Styrax PLC HVAC

$2-8 USD / hour

Closed

Posted 7 days ago

$2-8 USD / hour

Our factory’s HVAC automation runs on a Styrax Instruments PLC / controller network, and I’m ready to fine-tune it before full hand-over. The architecture is already in place, yet I still need focused help on the PLC/controller configuration so it operates flawlessly with our chiller loop and the rest of the HVAC plant. Key focus • Review the current Styrax program and hardware setup, then adjust parameters or logic that affect chiller control and feedback. • Verify every RS485 Modbus RTU link, confirm register maps, and make sure the PLC exchanges data cleanly with our BMS/SCADA front end. • Walk me through any code or register edits required to guarantee compatibility with the existing HVAC sequence of operation. • Remotely support start-up, testing, and commissioning; I’ll be on site with VPN and secure screen-sharing ready. Acceptance criteria 1. All chiller status, alarms, and set-points read/writable from the PLC and visible in SCADA without time-outs. 2. No CRC or framing errors on RS485 for 48 continuous hours. 3. Final controller logic documented and backed up in a version-controlled file sent to me in Styrax’s native format plus PDF printout. If you have hands-on experience with Styrax controllers, industrial HVAC, and Modbus diagnostics—and you can collaborate online across time zones—let’s get this system running perfectly.

Project ID: 40412340

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Active 3 days ago

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5 freelancers are bidding on average $11 USD/hour for this job

@stolzenterprises

The professional with 15 years of experience in Industrial Automation. ^^Development,Commissioning of PLC Control System, HMI and SCADA^^ ◾ PLC- Siemens [S7-1500F/H, S7-400, S7-400F/H/R, S7-300, S7-1200, S7-200, S5, TI PLC, LOGO!] Rockwell [(Allen Bradley)- SLC500,MicroLogix,CompactLogix.] Schneider [Zelio, M171/72] Automation Direct [DirectLogic Click PLC] Unitronic [V200-18-E3XB Controller] Delta [Delta DVP ES2] ◾HMI- Siemens ** Weintek ** Kinco ** Unitronics ** Hitachi ** Schneider ** Wecon ** DeepSeaElectronics ◾SCADA - WinCC ** In-Touch Wonderware ** Citect ** Ignition ◾VFD- Siemens, Rockwell-AB, ABB, Telemechanique, SEW and Danfoss. ◾ Industrial Networks- PPI-MPI ** Profibus ** AS-i ** Profinet ** Ethernet ** Modbus RTU/Modbus TCP ◾ OPC - PC Access ** OPC Scout ** OPCUA ** Metrikon ** Kepware ◾ Project Documentation- ISA88/95, GAMP, 21CFR Part11, VP, URS, FRS, DS, IQ, OQ, PQ, SOP. ◾ Programming Languages - C# ** VBA ** VB.net ** Javascript ◾ Arduino Uno ** RS485 ** Ethernet shield ** Data Logging ◾ Raspberry pi ** Raspi Camera ◾ Networking Devices - Siemens ** Teltonika **NO OFFSITE COMMUNICATIONS**

$5 USD in 40 days

5.0

(39 reviews)

5.8

@hayteekeys

HI, KINDLY READ THROUGH MY PROPOSAL I will deliver a fully tuned and verified Styrax Instruments PLC/controller configuration for your HVAC plant precise chiller loop control, rock-solid RS485 Modbus RTU communication with your BMS/SCADA, zero CRC/framing errors, and complete documentation ready for flawless handover and 48-hour stability test. MY APPROACH ✅ Phase 1: Remote review of current Styrax program, hardware I/O, register maps and chiller sequence; identify and correct any parameter/logic issues affecting chiller feedback and control. ✅ Phase 2: Full Modbus RTU link validation (register read/write, timing, error handling), code/register adjustments, and live commissioning support via VPN/screen-share. ✅ Provide final version-controlled project file, PDF printout and step-by-step walkthrough of all changes. RELEVANT PROJECTS • Styrax PLC HVAC retrofit for chiller + AHU plant (full Modbus RTU tuning with BMS/SCADA, chiller loop optimization, delivered on time) DELIVERABLES • Optimized Styrax project file (native format) with all chiller logic and Modbus registers • Verified register map and communication report • PDF documentation + change log • Remote commissioning support until acceptance criteria are met QUESTIONS 1. Can you share the current Styrax project file, register map and chiller sequence description now? 2. What is the exact Styrax controller model and firmware version? 3. When would you like to schedule the Phase 1 remote review?

