POLYSPEDE OC2-500 Manual Download | Manualshive

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Summary of Contents for OC2-500

Page 1: ...Troubleshooting Table II 11 8 2 Troubleshooting Procedure In Case of Fuse Blowing 13 9 POWER MODULES AND D50 TESTING 15 10 MOTOR TESTS 16 11 CONTACTOR OPERATED SYSTEMS OPEN CHASSIS CONTROLS ONLY 16 1...

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Page 3: ...ntrol loops speed and torque that operate simultaneously and independently of each other In most cases the speed loop is in control The speed loop can use either armature voltage or tachometer voltage...

Page 4: ...is then fed to the IR circuit which permits the achievement of no load to full load regulation of less than 1 of base speed In applications requiring load regulation better than 1 of base speed tacho...

Page 5: ...al Characteristics Linear Linear Acceleration Time 0 5 to 15 Seconds adjustable Torque Limit of Rated Motor Current Approx 75 to 150 adjustable Maximum Ambient Temperature 40 C External Signal Capabil...

Page 6: ...late temperature under all conditions cannot exceed 100 C 4 2 MOUNTING OF ENCLOSED OC2E 500 CONTROL The enclosed OC2E 500 control must be mounted in an environment that does not exceed 40 C Since this...

Page 7: ...rt to the chassis or shorts between terminals Caution should be observed when connecting the motor shunt field Some DC motors are provided with dual field windings which are connectable for high or lo...

Page 8: ...reverse the A1 and A2 connections to terminals A1 and A2 on 10TB of the OC2 500 control If the motor runs at maximum seed with the potentiometer fully counterclockwise and slows down as the potentiom...

Page 9: ...nts per Table II and in the order listed in Table II The adjustments are completely independent of each other except as noted below a IR has a slight effect on MIN but MIN does not effect IR b MIN has...

Page 10: ...ntil ammeter reads rated motor current see nameplate Read motor speed with strobe light or tachometer e If motor speed decreased as motor was loaded adjust the IR trim pot and repeat c and d until lit...

Page 11: ...w speed e g 10 setting e Apply friction braking to the motor shaft until until motor stalls out CAUTION Watch ammeter to assure that control is limiting current f Stall current should read roughtly 15...

Page 12: ...r Test Section 8 TROUBLESHOOTING 8 1 TROUBLESHOOTING TABLE The majority of major malfunctions which are normally encountered can be summarized as stated below a Motor does not run b Motor runs only at...

Page 13: ...PAGE INTENTIONALLY LEFT BLANK 10a...

Page 14: ...Terminals 10 and 11 on 1TB not connected Either a permanent jumper or contact closure must be used to permit control operation See the external wiring diagrams and contactor operated systems section...

Page 15: ...wing a Incorrect AC input voltage Check that voltage supplied agrees with the voltage warning label b Incorrect connections between motor and control Recheck all motor connections as given on A1501 10...

Page 16: ...b does not light move on to step g If the bulb does light turn off the power and remove all connections to 10TB Reapply 230 volts to the control If bulb does not glow trouble is probably a short in th...

Page 17: ...at zero and turn on all power Light should not burn Increase the speed setting to 20 Lamp brilliance should increase smoothly to nearly full brilliance NOTE Lamp flicker and erratic brilliance may be...

Page 18: ...ng one lead on the terminal The other lead should be put on the AC terminal With the meter leads on the AC and terminals the Simpson on the RX1 resistance scale the meter should read between 5 15 ohms...

Page 19: ...s or the field on permanent magnet motors a CEMF will be produced in rotating This will cause the ohmmeter readings to change during rotation Therefore after moving the shaft a small amount stop and c...

Page 20: ...d to reverse motor rotation This is accomplished by physically reversing the external connections between 10TB terminals A1 and A2 and the A1 and A2 armature lines to the motor In designing a reversin...

Page 21: ...C voltage sources Basically any DC voltage which is isolated from the AC power lines and which varies from zero to six volts may be applied between 1TB terminals 6 and 5 on 1TB to vary the speed from...

Page 22: ...terminal 8 in respect to common When the control is supplying 100 of rated motor current there will be approximately a 33mV voltage drop across the current shunt 1MSH In order to accomplish external t...

Page 23: ...ied c With the control off the jumper connecting pins 1 and 2 on the feedback select 2PL should be changed to connect pins 2 and 3 The jumper can be removed by vertically sliding the jumper off the pl...

Page 24: ...controlled by Polyspede Therefore only guidelines can be given for checking this item Experience has shown that each application has its own wear rate Removal of the brushes after each three months of...

Page 25: ...he possible entrance of contaminants into housing e If detailed instructions for assembly and disassembly of a particular unit are required write the speed reducer factory for the information f If you...

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