Oleksandr Khomenko’s Post

𝗥𝗦𝟰𝟴𝟱 – 𝗜𝘀 𝗶𝘁 𝗮 𝗣𝗿𝗼𝘁𝗼𝗰𝗼𝗹 𝗼𝗿 𝗣𝗵𝘆𝘀𝗶𝗰𝗮𝗹 𝗠𝗲𝗱𝗶𝗮? When working with automation systems, you’ll often come across the term 𝗥𝗦𝟰𝟴𝟱. But many wonder:  𝘐𝘴 𝘙𝘚485 𝘢 𝘱𝘳𝘰𝘵𝘰𝘤𝘰𝘭 𝘭𝘪𝘬𝘦 𝘔𝘰𝘥𝘣𝘶𝘴 𝘰𝘳 𝘪𝘴 𝘪𝘵 𝘫𝘶𝘴𝘵 𝘢 𝘱𝘩𝘺𝘴𝘪𝘤𝘢𝘭 𝘮𝘦𝘥𝘪𝘶𝘮? Let’s clear the confusion 👇 📌 𝗪𝗵𝗮𝘁 𝗶𝘀 𝗥𝗦𝟰𝟴𝟱? RS485 is an 𝗲𝗹𝗲𝗰𝘁𝗿𝗶𝗰𝗮𝗹 𝘀𝘁𝗮𝗻𝗱𝗮𝗿𝗱 (𝗘𝗜𝗔/𝗧𝗜𝗔-𝟰𝟴𝟱) that defines how devices communicate over twisted-pair wires. ✅ Specifies 𝘃𝗼𝗹𝘁𝗮𝗴𝗲 𝗹𝗲𝘃𝗲𝗹𝘀, wiring scheme & transmission method ✅ Uses 𝗱𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝘁𝗶𝗮𝗹 𝘀𝗶𝗴𝗻𝗮𝗹𝗶𝗻𝗴 → highly noise-resistant ✅ Supports 𝗺𝘂𝗹𝘁𝗶-𝗱𝗿𝗼𝗽 𝗻𝗲𝘁𝘄𝗼𝗿𝗸𝘀 (up to 32 devices) ✅ Enables 𝗹𝗼𝗻𝗴-𝗱𝗶𝘀𝘁𝗮𝗻𝗰𝗲 𝗰𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 (up to 1200m) 👉 So, 𝗥𝗦𝟰𝟴𝟱 𝗶𝘀 𝗻𝗼𝘁 𝗮 𝗽𝗿𝗼𝘁𝗼𝗰𝗼𝗹. It’s a 𝗽𝗵𝘆𝘀𝗶𝗰𝗮𝗹 𝗹𝗮𝘆𝗲𝗿 𝘀𝘁𝗮𝗻𝗱𝗮𝗿𝗱 that defines how bits are transmitted. 📌 𝗧𝗵𝗲𝗻 𝗪𝗵𝗮𝘁 𝗔𝗯𝗼𝘂𝘁 𝗣𝗿𝗼𝘁𝗼𝗰𝗼𝗹𝘀? Protocols define 𝘩𝘰𝘸 𝘥𝘢𝘵𝘢 𝘪𝘴 𝘴𝘵𝘳𝘶𝘤𝘵𝘶𝘳𝘦𝘥 𝘢𝘯𝘥 𝘶𝘯𝘥𝘦𝘳𝘴𝘵𝘰𝘰𝘥. RS485 just provides the 𝗵𝗶𝗴𝗵𝘄𝗮𝘆. Examples of protocols running on RS485: • 𝗠𝗼𝗱𝗯𝘂𝘀 𝗥𝗧𝗨 (Widely used in industrial automation) • 𝗕𝗔𝗖𝗻𝗲𝘁 𝗠𝗦/𝗧𝗣 (Designed for building automation) • 𝗣𝗿𝗼𝗳𝗶𝗯𝘂𝘀 𝗗𝗣 (Developed by Siemens) • 𝗗𝗠𝗫𝟱𝟭𝟮 (Used in Stage Lighting) • 𝗛𝗔𝗥𝗧 (Used in Smart Instrumentation) 📌 𝗔𝗻𝗮𝗹𝗼𝗴𝘆 • RS485 = the 𝗿𝗼𝗮𝗱 🚗 • Protocol = the 𝗿𝘂𝗹𝗲𝘀 & 𝘁𝗿𝗮𝗳𝗳𝗶𝗰 𝘀𝗶𝗴𝗻𝘀 🚦 RS485 (road) ensures the vehicles (bits) travel smoothly, while the protocol (rules) ensures devices (drivers) follow the same rules. 📌 𝗖𝗼𝗻𝗰𝗹𝘂𝘀𝗶𝗼𝗻 RS485 = 𝗣𝗵𝘆𝘀𝗶𝗰𝗮𝗹 𝗠𝗲𝗱𝗶𝘂𝗺 (𝗘𝗹𝗲𝗰𝘁𝗿𝗶𝗰𝗮𝗹 𝗦𝘁𝗮𝗻𝗱𝗮𝗿𝗱) Protocols (like Modbus RTU) = 𝗥𝘂𝗹𝗲𝘀 𝗳𝗼𝗿 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 👉 𝗥𝗦𝟰𝟴𝟱 𝗶𝘀 𝗻𝗼𝘁 𝗮 𝗽𝗿𝗼𝘁𝗼𝗰𝗼𝗹 – 𝗶𝘁’𝘀 𝘁𝗵𝗲 𝗽𝗵𝘆𝘀𝗶𝗰𝗮𝗹 𝗹𝗮𝘆𝗲𝗿. #RS485 #Modbus #IndustrialAutomation #BuildingAutomation #IIoT #Protocols #Engineering #Automation #ControlSystems #Networking #BACnet

