K2: Axis Types, Coordinate Systems, Frames
10.5 Frames
Basic Functions
736 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
10.5.4.2 Relative coordinate systems
Relative coordinate systems display the current setpoint positions of the axes, which lie relative to a specified
reference point in the active displayed coordinate system. No programming can be done regarding the relative
coordinate systems. Only the axis positions in these systems can be read via the system variables.
The new display coordinate systems lie relative to WCS and ENS coordinate system and result through
transformation of the WCS or ENS axis positions with the active system frame $P_RELFRAME. The relative
coordinate systems can not only be displaced linearly, but also rotated, mirrored, compressed or expanded.
The position indicator for axis setpoints is done in WCS or in ENS. The configuring is done via HMI machine data.
Always only one display-coordinate system is active in the channel. For this reason only one relative frame is
provided, which generates both the relative coordinate systems in the same ratio. The HMI displays the relative
coordinates according to the configuring.
WCS: Workpiece Coordinate System
SZS: Settable Zero System
BZS: Basic Zero System
BCS: Basic Coordinate System
MCS: Machine Coordinate System
PCS: Part Coordinate System
ACS: Adjustable Coordinate System
FCS: Foot Coordinate System
BCS: Basic Coordinate System
MCS: Machine Coordinate System
$P_ACTFRAME = $P_PARTFRAME : $P_SETFRAME : $P_EXTFRAME :
$P_ISO1FRAME : $P_ISO2FRAME : $P_ISO3FRAME :
$P_ACTBFRAME : $P_IFRAME :
$P_TOOLFRAME : $P_WPFRAME : $P_TRAFRAME:
$P_PFRAME : $P_ISO4FRAME : $P_CYCFRAME
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