A1SG60 is an empty cover that is used to plug in the unused I/O slot on the main board or on the extended board.
A1SG60 is a reserved dummy module I/O point to PLC extended I/O system.
Using A6SIM-X64Y64 simulation I/O module in the system before the connection can be carried out to control the process of debugging.
The simulation unit consists of 16 blocks of 4 switches and 4 LED LEDs.