Detailed Description
2.9 Program control
Mode Group, Channel, Program Operation, Reset Response (K1)
2-126 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
With modulo axes, the programmed value, which may be outside the modulo range, is
displayed in the basic block display.
Note
As a basic rule the positions are represented in the WCS or the SZS.
The basic block display can be activated or deactivated with setting data
SD42750 $SC_ABSBLOCK_ENABLE.
Configure basic block display
The basic block display can be configured via the following machine data:
NCK machine data for basic block display Meaning:
MD28400 $MC_MM_ABSBLOCK Activate basic block display
MD28402
$MC_MM_ABSBLOCK_BUFFER_CONF[2]
Size of display buffer
Display of machine data Position values to be set:
MD9004 $MM_DISPLAY_RESOLUTION For metric measurements
MD9011 $MM_DISPLAY_RESOLUTION_INCH For inch measurements
MD9010 $MM_SPIND_DISPLAY_RESOLUTION
Settable coordinate system for spindle display
resolution
MD9424 $MM_MA_COORDINATE_SYSTEM For actual value display in WCS or SZS
These display machine data are copied to NCK machine data
MD17200 $MN_GMMC_INFO_UNIT[0] to MD17200 $MN_GMMC_INFO_UNIT[3] allowing
them to be accessed from the NCK.
Activation
The basic block display is activated by MD 28400 $MC_MM_ABSBLOCK by means of
Power On. If MD28400 $MC_MM_ABSBLOCK is set to 1, a channelspecific display buffer
(FIFO) is created during power-up.
Size of display buffer (FIFO) = (MD28060 $MC_MM_IPO_BUFFER_SIZE + MD28070
$MC_MM_NUM_BLOCKS_IN_PREP) multiplied by 128 bytes. This corresponds to a size of
6KB in the machine data default setting.
Optimizing the size of the display buffer
The memory requirement can be optimized by entering a value between 128 and 512. The
display blocks preprocessed in the display buffer are transferred to the HMI via a
configurable upload buffer.
Maximum size of upload buffer is obtained by multiplying
(MD28402 $MC_MM_ABSBLOCK_BUFFER_CONF[0] +
MD28402 $MC_MM_ABSBLOCK_BUFFER_CONF[1] + 1) by the block length configured in
MD28400 $MC_MM_ABSBLOCK.
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