$10 USD in 40 days

4.6

(24 reviews)

5.8

@hayat38402

Hi, how are you doing? I went through your project description and I can help you in your project. your project requirements perfectly match my expertise. We are a team of Electrical and Electronics engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries. We are providing our services in following areas:  Antenna Design (CST, HFSS)  Embedded C Programming.  VHDL/Verilog, Quartus/Vivado, LabVIEW/ Multisim/PSPICE/VLSI  MATLAB/SIMULINK  Network Simulator NS2/NS3  Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC, STM32 and ESP32.  IDEs like Keil MDK V5, ATmel studio and MPLab XC8.  PLCs / SCADA  PCB Designing Proteus, Eagle, KiCAD and Altium  IOT Technologies like Ethernet, GSM GPRS.  HTTP Restful APIs connection for IOT Communications. Also, we have good command over report writing, I can show you many samples of our previous reports. Kindly consider us for your project and text me so that we can further discuss specifically about your project's main goals and requirements.

$5 USD in 40 days

4.6

(43 reviews)

5.9

@Tecteamlab

je vous propose une méthodologie d'intervention 100% à distance, structurée pour garantir la performance de votre réseau de chillers tout en optimisant les coûts d'intervention. 1. Méthodologie de travail (Approche par étapes) Pour assurer une mise en service fluide, nous fonctionnerons par cycles d'audit et d'ajustement : Étape 1 : Audit et Diagnostic (Input Client) Vous me transmettez les photos haute résolution des installations (borniers PLC, câblage RS485, plaques signalétiques des chillers). Vous m'envoyez le code source actuel (format natif Styrax) et la table de registres Modbus actuelle. Étape 2 : Analyse et Correction J'analyse la logique de programmation et les paramètres de communication. Je prépare les correctifs (optimisation des boucles PID, correction des adresses Modbus, ajustement des temporisations). Étape 3 : Procédures de mise à jour Je vous fournis une procédure pas à pas pour chaque modification à effectuer. Nous programmons une session de prise en main à distance (VPN) pour injecter les modifications et surveiller les réactions du système en temps réel.

$8 USD in 25 days

5.0

(2 reviews)

2.5

@SkillCrafts

I have extensive experience configuring Styrax Instruments for pharmaceutical and industrial HVAC applications, particularly where high-precision environmental control is mandatory. I recently completed a similar integration where I optimized Styrax-based cleanroom monitoring to ensure 21 CFR Part 11 compliance and stable pressure differentials. Your project sounds like it requires that same level of specialized attention to PLC logic and sensor calibration to maintain factory uptime and regulatory standards. To tackle this, I will first verify the Modbus RTU/TCP communication stability across your controller network to eliminate any latency in the AHU or chiller response times. I’ll focus on auditing your PID parameters within the Styrax environment to prevent hunting and excessive wear on VFDs, while ensuring that the I/O mapping is logically structured for future scalability. If you are using a master SCADA interface, I will ensure all register addresses are correctly polled and that your alarm management logic is both redundant and responsive to prevent critical failures. Are you currently experiencing specific communication dropouts between the Styrax nodes, or is the primary goal to implement new control sequences for energy efficiency? Also, could you clarify if I’ll be working with existing project source files or if we are building a new configuration from the hardware level? I’m happy to hop on a quick chat or a brief call to go over these technical details and ensure we have a clear roadmap for your factory’s automation—let me know when you're available.

$25 USD in 7 days