Siemens SINUMERIK Series Function Manual page 136

B3: Distributed systems - 840D sl only
2.3 Examples
Machine data for NCU1 (leading axis)
Machine data
$MN_NCU_LINKNO = 1
$MN_MM_NCU_LINK_MASK = 1
$MN_MM_LINK_NUM_OF_MODULES= 2
$MN_MM_SERVO_FIFO_SIZE = 4
$MN_AXCONF_LOGIC_MACHAX_TAB[0] = "AX1"
$MN_AXCONF_LOGIC_MACHAX_TAB[1] = "AX2"
$MN_AXCONF_LOGIC_MACHAX_TAB[2] = "AX3"
$MN_AXCONF_MACHAX_NAME_TAB[0] = "XM1"
$MN_AXCONF_MACHAX_NAME_TAB[2] = "YM1"
$MA_AXCONF_ASSIGN_MASTER_NCK[ AX3 ] = 1
$MC_AXCONF_MACHAX_USED[0]=1 ; X
$MC_AXCONF_MACHAX_USED[1]=2 ; Y
$MC_AXCONF_MACHAX_USED[2]=3 ; Z
Machine data for NCU2 (following axis)
Machine data
$MN_NCU_LINKNO = 2
$MN_MM_NCU_LINK_MASK = 1
$MN_MM_NUM_CURVE_TABS = 5
$MN_MM_LINK_NUM_OF_MODULES= 2
$MN_MM_NUM_CURVE_SEGMENTS= 50
$MN_MM_NUM_CURVE_POLYNOMS = 100
$MN_MM_SERVO_FIFO_SIZE = 2
$MN_AXCONF_LOGIC_MACHAX_TAB[0] = "NC1_AX3"
$MN_AXCONF_LOGIC_MACHAX_TAB[1] = "AX2"
$MN_AXCONF_LOGIC_MACHAX_TAB[2] = "AX3"
$MC_AXCONF_MACHAX_USED[0]=3
$MC_AXCONF_MACHAX_USED[1]=2
$MC_AXCONF_MACHAX_USED[2]=1
136
Meaning
1. or master NCU
NCU link active
Number of link modules
The size of the data buffer is increased to 4 between
interpolation and position control
Meaning
2. NCU number
Activate link
Number of curve tables
Number of link modules
Size of the data buffer between interpolation and position
control (standard)
Lead link on NCU1/AX3
AX3 is machine axis of the 1st channel axis
AX2 is machine axis of the 2nd channel axis
AX3 on NCU1 is machine axis of the 3rd channel axis
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
Extended Functions