# Select via CNC object

The single-step operation mode is set by the PLC writing the modifier before the next step.

The operation mode is modal.

Name | Single Step Mode |
Description | This CNC object selects the function of the single-step mode. Data range: 0 - Step into 1 - Step over 2 - Return from Function

3 - Step to next movement

See [FCT-M2// Commandable operating modes]

Task | GEO (Port 551) |
Index group | 0x12130<CID> | Index offset | 0x1A
Data type | UNS32 | Length | 4
Attributes | read/ write | Unit | [-]
Remarks |  |