HMI Selection Guide 2026: WEINVIEW vs Kinco vs Siemens vs Pro-face

Bottom line: There is no "best HMI brand" — only the HMI that best fits your control system ecosystem and budget. This guide compares WEINVIEW, Kinco, Siemens KTP, and Pro-face GP4000 (with MCGS as a budget option) across five dimensions — screen size/resolution, communication protocols, software usability, industrial protection rating, and price-performance — and ends with a ready-to-use selection checklist.

1. Why HMI Selection Deserves Serious Attention

The HMI (Human-Machine Interface) is the operator's only interface to the machine. Typical costs of choosing wrong (industry-common experience, not statistical conclusions):

• Protocol mismatch → add a conversion gateway, costing hundreds to over a thousand dollars per point, plus one more failure point;
• Screen size/resolution too small → crowded screens, more operator errors;
• Hard-to-use software → every screen change hurts; slow project delivery;
• Insufficient protection rating → touchscreen failure within months in dusty/humid environments;
• Over-specification → paying 2-3× for a brand name whose features you never use.

Pro-face's official definition of HMI is a useful frame: an HMI handles five functions — settings, control and command, monitoring and supervision, historical data storage, and smart gateway (per proface.com). Check your needs against these five before comparing brands.

2. The Five Comparison Dimensions

2.1 Screen Size and Resolution

Size logic (industry-common experience):

• 4.3"–5.7": small single machines, limited door space, low information density;
• 7"–10.1": the mainstream, covering ~90% of single-machine monitoring;
• 12"–15.6": multi-process sections, many parameter pages, side-by-side trend curves.

Resolution determines "how clear and how much." At the same size, 1024×600 (e.g., Weintek cMT3072, MT8102iP) shows visibly more than 800×480. Pro-face GP4000 tiers by size: 5.7" QVGA (320×240), 7.5" VGA (640×480), 10.4" VGA, 12.1" SVGA (per proface.com official lineup page).

2.2 Communication Protocols

This is the most common pitfall. Key points:

• Check your controller brands first, then pick the HMI — same-brand combos usually have a native optimal protocol (e.g., Siemens KTP's native PROFINET support; the KTP700 Basic PN is confirmed to carry a PROFINET interface per the Siemens official store);
• Mixed-brand lines need wide protocol coverage: Weintek officially claims 400+ PLC communication protocols ; Pro-face is known for connecting to almost all mainstream PLC brands;
• MPI over RS-485: Weintek cMT3072's COM2/COM3 RS-485 supports 187,500 bps MPI ; Pro-face GP4000's COM2 also supports 187,500 bps MPI — a hard requirement when retrofitting legacy Siemens lines;
• CANopen/CAN/J1939: needed for mobile machinery; Weintek cMT3072 supports it ;
• Most brands support Modbus RTU/TCP as a baseline; MCGS is also confirmed to support Modbus plus Siemens/Mitsubishi protocols.

2.3 Software Usability

Industry-common experience: software acquisition and learning curves differ a lot — EasyBuilder Pro, DToolsPro, and GP-Pro EX are easier to obtain and learn than Siemens TIA Portal (licensed, steeper curve). But within a full Siemens line, the integrated efficiency of TIA Portal is hard to replace with standalone tools.

2.4 Industrial Protection Rating

• IP rating = dust/water protection: IP65 (dust-tight + low-pressure water jets) is the common baseline for industrial touch panels ;
• Verified official data: Weintek MT8071iP/MT8102iP front panels are NEMA4/IP65; Pro-face GP-4501T front panel is IP65f / NEMA TYPE 4X/13 ; MCGS TPC7032Kw series is described as IP65 (per channel-site material, verify against official manual);
• Panel vs. whole unit: for most HMIs the IP rating covers only the front panel — the mounting cutout and rear remain IP20 cabinet-environment (industry-common practice);
• Dusty, humid, or cutting-fluid environments: prefer high protection plus coated models (e.g., Pro-face coated options).

