Allen-Bradley 1769-L30 CompactLogix 5370 Controller Configured for controller task execution and EtherNet/IP communication in CompactLogix 5370 systems, the Allen-Bradley 1769-L30ER...
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Configured for controller task execution and EtherNet/IP communication in CompactLogix 5370 systems, the Allen-Bradley 1769-L30ER (1769-L30 Controller) provides direct processor control and data exchange functions. It supports 1 MB user memory, dual Ethernet ports, USB communication, and modular I/O expansion within the CompactLogix platform.
Hardware Specifications
Parameter
Specification
Model
1769-L30
Brand
Allen-Bradley
Origin
USA
Product Type
Controller
Product Line
CompactLogix
Series
CompactLogix 5370
Module Type
Processor Module
Weight
0.63 lb (0.28 kg)
Operating Temp
0 deg C to +60 deg C (+32 deg F to +140 deg F)
Power Consumption
Not specified by manufacturer
User Memory
256 Kbytes
Non-volatile Memory
1 GB via 1784-SD1 memory card
Communication Ports
1 USB port; 2 Ethernet ports
Ethernet Data Rate
10/100 Mbps
USB Data Rate
12 Mbps
Supported Protocols
EtherNet/IP, DH485, DF1, ASCII
Maximum I/O Modules Supported
16 modules
Compact I/O Module Capacity
8 modules
Maximum I/O Banks
3 banks
Controller Tasks
32 tasks
Programs per Task
100 programs
Supported Ethernet Topologies
Linear; Device Level Ring (DLR)
Integrated Motion Support
Supported by 1769-L30ERM and 1769-L30ERMK variants
Programming Cable
1747-CP3 / 1756-CP3
Replacement Terminal Block
1769-RTBN18
Battery
1747-BA
Wire Type
Copper, 90 deg C
Wire Size Solid
22-14 AWG
Wire Size Stranded
22-16 AWG
Vibration Rating
Operating: 10 to 500 Hz, 5G, 0.030 in peak-to-peak
Power Supply Distance Rating
4
EtherNet/IP Deterministic Network and I/O Scaling
The 1769-L30 CompactLogix controller integrates EtherNet/IP communication through dual Ethernet ports configured as an embedded switch. Therefore, the controller supports linear and Device Level Ring (DLR) network structures without requiring an external Ethernet switch.
The processor manages distributed I/O communication through the CompactLogix backplane architecture. In addition, the modular design supports I/O density scaling with up to 16 local I/O modules across three expansion banks.
The controller executes up to 32 tasks with 100 programs per task. Furthermore, the firmware architecture supports structured application execution, modular programming, and controller-level diagnostics.
Frequently Asked Questions
Q: Does the 1769-L30 support redundant Ethernet network configurations? A: Yes. The controller supports EtherNet/IP linear topology and Device Level Ring (DLR) topology through its dual Ethernet interfaces.
Q: How many Compact I/O modules can the 1769-L30 controller operate with? A: The controller supports up to 16 I/O modules according to the CompactLogix 5370 platform specification, with local expansion capability across three I/O banks.
Q: Does the 1769-L30 include non-volatile memory? A: Yes. The controller is supplied with a 1784-SD1 memory card providing 1 GB non-volatile storage capacity.
Field Installation Guidelines
Install the 1769-L30 controller on the CompactLogix chassis according to the manufacturer-defined module placement requirements. Verify that the power supply distance rating remains within the specified system limits before adding expansion modules.
Use copper wiring with appropriate temperature ratings for field connections. Separate Ethernet communication cables from high-voltage power conductors to reduce electrical interference.
Ground the system according to industrial control panel standards. Maintain proper cable shielding and grounding practices for communication wiring, especially in environments with motor drives or high electromagnetic noise sources.
Before commissioning, verify Ethernet topology configuration, controller firmware compatibility, I/O addressing, and communication parameters through the programming environment.
