Siemens SINUMERIK 840DE SL - Page 405

Detailed Description
2.3 Setpoint/actual-value system
Velocities, Setpoint/Actual-Value Systems, Closed-Loop Control (G2)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-31
Measurement channel no. 6 should be assigned to machine axis "X1":
X416 as direct measuring system.
The logical number of the drive is set automatically to 4.
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Fig. 2-3 Example of setpoint/actual-value routing with axis expansion interface
Actual-value assignment Machine data parameterization for 810D
1st axis actual value from motor
encoder
(X414) MD30220 $MA_ENC_MODULE_NR[0]
MD30230 $MA_ENC_INPUT_NR[0]
= 4
= 1
2nd axis actual value from linear
scale
(X416) MD30220 $MA_ENC_MODULE_NR[1]
MD30230 $MA_ENC_INPUT_NR[1]
= 3
= 1
Number of encoders: MD30200 $MA_NUM_ENCS = 2
Actual-value acquisition modes 1: MD30240 $MA_ENC_TYPE[0] = 1
2: MD30240 $MA_ENC_TYPE[1] = 1