Note: WinCC V7.4 is a Classic/Professional version (not the TIA Portal integrated version, though it can be used with TIA Portal for engineering). It was released around 2017 and has since been declared in "Classic Support" or "Phase-Out" by Siemens. 1. Operating System Compatibility (Server & Runtime) WinCC V7.4 is highly dependent on specific Windows versions and service packs. Microsoft .NET Framework 3.5 and 4.7 must be enabled.
| Software | Version | Compatible with WinCC V7.4 | Notes | |----------|---------|----------------------------|-------| | | V15, V15.1, V16 | ✅ Yes | For integrated AS/OS engineering | | SIMATIC NET (PC Station) | V14, V15 | ✅ Yes | For S7 communication and OPC | | SIMATIC Logon | V1.6 SP1 | ✅ Yes | Central user management | | WinCC/WebNavigator | V7.4 SP1/SP2 | ✅ Yes | Requires IIS | | WinCC/DataMonitor | V7.4 | ✅ Yes | Requires IIS + Excel | | S7-PLCSIM | V15.1 | ✅ Yes | For simulation (limited features) | | WinCC Audit | V7.4 | ✅ Yes | Requires SQL Server Reporting Services (separate machine) | 4. Web Clients & Browsers (WebNavigator) For WinCC V7.4 WebNavigator, the following client browsers are supported:
| Protocol/Interface | Version | Supported | Notes | |--------------------|---------|------------|-------| | | 2.05, 3.0 | ✅ Yes | Via OPC WinCC Channel or OPC Scout | | OPC HDA | 1.2 | ✅ Yes | Historical data access | | OPC UA | 1.02, 1.03 | ✅ Yes | Server and Client (with limitations in SP1) | | S7 Protocol (ISO-on-TCP) | Native | ✅ Yes | Through SIMATIC NET or built-in channel | | PROFINET | - | ✅ Yes | For S7-1200/1500 via TIA Portal integration | | Modbus TCP | - | ✅ Yes | Via Modbus TCP channel add-on | | Ethernet/IP | - | ⚠️ Partial | Third-party driver required | 6. Hardware Compatibility (License & Runtime) | Component | Supported Versions | Notes | |-----------|-------------------|-------| | Hardware Key (USB Dongle) | Green USB (Siemens) | Driver automatically installed | | Softnet (SIMATIC NET) | V14, V15 | For CP cards (CP 1623, CP 1613) | | Communication Processors | CP 5623, CP 5624, CP 1628 | Specific driver versions required | | Panel PC (IPC) | IPC 477D, IPC 677D, IPC 847C | Must have supported OS preinstalled | 7. Virtualization Compatibility WinCC V7.4 is officially supported on:
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Note: WinCC V7.4 is a Classic/Professional version (not the TIA Portal integrated version, though it can be used with TIA Portal for engineering). It was released around 2017 and has since been declared in "Classic Support" or "Phase-Out" by Siemens. 1. Operating System Compatibility (Server & Runtime) WinCC V7.4 is highly dependent on specific Windows versions and service packs. Microsoft .NET Framework 3.5 and 4.7 must be enabled.
| Software | Version | Compatible with WinCC V7.4 | Notes | |----------|---------|----------------------------|-------| | | V15, V15.1, V16 | ✅ Yes | For integrated AS/OS engineering | | SIMATIC NET (PC Station) | V14, V15 | ✅ Yes | For S7 communication and OPC | | SIMATIC Logon | V1.6 SP1 | ✅ Yes | Central user management | | WinCC/WebNavigator | V7.4 SP1/SP2 | ✅ Yes | Requires IIS | | WinCC/DataMonitor | V7.4 | ✅ Yes | Requires IIS + Excel | | S7-PLCSIM | V15.1 | ✅ Yes | For simulation (limited features) | | WinCC Audit | V7.4 | ✅ Yes | Requires SQL Server Reporting Services (separate machine) | 4. Web Clients & Browsers (WebNavigator) For WinCC V7.4 WebNavigator, the following client browsers are supported: wincc 7.4 compatibility list
| Protocol/Interface | Version | Supported | Notes | |--------------------|---------|------------|-------| | | 2.05, 3.0 | ✅ Yes | Via OPC WinCC Channel or OPC Scout | | OPC HDA | 1.2 | ✅ Yes | Historical data access | | OPC UA | 1.02, 1.03 | ✅ Yes | Server and Client (with limitations in SP1) | | S7 Protocol (ISO-on-TCP) | Native | ✅ Yes | Through SIMATIC NET or built-in channel | | PROFINET | - | ✅ Yes | For S7-1200/1500 via TIA Portal integration | | Modbus TCP | - | ✅ Yes | Via Modbus TCP channel add-on | | Ethernet/IP | - | ⚠️ Partial | Third-party driver required | 6. Hardware Compatibility (License & Runtime) | Component | Supported Versions | Notes | |-----------|-------------------|-------| | Hardware Key (USB Dongle) | Green USB (Siemens) | Driver automatically installed | | Softnet (SIMATIC NET) | V14, V15 | For CP cards (CP 1623, CP 1613) | | Communication Processors | CP 5623, CP 5624, CP 1628 | Specific driver versions required | | Panel PC (IPC) | IPC 477D, IPC 677D, IPC 847C | Must have supported OS preinstalled | 7. Virtualization Compatibility WinCC V7.4 is officially supported on: Note: WinCC V7
