HEIDENHAIN TNC 407 (243 020) Technical Manual - Manual (Page 80)

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TNC 407/TNC 415/TNC 425 10 Handwheel input 01.98
Handwheel adapter output X23
Pin assignment
Pin number Assignment
1 RTS
2 0 V
3 CTS
4 +12V + 0,6 V (Uv)
5 Do not use
6 DSR
7 RxD
8 TxD
9 DTR
Housing Outer screen
NC supply connection X31
Pin assignment
Pin number Assignment
1 + 24 V
2 0 V
The 24 V power supply of the PLC must not be connected in the handwheel adapter, since that
would bridge the electrical separation of PLC inputs and outputs. The handwheel adapter must be
powered with the 24 V supply from the NC block of the LE (VDE 0551). See chapter "Power supply".
10 Handwheel input