Service Diagnosis - HEIDENHAIN iTNC 530 Service Manual

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17.1.3 Service Diagnosis

To find out whether the connected encoder or the control interface is defective, you can operate

the encoder with another interface of the control. Use the interface of a functioning axis.

For fault diagnosis, proceed as follows:

Example machine

MP 100.x = CZYX (X = 1st axis, Y = 2nd axis, Z = 3rd axis, C = 4th axis)

MP 110.0 = 1 (X-axis at X1 input)

MP 110.1 = 2 (Y-axis at X2 input)

MP 110.2 = 3 (Z-axis at X3 input)

MP 110.3 = 4 (C-axis at X4 input)

MP 115.0 = %0000000000 (all inputs 1 Vpp)

MP 115.1 = %0000000000

MP 115.2 = %0000000000 (all inputs 50 kHz)

Block diagram

If the scanning head is wet and thus a short circuit is caused, it must not be connected again!

Encoder interfaces are not always short-circuit proof.

On position encoders connected to the CC 424, an exchange is only possible between the

groups X201 to X206 (main drive-control board) and X207 to X214 (auxiliary drive-control

Always exchange both, the cable and interface assignment by means of machine