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WF1000BK Datasheet(PDF) 1 Page - Red Lion Controls. Inc |
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WF1000BK Datasheet(HTML) 1 Page - Red Lion Controls. Inc |
1 / 4 page VARIOUS PULSE PER REVOLUTION (PPR) RATES Up to 200 PPR for fine, high-resolution counting or precision speed measurement from slow shaft speeds. UP TO 10 KHz OUTPUT FREQUENCY CURRENT SINK OUTPUT LENGTH SENSORS AVAILABLE WITH: Single or Dual Ended Shaft SEALED PRECISION BALL BEARINGS VARIOUS CABLE LENGTHS AVAILABLE RUGGED CAST ALUMINUM HOUSING 3/8" DIA. STAINLESS STEEL SHAFT WIDE INPUT SUPPLY VOLTAGE RANGE & LOW CURRENT OPERATION 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. MODEL ZCG - SINGLE CHANNEL OUTPUT ROTARY PULSE GENERATOR MODEL ZFG and ZGG - SINGLE CHANNEL OUTPUT LENGTH SENSORS (Replaces MODELS RPGC, LSCS and LSCD respectively) DESCRIPTION The units 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. They 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. + 1.25 (31.8) 0.75 0.022 (0.56) 0.05 (1.3) 1.65 (42) 0.08 2.00 1.20 0.13 3.38 2.75 2.00 (50.8) DIA. MOUNTING FACE 0.375 (9.53) DIA. SHAFT #8-32 UNC x0.30" (7.6) DP. 4 PL., EQUALLY SPACED 1.50 (38.1) DIA. BOLT CIRCLE 0.99 (25.1) DIA FLANGE (2) (19) (50.8) (85.8) (69.9) (30.5) (3.3) ZCG DIMENSIONS In inches (mm) ROTARY PULSE GENERATOR The ZCG 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 3-wire shielded cable exits through a cord connector. LENGTH SENSOR The length sensors are available in both Single Ended Shaft (ZFG) and Double Ended Shaft (ZGG) 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. 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. 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. Open Collector Output Wiring The ZCG, ZFG, and ZGG series of sensors have open collector outputs. An open collector output brings the uncommitted collector of the encoder switching device to the external world. Because the collector element is not associated with the sensor supply voltage, the sensor output collector may be “pulled up” to external voltages (40 VDC max.) different than the encoder supply voltage. NPN open collector outputs are current sinking devices. An output signal will not be generated unless a pull-up resistor is connected from the open-collector to the positive side of an external supply. The same supply can be used for powering the unit and for the pull-up resistor. LENGTH SENSOR MOUNTING CONSIDERATION 1. Length Sensors should be mounted so measuring wheel(s) contact ribbon, strip or web as it passes over a roller. As an alternative, wheel(s) can be driven by roller surface next to material being measured. 2. Note: The weight at the Length Sensor unit provides sufficient traction for accurate operation when mounted, with arm angle from horizontal not exceeding ±30 o. 3. Tension on signal cable can cause wheel(s) to lift. Make sure cable is clamped to machine frame near the unit and allow slack. 1 Bulletin No. ZFG/ZCG-B Drawing No. LP0737 Released 12/10 Tel +1 (717) 767-6511 Fax +1 (717) 764-0839 www.redlion.net |
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