Hollow Shaft Encoder - HRL Series
HRL - Hollow Shaft that fits up to 1" (25mm) diameter shaft

The model HRL is an optical hollow shaft encoder with up to a 1" / 25mm blind shaft bore in a heavy duty aluminum style housing that mounts directly on an existing shaft assembly. A flexible mounting bracket or tether allows the encoder to float on the shaft without rotating. The HRL generates up to 3 square wave outputs.

Standard Features and Options:
•  10-foot / 3-meter cable included at no extra charge
•  CE Marked
•  Surge protection available
•  Short circuit and ESD protected

MECHANICAL

• Weight: 16.8 oz. (477 grams)
• Maximum speed: 6,000 rpm
• Shaft Loading:
  • Radial: 25 lb. (11.3 kg.) max.
  • Axial: 15 lb. (6.8 kg.) max.
• Bearing Life (L₁₀): 36 x 10⁶/RPM = hours
• Materials:
•  Case: 1/4" Aluminum, anodized
• Shaft: Aluminum
• Transistor output (5 pin): MS3102A-14S-5P
• Line driver output (6 pin): MS3102A-14S-6P
• 5 Pin: MS3106A-14S-5S 
• 6 Pin: MS3106A-14S-6S
• Case Ground: The cable shield is connected via the connector shell to the encoder housing.
  Note: 10' (3m) cable supplied at no extra charge. CE marking requires a Photocraft cable, and the surge protection option if the cable exceeds 100' (30m) or leaves the building.
• Connector:
• Mating Connector:

ELECTRICAL

• Power Input (specify voltage when ordering):

• (1) Others available on special order
• (2) See output circuit figure 1 below
• (3) R is removed for open collector
  • Current: SO rna max (no load) 100 rna max (line driver)
  • Ripple: 2% max
  • Regulation: ±5%
  • Reverse polarity protected (except for Svdc)

• Operating temperature: 0° to 70° C
• Pulse Rate: 0 - 30 kHz
• Pulses per Revolution: 1 to 1200. (Specify when ordering)

• Output Circuit (figure 1, specify when ordering):
  • Current sinking NPN transistor with pull-up resistor (50 ma max)
  • Current sinking NPN open collector (50 ma, 30 vdc max)
  • Current sourcing PNP with pull-down resistor (50 ma max)
  • RS422 differential line driver (MC3487 device; must be ordered with 5, 5R or 8-30 Supply Voltage)
• Output Waveshape: (See Figure 2) 
  Square wave; outputs A and Bare SO/SO duty cycle nominal; output Z (index output) is approximately the width of one cycle on outputs A or B.
• Pulse symmetry(A): 180° ±30%
• Pulse interval jitter(B): 30%max.
• Quadrature(C}: 90°±30% max.
• Phase jitter(D): 30% max.
• Index pulse(E)

ELECTRICAL CONNECTIONS

• NPN or PNP Transistor Outputs:

*Output Z is green if Output B is not used.

• Line Driver Outputs:

Popular Models:

HRL.625-436/8-30C M162 M164
HRL1-168/5 M180
HRL1-360/24
HRL1Q-200/12C