HEIDENHAIN ND 286 - Manual (Page 10)

Rear Panel
Input for HEIDENHAIN linear encoder with
square-wave output signals (TTL),
connecting cable max. 50 m (164 ft),
minimum edge separation 175 ns
Ground connection
D-sub connection
EXT
Power switch
X1
X33 (BCD) X41 (EXT)
100 ... 240 V
50 ... 60 Hz
BCD
interface
172 ± 0.2
6.77 ± .008"
140
± 0.2
5.51
± .008"
Danger to internal components!
Do not engage or disengage any connections while the unit is under power.
Use only original replacement fuses.
Danger of electrical shock!
Unplug the power cord before opening the housing. Connect a protective
ground. This connection must never be interrupted.
DR. JOHANNES HEIDENHAIN GmbH
Dr.-Johannes-Heidenhain-Straße 5
D-83301 Traunreut, Deutschland
(0 86 69) 31-0 . 56 832
(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
Tx
The X1, X33 and X41 interfaces comply with EN 50 178
recommendations for separation from line power.
Power Supply and Connection
Ambient Conditions
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
)
Installation
The display unit can be mounted to a flat surface with
M4 screws (see illustration at right).
Display units can also be stacked. Adhesive inserts
(included in delivery) prevent them from sliding.
278 530 26 · SW 246 115 05 · 2 · 10/97 · H · Printed in Germany · Subject to change without notice
Primary-clocked power supply.
Voltage range 100 V to 240 V (–15% to +10 %) Frequency 48 Hz to 62 Hz
Power consumption typ. 8 W Line fuse F 1 A (in unit)
Minimum cross-section of power cable: 0.75 mm
2
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 1.5 kg