How to Upgrade Allen Bradley CompactLogix L35E Firmware | RSLogix 5000 & ControlFlash Guide #AB

Are you facing a Firmware Revision mismatch or an Update Error on your Allen Bradley hardware? In this professional automation tutorial, MEGA HZ AUTOMATION demonstrates the complete procedure for an Allen Bradley CompactLogix L35E Firmware Upgrade. We cover everything from setting up your communication path in RSLinx Classic to executing the flash update using ControlFlash. [Technical Specifications Covered] Controller: 1769-L35E CompactLogix Software used: RSLinx Classic, ControlFlash, RSLogix 5000 / Studio 5000 Process: Firmware Revision Upgrade (e.g., v17 to v20) Connection: EtherNet/IP and Serial DF1 Path configuration [Key Learning Points] Identifying current Firmware Revision and Serial Numbers. Selecting the correct Firmware Kit from the Rockwell Compatibility Center. Resolving "Transmitting Update" stuck or failed errors. Final verification of the PLC Run Mode after the flash. [Industrial Support & Services] For professional PLC programming, industrial troubleshooting, or system integration: 📞 WhatsApp: +92 3098196324 🏢 Expertise: MEGA HZ AUTOMATION [Disclaimer] Firmware flashing carries risks. Ensure a stable power supply and communication cable before starting. This video is for educational purposes for trained technicians. #AllenBradley #CompactLogix #FirmwareUpgrade #RockwellAutomation #PLC #1769L35E #ControlFlash #AutomationEngineering #MegaHzAutomation Hello! My name is Usman Munir**, and I am an **Industrial Automation Engineer from **Faisalabad, Punjab, Pakistan**. I am the founder of **Mega Hz Automation**, a platform dedicated to sharing practical knowledge about: 🔧 PLC Programming 🔧 HMI & SCADA Development 🔧 Industrial Electronics & Control Systems 🔧 Automation Troubleshooting & Support I have hands-on experience in the field of **automation, PLC development, and industrial machine programming**. My mission is to help beginners and professionals learn automation in an **easy and practical way**. --- Why Mega Hz Automation? Real-world industrial tutorials Practical solutions for PLC & HMI problems Free knowledge sharing for the automation community Focused on Pakistani and international automation learners --- Let’s Connect: 📧 Email: [email protected] 📱 WhatsApp:+92 3098196324 --- Thank you for visiting Mega Hz Automation. Keep learning, keep growing! Allah Hafiz.