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The Allen Bradley 1769-L36ERMS is a Compact GuardLogix 5370 L3 series safety and motion controller designed for industrial automation systems requiring integrated safety control, multi-axis motion, and high-speed Ethernet communication.
It belongs to the CompactLogix 1769 platform and is widely used in robotics, packaging machinery, automotive production lines, conveyor systems, and OEM machine automation.
This controller integrates standard logic control, safety logic (SIL 3), and CIP motion control in a single hardware platform, reducing the need for multiple controllers in a system.
The 1769-L36ERMS is considered a high-end legacy safety controller, still widely installed in existing production systems that require reliable safety-certified motion control.
| Item | Description |
|---|---|
| Brand | Industrial Automation Controller Manufacturer |
| Product Type | Safety Programmable Automation Controller (PAC) |
| Product Category | Compact GuardLogix Motion + Safety Controller |
| Main Function | Logic + Motion + Safety Control |
| Communication Protocol | Ethernet/IP |
| Application Fields | Robotics, Packaging, Automotive, Safety Systems |
| Mounting Type | DIN Rail Mount |
| Item | Description |
|---|---|
| Product Series | Compact GuardLogix 5370 L3 Series |
| Controller Family | GuardLogix / CompactLogix Hybrid Platform |
| Architecture Type | Integrated Safety + Motion Control System |
| Expansion System | 1769 Compact I/O Modules |
| Communication Architecture | Dual Ethernet/IP |
| Programming Software | Studio 5000 Logix Designer |
| Safety Standard | SIL 3 / PLe capable |
| Motion Technology | CIP Motion over Ethernet/IP |
| Application Level | Medium to High Industrial Automation |
| Parameter | Details |
|---|---|
| Model | 1769-L36ERMS |
| Controller Type | Compact GuardLogix Safety Motion Controller |
| Standard User Memory | 3 MB |
| Safety Memory | 1.5 MB safety memory |
| Nonvolatile Memory | 1 GB SD card (expandable up to 2 GB) |
| Digital I/O | Via 1769 Compact I/O modules |
| Analog I/O | Via 1769 Compact I/O modules |
| Communication Ports | 2 × Ethernet/IP, 1 × USB |
| Ethernet Nodes | Up to 48 nodes |
| Motion Capability | Up to 16-axis CIP Motion |
| Safety Capability | SIL 3 / PL e safety rated |
| I/O Modules Supported | Up to 30 modules |
| I/O Banks | Up to 3 banks |
| Controller Tasks | Up to 32 tasks |
| Programs per Task | Up to 100 programs |
| Programming Languages | Ladder, ST, FBD, SFC |
| Operating Voltage | 24V DC system power |
| Power Dissipation | ~4.5 W typical |
| Isolation Voltage | 30V continuous insulation |
| Mounting Type | DIN rail / panel mount |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5%–95% non-condensing |
| Dimensions | 118 mm × 55 mm × 105 mm |
| Weight kg | Approx. 0.57 kg |
| Communication Architecture | Dual Ethernet/IP |
| Motion Standard | CIP Motion |
| Safety Standard | SIL 3 / PL e |
| Certifications | CE, UL, CSA |
| Product Lifecycle | End of Life (announced discontinuation in 2026) |
The 1769-L36ERMS combines safety PLC, standard control, and motion control in one controller.
This reduces cabinet space and system complexity while maintaining SIL 3 safety compliance.
Supports up to 16-axis CIP Motion, enabling synchronized servo control for robotics and packaging systems.
It is suitable for high-speed coordinated motion applications.
Certified safety functions allow implementation of emergency stop, safety gate monitoring, and safe torque-off logic.
Safety and standard logic run independently for higher reliability.
Two Ethernet ports support Device Level Ring (DLR) and linear network topology.
This improves redundancy and communication stability in industrial networks.
Supports up to 30 I/O modules and multiple I/O banks, allowing flexible system expansion without controller replacement.
Used in multi-axis robotic arms, pick-and-place machines, and servo synchronization systems.
Applied in high-speed filling, sealing, labeling, and conveyor synchronization lines.
Used in welding systems, assembly stations, and automated inspection systems.
Used in machine safety applications such as emergency stop systems and safety interlocks.
Supports conveyor networks, sorting systems, and warehouse automation.
| Advantage | Description |
|---|---|
| Integrated Safety Control | Combines PLC + safety + motion |
| Multi-Axis Motion | Supports up to 16-axis CIP Motion |
| SIL 3 Certification | High-level industrial safety compliance |
| Dual Ethernet Ports | Network redundancy and stability |
| Modular Expansion | Supports up to 30 I/O modules |
| High Memory Capacity | 3 MB + 1.5 MB safety memory |
| Real-Time Control | Deterministic Ethernet/IP performance |
| Compact Design | Saves control cabinet space |
| Strong Scalability | Flexible system expansion |
| Industrial Reliability | Stable long-term operation |
| USB Maintenance Port | Easy commissioning and diagnostics |
| Proven Installed Base | Widely used in industry systems |
| Parameter | 1769-L36ERMS | 1769-L36ERM | 1769-L33ERM | 1769-L33ER | 1769-L30ERM |
|---|---|---|---|---|---|
| Series | GuardLogix 5370 L3 | CompactLogix L3 | CompactLogix L3 | CompactLogix L3 | CompactLogix L3 |
| Memory | 3 MB + 1.5 MB safety | 3 MB | 2 MB | 2 MB | 1 MB |
| Ethernet Ports | 2 | 2 | 2 | 2 | 2 |
| Motion Capability | 16-axis + safety | 16-axis | 8-axis | Limited | 4-axis |
| Safety Function | SIL 3 | No | No | No | No |
| Integrated I/O | No | No | No | No | No |
| Max I/O Modules | 30 | 30 | 16 | 16 | 16 |
| Dimensions | 118×55×105 mm | 118×55×105 mm | 118×55×105 mm | 118×55×105 mm | 118×55×105 mm |
| Weight kg | 0.57 kg | 0.50–2.0 kg | 0.65 kg | 0.65 kg | 0.65 kg |
| Application | Safety Motion Systems | Motion Systems | Motion Control | General Control | Entry Motion |
High-performance motion controller without safety layer.
Mid-range motion controller for general automation.
High-memory controller for logic-heavy applications.
Compact motion controller for smaller servo systems.
| Parameter | 1756-L81E | 5069-L350ERMS | 1734-AENTR | 1769-IF8 | 2080-LC50-48QWB |
|---|---|---|---|---|---|
| Type | ControlLogix CPU | CompactLogix Safety CPU | I/O Adapter | Analog Module | Micro PLC |
| Memory | 3 MB | 5 MB + safety | N/A | N/A | Embedded |
| Communication | Ethernet/IP | Ethernet/IP | Ethernet/IP | Backplane | Ethernet |
| Motion | Advanced | Integrated safety motion | None | None | Basic |
| Mounting | Chassis | DIN Rail | DIN Rail | DIN Rail | DIN Rail |
| Dimensions | 145×145×90 | 150×130×90 | 75×35×118 | 118×87×35 | 90×130×80 |
| Weight kg | 1.10 kg | 1.30 kg | 0.15 kg | 0.32 kg | 0.70 kg |
| Main Use | Large Systems | Safety Automation | Distributed I/O | Signal Processing | Small Machines |
The 1769-L36ERMS is a high-performance Compact GuardLogix safety motion controller designed for integrated automation systems requiring motion, logic, and SIL 3 safety in one platform.
Its key strengths are 16-axis CIP motion, dual Ethernet architecture, and integrated safety control, making it suitable for advanced robotics, packaging, and safety-critical industrial applications.