NC Commissioning with HMI Advanced
11.5 Axes and spindles
Manual
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
399
Machine data
Table 11-20 Linear measuring systems: Machine data
Number Name Name/remarks
Axisspecific ($MA_ ... )
30240 ENC_TYPE[n] Actual-value acquisition modes
1 = incremental signal generator
30242 ENC_IS_INDEPENDENT[n] Encoder is independent
30300 IS_ROT_AX Rotary axis
31000 ENC_IS_LINEAR[n] Direct measuring system (linear scale)
31010 ENC_GRID_POINT_DIST[n] Distance between reference marks on linear scales
31030 LEADSCREW_PITCH Leadscrew pitch
31040 ENC_IS_DIRECT[n] Encoder is connected directly to the machine
31050 DRIVE_AX_RATIO_DENOM[n] Denominator load gearbox
31060 DRIVE_AX_RATIO_NUMERA[n] Numerator load gearbox
32110 ENC_FEEDBACK_POL[n] Sign actual value (feedback polarity)
11.5.6 Parameterization of absolute measuring systems
Encoder types
The following encoder types are currently supported:
● Single-turn absolute value encoder
● Multi-turn absolute value encoder
with EnDat protocol and incremental sinusoidal encoder signals A and B, e.g. Haidenhain
EQN 1325.
EQN 1325
The absolute value encoder EQN 1325 from Heidenhain has the following properties:
● EnDat protocol
● PPR count: 2048 = 2
11
(encoder fine resolution)
● Positions/revolution: 8192 (13 bits)
● Differentiable revolutions: 4096 (12 bits)
● Encoder signals A/B: Sin/cos 1 Vpp
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