® RIM Tach 8500 Thru-Shaft & End-of-Shaft Features · Provides high performance feedback for AC and DC drive control systems · Thin, pancake style design mounts directly on the mo- tor without bearings or couplings · Rugged, zero speed, magnetoresistive sensing tech- nology is unaffected by grease, salt water, dust or other contaminants · Highly reliable speed signals for mill duty applications · Stainless steel and cast iron construction · Resolution to 1200 pulses per revolution PPR ® The ©NorthStar RIM Tach 8500 is a mill duty digital tachometer which provides precise, reliable speed signals for even the most difficult mill processes. This high performance tachometer, available in either thru-shaft or end-of shaft models, was specifically designed to provide feedback for AC and DC drive control systems. The 8500 is the most reliable magnetoresistive digital tachometer found on the market today. Rugged Mill Duty Construction Reliable Magnetoresistive Technology The 8500 is constructed of a ductile cast iron enclosure The 8500 accepts one or two stainless steel sensor modules ensuring rugged and reliable performance in even the harsh- with patented magnetoresistive technology. Each module est environments. The bearingless design eliminates failures generates A and B signals in quadrature, an optional index caused by repeated couplings or bearing failures. The 8500 pulse Z, and each of their complements (A, B, Z). These features a magnetized drum that accommodates large (up to reliable sensor modules can utilize DC power from +5 to +15 4.5”) thru-shaft or end-of-shaft designs. volts, provide transient and noise suppression, and reverse polarity protection. The 8500 high performance tachometer provides resolutions up to 1200 pulses per revolution, which is much higher than traditional encoders. Easy Installation The 8500 has standard mill duty latching connectors. These sealed connectors are a snap to wire by simple inserting the stripped conductor in the plug and tightening the screw terminals. There is no need to field solder or to struggle with a crimp pin. The unit easily mounts on a standard NEMA 180 C face (8.5”) and requires no gap adjustments. The pulse count output is very simple to change, just remove four screws and slide the desired pulse count sensor module in place. Finally, an optional shaft grounding brush can be added to the unit to reduce or eliminate motor shaft currents, thereby allowing for a longer motor bearing life. ©NorthStar Technologies, Inc. /A LakeShore Company 575 McCorkle Blvd., Westerville, OH 43082 Tel: (614) 818-1150 Fax: (614) 891-6909 www.northstar-tec.com sales@northstar-tec.com, service@northstar-tec.com 791-7010-00 Rev. 1 8.96[228] .25[6.4] Electrical Specifications Ordering Information Frequency Response 0 - 120 kHz Tachometer Type Pulse Code A, B, Z (Index), and complements (A, B, Z) RIM8.5 RIM8.5 Output Phases A, B phase @ quadrature 90°C, Z phase: One per rev (gated) Pulse Duty Cycle 50% ± 15% (within defined mechanical specifications) Pulse Count Quadrature Accuracy 60, 64, 75, 120, 128, 150, 240, 256, 90° ± 22° (within defined mechanical specifications) 300, 480, 480Z, 512, 512Z, 600, Output Type High speed, differential line driver, 600Z, 960, 960Z, 1024, 1024Z, 1200, Rise and Fall Time Less than 1ms @ 10,000 pf typical load 1200Z Current Consumption 45 mA typical plus line driver load Shaft Size Output Current 150 mA maximum continuous 0.625” TS* clamp style TB ESD Protection 2 kV 0.750” TS clamp style TC 0.875” TS clamp style TD Mechanical Specifications 1.000” TS clamp style TE Maximum Operational Speed 7,000 RPM or 120 kHz 1.125” TS clamp style T01 Shaft Axial End Play Up to ± 0.050” 1.375” TS set screw style T02 1.625” TS set screw style T03 Enclosure Configuration 8.5” dia. 180 C motor face or accessory flange for NEMA MG1-4 standards 1.875” TS set screw style T04 Slew Rate 3,600 RPM/second, 12,000 RPM/sec w/ optional high slew rate pulse wheel 2.000” TS set screw style T05 Enclosure Material Ductile iron casting 2.125” TS set screw style T06 2.250” TS set screw style T07 Sensor Module Material Stainless steel 2.375” TS set screw style T08 Box Weight/Box Dimensions 25.0 lbs. (11.4 kg) / 22.0”(559mm) x 12.0”(305mm) x 9.0”(229mm) 2.500” TS set screw style T09 2.625” TS set screw style T19 Environmental Specifications 2.875” TS set screw style T10 Operational Temperature -40° to +80° C Non-standard TS sizes TXX Operational Humidity Capability Maximum of 90% 40mm TS M40 50mm TS M50 Chemical Resistance Salt spray, most solvents, mild acids and bases 75mm TS M75 Vibration Minimum 18 g’s RMS, 5-2000 Hz shock spectrum 1.125” EOS* E01 2.125” EOS E06 Shock (Sensor Module) 1 meter drop tested, min. 30g’s 2.375” EOS E08 Interface Specifications 2.875” EOS E10 Power +5.0 to +15.0 VDC Non-standard EOS sizes EXX 0.5-4.5” (12-115mm)* Output Differential output swinging between Vcc - 0.6V & ground Connector 10 pin industrial latching connector w/ ½” NPT fitting, IP-65 NEMA 4, 12 rated Number of Sensor Modules Suggested Cable 22 - 16 AWG, 10 conductor, shielded, twisted pair Single Module 1 *Specifications subject to change without notification. Second isolated module 2 Dimensions inches[mm] Output Circuit Type Line Driver LD TS= Thru-Shaft, EOS= End-of-Shaft *not all combinations available (4) 1/2”-13UNC x 3.47 studs Example: RIM8.5 1024Z T01 2 LD Grounding Brush (optional) ® RIM Tach Shaft Ground- ing Brush pro- vides low resis- 1/2” NPT tance, electrical Conduit Connection contact to the motor shaft to reduce or eliminate in- 7.33[187] duced shaft currents in AC or DC mo- 12.13[308] Also from ©NorthStar ™ ™ RIM Tach® High Temperature Intellitach feedback monitoring RIM Tach® Signal Splitter Sensor Module withstands up to system eliminates downtime from routes one encoder’s signals to 120°C. With temperature monitor- encoder failure. Continuously ana- multiple, isolated locations. Ac- ing sticker for user verification of lyzes encoder signals and automat- cepts either A & B alone or with operating conditions. Magnetore- ically switches to back-up en- complements, and outputs two, sistive for greater reliability. coder. High power line driver out- independent, quadrature signals. Stainless steel. puts. Also repeats and boosts signals. ©NorthStar Technologies, Inc. /A LakeShore Company 575 McCorkle Blvd., Westerville, OH 43082 Tel: (614) 818-1150 Fax: (614) 891-6909 www.northstar-tec.com sales@northstar-tec.com, service@northstar-tec.com 791-7010-00 Rev. 1 3.70[95] 3.15[80] 2.56[65] 8.50[216]