# Assigning the thread to a CPU kernel (P-RTCF-00015)

P-RTCF-00015 | Assigning the thread to a CPU kernel
Description | The parameter can assign the thread to a specific CPU kernel. The thread is then executed only on this kernel. If the thread is assigned to a kernel that does not exist, error ID 1000180 is output. The operating system then assumes the task of assigning the thread to one or several processor kernels.

If the assignment cannot be executed for one reason or another, an error message with ID 1000181 is output.

Parameter | thread[i].cpu
Data type | UNS16
Data range | 1 ... 7
Dimension | ----
Default value | 1
Remarks | Parameterisation example: thread[0].cpu 1