1769-L36ERMS Allen Bradley CompactLogix Motion Module
Manufacturer: Allen Bradley
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Part Number: 1769-L36ERMS
Condition：New with Original Package
Product Type: CPU Processors
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Allen Bradley 1769-L36ERMS CompactLogix 5370 L3 Controller
Configured for coordinated motion control and safety instrumentation within deterministic machine automation, the Allen Bradley 1769-L36ERMS (1769-L36ERMS Controller GuardLogix controller) provides direct physical/electrical execution. The module processes discrete inputs, commands distributed EtherNet/IP servo drives, and manages dual-channel safety isolation loops without secondary internal processing logic.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-L36ERMS |
| Brand | Allen Bradley / Rockwell Automation |
| Origin | USA |
| Weight | 0.57 kg (1.25 lbs) |
| Dimensions | 118 x 87 x 35 mm |
| Operating Temp | 0 to 60 deg C |
| Storage Temp | -40 to +85 deg C |
| User Memory | 3 MB Standard / 1.5 MB Safety |
| Non-Volatile Memory | 1 GB SD Card included (1784-SD1) |
| Power Consumption | 4.5 W power dissipation |
| Backplane Current Draw | 560 mA at 5 VDC |
| Communication Ports | 2 EtherNet/IP, 1 USB |
| Integrated Motion | Up to 16 axes over EtherNet/IP |
| Max Local I/O Modules | 30 Modules supported (16 local expansion modules) |
| Max EtherNet/IP Nodes | 40 Nodes |
| Isolation Voltage | 30 V continuous, basic insulation type |
| Vibration | 10-500 Hz, 5 g |
| Certifications | SIL 3, PL e, UL, CE, ATEX, IECEx |
Network Topology and Sync Capability
The 1769-L36ERMS controls high-density system configurations while regulating backplane bus communication velocity across 32 independent controller tasks. Dual integrated Ethernet interfaces operate on Profinet / EtherNet/IP deterministic networks, supporting Device Level Ring (DLR) topologies to maintain communication rings during media breaks. The embedded safety co-processor validates firmware flash compatibility during startup routines, ensuring execution synchronization for up to 1000 programs per task. This specialized architecture manages 256 logical CIP connections, shielding motion profiles from unexpected variable latencies.
Frequently Asked Questions
Q: How does the 1769-L36ERMS achieve SIL 3 certification within the CompactLogix hardware form factor?
A: The module contains a dual-core internal architecture consisting of a primary Logix processor and a functional safety co-processor. The unit performs continuous cross-checking of logic execution paths to enforce a fail-safe state if a hardware fault or memory corruption is detected.
Q: Can the 1769-L36ERMS support hot-swapping of local 1769 I/O modules during operation?
A: No. The 1769 backplane architecture does not permit Removal and Insertion Under Power (RIUP). You must completely de-energize the incoming system power supply before replacing any local expansion module to avoid backplane arc faults.
Q: What power supply hardware options are compatible with this processor?
A: The controller connects directly to standard 1769 power supply modules. The approved list includes the 1769-PA2, 1769-PB2, 1769-PA4, and 1769-PB4 units, depending on the backplane current requirements of the surrounding I/O layout.
Field Installation Guidelines
- Dedicated Ground Connection: Route a low-impedance copper grounding conductor from the functional earth terminal on the chassis power module directly to the central panel enclosure ground bus bar.
- Bus Lever Engagement: Verify that the adjacent I/O module bus levers are mechanically engaged and locked before applying line voltage to the power supply.
- Firmware Baseline Match: Flash the processor to the exact major and minor firmware revisions required by the master Studio 5000 project file prior to field loop testing.
- Environmental Vent Clearance: Maintain a minimum clearance of 50 mm (2 inches) on all sides of the assembly to permit adequate thermal dissipation via natural convection air currents.