3. Brand-by-Brand Analysis

3.1 WEINVIEW / Weintek

• Positioning: mid-to-high-end; one of the world's leading HMI manufacturers (official self-description: "Leading HMI Manufacturer"); founded 2004 in Shenzhen ;
• Series: cMT (high-end, built-in remote/IIoT capability), eMT (mid-range), MT (classic volume line: MT8071iP / MT8102iP / MT8072iE);
• Representative specs : MT8071iP — 7" TFT, 800×480, 450 cd/m², 500:1 contrast, 16.7M colors, 4-wire resistive touch, 10/100 Ethernet, COM1 RS-232 4W + COM2 RS-485 2W/4W, 24 VDC; MT8102iP — 10.1" 1024×600, 350 cd/m², 1000:1;
• Remote capability: cMT3072 ships with EasyAccess 2.0 license built in (per distributor spec pages) — remote monitoring is a differentiator;
• Best for: mixed-brand PLC lines, remote maintenance needs, machine builders wanting feature/price balance.

3.2 Kinco

• Positioning: long-established Chinese automation brand covering HMI/servo/PLC (leader in motion control and HMI for robotics and smart equipment);
• Series: FUTURE (F2 high-end, 7"–15.6"), GREEN (G2 7"–15", GT2, GH enhanced, G1 standard, GL2/GL economy), MASS (M2/MT), plus handheld, capacitive, waterproof variants (per kincoautomation.com official product center);
• Software: DToolsPro (next-gen) and DTools (confirmed on kinco.cn);
• Best for: budget-conscious customers, those already in the Kinco PLC/servo ecosystem, and series-matched sourcing.

3.3 Siemens SIMATIC HMI (KTP Basic Panels)

• Positioning: the official HMI of the Siemens ecosystem, deeply integrated with S7 PLCs and TIA Portal;
• Series: KTP Basic (KTP400 4.3" / KTP700 7" / KTP900 9" / KTP1200 12" — industry-public sizes, verify against official datasheets before publishing);
• Verified official data: KTP700 Basic PN (order no. 6AV2123-2GB03-0AX0) — 7" TFT, 65,536 colors, PROFINET interface (per mall.siemens.com.cn official store); 800×480 resolution and IP65 are industry-public specs (to verify against official datasheet);
• Software: configured with WinCC Basic (TIA Portal component) (per official store description);
• Best for: all-Siemens lines, teams wanting unified PLC/HMI engineering, teams with TIA Portal skills.

3.4 Pro-face (Schneider Electric Group)

• Positioning: high-end; renowned for connecting to almost all mainstream device brands and for reliability (per proface.com HMI Centric page: a well-known manufacturer since the 1980s and inventor of the first programmable graphic HMI);
• Series: GP4000 (GP4100 compact 4.3", GP-4301T 5.7" QVGA, GP-4401T 7.5" VGA, GP-4501T 10.4" VGA, GP-4621T 12.1" SVGA — per proface.com official lineup page);
• Verified official data: GP-4501T (PFXGP4501TAD) — 65,536 colors, 32 MB FLASH, 320 KB SRAM, Ethernet + dual serial + dual USB, front panel IP65f/NEMA TYPE 4X/13 (per official spec page); COM2 supports 187,500 bps MPI;
• Important: GP4000 basic types (e.g., GP-4501TW / GP-4401WW, etc.) were discontinued as of 2025-06-30 (per proface.com official page) — specify standard GP-4x01T types or successor series for new projects;
• Best for: mixed-brand plant floors, applications demanding high reliability and high protection.

3.5 MCGS (Budget Addition)

• Positioning: Chinese economy HMI, the common choice for cost-sensitive projects;
• Representative models: TPC7032Kw (7" TFT, 800×480, 262k colors, 24 V ±20% VDC, 128 MB user memory — ; TPC1062K (10.2"); TPC7032Kt;
• Software: MCGS embedded configuration software; new-gen McgsPro;
• Best for: cost-first, standard-feature single machines.

4. Side-by-Side Comparison Table (Aug 2026)

5. Field Selection Checklist and Pitfalls

The following are general lessons from years of project experience, not statistical conclusions.

Selection checklist (tick off each):

1. List your controllers: which PLC/VFD/servo brands and models are on site? Verify the HMI supports each protocol natively — this is priority #1;
2. Fix size and resolution: choose size by information density; prefer higher resolution at the same size (1024×600 over 800×480);
3. Calculate remote needs: remote monitoring/maintenance required? Choose a model with built-in remote capability (e.g., EasyAccess 2.0) — don't add a gateway later;
4. Check protection and environment: dusty/humid/cutting-fluid environments need at least IP65 front panels; consider coated models for special environments;
5. Budget the software license: Siemens TIA Portal requires licenses and has a steep learning curve; EasyBuilder Pro, DToolsPro, GP-Pro EX are easier to obtain — include engineer training time in total cost;
6. Confirm availability and EOL risk: prefer current series (e.g., Pro-face basic types are discontinued — don't spec legacy models).

