1.Product Overview​

The ​Allen-Bradley 1756-A7/B ControlLogix® Chassis​ provides a rugged modular foundation for mission-critical automation systems. Designed to house ControlLogix processors, I/O modules, and communication interfaces, this ​7-slot chassis​ features heavy-gauge steel construction with zinc-nickel plating for corrosion resistance in harsh environments. With integrated cooling fins and vibration-dampening mounts, it operates reliably from ​​-40°C to +70°C​ while meeting ​NEMA 4X/IP66​ standards for protection against dust, oils, and moisture. The PCIe-based backplane enables 40 Gbps data transfer speeds, supporting deterministic control and redundant power configurations (up to two 1756-Px power supplies). Tool-less module clamps facilitate rapid deployment and maintenance in industrial settings.

​2.Critical Technical Specifications​

​Engineering excellence parameters:

• ​Slot Capacity: 7 slots (1 processor + 6 modules)
• ​Backplane Bandwidth: ​40 Gbps​ with deterministic latency
• ​Power Distribution: Dual-redundant 24V DC inputs (5A max/slot)
• ​Isolation: 1,500V AC between adjacent slots
• ​Thermal Management: Natural convection (0.4°C/W)
• ​Mechanical Resilience:
  • Vibration: ​5g @ 5–150Hz​ (IEC 60068-2-6)
  • Shock: ​30g @ 11ms​ (IEC 60068-2-27)
• ​Dimensions: 305 × 135 × 118 mm (H×W×D)
• ​Weight: 4.6 kg
• ​Certifications: ATEX II 3G Ex ec IIC T80°C Gc, SIL 3 (IEC 61508), DNV-GL Marine

3.​Targeted Applications​

​High-reliability industrial deployments:

• ​Offshore Oil Platforms: SIL 3 safety systems in API 14F Zone 1 hazardous areas
• ​Automotive Manufacturing: Robotic assembly lines requiring synchronized motion control
• ​Power Generation: Turbine control cabinets with seismic resilience requirements
• ​Pharmaceutical: FDA 21 CFR Part 11-compliant bioreactor control
• ​Water Treatment: Flood-resistant pump control stations
• ​Mining Operations: Conveyor control systems in MSHA-regulated environments
• ​Marine Applications: DNV-GL-certified engine room automation

4.​Competitive Advantages​

​Operational differentiators:

• ​Hot-Swap Capability: Live insertion/replacement of modules without system shutdown
• ​Extreme Environment Resilience:
  • ​​-40°C cold-start​ capability
  • 95% humidity tolerance (IEC 60721-3-7)
• ​Corrosion Defense: 1,000-hour salt spray resistance (ASTM B117)
• ​Space Efficiency: 35% denser packaging than competitive 7-slot chassis
• ​Safety Integration: Dedicated grounding lugs for IEC 61800-5-2 STO circuits
• ​Lifecycle Economy: 15-year service life with FRAM-backed configuration storage
• ​Backward Compatibility: Supports legacy Series A modules
• ​Security Features: Tamper-evident slot covers with intrusion detection logging

5.​Functional Capabilities​

​Advanced system management:

• ​Redundant Power Control: Auto-load balancing for N+1 PSU configurations
• ​Dynamic Slot Allocation: Electronic keying prevents incompatible hardware insertion
• ​Predictive Maintenance: Slot-level thermal sensors (±1°C accuracy)
• ​Vibration Compensation: Energy-absorbing mounts mitigate 15g shock impacts
• ​Secure Firmware Validation: Hardware-based TPM 2.0 secure boot
• ​Ground Monitoring: Dual 8 AWG chassis ground terminals
• ​Event Logging: Stores 500+ system events with μs timestamps
• ​Studio 5000® Integration: Real-time health monitoring via Controller Tags

​

Packaging & Shipping

Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
more about us , u can view our official web:http://www.zcsensors.com/follow us :

1)https://www.facebook.com/Sensors-and-transmitters-1883785301860678/?ref=aymt_homepage_panel&boosted_auto_open=BOOSTED_PAGELIKE

2)https://www.linkedin.com/in/z-csensorcenter/detail/recent-activity/shares/

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.

Best Supply Brands As Following:1)Bently nevada.2)+GF+.3)Rosemount.4)ABB.5)Allen-Bradley.6)Foxobro.Good working environment, perfect team, sincere cooperation →→ Achieve u and our success !!!