Instruction Manual for MAXCESS models including: PS90 90 VDC Power Supply, PS90, 90 VDC Power Supply, Power Supply, Supply
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DocumentDocumentPS90 90 VDC Power Supply Instruction Manual All of the information herein is the exclusive proprietary property of Maxcess International, and is disclosed with the understanding that it will be retained in confidence and will neither be duplicated nor copied in whole or in part nor be used for any purpose other than for which disclosed. Copyright 2011, 2018 all rights reserved. Periodically there will be updates to this manual. The latest version is available on our website or by calling your regional office listed on the back page of this publication. INTRODUCTION The MAGPOWR Model PS90 is an isolated controllable current regulator for 90 VDC magnetic particle clutches and brakes. The PS90 also provides a small amount of reverse current to minimize the drag torque of the clutch / brake. The Model PS90 has four jumper selectable current ranges. Maximum outputs for the individual ranges are 0.125, 0.25, 0.5 and 1.0 ADC. The appropriate range is determined by the current rating of the clutch or brake to be controlled. For best torque control resolution, the lowest current range providing sufficient current for maximum operating torque should be selected. The PS90 accepts either a remote adjustment potentiometer, or a 0 to 10 VDC analog control signal. Connections are provided for an external 1 mADC current meter. The meter display will indicate output current as a percentage of the output range selected. The control circuits are electrically isolated from the power circuits. INSTALLATION The PS90 is intended for installation on a vertical panel with a DIN 35 rail, with the wiring terminals facing down. Figure 1 shows the enclosure dimensions. 2.30 [58.4 mm] 6.18 [157.0 mm] 1.39 [35.2 mm] 3.38 [85.9 mm] www.maxcessintl.com Figure 1. Enclosure Dimensions PS90 MI 850A264 1 F Page 1 of 4 SETUP Remove the enclosure top by inserting a flat blade screwdriver under the retaining tabs in the base (See Figure 2). Set the JP1 current range selection jumpers to the range appropriate for the clutch / brake connected to the PS90 (See Figure 3 for current range settings). The factory setting is 1/8 amp range. Replace the enclosure top. Figure 2. Removing Enclosure Top 7 1 JP1 Figure 3. JP1 Current Range Settings ELECTRICAL CONNECTIONS Wiring to and from the PS90 must be done with double or reinforced insulation or protective screening which provides protective separation. All wiring should comply with the essential requirements of the appropriate standard(s) and is the responsibility of the installer. Route AC power away from control wiring. The clutch / brake wires and the remote meter wires should be twisted pair. Run the signal input wiring in shielded cable. Connect the shield to the provided terminal marked SHIELD. The maximum shield length and maximum length of wires outside of the shield is 3.0 inches. (75 mm). When using a 0 to 10 VDC input instead of a potentiometer, connect the negative of the input to terminal 26 and the positive of the input to terminal 25. The 90 VDC output and the remote meter output are not isolated from the AC line and must not be ground referenced. The potentiometer input is isolated and may be ground referenced. 