July 2013 6.1 Control loops 615
With the CC 61xx controllers, the MP120.x is used to assign the outputs to the
axes. Entering X51 to X56, X80 to X85 in MP120.x also provides all further
connector assignments to the axis, because the assignment between speed
encoder, PWM output (power module output on the UEC) and position
encoder is a permanent assignment:
When using a CC 61xx in conjunction with HEIDENHAIN inverters
When using a UEC:
If MP120.x = 0, then the axis will only be displayed.
Digital axes: If MP110.x = 0, then the speed encoder (with or without EnDat
interface) is also used for position control.
MP108.x Assignment of axes to drive-control motherboards
Input:
0 to 4: Number of the drive-control motherboard in the HSCI chain
MP110.x Assignment of position encoder inputs to the axes
Input: 0: No position encoder
201 to 206: Position encoder inputs X201 to X206
MP112.x Assignment of speed encoder inputs to the axes
Input: 0: No speed encoder input
15 to 20: Speed encoder inputs X15 to X20
MP120.x Nominal speed command outputs of the axes
Input: 0: No servo-controlled axis
1 to 8: Analog servo-controlled axis over CMA-H
51 to 56: Digital speed command outputs X51 to X64 of the CC
80 to 85: Digital speed command output outputs X80 to X85 of the
UEC
MP130.x Y index of the machine parameters MP2xxx.y for the axes
Input: 0 to 17
Input of MP120.x/MP121.x:
PWM output
51 52 53 54 55 56
Input: Speed encoder X15 X16 X17 X18 X19 X20
Input: Position encoder
(input in MP110.x/MP111.x)
X201 X202 X203 X204 X205 X206
Input in MP120.x:
Speed output:
PWM output
80 81 82 83 84 85
Input: Speed encoder X15 X16 X17 X18 X19 X20
Input: Position encoder X201 X202 X203 X204 X205 X206
Depending on the maximum spindle speed, it might no longer be possible
to use all PWM outputs (see "Specifications" on page 1067).
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