Elster energy Meter Data Acquisition As1350 model using optical port

@tshibsamuel477

Hi there, I have carefully reviewed your requirements for reading real-time energy consumption data from Elster A1350 and Ace3500 meters through a Renesas-based RTU over a wired interface. My background in embedded systems, industrial communication, microcontrollers, protocol integration, UART/RS-485 interfaces, Modbus-style communication, and firmware development is well suited to this project. I have worked with the main technologies involved, including Renesas MCUs, serial communication, register-based protocols, data parsing, configurable polling, and structured output formats such as CSV and JSON. I can handle the complete software layer, including communication setup, protocol/frame implementation, live register polling, scaling and parsing, configurable polling intervals, and clean output for integration with your existing system. I will also provide the connection diagram, communication settings, register/frame documentation, and a concise README for deployment on a fresh RTU. Given that the meters and hardware are already available for bench testing, I can move quickly and focus directly on achieving reliable communication and repeatable live-data reads. Send me a message with the Renesas RTU model and any available Elster protocol documentation, and I can start immediately. Best regards, Samuel tshibangu

@hayteekeys

HI, KINDLY READ THROUGH MY PROPOSAL I will deliver a clean, reliable utility that reads live energy consumption from your Elster A1350 and Ace3500 meters via the Renesas RTU over the existing hard-wired link and outputs the data in a simple documented format. MY APPROACH ✅ Reliable wired communication with both Elster meters ✅ Live consumption registers only, configurable polling interval ✅ Clear output (CSV, JSON or XML) with documented fields and scaling ✅ Well-commented source code ready for the Renesas platform ✅ Connection notes, register/frame details and concise setup guide DELIVERABLES - Source code / script for the Renesas RTU - Connection diagram and configuration notes - README with build, deployment and sample reading steps QUESTIONS 1. Preferred output format (CSV, JSON or XML)? 2. Current serial settings (baud, parity) already in use? 3. Any existing protocol documentation or sample traffic available? Ready to start as soon as serial parameters and preferred output format are confirmed.

@bojans9

Hello, I'm a Senior Software Developer | AI & Cloud with 8+ years of experience working with C, Embedded Systems, and Firmware Development. I understand you need the Renesas RTU to poll live consumption registers from the A1350 and Ace3500 over the wired optical-port setup, then expose scaled readings as CSV, JSON or XML. The real challenge is identifying the exact Elster framing/register access and handling timing correctly. A common issue: wrong baud/parity or frame parsing can produce plausible but incorrect readings. My approach: first, inspect the RTU interface and meter protocol. Then, implement polling, parsing and configurable intervals. Finally, validate live values and document frames, registers and scaling. I've worked with C and embedded communication workflows, so I watch for byte framing and unit-scaling errors. A few questions to better understand the scope: Q1 - Do you have the A1350/Ace3500 protocol or register documentation? That can shorten reverse-engineering work. Q2 - Should polling run as a native Renesas task? I'd keep it lightweight with configurable timing. Q3 - Are both meters using the same optical interface settings? This determines whether one driver can serve both. Happy to go over the details here in chat and suggest the best approach. Looking forward to hearing from you.

@alluankit01

Hi, I can develop the data-acquisition software for Elster A1350 and ACE3500 meters using the Renesas RTU, including the required optical/serial protocol handling, live register parsing, and configurable polling. I can handle: • Renesas C firmware / communication layer • Optical/serial meter interface integration • Protocol frame generation and response parsing • Live energy/consumption value extraction • Configurable polling interval • CRC/checksum and timeout handling • Retry/reconnection logic • Correct scaling and engineering units • CSV or JSON output • Register/frame map documentation • Baud rate, parity, addressing, and wiring notes • Clean, commented source code • Compilation/deployment README I’ll first review the exact Renesas MCU/RTU model, meter communication documentation, optical interface details, and required live parameters. I can then implement the protocol driver and provide diagnostic logging so communication can be verified easily during bench testing. I’m comfortable with embedded C, UART/serial communication, industrial meter protocols, binary frame parsing, and Renesas-based firmware development. I can start immediately once you share the RTU details, available Elster protocol/register documentation, and the exact values you need to read. Best regards Ankit

