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HEIDENHAIN TNC 306 Service Manual User Manual

Page 87

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SERVICE MANUAL TNC 306/360

Page 80

HEIDENHAIN Service

b) With universal measuring adaptor

X21

X22

X27

Interface

0.15 V

Multimeter

Measuring

Adaptor

Logic Unit

X21 : PLC output
X22 : PLC input
X27 : Machine tool operating panel

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