PLC simadvance4.0确实取消了1.8以前的固件支持了。

Highlights SIMATIC S7-PLCSIM Advanced V4.0

The following functions are now available with SIMATIC S7-PLCSIM Advanced V4.0:

Supporting additnoal S7-1500 CPU Types:

S7-1500 H/R CPUs im RUN Solo Mode

S7-1500 ET 200pro CPUs

SIMATIC Drive Controller

S7-1518 T/TF

S7-1500  SIPLUS Extreme CPUs

Supports secure communication for OPC UA, Open User (OUC) and https web server connections.

Supports up to 128 UDP multicast connections, DNS and DHCP as with the hardware CPU with firmware version V2.9 

The installation program replaces the WinPCap driver with the NpCap driver

Compatible with TIA Portal projects from versions V14 to V17

Supports CPU firmware versions V1.8 – V2.9