@Badhan685

Hi, I can develop the software layer to communicate with your Elster A1350 and Ace3500 meters through the Renesas RTU, including the required low-level serial/protocol handling and parsing of live consumption registers. I’ll make the polling interval configurable, output the readings in CSV or JSON with documented units/scaling, and provide clean, well-commented source code. I’ll also document the communication parameters, register/frame structure, connection setup, and deployment process, along with a concise README and sample reading workflow. I’m ready to review the Renesas board and meter communication details and start testing on your bench setup. Best regards, Md Shamim

@mikes126

I’d first verify the physical interface and communication parameters for the Elster A1350 and Ace3500, then implement the lowest-level communication layer required by the actual meter protocol (Modbus or the relevant Elster framing). The implementation would cover: Wired RTU ↔ A1350 and Ace3500 communication Live consumption register polling only Configurable polling interval Register/frame parsing with correct scaling and units CSV, JSON, or simple stream output Communication/error handling and reconnect logic Clearly documented register map / frame structure Clean, commented C/embedded source suitable for the Renesas platform Connection and configuration notes Compilation, deployment and testing README

@samnangy4

Hello, I can help build the RTU-side utility to read live energy values from the Elster A1350 and Ace3500 and expose them in a clean CSV or JSON format. I can handle: • Serial/wired communication setup on the Renesas RTU • Configurable polling interval • Parsing live consumption values and applying correct unit scaling • Modbus RTU handling if supported by the meters • Proprietary frame implementation if protocol documentation is available • Clean, commented source code • Connection/configuration notes covering baud rate, parity, addressing, and framing • Register/frame mapping documentation • README with build, deployment, and sample output instructions My background is primarily in Python, backend systems, APIs, and data processing, so I don’t want to claim prior Elster/Renesas-specific projects I haven’t completed. However, I can work from the A1350/Ace3500 protocol documentation, Renesas board details, and bench-test access to implement and verify the communication layer systematically. I’d first confirm the exact physical interface and protocol for each meter, then build and test one meter before extending the same framework to the second. Thank you.

@anuragverma02530

Drawing from my extensive experience in designing and developing IoT devices and sensor-based systems, I am confident that I am the perfect fit for carrying out this project successfully. With 5.5+ years in R&D executing similar projects, including smart metering solutions, NFC and pulse data loggers, and wireless communication solutions, I bring a deep understanding of the requirements of this task. I am well-versed with Renesas platforms as well as Elster protocols, having dealt with them extensively in my past projects. This would prove to be a distinct advantage for your project as not only do I have significant experience working with Renesas microcontrollers but also with various aspects of Elster models including optical port communication and Modbus. Additionally, I understand the importance of flexibility in meter reading intervals hence I commit to designing the utility such that you can easily configure it according to your requirements. Furthermore, at the conclusion of this project you can expect comprehensive documentation. This will include clean and well-commented source code along with a concise guide for utilizing the utility and scaling up if necessary in future. Rest assured of top-notch quality in craftsmanship delivered on time and within budget. Your satisfaction is my utmost priority!

@nakabirik

Hi, Muheebwa here, from the United Arab Emirates. Thank you very much for your chance. I have read your project description carefully. I'm a Web, AI & Android developer with over 8 years of experience working with C, Embedded Systems and Firmware Development. I understand you need a small utility on your Renesas RTU that talks to the Elster A1350 and Ace3500 over the optical port, reads live consumption registers, and outputs CSV, JSON or XML with documented field scaling. The real challenge is the optical port protocol: the A1350 and Ace3500 use different framing, and the A1350 optical interface is not plain Modbus, so the polling layer must be protocol-specific per meter. A common issue: the optical head polarity and baud rate get set wrong, and reads return silent timeouts instead of errors. My approach: first, confirm the physical link, baud rate, parity and the exact register map for each meter model. Then, write the polling utility in C on the Renesas board with a configurable interval and clean error handling. Finally, test both meters on your bench, document the register map, and hand over source, connection diagram and README. I've worked with C and Embedded Systems on meter and device work like this, so I watch for framing mismatches that only show up on the second meter. If this approach works for you, I’d be happy to proceed with the update. Best regards , Muheebwa

