Product details
Allen-Bradley 1756-L72 ControlLogix PAC: Advanced 4MB Memory Controller for Heavy-Duty Automation
Download full specifications: Get 1756-L72 Technical Manual (PDF)
Technical Specifications
- Brand: Allen-Bradley (Rockwell Automation)
- Model: 1756-L72 ControlLogix
- Memory: 4MB user + 0.98MB I/O
- SD Card: 1GB included (upgradeable to 2GB)
- Temperature Range: 0°C to 60°C operating (-40°C to 85°C storage)
- Durability:
- 30G operating shock resistance
- 50G non-operating shock rating
- 2G vibration resistance (10-500Hz)
- Power Usage: 2.5W / 8.5 BTU per hour
- Isolation: 30V continuous (500V AC tested)
- Weight: 0.25kg (single-slot design)
Easy Installation
- Fits all 1756 chassis (A4 to A17K series)
- Tool-free mounting in standard racks
- Hot-swappable module replacement
- USB 2.0 port for quick programming
Connectivity & Networks
- USB 2.0 port (12 Mbps) for direct access
- Supports EtherNet/IP, ControlNet, DeviceNet
- Works with Data Highway Plus & Remote I/O
- OPC UA compliant for easy integration
Package & Support
- Includes: Controller, 1GB SD card, documentation
- 12-month warranty – Defect coverage
- Global shipping: FedEx, UPS, DHL options
Expert FAQ
- Q: What SD cards are compatible?
A: Use only Rockwell 1784-SD1/SD2 cards for reliability - Q: Does it support controller redundancy?
A: Yes – when paired with identical controller - Q: What’s the operating humidity range?
A: 5-95% non-condensing humidity - Q: Can I upgrade the memory?
A: Yes – via Flash utility tool - Q: Is battery backup required?
A: No – capacitor modules provide energy storage
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