Rear Panel
Ground terminal
Power switch
Inputs for HEIDENHAIN linear encoders
(ND 510: 2, ND 550: 3)
with sinusoidal output signals
(7µA
pp
to 16 µA
pp
),
Connecting cable max. 20 m (66 ft),
Input frequency max. 50 kHz with
6 m/20 ft cable (35 kHz with 10 m/32.8 ft,
20 kHz with 20 m/66 ft)
X2
X1
X3
Interfaces X1, X2 and X3 comply with the recommendations in EN 50 178
for separation from line power.
281 615-23 · SW 246 119 02 · 10 · 6/99 · H · Printed in Germany · Subject to change without notice
56
±
0.2
2.204
±
.008"
93+2
3.66+.08"
29+0.5
1.14+.02"
20
.79"
0
21
±
0.2
1
±
.008"
209
±
0.2
8.228
±
.008"
230
±
0.2
9.055
±
.008"
92
3.622"
M4
43.3
1.704"
Installation
You can mount the display unit on a surface
using M4 screws, or on a tilting base from
HEIDENHAIN (Id.-Nr. 281 619 01).
Danger of electrical shock!
Unplug the power cable before opening the housing.
Connect a protective ground. This connection should never be interrupted.
Danger to internal components!
Do not engage or disengage any connections while the unit is under power.
Use only original replacement fuses.
Power Supply and Connection
Primary-clocked power supply.
Voltage range
100 V to 240 V (–15% to +10 %)
Frequency
48 Hz to 62 Hz
Power consumption
ND510: 9 W, ND550: 12 W
Line fuse
F 1 A (in unit)
Minimum cross-section of power cable: 0.75 mm
2
To increase the noise immunity, connect the ground terminal on the rear panel
to the central ground point of the machine. (Minimum cross-section 6 mm
2
)
Ambient Conditions
Temperature range
Operation: 0°C to +45°C (32°F to 113°F)
Storage: –30°C to +70°C (–32°F to 158°F)
Rel. humidity
Annual average: < 75%; maximum: < 90%
Weight
2.3 kg
DR. JOHANNES HEIDENHAIN GmbH
Dr.-Johannes-Heidenhain-Straße 5
D-83301 Traunreut, Deutschland
(0 86 69) 31-0 . 56 831
(0 86 69) 50 61
FAX
FAX
Service
(0 86 69) 31-12 72
TNC-Service (0 86 69) 31-14 46
(0 86 69) 98 99
