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PRAS21 数据表(PDF) 35 Page - ASM GmbH

部件名 PRAS21
功能描述  Angle Sensors and Encoders Contents
PDF  52 Pages
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制造商  ASM-SENSOR [ASM GmbH]
网页  http://www.asm-sensor.com
标志 ASM-SENSOR - ASM GmbH

PRAS21 数据表(HTML) 35 Page - ASM GmbH

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ASM
CAT-PR/PT-E-07
35
www.asm-sensor.com
Specifications
Output
Incremental encoder output A/B with differential
push-pull output, TTL/4 V-, TTL/RS-4-
or HTL-compatible
Excitation voltage
10 ... 30 V DC or 5 V DC ±5 %
Excitation current
50 mA to 300 mA, depending on pulse frequency,
cable length and load
Magnetic period of the sensor
 mm
5 mm
Guided spacing between sensor and wheel x
Z
0,1 ... 0,8 mm
0,1 ...  mm
Side tracking tolerance of the sensor
±1 mm
±1 mm
Linearity (sensor with magnetic wheel PMIR4)
±0.1°
±0.1°
Repeatability
±1 digit
±1 digit
Maximum pulse frequency f
P
50, 20, 10 kHz (standard 50 kHz, max. 480 kHz)
Output signals
A, A, B, B, signal Z, Z, status signal ERR
Material of housing
Zinc die casting
Connection
Cable 8 wire, dia. 5 mm, open cable end.
15 pin SUB-D conn. at the cable end as option.
Max. length of the integrated sensor cable:
output TTL: 3 m; HTL/TTL24V: 20 m
Weight (w/o cable and connector)
30 ±5 g
Protection class (EN 6059)
IP67
Environmental
EMC
DIN EN 6136
Temperature
-40 ... +85 °C (-40 ... +185 °F)
The subsequent counting device must be able to process the specified maximum pulse frequency
of the sensor.
Output signals
Saturation voltage
UH, UL = 0.2 V
I
out = ±10 mA
(UH = UB - U
out)
UH, UL = 0.4 V
I
out = ±30 mA
C
last < 10 nF
Short circuit current
ISL, ISH < 800 mA
(UH, UL = 0 V)
ISL, ISH < 90 mA
(UH, UL = 1.5 V)
Rise time
t
r, tf < 00 ns
with cable length 1 m, 10 % … 90 %
Pulse frequency in
dependence on
the cable length
Load/cable length
Load/pulse frequency fp
HTL single ended
UB = 4 V
TTL/RS422 differential
UB = 5 V *
TTL/24 V
UB = 4 V
Max. output current
50 mA
50 mA
10 mA
R
last min.
500 Ω
100 Ω
500 Ω
C
last max.
10 nF
10 nF
1 nF
00 m
15 kHz
—
—
100 m
25 kHz
100 kHz
—
50 m
50 kHz
200 kHz
50 kHz
10 m
100 kHz
300 kHz
100 kHz
* = consider the voltage loss of the cable; the excitation voltage 5 V ± 5% of the sensor must be
guaranteed.
Note: For longer distances (see specification above) you must use min. 0.5 mm wire for „Excitation+“
and „Excitation GND“ (see signal wiring next page), all signal wires must be min. 0.14 mm!
POSIROT ®  
PMIS4
Magnetic incremental encoder



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