Marley 440 Series User Manual Download | Manualshive

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440 - 450

vibration switch

INSTALL ATION - OPERATION - MAINTENANCE

Z05 92822_A I S S U E D 0 6/2017

READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT.

user manual

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Summary of Contents for 440 Series

Page 1: ...440 450 vibration switch INSTALLATION OPERATION MAINTENANCE Z0592822_A ISSU E D 06 2017 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT user manual ...

Page 2: ...contents Section 1 General Description 3 Section 2 Mechanical Installation 8 Section 3 Electrical Wiring 9 Section 4 Control Settings 13 Section 5 System Block Diagram 14 Wiring Diagram 15 ...

Page 3: ...ptimum parameter for both high and low frequencies since it is equally sensitive to both Acceleration as with mechanical switches is over sensitive to the high frequencies and very insensitive to the low frequencies On machines operating at very low RPM 100 200 RPM displacement may also be suitable Time delay is absolutely essential in any usable vibration monitor Virtually all machines will exhib...

Page 4: ... or mechanical relays are available 5 Adjustable 2 15 seconds time delay is standard This prevents false trip ping on high startup vibrations and also from non repetitive transient events 6 Self test and calibration A light adjacent to the set point control comes on the instant the measured vibration level exceeds the set point The unit can be periodically calibrated on line by turning the set poi...

Page 5: ...ms Velocity Set Point 0 1 to 1 5 in in sec or 0 2 to 3 in sec peak Metric ranges 3 to 40 mm sec or 6 to 80 mm sec peak Frequency Range 2 to 1000 Hz Time Delay Field adjustable 2 15 sec Factory set for 3 sec unless speci fied otherwise Alarm or Shutdown Output s Solid state relay triac Two in 440DR Isolated dry contact Each triac field settable for close on alarm N O or open on alarm N C 5A continu...

Page 6: ... 4X Weight 440 1 6 kg 3 5 lb 450 2 72 kg 6 lb Mounting 1 4 hardware 3 mounting bosses Terminals All terminals will accept 12 AWG wire in clamping type yoke without need for termination hardware All hardware is captive Self Test Test position on set point control and light emitting diode provide functional test of trip circuitry time delay and triac closure Also permits on line calibration of switc...

Page 7: ...o 10 Approvals CSA General Safety CSA Class I Hazardous Environments Shock Hazard 230 110 Volts The terminal block inside the 440 is connected to AC power 110 VAC or 230 VAC depending on model except DC input power models If adjustments to the device are being made with power applied exercise caution to avoid contact with the terminal block screws by any part of the body or electrically conductive...

Page 8: ...t to keep the mounting surface below the switch max temperature limit of 140 F If the equipment being monitored is going to exceed this limit consideration should be given to either using one of the remote transducers or thermally isolating the switch To ensure accurate switch performance a warm up time of 5 minutes is rec ommended Cable Wiring The method chosen to electrically connect to the swit...

Page 9: ...ly fastened down with the four screws provided Although the switch enclosures meet NEMA standards for water tightness it will do no good if proper sealing of both cover and wiring entrances are not followed Please remember that a hollow pipe through which wires may enter a switch may conduct moisture as well Electrical Wiring Wiring to the Vibration Switch The following sections refer to the wirin...

Page 10: ...void creating ground loops the N C remote switch contacts should be electrically isolated from other circuits or grounds Remote reset is disabled if push button reset option is selected Lockout Optional Terminal 7 will be labeled Lockout Shielded wire is recommended To avoid the possibility of ground loops the remote N O lockout switch contacts should be electrically isolated from other external c...

Page 11: ...e are medium power rated devices and are quite useful in controlling relays contactors and most motor starters directly Maximum noise immunity is obtained when used in the open on alarm N C mode Alarm or Shutdown Units with Analog Switch in place of Triac identified by Model NO 440DR 2X22 XXXX For light loads such as computers or PLCs the analog switch is easier to inter face since it has virtuall...

Page 12: ... alarm mode by momen tarily interrupting the connection from terminal Reset to Common This can be accomplished with a normally closed momentary switch The switch contacts should be isolated from other circuits potentials or grounds Remote reset is disabled if push button reset option is selected 20 Second Lockout optional With this option the shutdown and or alarm triacs will not be permitted to a...

Page 13: ...ons Light Loads and D C Loads with Triacs do not apply However maximum current is limited to 170 mA Control Settings Setting Trip Points The Model 440DR provides two trips one for alarm and one for shutdown The first trip alarm is set at a vibration alarm level to provide early warning that the condition of the machine is deteriorating If the machine condition continues to deteriorate the shutdown...

Page 14: ... a normal setting before the du ration of the time delay has been exceeded the LED will come on without energizing the triac Alarm and Shutdown Light Emitting Diodes Since the LEDs activate instantaneously before time delay they can be used to check the machines actual vibration level i e slowly decrease shutdown set point by turning the set point knob counter clockwise until the shutdown LED illu...

Page 15: ...ence for the duration of the time delay an output trip occurs and the shutdown solid state relay will trip Alarm trip is derived in much the same manner branching from the output of the RMS to DC stage Likewise the DC output is directed to the voltage to current hybrid Wiring Diagram Fully Configured ...

Page 16: ... interest of technological progress all products are subject to design and or material change without notice 440 450 vibration switch US E R MAN UAL SPX COOLING TECHNOLOGIES INC 7401 WEST 129 STREET OVERLAND PARK KS 66213 USA 913 664 7400 spxcooling spx com spxcooling com ...

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