Rockwell Automation 845P Incremental Encoder - Manual

Obsolete
Installation Instructions
Size 15 Incremental Encoder, Bulletin 845P
IMPORTANT: SAVE THESE INSTRUCTIONS FOR FUTURE USE.
Specifications
Electrical
Code Format Incremental, 2 channels with zero index
Quadrature 90° ±36°
Channel A leads B CCW
Symmetry 50% ±10%
Zero Index Channel 1/2 cycle, gated to channel B
Power
Requirements
5V DC ±5% @ 90mA maximum
Frequency
Response
100 kHz
Operating Speed
(Data)
(100 kHz x 60)/pulses per revolution = RPM or
5000 RPM, whichever is lower
Resolution 500 or 1000 PPR on code disk
Output Drive
Capability
Differential line driver = ±20 mA
Mechanical
Starting Torque 0.9inĆoz typical [0.006 NDm]
Running Torque 0.15inĆoz typical [0.001 NDm]
Slew Speed 5000 RPM
Shaft Loading Axial 2.5 lbs [11 N]
Radial 5.0 lbs [22 N]
Shaft Size 1/4in [6.4mm] diameter
Environmental
Housing NEMA Type 1
Temperature +32°F to +140°F (0°C to +60°C) Ċ operating
-13°F to +194°F (-25°C to +90°C) Ċ storage
Humidity 85%, noncondensing
Shock 50 G's (11ms duration)
Vibration 20 G's (5 to 2000 Hz)
Approximate
Shipping Weight
12oz (0.34 kg)
Accessories
Description Part Number
High Performance Flexible Coupling 845-FC-*-*
Servo Clamps 845-SC
Differential Encoder Buffer Board 845-BB
*See the Rockwell Automation/AllenĆBradley Sensor catalog for selection.
ATTENTION: The shielded cables, output devices,
and power supplies must be properly grounded. All
National Electric Code and applicable local codes
and ordinances must be observed when wiring the
system.
Selection
845P — S H C 1 4 — CN 3
a
DIFFER
a
Resolution
Code Description (PPR)
500 CM
1000 CN
Differential Line Drive Output
90 +/- 36°
Channel A
Channel A
Channel B
Channel B
Channel Z
Channel Z
1 Cycle
(CCW Rotation Shown)
Cable
Differential Line Driver Output
Wire Color Function
White DC+ Input (5V DC)
Black DC Return
Red Channel A
Violet Channel A
Green Channel B
Blue Channel B
Yellow Channel Z
Orange Channel Z
Shield Floating