🔌 RS-232 vs RS-485: What’s the Difference? Both RS-232 and RS-485 are standards for serial communication, but they’re designed for very different use cases. RS-232 📏 Distance: Up to ~15 meters (50 feet) reliably 👥 Topology: Point-to-point (one transmitter, one receiver) ⚡ Signaling: Single-ended (voltage referenced to ground) 📡 Common Use: PC serial ports, modems, simple device connections RS-485 📏 Distance: Up to ~1,200 meters (4,000 feet) 👥 Topology: Multi-drop (up to 32+ devices on one bus) ⚡ Signaling: Differential (balanced pair, noise-resistant) 📡 Common Use: Industrial automation, Modbus, building control systems 👉 In short: Use RS-232 for short, simple, one-to-one device connections. Use RS-485 when you need long distance, multiple devices, and reliability in noisy environments. #communication #Instrumentation #Industrialautomation #Modbus

Seamless Connectivity with Litronic-FMS P-78! 😁 The Litronic-FMS by Liebherr is engineered for high-performance moisture measurement with robust digital integration. Designed for industrial environments, it offers: Digital Data Transmission via RS485 (EIA485) for interference-free communication 🔗 Support for Profinet and Profibus DP, enabling smooth integration into existing automation systems 🌐 Analog Outputs (0–10 V or 0/4–20 mA, 12-bit) for flexible signal handling 📊 Modular Expansion: Connect up to 16 sensors across a bus system with cable lengths up to 1,200 meters 🧠 PC Software Interface for calibration, visualization, and parameterization💻 Ethernet Connectivity and optional WLAN access point for remote monitoring and control 🖥️ DIN Rail Mounting for easy installation of electronic components 🔌 Whether you're managing batch or continuous processes, Litronic-FMS ensures reliable data flow and integration across your operations. #moisture #planar #sensor

Isolated signal converter for frequency signals... FEMA I4F never has been so easy to configure an instrument. You have fast codes to do it in 6 seconds. And if your configuration is not in the codes, you can go to fully configurate through the menu. Easy and fast. So you will have more time to take a coffee with your colleagues and speak about automation.

Leadshine EL8 Series High-End AC Servo Drive: Redefining Precision Control!** 🔥Breakthrough performance for advanced manufacturing! ✅EL8 Series AC Servo Drives are our latest high end servo drives which are packed with a whole lot more new hardware and software features.  ✅This series of servo drive also comes with another version which combines analogue control, Modbus RTU protocol(RS485) and pulse + direction control into one.  ✅We added STO SIL3, analogue I/Os, holding brake port and EL8 series now supports a 2nd external encoder as well with our full closed loop control. #ACServoDrive #STOSIL3 #EL8 #Closedloopcontrol #Leadshine https://lnkd.in/gZev-gjH

⚡ Looking for a high-performance drive that brings flexibility and reliability to your applications? The LD320 Series is designed for demanding industries, delivering powerful motor control and advanced functionality. ✨ Key features: 🛡️ Independent Cooling Duct – protects against dust & extends lifespan ⚙️ Advanced Motor Control – supports induction, PMSM, and servo motors 🌐 Flexible Communication – CANopen, EtherCAT, Profibus-DP, Modbus TCP & more 🤖 Built-in PLC Functions – multi-speed, timing, and logic control made easy From pumps and fans to automation and processing lines, the LD320 ensures efficient, precise, and reliable performance. #FrequencyConverter #MotorControl #Automation #IndustrialSolutions #LAEGElectric

