Open Collector Output Wiring
The ZSD sensors have open collector outputs. An open collector output
brings the uncommitted collector of the encoder switching device to the
external world. Because the collector element is not associated with the sensor
supply voltage, the sensor output collector may be “pulled up” to external
voltages (30 VDC max.) different than the encoder supply voltage. NPN open
collector outputs are current sinking devices. An output signal will not be
generated unless a pull-up resistor is connected from the open-collector to the
positive side of an external supply. The same supply can be used for powering
the unit and for the pull-up resistor.
SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
1. SUPPLY VOLTAGE: 4.75 to 28 VDC, 100 mA max. with no output load
2. OUTPUTS: NPN Open Collector Transistor, V
OH
= 30 VDC max.; 20 mA
max. current. Incremental - Two square waves in quadrature with Channel A
leading Channel B for clockwise rotation.
3. MAX. FREQUENCY: 200 KHz
4. INDEX: NPN Open Collector Transistor, V
OH
= 30 VDC max.; 20 mA
max. current. Once per revolution centered over Output Channel A. Index is
a positive going pulse.
5. NOISE IMMUNITY: Tested to BS EN61000-6-2; BS EN50081-2;
BS EN61000-4-2; BS EN61000-4-3; BS EN61000-4-6; BS EN500811
6. SYMMETRY: 180° (±18°) electrical
7. QUAD PHASING: 90° (±22.5°) electrical
8. MIN EDGE SEP: 67.5° electrical
9. ACCURACY: Within 0.017° mechanical or 1 arc minute from true
position (for PPR>189)
MECHANICAL SPECIFICATIONS
1. MAXIMUM MECHANICAL SPEED: 8000 RPM
2. SHAFT SIZE: 0.25" (6.33 mm)
3. RADIAL SHAFT LOAD: 5 lbs. max. (2.25 kg)
4. AXIAL SHAFT LOAD: 5 lbs. max. (2.25 kg)
5. STARTING TORQUE: 0.4 oz-in. (2.82 N-mm)
6. MOMENT OF INERTIA: 6.7 x 10
-5
oz-in-sec
2
(4.8 gm-cm
2
)
7. ELECTRICAL CONNECTION: 36" (914.4 mm) cable. 24 AWG foil
and braid shield.
8. WEIGHT: 3 oz. (85.0 g)
ENVIRONMENTAL SPECIFICATIONS
1. OPERATING TEMPERATURE: -20°C to 85°C
2. STORAGE TEMPERATURE: -25°C to +85°C
3. HUMIDITY: 98% RH non-condensing
4. VIBRATION: 10 g @ 58 to 500 Hz
5. SHOCK: 80 g @ 11 msec duration
6. SEALING: IP64
MODEL ZSD - 0.25" SHAFT STANDARD SERVO MOUNT ROTARY PULSE
GENERATOR
CABLE LENGTH
36 (914.4) STANDARD
M3 0.18 (4.57) DEEP
3X 120° Ø1.102 (28.00) B.C.
∅0.7870
+0.0000
-0.0005
(
∅19.990
+0.000
-0.013
)
0.020 (0.51)
Ø0.2498
+0.0000
-0.0004
(
6.34
+0.00
-0.01
)
0.158 (4.01)
0.76 (19.3)
1.5
(38)
0.100 (2.54)
0.312 (7.92)
0.500 (12.70)
DIMENSIONS In inches (mm)
MODEL NO. PPR PART NUMBER
ZSD
0.25" Shaft
Standard Servo Mount
Rotary Pulse Generators
1000
60
ZSD1000A
ZSD0060A
1200
100
ZSD1200A
ZSD0100A
2500
600
2000
500
ZSD2500A
ZSD0600A
ZSD2000A
ZSD0500A
DESCRIPTION
ORDERING INFORMATION
Bulletin No. ZSD-A
Drawing No. LP0736
Released 08/11
Tel +1 (717) 767-6511
Fax +1 (717) 764-0839
www.redlion.net
GENERAL DESCRIPTION
The Model ZSD encoder is ideal for applications requiring a miniature, high
precision, low cost encoder, designed with all metal construction for years of
trouble-free operation.
The NPN Open Collector outputs are each current limited to 20 mA. The
outputs are standard quadrature with index, available in resolutions up to 2500
pulses per shaft revolution. The quadrature separation is typically 90 electrical
degrees. Output A leads output B for clockwise rotation of the encoder shaft.
Only factory stocked part numbers are listed. Consult the factory for part number
and availability of other PPR and output configurations.
WIRE COLOR
Red
FUNCTION
+VDC
BlackCommon
WhiteData A
GreenData B
OrangeIndex Z
ACCESSORIES
RPGFC002Flexible Coupling (1" Length) 0.25" - 0.375"
RPGFC001Flexible Coupling (1" Length) 0.25" - 0.25"
PART NUMBERDESCRIPTIONMODEL NO.
RPGFC005Flexible Coupling (1" Length) 0.25" - 6 mm
RPGFC
(1 pages)
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