The most frustrating barrier to entry with Cscape 990 is the USB-to-Serial driver conflict. Windows 10/11 often fails to recognize legacy Horner USB drivers.
Step-by-Step Driver Fix:
Pro Tip: If you are using a modern laptop without physical COM ports, purchase a FTDI-chip USB-to-Serial adapter. Prolific chips cause “Error 10” crashes with Cscape 990. cscape 990
| Issue | Likely Fix | |-------|-------------| | Cannot connect via USB | Reinstall USB drivers; check Device Manager for COM port | | Download fails | Put controller in STOP; check power; reduce baud rate | | Screen shows “No Program” | Send All again; verify screen transfer included | | Analog input reads 0 | Check wiring; configure input type (voltage/current) in I/O Config | The most frustrating barrier to entry with Cscape
If you are firing up this software today, keep these tips in mind: Test the connection using HyperTerminal or the Cscape
| Memory | Description | |--------|-------------| | %I | Physical inputs (digital) | | %Q | Physical outputs (digital) | | %AI | Analog inputs (0-10V, 4-20mA) | | %AQ | Analog outputs | | %M | Internal bits | | %R | Registers (16-bit) |
| Setting | Location in Cscape | |--------|---------------------| | I/O Mapping | Controller → I/O Configuration | | Serial Ports (COM1, COM2) | Controller → Port Configuration | | Ethernet IP Address | Controller → Network Configuration | | CANbus (if XL model) | Controller → CAN Configuration | | Startup Mode (Run/Stop) | Controller → Controller Configuration → Power Up Mode |