🔌 Why 24VDC Is Not Always 24VDC? If you’ve worked in the field, you already know: the label says 24VDC, but reality often tells a different story. Those missing few volts can mean the difference between smooth operation and unexplained faults, trips, or failures. Here are the Top 10 Field-Proven Causes Behind 24VDC Failures (and how to spot them): 1️⃣ The Illusion of No-Load Measurements 👉 A multimeter might read 24V with no load, but once devices draw current, the real story shows up. 2️⃣ Voltage Drop on Long or Undersized Cables 👉 Even a few meters of cable can cost you critical voltage if not sized correctly. 3️⃣ Loose Terminals, Oxidation, and Bad Crimps 👉 Hidden resistance = hidden problems. 4️⃣ Shared Power Supply Problems – The Domino Effect 👉 One faulty device drags others down on the same supply. 5️⃣ High Inrush or Operating Current Devices 👉 Solenoids, relays, and motors can momentarily pull voltage down. 6️⃣ Analog vs. Digital Signal Sensitivities 👉 Some I/O can tolerate small drops; others fail instantly. 7️⃣ Testing the Right Way – Under Load Conditions 👉 Measure when equipment is running, not idle. 8️⃣ Junction Box Wiring: Project Checklist Essentials 👉 Neat wiring = fewer ghost issues later. 9️⃣ Advanced Tip: Simulate Load to Diagnose Drops 👉 A dummy resistor or test load reveals hidden weaknesses. 🔟 From Guesswork to Real Diagnostics 👉 Use tools like data loggers or oscilloscopes for real-time insight. ⚡ Takeaway: 24VDC is the lifeline of most industrial automation systems. Treating it as “just 24V” is a common mistake—field reliability depends on how well you manage and measure it. --- 📌 Want practical I&C tips like this? Find more here 👉 t.me/IandCwithBalen

A general Description About PLC: PLC Input: Inputs are signals coming into the PLC from external devices. They tell the PLC what is happening in the real world. Examples: Switches, Push Buttons, Sensors (proximity, pressure, temperature, limit switches, etc.) Types of input signals: Digital Input → ON/OFF (0 or 1) Analog Input → 0–10V, 4–20mA (for sensors like temperature, pressure, level) PLC Output: Outputs are signals from the PLC to external devices. They control real-world machines. Examples: Motors, Lamps, Solenoid Valves, Relays, Buzzers, Contactors Types of output signals: Digital Output → ON/OFF (turn a motor ON or OFF, switch a light ON/OFF) Analog Output → 0–10V, 4–20mA (speed control of a motor via VFD, temperature control, etc.) Example: Input: A push button is pressed. PLC: The program processes this signal. Output: A motor starts running

🚀𝗔𝗿𝗲 𝘆𝗼𝘂 𝗿𝗲𝗮𝗱𝘆 𝘁𝗼 𝗿𝗲𝘃𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝗶𝘇𝗲 𝘆𝗼𝘂𝗿 𝗱𝗶𝗴𝗶𝘁𝗮𝗹 𝗺𝗮𝗻𝘂𝗳𝗮𝗰𝘁𝘂𝗿𝗶𝗻𝗴 𝗽𝗿𝗼𝗰𝗲𝘀𝘀? Discover the power of the MX Controller! This innovative tool integrates motion, sequence, and network control into a single unit, enabling high-speed and high-precision operations that will enhance the evolution of your equipment. The initial lineup includes the standard model 'MXR300,' a high-performance model 'MXR500,' and a cost-performance model 'MXF100,' allowing you to tailor your MX Controller to meet your specific needs. Don’t miss out—watch this video to see how the MX Controller can transform your manufacturing process!👇 https://okt.to/duLhmV #AutomatingTheWorld #ProgrammableAutomationControllers #ProgrammableControllers #PLC #MXController

Engineered for industrial automation and serial communication systems, the NSIP884x is a robust quad-channel digital isolator that delivers 5000Vrms insulation, supports up to 150Mbps data rates, and offers integrated power conversion. With 3.3V to 5.5V input, it supports 100mA or 60mA load currents across configurations like 5V to 3.3V and 3.3V to 3.3V. Protection against overcurrent and overtemperature, high CMTI (150kV/μs), and <15ns propagation delay ensure stable, low-noise operation even in electrically noisy environments. Ideal for SPI, RS232, RS485, and general-purpose isolation needs where compact reliability is key. #DigitalIsolator #NSIP884x #SignalIsolation #IndustrialAutomation #RS232 #RS485 #DCtoDCIsolation #HighCMTI #QuadChannelIsolator #EmbeddedSystems #jped #jpegroup NOVOSENSE Microelectronics