 10 Mbps, the interface board utilizes dual-loop optical fiber cabling to ensure physical path redundancy. If a cable break or station fault occurs, the network automatically initiates loopback operations to maintain communications. It features backward compatibility, supporting both MELSECNET/H extended modes and legacy MELSECNET/10 configurations to easily integrate into existing control topologies.
| Manufacturer | Mitsubishi Electric |
| Model Number | Q80BD-J71LP21G |
| Interface Slot Type | PCI Slot (Half-size) |
| Occupied Slots | 1 Slot |
| Communication Speed | 10 Mbps |
| Transmission Path Format | Double loop |
| Communication Method | Token ring |
| Synchronization Method | Frame synchronization |
| Coding Scheme | NRZI code (Non Return to Zero Inverted) |
| Transmission Format | HDLC compliant (frame format) |
| Error Control Method | CRC (X16 + X12 + X5 + 1) and retry |
| Compatible Communication Cable | GI-50/125 optical fiber cable |
| Applicable Connector | 2-core optical connector plug F06 / F08 equivalent (conforming to JIS C 5975/5977) |
| Max Stations per Network | 64 stations (1 management station, 63 normal stations) |
| Maximum Station-to-Station Distance | 2 km |
| Total Network Extension Distance | 30 km |
| Internal Current Consumption (5 VDC) | 0.45 A |
| Weight | 0.11 kg |
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Returns & Warranty

Integrate host computer systems directly into industrial networks via a dedicated PCI slot. The Q80BD-J71LP21G interface board provides reliable connection capabilities for high-speed deterministic communications. Engineered specifically for MELSECNET/H network architectures, this module operates as either a control station or a normal station within an optical fiber loop network, facilitating seamless data exchange between PCs and PLCs.
Operating at a transmission rate of 10 Mbps, the interface board utilizes dual-loop optical fiber cabling to ensure physical path redundancy. If a cable break or station fault occurs, the network automatically initiates loopback operations to maintain communications. It features backward compatibility, supporting both MELSECNET/H extended modes and legacy MELSECNET/10 configurations to easily integrate into existing control topologies.
| Manufacturer | Mitsubishi Electric |
| Model Number | Q80BD-J71LP21G |
| Interface Slot Type | PCI Slot (Half-size) |
| Occupied Slots | 1 Slot |
| Communication Speed | 10 Mbps |
| Transmission Path Format | Double loop |
| Communication Method | Token ring |
| Synchronization Method | Frame synchronization |
| Coding Scheme | NRZI code (Non Return to Zero Inverted) |
| Transmission Format | HDLC compliant (frame format) |
| Error Control Method | CRC (X16 + X12 + X5 + 1) and retry |
| Compatible Communication Cable | GI-50/125 optical fiber cable |
| Applicable Connector | 2-core optical connector plug F06 / F08 equivalent (conforming to JIS C 5975/5977) |
| Max Stations per Network | 64 stations (1 management station, 63 normal stations) |
| Maximum Station-to-Station Distance | 2 km |
| Total Network Extension Distance | 30 km |
| Internal Current Consumption (5 VDC) | 0.45 A |
| Weight | 0.11 kg |
Global Express Shipping
Returns & Warranty
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| Country of origin |
United States
|