Siemens SINUMERIK 840D sl Function Manual page 315

4.6 Third handwheel via SIMODRIVE 611D (SINUMERIK 840D)
Function
Via cable distributor (Peripheral interface of the NCU: X121) two handwheels can be
connected. A third handwheel can be connected via an encoder interface of a SIMODRIVE
611D drive, for instance, to be used as contour handwheel.
Connection
The handwheel signals (track A, *A, B, *B, 5 V, and 0 V) must be wired to the encoder
interface (25-pole connector) as follows:
Figure 4-6
Tip:
● Use the following cable to connect the handwheel:
● Pinch off the cable at the circular connector, remove the outer shield and connect to
Extended Functions
Function Manual, 03/2009, 6FC5397-1BP10-4BA0
Connecting a handwheel to an actual-value input
"Actual value cable for encoder with voltage signals" (MLFB: 6FX2002-2CG00- ...)
ground.
Third handwheel via SIMODRIVE 611D (SINUMERIK 840D)
Manual and Handwheel Travel (H1)
315