Siemens PLC Programming for Industrial Plants
SIMATIC S7-1500 / S7-1200 / TIA Portal / WinCC. Remote or onsite. Fast troubleshooting and new projects from a senior Siemens programmer.
- Get the line back up — fast remote troubleshooting on TIA Portal and STEP 7.
- Increase throughput with cleaner, more maintainable logic and tighter HMI workflows.
- Protect operators with documented safety, interlocks, and E-stop logic.

Talk directly with: Jesse Lomas
Senior PLC programmer • 13+ years on Siemens SIMATIC S7, TIA Portal & WinCC
(945) 941-7304 • Mon–Fri, 7a–5p CST • Down right now? Tell us when you call.
Trusted by manufacturers across food & bev, packaging, semiconductor, oil & gas, and water/wastewater

13+ years programming Siemens SIMATIC S7-1500, S7-1200, and S7-300/400 in production plants
Dozens of S7-300 / S7-400 migrations to S7-1500 / TIA Portal completed across Texas
TIA Portal, STEP 7, WinCC, Comfort Panels — deep Siemens stack, not a generalist
Schedule Your Siemens PLC Consult
Tell us your Siemens platform, what's happening on the plant floor, and your timeline. We'll get you on a call with a senior Siemens programmer. No cost, no obligation.
Useful first 30 minutes or you don't pay. If we can't outline a fix or a clear plan for your Siemens issue in the first 30 minutes, the session is on us.
Siemens Specialists — Not Generalists
We live in the Siemens stack. You won't spend the first hour explaining tag conventions, UDTs, or how function blocks work.
Controllers
SIMATIC S7-1500, S7-1200, S7-300, S7-400, and ET 200SP/ET 200S distributed I/O. New builds, troubleshooting, and code review.
Software
TIA Portal, classic STEP 7 (S7), WinCC (TIA / Advanced / Professional), WinCC flexible, PLCSIM, and SINAMics drive integration.
HMIs
SIMATIC HMI Comfort and Basic Panel builds, screen redesigns, alarm rationalization, and migrations off legacy multi-panel / WinCC flexible.
Safety & interlocks
Safety Integrated F-CPU programming, E-stop and light-curtain interlocks, lockout-aware logic, and audit-ready safety documentation.
Legacy migration
S7-300 and S7-400 → S7-1500 conversions with I/O remapping, PROFIBUS-to-PROFINET planning, cutover planning, and parallel-run validation.
Troubleshooting & new projects
Line-down emergency response, root-cause analysis, greenfield programs, and turnkey new-machine commissioning.
What “done” looks like
Packaging line
Reduced changeover time by 32% with cleaner S7-1500 logic and a redesigned Comfort Panel workflow.
Operators stopped fighting the HMI. Changeovers that used to take 18 minutes are now under 12.
Process plant
Migrated an unsupported S7-300 to S7-1500 over a single planned weekend shutdown.
Logic migrated to TIA Portal, PROFIBUS I/O remapped to PROFINET, WinCC tags updated, and the line came back up Monday morning on schedule.
Simple 3-Step Process
30-minute remote consult
Tell us your Siemens platform and what's happening. We'll give you a straight read and recommended next step.
Site assessment & scope
Onsite or remote review of program, HMI, and I/O. You get a written scope and quote — no surprises.
Implementation & handoff
We program, test, commission, and leave you with documentation your team can actually maintain.
Siemens PLC Programming — Frequently Asked Questions
What Siemens platforms do you program?
SIMATIC S7-1500, S7-1200, S7-300, S7-400, and ET 200SP/ET 200S distributed I/O. We program in TIA Portal and classic STEP 7 (S7). We also build and modify SIMATIC HMI Comfort and Basic Panels and WinCC (TIA / Advanced / Professional) applications.
Can you respond to a line-down emergency?
Yes. Call us directly and tell us you're down. We'll get a senior Siemens programmer on a remote session or onsite as fast as we can mobilize. Most remote troubleshooting starts within an hour during business hours.
Do you handle S7-300 / S7-400 migrations to S7-1500?
Yes — this is one of our most common projects. We migrate classic STEP 7 logic to TIA Portal, plan I/O and PROFIBUS-to-PROFINET remapping, build a cutover plan that minimizes downtime, and provide handoff documentation your team can actually maintain.
Can you work remotely or do you need to be onsite?
Both. Most troubleshooting, code review, and program changes can be done remotely with a secure VPN or remote-access setup. Commissioning, new installs, and field I/O work happen onsite.
Will you sign an NDA?
Yes. We routinely sign NDAs before reviewing proprietary control logic, P&IDs, or process recipes. Send yours ahead of the call or use ours.
Do you do safety / interlock work (Safety Integrated, F-CPU)?
Yes. We program SIMATIC Safety Integrated F-CPUs, E-stop and light-curtain interlocks, and document safety logic for audits. We are not a certified functional-safety assessor — for SIL-rated assessments we'll coordinate with your TÜV partner.
What does a typical project look like?
Step 1: 30-minute remote consult to scope the problem. Step 2: site assessment and a written scope/quote. Step 3: implementation with handoff documentation. We don't disappear after go-live.
Line Down? Call Now.
For emergency Siemens troubleshooting, skip the form and call. Tell us you're down and we'll move.
Monday – Friday, 7:00 AM – 5:00 PM CST
Siemens specialists. SIMATIC S7 • TIA Portal • WinCC • Comfort Panels. Remote or onsite. No cost first consult.