HEIDENHAIN TNC 335 Technical Manual - Manual (Page 266)

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TNC 360 10 Electronic handwheel 4-169
10.1 Panel-mounted handwheel HR 130
MP7640 = 2
10.2 Portable handwheel HR 330
MP7640 = 1 with evaluation of all keys through the NC
MP7640 = 3 with evaluation of the +, – and rapid traverse keys in the PLC
Assignment of keys to the PLC inputs
Key PLC input
+ I160
– I161
”Rapid traverse” I162
10.3 Portable handwheel HR 332
MP7640 = 4 with evaluation of all keys in the PLC
MP7645.0 determines whether all 12 keys and their LEDs are accessible via PLC or whether the
axis selection keys and their LEDs are excepted.
MP7645.0 Assignment of handwheel keys for HR 332
Input: 0 or 1
0 = All keys except axis selection keys and their LEDs are
accessible via PLC
1 = All 12 keys and LEDs are accessible via PLC