Trouble Shooting On The Cc 422 - HEIDENHAIN iTNC 530 Service Manual

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18.2.3 Trouble shooting on the CC 422

To find out, whether the connected encoder or the interface of the control is defective, the

interchange method can be used. Use the interface of a working axis for this purpose.

Error in X-axis

Example machine

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

MP 112.0 = 15 (X-axis at X15 input)

MP 112.1 = 16 (Y-axis at X16 input)

MP 112.2 = 17 (Z-axis at X17 input)

MP 112.3 = 18 (C-axis at X18 input)

Block diagram

When troubleshooting do not connect obviously defective devices (e.g. motor encoder with

short circuit caused by ingress of moisture) to other interfaces of the control.

Always switch both the cable and the interface assignment by machine parameter!

Encoders can only be switched within the main DCB and the auxiliary DCB!

Master and slave axes must always be connected to the same drive-control board.

HEIDENHAIN Service Manual iTNC 530

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