Dynapar SERIES F21 Data Sheet

SERVO DUTY
SERIES F21
For Stepper & Small Servo Motors
Key Features
Digital Encoder with Flex Servo Ring easily Replaces Size 21 Resolver
Short Mounting Depth with Jam Nut Shaft Fixing makes Installation Easy
Up to 2048PPR with Commutation Channels
Dynapar
SPECIFICATIONS
STANDARD OPERATING CHARACTERISTICS
Code: Incremental with commutation option,
Optical Resolution: 1024 or 2048 PPR incremental with 8 or 10 pole commutation channels
Accuracy: Incremental: ±2.5 arc-mins. max. edge to any edge; Commutation: ±6 arc-mins.
max. Phasing for CCW rotation of motor shaft :
A leads B by 90° and U leads V leads W by 120 °.
Minimum edge separation A to B is 45°. Index to U channel: +/- 1° mech. index pulse
center to U channel rising edge.
Index Pulse Width: 90° gated A and B high
ELECTRICAL
Input Power Requirements: 5±10% VDC at 100
mA max (incremental and commutation), excluding output load
Output Signals: Incremental: 26LS31 Differential Line Driver,
sink / source 40 mA max. Commutation: Open Collector w/2.0 k pull- ups, 8 mA sink max.; or 26LS31 Differential Line Driver, sink / source 40 mA max.
Frequency Response: 300 kHz, max. Termination: Flying leads, stranded 26 AWG,
twisted pair, PVC insulation, 6.5 length ±0.5
MECHANICAL
Weight: 3.5 oz. (90 gm) typ. Dimensions: Outside Diameter : 2.062"
(52.4mm), max.; Height: 1.01 (25.65mm), max. Material: Housing: cast-aluminum;
Servo Ring: glass reinforced engineering resin; Hub: Brass; Disk: 0.030" (0.76mm) thick glass
Moment of Inertia: 2.66X10-4 in-oz-sec. (18.8 gm-cm2)
Bore Diameter: 0.50 (12.7mm) Bore Dia. Tolerance: +0.001"/-0.000" (+0.025
mm/-0.000 mm) Mating Shaft Runout: 0.002" (0.05 mm) max.
(Includes shaft perpendicularity to mounting surface)
Mating Shaft Axial movement: ±0.010" (±0.25 mm), max.
Mounting: 2.047” (51.99mm) servo ring with integral flexure (size 21 pancake resolver equivalent)
Acceleration: 100,000 rad/sec.2 max. Velocity: 5,000 RPM continuous; 12,000 RPM
peak Bearing Life:[(3.6 X 109) / RPM] Hours ; e.g.
605,000 hours @6,000 RPM
2
ENVIRONMENTAL
Operating Temperature: 0° to +120°C Storage Temperature: 0° to +120°C Shock: 50 Gs for 6 msec duration Vibration: 2.5 Gs at 5 to 2000 Hz Relative Humidity: 90% non-condensing
Servo ring mounting with integral flexure is size 21 pancake resolver equivalent
3.36
by
SERIES F21
Dimensions
2.049 52.04
Ø
2.045 51.94
Connections Waveforms
SERVO DUTY
Cable Wire Color
RED
BLACK
BLUE/BLACK
BLUE
GREEN/BLACK
GREEN
VIOLET/BLACK
VIOLET
BROWN/BLACK
BROWN
GRAY/BLACK
GRAY
WHITE/BLACK
WHITE
Function*
VCC GND
A
A
B
B
Z
Z
U
U
V
V
W
W
* Function availability dependant on Model
Waveforms below show relationship between CH. Z, U, V & W (scale differs from above)
Code 1: Model
F21
F21 Size 21
Commutating Encoder
Ordering Information
To order, complete the model number with code numbers from the table below:
Code 2: PPR, Poles
/
Incremental channels only
1024/0 2048/0
Incremental plus
Commutation channels
Note: C= 10 poles.
1024/8
Consult factory for
2048/8
other configurations
1024/C 2048/C
Code 3: Mount
0
Ordering Information
0 Servo mount
2.047 Diameter x.090 thick
Code 4: Electrical
Available when Code 2 is XXXX/0
3 5V in, line driver out
incremental only
Available when Code 2 is XXXX/8 or C
6 5V in, line driver out for
incremental; 5V in, open collector out for commutation
9 5V in, line driver out for
incremental; 5V in, line driver out for commutation
Code 5: Shaft/Bore
3
3 1/2 in. thru bore
Code 6: Termination
0
0 6.5" ±0.5
Twisted Pair Flying Leads
3.37
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