Hercules Encoders
Specifications
Mechanical
Shaft Speed Shaft Direction Standard Shaft Sizes Shaft Extension(s) Shaft Seals Mounting Bearings Radial Loading Axial Loading Accuracy Housing Weight (N25) Connector 6000 RPM maximum Bidirectional .3747'', .4997" Std 0.875", .50 x .05" flat Neoprene or PTFE Options Refer to dimensional drawings .5000" ID ABEC 5 Spindle 90 lbs. Operating 45 lbs. Operating +0.1º of Shaft Rotation Typical Black Anodized Aluminum 22 oz. 6, 7, 10 Pin MS3102E or 18" Cable Out
Series N25
Heavy Duty Incremental Rotary Shaft Encoder
• Enclosure: N25-2.5'' Dia. NEMA 4 type Sealing Servo, Flush or Flanged Mounting • Vibration-resistant Anti-Jitter Circuitry, Shatterproof Metal Code Discs • Shielded ABEC 5 Stainless Steel Spindle Bearings, Standard and Self-Mounting options • Low Supply Current Requirement - 30 milliamps typical per encoder, maximum of 50 mA • Operating Voltage Flexibility - 8 to 28 Vdc or 5 Vdc TTL Output, 5V or 8 - 15V with Line Driver • Operating Temperature Rating designed for extremes, from -40º to +85º C (-40º to +185º F)
Electrical
Pulse Rate Outputs 15 kHz typical, up to 200 kHz available NPN w/ 3.3K pullup or open collector PNP sourcing Line Driver (with complementary outputs)
40 Vdc maximum 15 Vdc maximum 5.5 Vdc maximum 8 to 28 Vdc 5 Vdc TTL output Supply Current, per channel 30 mA typical, 50 mA maximum Current Sinking 250 mA maximum Output Duty Cycle 50/50 w/ +20% typical tolerance Tighter to +5% by spec Pulsed Outputs 5-10 µsec or 25-35 µsec Rise/Fall Times 1 µsec typical, other options available See Wiring Diagrams for Pin Outs
Output Ratings Open Collector Transistor Line Drivers 8-15 Vdc 5 Vdc TTL Supply Voltage
Environmental
Operating Temp. Shock Vibration Humidity Enclosures (Sealed) -40º to +85º C (-40º to +185º F) 50 g’s for 11 Milliseconds 5 to 2000 Hertz at 20 g’s 100% Relative Humidity NEMA 4X equiv. — Water-tight
Electrical Connections
Function +V Common Channel A Channel B Channel A Channel B Index Index 6 Pin B A D E C F C or E* F 7 Pin D F A B E G C G 10 Pin D F A B H I C J Cable Out D F A B E G C G Color Red Black Blue Brown White Green White Green
* C is standard; for outputs “KI” or “LI” (line driver with index), index pin is E
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Dimensional Drawings
Series N25 Standard
Wire Drawings
Ordering Information
Size N25SA=Sealed (Elastomer) N25TA=Sealed (PTFE) Mounting Style 1=Flush mount 3=Flange mount Shaft Style 1=3/8" Standard Shaft 2=1/2" Standard Shaft
N25SA
—
112
-—
A Q 0600
—
AI
Index Channel (same types as Channel Outputs)
Connector Style 1=6 Pin rear mounted 2= 6 Pin side mounted 3= 7 Pin rear mounted 4= 7 Pin side mounted 5=10 Pin rear mounted 6=10 Pin side mounted 7=Cable rear mounted 8=Cable side mounted
Channel Outputs (All outputs available with complementary outputs) A=NPN w/Pullup Res. B=NPN Open Collector F=5Vdc w/Pullup Res. G=5Vdc Open Collector H=PNP Sourcing Output K=5Vdc Line Driver L=8 to 15 Vdc Line Driver
Channel Types Q=Quadrature Outputs P=1st Output CW Pulses 2nd Output CCW Pulses U=1st Output Pulse Train 2nd Output Logic High For CW Rotation, Low For CCW Rotation I=Index Pulse
PPR Channel Types “U” “P” & “Q” 0090 0093 0125 0128 0180 0186 0250 0256 0360 0372 0500 0512 0720 1000 1024 If ”P” or “U” add (Square Wave) 2000 2048 1440 If “P” or “U” add (Pulsed) 4096 4000 1488
Consult factory for PPR not listed
