Dynapar SERIES AI25 SSI Data Sheet
INDUSTRIAL DUTY
SERIES AI25
SSI
Absolute Encoder
Key Features
• Up to 17 Bit True Singleturn Positioning
• Onboard Diagnostics
• SSI Interface
E321846
SPECIFICATIONS
STANDARD OPERATING CHARACTERISTICS
Single-turn Resolution: 10, 12, 13, 14, 17 Bit
Multi-turn Resolution: 12 bit (only available with
12 or 13 bit ST resolution)
Linearity: +/- 1/2 LSB
Absolute Accuracy: ± 0.01° mechanical (36 arc-
sec.)
Repeatability: ± 0.002° mechanical (7.2 arc-sec.)
Code format: Binary, Gray, Gray Excess,
parameterization through
Parameterization: Resolution code type, sense of
rotation, warning, alarm
Electrical
Connection: Cable, M23 - 12 pole Conin
connector, M12- 8-pole connector
Supply voltage: 5 VDC -5%/+10% or 10-30 VDC
Intrinsic current consumption: 50 mA (ST),
100 mA (MT) not including output current
Output current: 60 mA per bit, short circuit
protected
Frequency response: 500 kHz
Maximum cable length: 400 m
Control Inputs: Direction
Alarm output: Alarm bit
Status LED: Green = OK, Red = Alarm (IP64 only)
Preset Switch: Sets encoder to zero output at
present mechanical position (IP64 only)
AcuroSoft
MECHANICAL
Shaft diameter:
Shaft: 6 mm (Servo Mount), 10 mm (Clamping
Mount), 3/8" (Square Flange Mount)
Hubshaft: 10mm, 12 mm, 3/8", 1/2"
Maximum shaft load:
6 mm shaft: 13 lb axial, 24 lb radial
10 mm shaft: 24 lb axial, 35 lb radial
Maximum shaft speed: 10,000 RPM (continuous), 12,000 RPM (peak)
Starting torque: < 1.4 in-oz
Weight (approx.): 350 g ST, 400 g MT
Shaft tolerance (hubshaft only): +/- 1.5 mm
axial, +/- 0.2 mm radial
Flange configurations: Square, Clamp, Servo,
Hubshaft with flexible tether
Bearing life:
1 x 1010 revolutions at 35% full rated shaft load
1 x 109 revolutions at 75% full rated shaft load
1 x 108 revolutions at 100% full rated shaft load
ENVIRONMENTAL
Operating Temperature: -40 to 100° C
Storage Temperature: -40 to 100° C
Enclosure Rating: IP64 or IP67
Shock: 1,000 m/s2 (6 ms)
Vibration: 100 m/s2 (10 to 2,000 Hz)
2.76
INDUSTRIAL DUTY
2.1mm
0.08in
Length (L)
23mm
0.91in
17.5mm
0.69in
9.0mm
0.35in
by
SERIES AI25
Ordering Information
To order, complete the model number with code numbers from the table below:
Code 1: Model Code 2: Bits Code 3 :Mounting Code 4: Shaft Size Code 5: Protocol Code 6: Electrical Code 7: Connector
AI25
AI25
Size25
Acuro
Absolute
Encoder
Single-Turn
0010 10 Bit
0012 12 Bit
0013 13 Bit
0014 14 Bit
0017 17 Bit
Multi-Turn
1212 12 Bit Multi-
Turn, 12 Bit
Single-Turn
1213 12 Bit Multi-
Turn, 13 Bit
Single-Turn
Available when
Code 4 is 0 or A
0 Servo*
Available when
Code 4 is 2 or C
1 Clamping*
Available when
Code 4 is 1 or B
2 Square
flange**
Available when
Code 4 is 3, 4,
5 or 6
3 Hubshaft
w/tether†
* 58mm Dia.
** 2.5" Square
† 63mm BC
w/o shaft seal (IP64)
0 6 mm
1 3/8"
2 10 mm
3 3/8" Hub Shaft
4 12 mm Hubshaft
5 1/2" Hubshaft
6 10 mm Hub Shaft
w/ shaft seal (IP67)
A 6 mm
B 3/8"
C 10 mm
2 SSI Gray
3 SSI Binary
0 5 VDC
2 10-30 VDC
0 1.5m axial cable
1 1.5m radial cable
2 M23 Conin
12 pin axial CW
3 M23 Conin
12 pin radial CW
4 M23 CCW axial
5 M23 CCW Radial
C M12 , 8-pole
connector axial
D M12 , 8-pole
connector radial
DIMENSIONS
Ø42 ±0.1mm
1.650.004in
M4x5
0
Servo
Mounting
3/8in Dia. Shaft
2
Surface
7.5mm
0.30in
Ø31.75mm
1.25in
19.5mm ±0.3
0.77in ±0.01
Square Flange
120
°
7mm
0.28in
58mm
2.28in
10mm
0.39in
6mm
4mm
0.16in
63.5mm
2.5in
52.4mm
2.06in
3mm
0.12in
Code 3: Mounting
Mounting
Surface
3mm
0.12in
63.5mm
2.5in
52.4mm
2.06in
Ø5.6mm
0.22in
Code 7: Connector
Ø48
1
Clamping
Mounting
Surface
Hubshaft w/Tether
3
Hubshaft w/Tether
±0.1mm
Ø1.89 ±0.004in
°
45
°
20
Note: two M3
set screws in colar
around hub shaft
(will not mar shaft)
Hubshaft Shaft Engagement
3
HubShaft Min. Shaft Max. Shaft
Diameter Length Length
10mm, 3/8" 15mm (0.59") 20mm (0.79")
12mm, 1/2" 18mm (0.71") 20mm (0.79")
M4x5
120
120
°
M3x5
10mm
10mm
3mm
0.12in
0.39in
19.27mm
0.76in
Diameter
9mm
0.35in
15mm
0.59in
Ø36mm
Ø1.42in
Radial Connector
Area (if used). See
Connection Diag.
Mounting
Surface
°
Length (L)
Mounting
Surface
0, 1
2 1,5M Cables
Ø57mm
Ø2.24in
2.1mm
0.08in
Location of
Status LED and
Preset Switch on
models with IP64 sealing
15mm
0.59in
13mm
0.51in
R
14.8mm
0.58in
Ø8.5mm
Ø0.33in
Cables shown in
Axial and Radial
Placement
Location of Status LED
and Preset Sw on models
with IP64 sealing
2.24in
Ø57mm
Mounting
Surface
Conin 12 Pin Connector
2, 3
Connectors shown
in Axial and Radial
Placement
Length (L)
Ø57mm
Ø2.24in
Mounting
Surface
17.5mm
0.69in
M12, 8-pole Connector
C, D
Location of Status LED
and Preset Sw on models
with IP64 sealing
9.0mm
0.35in
Connectors shown
19.9mm
in Axial and Radial
0.78in
Placement
Length (L) Mounting Surface to
RearFor connector and cable types
Mount (Code 3) Single-Turn Multi-Turn
(0) Servo 46.5/1.83 46.5/1.83
(1) Clamping 45.5/1.79 45.5/1.79
(2) Square Flng 45.5/1.79 45.5/1.79
(3) Hubshaft 53.4/2.1 53.4/2.1
2.77
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