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1756-A7/B - 7-Slot ControlLogix Backplane - Industrial Rugged Hot-Swap Power Module
| MOQ: | 1 |
| Price: | Negotiable |
| Standard Packaging: | 50*50*50mm |
| Delivery Period: | 3-7 |
| Payment Method: | T/T |
| Supply Capacity: | 1/piece in stock |
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| Attribute | Value |
|---|---|
| Type | module |
| Backlight | LED |
| Amperage | 17 |
| Manufacturer | Rockwell Automation |
| Sfp Port Type | 0 type |
| Max Number Of I/O Modules | 128 |
| Firmware Version | Full version |
| Condition | New |
The Allen-Bradley 1756-A7/B ControlLogix® Chassis serves as the robust backbone for high-performance automation systems, providing 7 slots for ControlLogix processors, I/O modules, and communication interfaces. Engineered with heavy-gauge steel construction and zinc-plated hardware, it delivers NEMA 12/4X (IP65) protection against dust, oils, and corrosive agents. Featuring integrated cooling fins and vibration-dampening mounts, it operates reliably from -40°C to +70°C in harsh environments like mining or offshore platforms. The chassis supports dual power supplies for redundancy and includes EMI-shielded backplane connectors to maintain signal integrity. Pre-drilled mounting holes enable vertical/horizontal DIN rail or panel installation per EN 50155 standards.
Durability and performance metrics:
- Slot Capacity: 7 slots (1 controller + 6 modules)
- Backplane Bandwidth: 256 Gbps via PCIe-based architecture
- Power Distribution: Dual 24V DC inputs (5A max per slot)
- Isolation: 1500V AC isolation between slots
- Cooling: Natural convection (0.5°C/W thermal resistance)
- Vibration/Shock: 5g @ 5-150Hz (IEC 60068-2-6) / 30g @ 11ms (IEC 60068-2-27)
- Environmental: 0-95% non-condensing humidity / UL Type 4X/12
- Certifications: ATEX II 3G, IECEx, DNV-GL, UL 61010-1, RoHS III
Mission-critical system integration:
- Oil & Gas: SIL 3 safety shutdown systems in API 14F hazardous zones
- Power Generation: Turbine control cabinets with redundant processors
- Automotive: High-speed robotic assembly lines with CIP Motion™
- Water Treatment: Flood-resistant pump control stations (IP66)
- Pharmaceutical: FDA-compliant cleanroom batch control
- Mining: Vibration-intensive conveyor motor control centers
- Marine: Engine room automation with DNV-GL certification
Engineering superiorities:
- Zero Downtime Design: Hot-swappable module support with live insertion/extraction
- Corrosion Defense: Zinc-nickel plating withstands 1,000hr salt spray (ASTM B117)
- Space Optimization: 30% denser than 1756-A10 chassis (saves 120mm panel depth)
- Thermal Resilience: -40°C cold-start capability without heaters
- Safety Integration: Dedicated grounding lugs for IEC 61800-5-2 STO circuits
- Installation Speed: Tool-less module clamping reduces commissioning by 50%
- Lifecycle Economy: 20-year design service (2× industry standard)
Advanced system management:
- Redundant Power Backplane: Auto-load balancing for N+1 PSU configurations
- Dynamic Slot Mapping: Electronic Keying prevents incompatible module insertion
- Vibration Compensation: Isolator pads absorb 90% of 15g shock energy
- Diagnostic Monitoring: Slot-level voltage/current sensing (±1% accuracy)
- Cyber-Physical Security: Tamper-evident slot covers with intrusion logging
- Firmware Validation: Secure boot via 1756-L8x processors
- Compliance Logging: Stores installation metadata for audit trails
| Attribute | Specification |
|---|---|
| Product Series | ControlLogix® 1756 (Series B) |
| Chassis Type | 7-Slot Backplane |
| Slot Configuration | 1 Controller Slot + 6 I/O/Communication Slots |
| Backplane Bus | Parallel 32-bit (5V DC logic) |
| Data Transfer Rate | 40 MB/s maximum |
| Power Requirements | 1756-Px Power Supply (72W min) via integrated power connector |
| Power Distribution | • +5V DC: 14A max (distributed) • +24V DC: 1A aux (user-supplied) |
| Isolation | 1500V AC (field-to-logic) |
| Controller Compatibility | ControlLogix 556x, 557x, 1756-L7x series |
| Module Support | All 1756 I/O, Communication, and Specialty Modules |
| Redundancy Support | Yes (requires 1757-SRM modules) |
| Status Indicators | Power OK (green LED) |
| Connection Interface | VME-style card guides with positive latching |
| Material | Cold-rolled steel with zinc-nickel plating |
| Color | Rockwell Dark Gray (RAL 7016) |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Relative Humidity | 5-95% non-condensing |
| Shock Resistance | 30g (11ms half-sine, IEC 60068-2-27) |
| Vibration Immunity | 5g @ 10-150Hz (IEC 60068-2-6) |
| Dimensions (H × W × D) | 318 mm × 194 mm × 135 mm (12.5 in × 7.64 in × 5.31 in) |
| Weight | 4.2 kg (9.26 lb) |
| Mounting | Panel or DIN rail (1756-HIM kit required) |
| Certifications | UL 508, CE, c-ULus, ATEX/IECEx Zone 2, Class I Div 2 |
| EMC Compliance | EN 61326-1, EN 61000-6-2, EN 61000-6-4 |
| Grounding | Dual-point chassis ground (M4 screws) |
Xiamen ZhiCheng Automation Technology Co., Ltd is a leading global supplier of control system components. We specialize in control systems and drives.
More about us, you can view our official website: www.zcsensors.com
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With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts which make sure that all this jobs are perfectly.
We are major in PLC, Sensors, HIM, Transmitters.
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