Siemens SINUMERIK 840D sl Function Manual page 198

H1: Manual and handwheel travel
4.11 Circular travel in JOG
Procedure
Procedure for circular travel in JOG:
1. Plane selection
2. Selection of JOG mode
3. Specification of circle parameters
4. Activation of the function "Circular travel in JOG"
5. Traversing of the geometry axes with traverse keys or handwheel
Plane selection
The geometry axes of the active plane are selected by programming one of the following G
commands:
G command
Specification of circle parameters
At least the following data is required for circular travel in JOG:
● Coordinates of the circle center point
● The maximum circle radius for internal machining or minimum circle radius for external
machining
● Machining mode (internal or external machining)
The specifications are made via the user interface in the channel-specific setting data:
SD42690 $SC_JOG_CIRCLE_CENTRE (circle center point)
SD42691 $SC_JOG_CIRCLE_RADIUS (circle radius)
SD42692 $SC_JOG_CIRCLE_MODE (jog circle mode)
For details, see Chapter "Parameter setting (Page 203)".
Activating the function
The PLC sets the interface signal after the "Circular travel in JOG" function has been selected:
DB21, ... DBX30.6 (circular travel in JOG)
The NC confirms the activation with the interface signal as soon as the function is effective:
198
1st geometry axis of the plane
G17
G18
G19
X
Z
Y
Function Manual, 10/2015, 6FC5397-1BP40-5BA3
2nd geometry axis of the plane
Y
X
Z
Extended Functions