ST_CouplerReg
TYPE ST_CouplerReg
STRUCT
    Lo  : BYTE;
    Hi  : BYTE;
END_STRUCT
END_TYPEA Coupler register has the size of one word. The parameterisation and the configuration of the coupler is discarded in the register.
Requirements
| 
 Development environment  | 
 Target system type  | 
 PLC libraries to include (category group)  | 
|---|---|---|
| 
 TwinCAT v3.1.0  | 
 PC or CX (x86, x64, ARM)  | 
 Tc2_Coupler (IO)  |