Détails du produit
Product Overview
The Allen-Bradley 1756-OBV8S serves as a specialized 8-channel safety output module designed specifically for the ControlLogix 5580 and GuardLogix 5580 automation systems. Engineered for critical safety applications, this module delivers precise 10-30V DC output to control safety devices such as emergency stops, safety gates, and light curtains. It achieves high safety integrity levels, allowing engineers to integrate it seamlessly into safety circuits up to SIL 3 / PLe without the need for external safety relays. We supply this item as a 100% Brand New, factory-sealed unit.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Series | ControlLogix |
| Product Type | Safety Output Module |
| Number of Channels | 8 Safety Outputs |
| Output Voltage Range | 10 - 30V DC |
| Safety Rating | SIL 3 / PLe (when used in a safety system) |
| Connector Type | 20-Pin Removable Terminal Block |
| Backplane Current (5V DC) | 125 mA (Typical) |
| Backplane Current (24V DC) | 10 mA (Typical) |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
Engineering Advantages
Integrated Safety Architecture
The 1756-OBV8S allows engineers to consolidate standard and safety control logic within a single ControlLogix chassis. By handling safety outputs directly through the PLC backplane, you eliminate the need for bulky, hard-wired external safety relay panels. This integration significantly reduces cabinet footprint, simplifies wiring, and streamlines troubleshooting through unified diagnostics in Studio 5000 Logix Designer.
Advanced Diagnostic and Fault Detection
Designed to meet rigorous functional safety standards, this module features comprehensive internal self-diagnostics. It continuously monitors for short circuits, open loads, and internal component failures. In the event of a detected fault, the module forces outputs to a safe state immediately, ensuring maximum personnel protection and minimizing unplanned machine downtime.
High-Density Safety Output Control
With 8 independent safety-rated output channels in a single module slot, the 1756-OBV8S maximizes I/O density. This high channel count is ideal for complex machinery requiring multiple safety zones, such as robotic cells with interlocked gates and emergency stop circuits, allowing for precise and segmented safety control strategies.
FAQs
Q: What safety integrity level does the 1756-OBV8S support?
A: When integrated correctly within a GuardLogix or ControlLogix safety system, this module supports safety applications up to SIL 3 (Safety Integrity Level 3) and PLe (Performance Level e), meeting the highest standards for industrial machine safety.
Q: Can I mix this safety module with standard ControlLogix I/O?
A: Yes, the 1756-OBV8S resides in the same ControlLogix chassis as standard I/O and communication modules. However, safety logic and safety I/O must be configured and handled within the safety partition of the controller.
Q: What is the output voltage range for this safety module?
A: The module provides discrete safety outputs with a voltage range of 10 to 30V DC, making it compatible with standard industrial 24V DC safety actuators, contactors, and signaling devices.
Q: Does this module require a specific terminal block?
A: Yes, the 1756-OBV8S uses a 20-pin removable terminal block (RTB) for field wiring. This allows for quick installation and easy replacement without the need to disconnect individual field wires.
Informations supplémentaires
- Pièces 100 % d'origine : Tous les produits sont originaux et authentiques, garantissant des performances industrielles fiables.
- Garantie de remboursement de 30 jours : Retournez tout article en stock dans les 30 jours dans son emballage d'origine non ouvert pour un remboursement complet (hors frais de port et frais).
- Garantie de 12 mois : Couvre les défauts de matériaux ou de fabrication ; exclut les mauvais usages, l'usure normale ou les modifications non autorisées.
- Expédition mondiale : Nous expédions via USPS, UPS, FedEx et DHL. Les délais de livraison varient selon le pays et peuvent être soumis à des frais de douane ou d'importation.
- Assistance & Contact : Une assistance technique et garantie est disponible à tout moment. Contactez-nous ici : Contact.
- Conseils d'achat : Vérifiez attentivement les spécifications et la compatibilité du produit avant de commander pour assurer une application correcte.





























