PLCforum.uz.ua

Hi

I want to connect to beckhoff ek1100 coupler via control rte v3.
HARDWARE CONNECTION;
PC with codesys 3=>ethernet adapter=>industrial pc(there i setup codesys control rte 3)=>ek1100 coupler=>el2809
But i receive following errors when i trying to log in.
Unresolved reference: 'CLOSEETHERNET'
Unresolved reference: 'GETNUMBEROF ADAPTERS'
Unresolved reference: 'GETADAPTERINFO'
Unresolved reference: 'OPENETHERNET'
Unresolved reference: 'SENDETHFRAME'
Unresolved reference: 'GETETHFRAME'
Unresolved reference: 'SENDIPETHFRAME'
Unresolved reference: 'GETIPETHFRAME'
Does anyone know how to solve this problem