Introduction
The Allen Bradley 1756-L84ES is part / the GuardLogix 5580 family, /fering an integrated platform for both standard and safety control tasks. With advanced memory and communication capabilities, this controller is designed for applications that require a combination / standard control and functional safety logic. It supports 20 MB / user memory and 6 MB / safety memory, as well as a high-speed 1 Gb Ethernet port. This makes the 1756-L84ES ideal for managing large automation systems that require both safety and control in one solution.
Product Parameters
| Parameter | Value | Notes / Comments |
|---|---|---|
| Standard (user) memory | 20 MB | For standard control logic. |
| Safety memory | 6 MB | For safety logic tasks. |
| Maximum digital I/O points | 128,000 | Upper bound for digital I/O. |
| Maximum analog I/O points | 4,000 | Upper bound for analog I/O. |
| Embedded Ethernet port | 1 Gb/s | For EtherNet/IP communication. |
| USB port | USB 2.0 (12 Mbps) | Programming/configuration only. |
| EtherNet/IP device limit | 250 nodes | Maximum devices connected via EtherNet/IP. |
| Current draw @1.2 V DC | ~5 mA | Typical draw at low voltage. |
| Current draw @5.1 V DC | ~1.20 A | Typical draw at standard logic voltage. |
| Power dissipation | ~6.2 W | Approximate at full load. |
| Operating temperature | 0°C to +60°C | Standard industrial ambient. |
| Storage temperature | –40°C to +85°C | For non-operating storage. |
| Relative humidity | Up to 95% non-condensing | Environmental rating. |
| Dimensions (H × W × D) | 145 mm × 140 mm × 35 mm | Approx. 5.7″ × 5.5″ × 1.4″. |
| Mounting | Compatible with 1756/ControlLogix chassis | Install in standard rack slot. |
Application Scenarios
The 1756-L84ES controller is ideal for scenarios such as:
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Safety-integrated machine control: Machines requiring both standard automation logic and certified safety logic (e.g., safety I/O, emergency stop processing, guard monitoring) can use one controller instead / separate 台s.
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Large I/O systems: With high I/O capacity (up to 128,000 digital, 4,000 analog) and support for many EtherNet/IP nodes, it suits large production lines, processing plants or distributed architectures.
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Networked automation & motion: With built-in 1 Gb Ethernet and support for EtherNet/IP, the controller supports high-speed motion and coordinated devices on the same network.
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Future-pro/ systems: The generous memory and device support provide headroom for system expansion, additional I/O modules, networked devices or more complex logic.
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Industrial environments with high requirements: Designed for robust operation in industrial control panels with standard ambient and electrical characteristics, suited for demanding plants or OEM machines.
Advantages (Key Strengths)
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Combined Standard + Safety Logic: Enables one controller to handle both standard control and safety tasks (via GuardLogix safety memory segment), simplifying architecture and reducing system complexity.
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High Memory & Capacity: 20 MB user memory and 6 MB safety memory provide strong capacity for large logic sets, data handling, and complex safety logic.
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High-Speed Ethernet: The embedded 1 Gb Ethernet port allows fast communication, large data throughput, and supports high device count (up to 250 EtherNet/IP nodes).
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Large I/O and Device サポート: With capability to manage up to 128,000 digital and 4,000 analog points, and a large number / networked devices, it suits large-scale automation.
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Integrated Motion サポート: サポートs integrated motion over EtherNet/IP, allowing motion axes to be managed from the same controller platform.
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Flexible Programming: サポートs typical automation languages (Ladder, ST, FBD, SFC) for standard tasks; safety tasks support Ladder only.
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Robust Industrial Design: Rated for standard industrial ambient, supports RIUP (removal/insertion under power) in suitable chassis, with conformal-coated variants available.
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Ecosystem Compatibility: Part / the Rockwell Automation ControlLogix / GuardLogix ecosystem, ensuring broad module compatibility, s/tware support, and long-term availability.
会社情報
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