Common pitfalls:

• Pitfall 1: Buying on price alone, then hitting protocol mismatch. In one packaging project (single-project example, not a statistical conclusion), a customer bought a niche HMI to save money; the VFD protocol was incompatible, and a $400+ gateway was needed — total cost ended up higher;
• Pitfall 2: Ignoring resolution. A 7-inch 800×480 panel can be too cramped for multi-parameter screens — go 10.1" or higher resolution for dense pages;
• Pitfall 3: Reading "IP65" as "waterproof unit." Most HMIs are IP65 only on the front panel; the cutout, rear, and terminals are still IP20 cabinet-environment. Water damage usually enters at the mounting surface;
• Pitfall 4: Forgetting MPI support on legacy retrofits. When connecting legacy Siemens S7-300 via MPI, confirm the HMI serial port supports 187,500 bps MPI (Weintek cMT3072 and Pro-face GP4000 both do);
• Pitfall 5: Leaving software licenses out of the quote. In Siemens solutions, TIA Portal licenses and training are real money — include them when comparing quotes.

6. Product Tie-in: HMI Sourcing

Fradwell distributes the following HMI brands with worldwide shipping and selection support:

• WEINVIEW/Weintek: MT series (MT8071iP / MT8102iP / MT8072iE), cMT series ;
• Kinco: GL2 / G2 / M2 series ;
• Siemens HMI: KTP Basic series ;
• MCGS: TPC series.

7. Conclusion

HMI selection is a trade-off across five factors: protocol compatibility × screen/resolution × software ecosystem × protection × budget. Choose KTP for all-Siemens lines; WEINVIEW/Weintek for mixed brands plus remote access; Kinco or MCGS for domestic ecosystems and tight budgets; Pro-face for mixed-brand plants needing high reliability and high protection. List your controllers before talking price — protocol compatibility is always priority #1.

FAQ

Q1: What is the most important parameter in HMI selection? Communication protocol compatibility. Confirm the HMI natively supports all protocols of your on-site controllers (PLC/VFD/servo) before comparing screen size, resolution, protection, and price. A gateway for an incompatible protocol costs money and adds a failure point.

Q2: Which brand is best — WEINVIEW, Kinco, Siemens, or Pro-face? None is absolutely best; match matters. All-Siemens lines → Siemens KTP (ecosystem integration); mixed brands + remote maintenance → WEINVIEW (400+ protocols, EasyAccess 2.0); budget-sensitive → Kinco/MCGS; mixed-brand plants needing high reliability/protection → Pro-face.

Q3: Does IP65 mean the HMI can be immersed in water? No. IP65 means dust-tight (6) and protected against low-pressure water jets (5). For most HMIs the rating applies only to the front panel; the mounting cutout, rear, and terminals still need cabinet-environment protection. Coated or higher-rated models exist for tougher conditions.

Q4: Can Siemens KTP panels only be used with Siemens PLCs? Not only, but it is their strength. KTP panels carry PROFINET interfaces and are natively optimal in the Siemens ecosystem; they also support some third-party protocols, but the deep integration value shows on all-Siemens lines.

Q5: I need remote monitoring for my HMI. What should I choose? Prefer models with built-in remote capability, such as Weintek cMT series with EasyAccess 2.0 (remote monitoring/maintenance) plus Weincloud Dashboard; otherwise you need an external remote gateway, adding cost and complexity.

Q6: Are Pro-face GP4000 basic types discontinued? Yes. Per proface.com official page, GP4000 basic types (e.g., GP-4501TW / GP-4401WW / GP-4301TW / GP-4201TW) were discontinued on 2025-06-30 — specify standard GP-4x01T types or successor series for new projects.

Q7: How big is the difference between 7" 800×480 and 1024×600? Noticeable. 1024×600 has ~28% more horizontal pixels, allowing side-by-side trend curves and more parameters per page. For information-dense screens, choose the higher resolution.