115 VAC L1 L2 90V 1mA OUTPUT METER +- +- 1 234567 POTENTIOMETER or 0-10V INPUT SHIELD +- 23 24 25 26 115 VAC 50/60 Hz CLUTCH/ BRAKE REMOTE METER 0-1 mA DC (OPTIONAL) SWITCH NOT ALLOWED IN D.C. OUTPUT Required connections: 115 VAC power 90 VDC output for clutch/brake 1 to 10 kohm Potentiometer CW 1K TO 10K REMOTE POTENTIOMETER Figure 4. Wiring Connections www.maxcessintl.com PS90 MI 850A264 1 F Page 2 of 4 MAINTENANCE The only maintenance that may be required on the TSA is fuse replacement. See specifications on next page. Remove AC power, and then open the enclosure by inserting a flat blade screwdriver under the retaining tabs in the base (See Figure 2 on previous page). Replace fuse and reassemble. The enclosure must be re-installed to maintain the IP rating. TROUBLESHOOTING Symptom No clutch / brake output. Possible Cause No AC power. Fuses blown. Clutch / brake wires open circuit. Remote potentiometer or external power supply not wired correctly, or shorted together. Remote meter not Incorrect type of meter. working. Solution or Diagnostic Verify incoming power is correct voltage and frequency. Clutch / brake wires shorted together or shorted to ground. Disconnect clutch / brake wires at the PS90 and check for proper clutch / brake resistance between the wires. Voltage between terminal 24 and 26 should be 10 VDC. Voltage between terminal 25 and 26 should vary from 0 to 10 VDC as the potentiometer or external 0 to10 VDC power supply is moved through its range of travel. Meter should be a current meter with 1 mA full scale and no more than 3 kohm resistance. Meter wires shorted or open. Disconnect meter wiring at the PS90 and check for proper meter resistance between the wires. OPTIONS The PS90 is factory adjusted to provide full reverse current with 0 VDC input. If some other current is desired with 0 VDC input or the minimum remote potentiometer setting, the minimum current potentiometer may be adjusted by cutting out the hole shown on the label and then using a trimpot adjustment tool. Modifying this setting will cause the clutch / brake drag torque to be higher than expected and is not recommended. www.maxcessintl.com PS90 MI 850A264 1 F Page 3 of 4 SPECIFICATIONS Supply Voltage: Fuses: F1, F2 Enclosure: Climatic Class: Temperature Range: Operating: Storage: Relative Humidity: Pollution Degree: Altitude: Compatible Residual Current Device Types: Worst Case Fault Current: Inputs: Signal Outputs: Clutch / Brake Voltage: Current: Regulation: Current Drift: Meter Signal: Potentiometer Supply Voltage: 115 VAC, +/- 10%, 50/60 Hz, 1.1 amp maximum, sinusoidal 1.6 amp slow-blow, Littelfuse Part No. 21501.6, or Cooper-Bussman Part No. S505-1.6-R IP20 3K3 (EN60721) 0° C to 50° C -30° C to 80° C 5% to 85% 2 (IEC664-1) 0 to 2000 m A or B (IEC755) 1.6 amp Potentiometer: 1 to 10 kohm, ¼ watt minimum, or Voltage: 0 to 10 VDC, 100 kohm input impedance -3 to 90 VDC, full wave, phase controlled Adjustable in four ranges: -0.004 to 0.125 ADC -0.008 to 0.25 ADC -0.016 to 0.5 ADC -0.032 to 1.0 ADC < 1% of range 0.024 %/° C 0 to 1 mADC, +/-2% into 3 kohm maximum 10 VDC +/-2%, 10 mADC maximum SERVICE REQUESTS AND REPLACEMENT PARTS To request service or to get replacement parts, contact one of the following addresses: Fife Corporation 222 West Memorial Rd. Oklahoma City, OK, 73114, USA Phone: 1-405-755-1600 Fax: 1-405-755-8425 Web: www.maxcessintl.com Fife-Tidland GmbH Fife-Tidland GmbH Max-Planck-Strasse 8 OR 65779 Kelkheim Deutschland Telefon: +49.6195.7002.0 Fax: +49.6195.7002.933 Web: www.maxcess.eu Siemensstrasse 13-15 48683 Ahaus Deutschland AMERICAS Tel +1.405.755.1600 Fax +1.405.755.8425 sales@maxcessintl.com www.maxcessintl.com EUROPE, MIDDLE EAST AND AFRICA Tel +49.6195.7002.0 Fax +49.6195.7002.933 sales@maxcess.eu www.maxcess.eu CHINA Tel +86.756.881.9398 Fax +86.756.881.9393 info@maxcessintl.com.cn www.maxcessintl.com.cn INDIA Tel +91.22.27602633 Fax +91.22.27602634 india@maxcessintl.com www.maxcess.in JAPAN Tel +81.43.421.1622 Fax +81.43.421.2895 japan@maxcessintl.com www.maxcess.jp KOREA, TAIWAN, AND SE ASIA asia@maxcessintl.com www.maxcess.asia © 2018 Maxcess
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