!
VARIOUS PULSE PER REVOLUTION (PPR)
RATES
Up to 200 PPR for fine, high-resolution counting or
precision speed measurement from slow shaft speeds.
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UP TO 10 KHz OUTPUT FREQUENCY
!
CURRENT SINK OUTPUT
!
MODEL LSC AVAILABLE WITH:
Single or Dual Ended Shaft
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SEALED PRECISION BALL BEARINGS
!
RUGGED CAST ALUMINUM HOUSING
DESCRIPTION
The RPGC and LSC are rugged, incremental encoders that convert shaft
rotation into a current sinking pulse train.
Internally, a single L.E.D. light source and a photologic sensor in conjunction
with a shaft-mounted, durable, metal-etched encoder disc, provides signal
accuracy and reliability to 10 KHz. The DC input power supply requirement is
a versatile +8 to +35 VDC, and is reverse polarity protected. The NPN Open
Collector Transistor Output is current limited to 40 mA and is compatible with
most RLC counters, rate indicators, controllers and accessories.
All units are packaged in a rugged cast aluminum housing with a gasketed,
rear aluminum cover. The 3/8" (9.53 mm) diameter heavy duty stainless steel
shaft and sealed, lifetime-lubricated precision ball bearings are preloaded for
minimum end play and rated for continuous use up to 6000 RPM. The RPGC
and LSCS are designed to meet NEMA 13/IP54 environmental requirements.
All units are supplied with 10 feet (3M) of PVC jacketed 3-wire, 22 AWG cable
with stranded shield wire and 100% foil shield coverage. Operating
Temperature range is -18°C to +60°C.
MODEL RPGC
The RPGC can be direct-coupled to a machine shaft by means of a flexible
bellows, spring or rubber sleeve type coupler, etc., that allows for axial and radial
misalignment. They can also be coupled with instrument timing belts and pulleys
or gears. The housing may be rigidly face-mounted with the 4, #8-32 threaded
holes. The RPGC’s 3-wire shielded cable exits through a cord connector.
MODEL LSC
The LSC is available in both Single Ended Shaft (LSCS) and Double Ended
Shaft (LSCD) versions, both of which include a Stainless Steel Handle Tube for
mounting and 10 feet (3.05 M) of 3-wire shielded cable. When mounted to a
Length Sensor Hinge Clamp Assembly (See Model LSAHC001) and coupled
with one or two Measuring Wheels (See Measuring Wheels), a low cost,
versatile and highly accurate length measurement system can be configured.
MODEL RPGC - SINGLE CHANNEL OUTPUT ROTARY PULSE GENERATOR
MODEL LSC - SINGLE CHANNEL OUTPUT LENGTH SENSOR
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3/8" DIA. STAINLESS STEEL SHAFT
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WIDE INPUT SUPPLY VOLTAGE RANGE &
LOW CURRENT OPERATION
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EASY INSTALLATION
Eliminates air-gap, sensing distance, and beam
alignment procedures of other types of sensing.
!
IDEAL FOR DUSTY, DIRTY ENVIRONMENTS
Where “Non Contact” sensing means are impractical.
RPGC DIMENSIONS In inches (mm)
RPGC ORDERING INFORMATION
LENGTH SENSOR MEASUREMENT ACCURACY
Factors which affect measurement accuracy include Measuring Wheel
accuracy and wear, and material conditions. Ideally, materials which are hard,
thin and strong provide good readings. Conversely, soft, thick and elastic
materials can present problems in obtaining true readings. The great majority of
these situations, where this effect is consistent, can be compensated for by
applying a multiplier to the output pulse train so as to obtain a corrected
measurement. Count or Rate Indicators with “input scaling” can compensate
for Measuring Wheel wear and material elasticity and compliance errors. In
addition, English/Metric conversions may also be accomplished (See RLC
catalog for more information).
Bulletin No. RPG/LSC-M
Drawing No. LP0212
Released 3/03
Tel +1 (717) 767-6511
Fax +1 (717) 764-0839
www.redlion-controls.com
1
MODEL NO. DESCRIPTION PPR PART NUMBER
*200
1 RPGC0001
--
10 RPGC0010
12 RPGC0012
RPGC Rotary Pulse Generator 60 RPGC0060
RPGFC002
--
100 RPGC0100
Flexible Coupling (1" Length) 0.375" - 0.375"
RPGFC
*120 RPGC0120
RPGFC003
RPGC0200
* RPG’s and LSC’s with 120 and 200 PPR outputs employ an internal doubling
circuit and deliver a fixed 50 µsec ±20% output pulse at the leading and trailing
edge of a passing slot. Additional doubling in external indicators or circuits may
not be applicable. These outputs derated to 7300 Hz due to internal x2 circuitry.
Flexible Coupling (1" Length) 0.250" - 0.375"
