HEIDENHAIN TNC 407 (243 020) Technical Manual - Manual (Page 79)

01.98
TNC 407/TNC 415/TNC 425 10 Handwheel input 3-49
10.5 Handwheel adapter HRA 110
The HRA 110 can be used to connect 2 or 3 handwheels HR 150 to one LE.
The first two handwheels are dedicated to axes X and Y. The third handwheel can be assigned to
axes X, Y, Z, IV or V using a step switch (optional) or machine parameters. (See "Handwheel" section
in chapter "Machine integration").
HRA 110
X3
X2
X1
X23 (LE) X23
S1
X31 24 V
Achswahl (Option)
AXIS SELECTION (OPTIONAL)
Unterteilungsfaktorwahl (Option)
INTERPOLATION FACTOR (OPTIONAL)
max. 50 m
Id.-Nr. 270 909..
HR 150
S2
max. 20 m
A second step switch (optional) can be used to select the interpolation factor for the handwheels.
The interpolation factor of the step switch must be evaluated in the PLC - it is displayed on screen
but cannot be altered with the keyboard.
However the interpolation factor can be set for specific axes without a step switch by using the
keyboard as before.
Pin assignments
Handwheel inputs X1, X2, X3
Pin number Assignment
1 I
1
+
2 I
1
–
3 I
2
+
4 I
2
–
5 I
0
+
6 I
0
–
7 + 5 V
8 0 V
9 Inner screen
Housing Outer screen