Allen-Bradley 1769-L35E CompactLogix Controller | 1.5MB
Introduction:
Original Allen-Bradley 1769-L35E CompactLogix controller. 1.5MB memory with built-in Ethernet and RS232 ports. Supports 30 local I/O modules.
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Allen-Bradley 1769-L35E CompactLogix Controller with Embedded Memory
The Allen-Bradley 1769-L35E is a powerful CompactLogix controller. It belongs to the renowned 1769 product family. This controller features 1.5 MB of embedded user memory. It includes one (1) Ethernet port and one (1) RS232 serial port. The 1769-L35E is ideal for medium-sized control applications in factory and process automation.
Technical Specifications of the 1769-L35E Controller
This Allen-Bradley 1769-L35E controller delivers robust processing and communication capabilities. Its compact design saves valuable panel space.
User Memory: 1.5 MB.
Communication Ports: One (1) Ethernet/IP and one (1) RS232 serial.
Supported Protocols: EtherNet/IP, DF1, DH485, and ASCII.
Maximum Local I/O Modules: Thirty (30) modules.
Maximum I/O Banks: Three (3) expansion banks.
Power Supply Distance Rating: 4 modules.
Backplane Current Draw (5V DC): 660 mA.
Current Draw (24V DC): 90 mA.
Heat Dissipation: 5.5 W.
Maximum Insulation Voltage: 30 Volts.
Ethernet Speed: 10/100 Mbps with auto-negotiation.
Max Ethernet Cable Length: 100 meters using Cat5 or Cat6 cable.
Serial Cable: Requires 1747-CP3 or 1756-CP3 cable.
Max Serial Cable Length: 15.2 meters.
Battery: 1769-BA lithium battery (replaceable).
Non-Volatile Memory: Compatible with 1784-CF128 compact flash card.
Programming Software: Studio 5000 Logix Designer (rev 21.00 and later).
Supported Languages: Ladder, Function Block, Structured Text, and SFC.
Maximum Tasks: 8 tasks.
Maximum CIP Connections: 32 connections over Ethernet/IP.
Requested Packet Interval (RPI): 2 to 32 milliseconds.
Dimensions (H x W x D): 4.65 x 1.38 x 3.43 inches (118 x 35 x 87 mm).
Product Weight: 0.66 lb (0.30 kg).
Environmental and Installation Specifications
The Allen-Bradley 1769-L35E operates reliably in demanding industrial environments. Follow these guidelines for optimal performance.
Operating Temperature: 0°C to 60°C (32°F to 140°F).
Storage Temperature: -40°C to 85°C (-40°F to 185°F).
Relative Humidity: 0% to 95% non-condensing.
Vibration (Operating): 5G at 10 to 500 Hz.
Operational Shock (DIN Rail Mount): 20G.
Operational Shock (Panel Mount): 30G.
Mounting Options: DIN rail or panel mounting.
Mounting Torque: 1.1 to 1.8 N-m.
Wire Size (Solid): 22 to 14 AWG.
Wire Size (Stranded): 22 to 16 AWG.
Enclosure Type: Open style.
Emissions Certification: CISPA11 Class 1, Group 1.
Communication and Integration Features
The Allen-Bradley 1769-L35E offers flexible connectivity for modern automation systems. Use the embedded Ethernet port for high-speed networking. You can configure Ethernet using RSNetworx for Ethernet or BOOTP-DHCP. The rotary switch provides simple IP address setting. The RS232 port supports DF1, DH485, and ASCII protocols. This allows connection to older serial devices. The 1769-L35E controller supports up to 100 total connections. However, it only supports 32 CIP connections over Ethernet/IP. The actual number of end-node connections depends on your RPI settings.
Programming and Compliance
This controller follows the IEC-61131-3 standard for PLC programming. You can mix different programming languages within the same project. Use ladder logic for discrete control. Use function blocks for process loops. The Allen-Bradley 1769-L35E supports up to 8 simultaneous tasks. This provides excellent flexibility for complex machine control. For controller revisions 21.00 and later, you must use Studio 5000 Logix Designer software.
Packing List
One Allen-Bradley 1769-L35E CompactLogix controller.
One 1769-BA lithium battery (installed).
One basic installation instruction sheet.
*Note: Programming cables (1747-CP3 or 1756-CP3) and non-volatile memory card (1784-CF128) are sold separately.*
Frequently Asked Questions (FAQ)
1. Is the 1769-L35E controller obsolete or discontinued?
Yes, this is an end-of-life product from Rockwell Automation. However, we continue to sell the 1769-L35E as a reliable used or new surplus unit.
2. How many I/O modules can I connect to the 1769-L35E?
This controller supports up to thirty (30) local I/O modules. You can arrange them across up to three (3) expansion banks.
3. What programming cable does the RS232 port require?
The RS232 port on the Allen-Bradley 1769-L35E requires a 1747-CP3 or 1756-CP3 serial cable. You can also fabricate a cable using a standard 9-pin DB9 connector.
4. Can I use a CompactFlash card with this controller?
Yes, the 1769-L35E is compatible with the 1784-CF128 non-volatile memory module. This card stores your program and data.
5. What is the maximum Ethernet cable length for this controller?
You can use standard Cat5 or Cat6 Ethernet cable up to 100 meters (328 feet) long with the Allen-Bradley 1769-L35E.