Connecting The Encoders - HEIDENHAIN ND 780 Handbuch

Connecting the Encoders

ND 780 can be used with HEIDENHAIN linear, and rotary encoders
that provide sinusoidal output (11µA
on the rear panel are designated X1, X2, and X3.
The connecting cable must not exceed 30 m (100 ft.) in length.
Do not engage, or disengage any connections while the
unit is under power.
Pin layout for encoder inputs.
D-sub connector Input signal
15-pin 11µApp
1 DC 5 V
2 0 V
3 I1 +
4 I1 -
5 /
6 I2 +
7 I2 -
8 /
9 /
10 I0 +
11 /
12 I0 -
13 Internal Shield
14 /
15 /
Case External Shield
84
, or 1V ). The encoder inputs
PP PP
Input signal
1 Vpp
DC 5 V
0 V
A+
A-
/
B+
B-
/
DC 5 V Sensor
R+
0V Sensor
R-
/
/
/
/
II Technical Information