Specifications
Hercules Encoders
Mechanical
Shaft Speed
Shaft Direction
Standard Shaft Sizes
Shaft Extension(s)
Shaft Seals
6000 RPM maximum
Bidirectional
.3747'', .4997"
Std 0.875", .50 x .05" flat
Series N25
Heavy Duty Incremental Rotary Shaft Encoder
Neoprene or PTFE Options
Refer to dimensional drawings
.5000" ID ABEC 5 Spindle
90 lbs. Operating
Mounting
Bearings
Radial Loading
Axial Loading
Accuracy
45 lbs. Operating
º
+0.1 of Shaft Rotation Typical
• Enclosure: N25-2.5'' Dia. NEMA 4 type Sealing
Servo, Flush or Flanged Mounting
Housing
Weight (N25)
Connector
Black Anodized Aluminum
22 oz.
6, 7, 10 Pin MS3102E or 18" Cable Out
• Vibration-resistant Anti-Jitter Circuitry, Shatterproof
Metal Code Discs
Electrical
Pulse Rate
Outputs
15 kHz typical, up to 200 kHz available
NPN w/ 3.3K pullup or open collector
PNP sourcing
• Shielded ABEC 5 Stainless Steel Spindle Bearings,
Standard and Self-Mounting options
Line Driver (with complementary outputs)
Output Ratings
• Low Supply Current Requirement - 30 milliamps
typical per encoder, maximum of 50 mA
Open Collector Transistor
Line Drivers 8-15 Vdc
5 Vdc TTL
40 Vdc maximum
15 Vdc maximum
5.5 Vdc maximum
Supply Voltage
8 to 28 Vdc
5 Vdc TTL output
30 mA typical, 50 mA maximum
250 mA maximum
• Operating Voltage Flexibility - 8 to 28 Vdc or 5 Vdc
TTL Output, 5V or 8 - 15V with Line Driver
Supply Current, per channel
Current Sinking
• Operating Temperature Rating designed for
Output Duty Cycle
50/50 w/ +20% typical tolerance
Tighter to +5% by spec
5-10 µsec or 25-35 µsec
1 µsec typical, other options available
º
º
º
º
extremes, from -40 to +85 C (-40 to +185 F)
Pulsed Outputs
Rise/Fall Times
See Wiring Diagrams for Pin Outs
Environmental
Operating Temp.
Shock
º
º
º
º
-40 to +85 C (-40 to +185 F)
50 g’s for 11 Milliseconds
Vibration
5 to 2000 Hertz at 20 g’s
Humidity
100% Relative Humidity
Enclosures (Sealed)
NEMA 4X equiv. — Water-tight
Electrical Connections
Function
+V
6 Pin
7 Pin
D
F
10 Pin
D
F
A
B
H
I
Cable Out
Color
Red
Black
Blue
Brown
White
Green
White
Green
B
D
F
A
B
E
G
C
G
Common
Channel A
Channel B
Channel A
Channel B
Index
A
D
E
C
A
B
E
G
C
G
F
C or E*
F
C
J
Index
* C is standard; for outputs “KI” or “LI” (line driver with index), index pin is E
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www.herculesencoders.com