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HEIDENHAIN TNC 407 (243 020) Service Manual User Manual

Page 36

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SERVICE MANUAL TNC

issue:

01.09.1995

Page 28

5.4.3 Connector Designation: BC 1 B

5.4.4 Pin Layout: BC 1 B

X l Connection to the Logic Unit

see section 5.4.2

X2

Connection of the Soft Keys to the

Keyboard Unit

see section 5.4.2

X3 Line Connection
Terminal block
Assignment according to label

X4

Voltage Output for External Units

Terminal block (Z-pin)

Pin

Signal

+

o v

max. load 0.9 A