HEIDENHAIN NPD 281 v.3 - Manual (Page 41)

41
Specifications
Noise immunity As per IEC 801-4, intensity 4
Protection IP40 according to IEC 529
Encoder inputs For encoders with sinusoidal
output signals (11 µA
PP
/1 V
PP
);
Reference mark evaluation for
distance-coded and single
reference marks
Input frequency ND 281 A/NDP 281 11 µA
PP
:
100 kHz max. for 30 m cable length
ND 281 V
1 V
PP
:
300 kHz max. for 60 m cable length
Display step Adjustable
(see “Linear Encoders”)
Datum points Two
Functions • Series of measurements
• Sorting and tolerance checking
• Switching and sorting signals
• Set display and reset display to
zero with external signal
• Measured value output
RS-232-C/V.24 Baud rates:
Interface 110, 150, 300, 600, 1200, 2400,
4800, 9600 baud
Specifications
Housing ND 281
Bench-top design,
cast-metal housing
239
•
84.6
•
224 mm (W
•
H
•
D)
NDP 281
For panel mounting using supplied
mounting frame,
cast-metal housing
281
•
110
•
196 mm (W
•
H
•
D)
Operating temperature 0° to 45° C (32° to 113° F)
Storage temperature –30° C to 70° C (–22° to 158° F)
Weight Approx. 1.5 kg
Relative humidity < 75 % annual average
< 90 % in rare cases
Power supply Primary-clocked power supply
100 V to 240 V (–15% to +10%)
48 Hz to 62 Hz
Line fuse F 1 A inside the housing
Power consumption Typ. 8 W
Electromagnetic
compatibility
Class B according to EN 55022