HEIDENHAIN ND 920 - Manual (Page 41)

41
X3 X2 X1
X10 X31(V.24 RS-232-C) 1) X41(EXT) 1)
Ground terminal Encoder inputs X1 to X3 Rubber feet (M4 thread)
Switching inputs
and outputs
Input for
edge finder
RS-232-C/V.24
interface
Connections on Rear Panel
Power switch
Power input
ID label
Connections on Rear Panel
Connections X1, X2, X3, X31 and X41 are not shock hazardous according to EN 50 178.
1) Option with ND 920/ND 960