@virtanen878

Hi. I have practical experience developing embedded firmware for industrial devices using RS-232/RS-485 communication, including packet parsing, state-machine processing, configurable timeouts, command handling, and communication recovery. I have also worked with ESP32/STM32 systems involving sensor data acquisition and structured JSON output, which aligns well with integrating meter readings into a reliable RTU data pipeline. The core requirement is reliable communication between the Renesas RTU and the A1350/Ace3500 meters, reading the required live consumption registers and exposing properly scaled values. I would implement the appropriate optical/wired protocol layer, configurable polling, register/frame parsing, validation, and CSV/JSON output, while documenting the communication parameters and register mapping for future expansion. I can execute this efficiently and provide clean, maintainable source code, connection/configuration details, and a concise deployment README. I am ready to begin immediately once you provide the Renesas board, meter communication details, and available protocol documentation, and I can work through bench testing to deliver a dependable solution. Best regards.

@ridwaan6254

Developing a lightweight, reliable data acquisition utility for your Elster A1350 and Ace3500 meters starts with analyzing their serial optical and electrical interface protocols to ensure seamless communication with your Renesas RTU. I will write modular, well-commented C firmware configured for your Renesas microcontroller environment, targeting the specific register addresses for live consumption metrics while bypassing historical storage. The utility will feature a user-configurable polling interval to optimize bus traffic, parsing incoming telegrams into cleanly structured JSON output complete with exact field definitions and engineering unit scaling. At our midway review checkpoint, I will provide the core communication driver alongside a register map and connection diagram specifying baud rates, parity, and wiring pinouts so you can run preliminary read tests directly on your bench hardware. Once verified against your physical meters, I will complete the full integration, delivering production-ready source code, a build Makefile, and a comprehensive README walking through compilation, flashing, and testing on a fresh RTU. We will proceed under a 50% first milestone tied to the successful midway register test, completing the entire project within your 7-day timeline. Ridwaan M.

@deorerohan2612

I have 15 years of C++ and C development experience across CAD, metrology, and industrial communication software. I can implement the Renesas RTU communication layer for the Elster A1350 and Ace3500, including reliable wired transport, register reads, framing, timeouts, and diagnostic handling. I am comfortable working from a register map or protocol specification and documenting field meanings, units, and scaling. I will deliver clean source for the Renesas platform, a configuration/connection note, and a concise README with a reproducible live-reading example in CSV, JSON, or XML as requested.

@jialiny4

Your scope is a classic acquisition job: a small Windows utility reading the live consumption registers from the Elster A1350 and Ace3500 through your Renesas RTU over the hard-wired link, handing values off as CSV/JSON/XML with a documented register map. Two unknowns decide it: the physical layer (RS-232 / RS-485 / optical) and whether the meters answer standard Modbus or Elster framing. That is where these jobs stall, so I do not guess. Approach: self-contained Windows tool in C#/.NET; configurable polling; register map in a config file, so adding meters later is a data change rather than a code change; CSV/JSON/XML export with documented unit scaling. Commented source plus a README covering build, deploy and a sample live pull. Milestones: 1) bench link-up, frame capture, protocol note - 2 days. 2) acquisition, parsing, polling, exports - 3 days. 3) register map, README, hand-over - 2 days. Price: INR 37,500 fixed, source included, 30 days defect support. About me: 21 years of Windows client development, much of it industrial data acquisition - serial RS-232/RS-485, Modbus, meter polling, SQLite logging, Excel reporting. Most recently a factory shop-floor reporting system that replaced three paper ledgers: 10 days to deliver, 8 months running, zero maintenance. I have not worked with Elster's framing before and will say so plainly; register maps are daily work for me, and with your protocol docs I can close that in milestone 1. I work solo, requirements to delivery.