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1900/27 Vibration Monitor Operation and Maintenance Manual

46

8. Appendix D - Accessories and Spare

Parts

8.1 Installation Hardware

The

following

items

listed

below

can

be

used

as

part

of

the installation

of

the

1900/27

Vibration

Monitor.

Weatherproof Enclosure

A weatherproof enclosure protects the 1900/27 Vibration Monitor from wet and
corrosive environments. Two enclosures are listed below. When properly installed,
these weatherproof enclosures will meet Type 4X specifications.

Constructed of thermoplastic polyester resin (PBT), the 190100-01 weatherproof
enclosure has a clear polycarbonate cover to allow viewing of the LCD display and
status LEDs.

When properly installed, the 03636315 RFI Resistant Enclosure protects the
1900/27 monitor from strong radio signals generated from hand-held
transmitters. It consists of a stainless steel body and a door with a metal screened
window. Along with the 190520 Accelerometer and properly grounded conduit,
this housing can significantly reduce the possibility of nuisance alarms caused by
radio induced signals.

190100-01

Weatherproof enclosure for one 1900/27 Vibration Monitor.

03636315

Weatherproof RFI shielded enclosure for one 1900/27
Vibration Monitor.

104795-01

Back panel for 03636315 housing.

04344054

Screws for 03636315 housing back panel.

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Содержание Bently Nevada 1900/27

Страница 1: ...Part Number 190127 01 Rev F 09 07 Bently Nevada Asset Condition Monitoring Operation and Maintenance Manual 1900 27 Vibration Monitor ...

Страница 2: ...t 1994 Bently Nevada LLC All rights reserved The information contained in this document is subject to change without notice The following are trademarks of the legal entities cited Sealtite is a registered trademark of Anamet Inc Teflon is a registered trademark of DuPont ...

Страница 3: ...g Bently Nevada are provided for those times when you cannot contact your local representative Mailing Address 1631 Bently Parkway South Minden Nevada USA 89423 USA Telephone 1 775 782 3611 1 800 227 5514 Fax 1 775 215 2873 Internet www ge energy com bently ...

Страница 4: ... Guide Part Number 89134 01 Product Disposal Statement Customers and third parties who are not member states of the European Union who are in control of the product at the end of its life or at the end of its use are solely responsible for the proper disposal of the product No person firm corporation association or agency that is in control of product shall dispose of it in a manner that is in vio...

Страница 5: ...Alert Relay Alarm Conditions 10 2 4 3 Configuring the Display for English or Metric Units 11 2 4 4 Initiating Self Test 11 2 5 Connecting Remote Reset 12 2 6 4 to 20 mA Interface Connections 12 2 6 1 Connecting Cable to the 1900 27 Monitor 4 to 20 mA Interface 12 2 7 Relay Connections 15 2 7 1 Alert Relay Configuration 16 2 7 2 Relay Internal Jumper Settings 17 2 7 3 Relay Electrical Connections 1...

Страница 6: ...ndix A Performance Specifications 38 5 1 1900 27 Monitor Specification 38 5 1 1 Mechanical Specifications 38 5 1 2 Environmental Specifications 38 5 1 3 Monitor Power Specifications 40 5 1 4 Relay Specifications 40 5 1 5 Signal Conditioning 40 5 1 6 Accuracy 41 5 1 7 LED Indicators 41 5 1 8 Monitor Controls 42 5 1 9 4 to 20 mA Interface Specifications 42 6 Appendix B Peak Detection Methods 43 6 1 ...

Страница 7: ...s of the monitor by using jumpers or the 6 position Configuration switch Some of the non programmable features are described below Transducer separate from monitor Mounting only the transducer on the machine requires less space and makes the transducer easier to install on small machinery Mounting the monitor away from the machine protects the monitor from the harsh machine enviroment that is less...

Страница 8: ...with NOT OK relay or an auxiliary Danger relay The relay circuits include arc suppressors to increase relay contact life expectancy and reduce arcs in hazardous locations 4 to 20 mA Intereface Systems set up to collect data usng a 4 to 20 mA communications system can access the peak velocity data through this interface True peak measurements The 1900 27 Vibration Monitor uses an analog peak to pea...

Страница 9: ...ire dynamic data collection during BYPASS you can set the monitor so that it collects data even when the alarms are bypassed Front Panel 6 position Configuration Switch Options Relay Time Delay The Alert and Danger relay time delays can be set for 3 5 10 or 15 seconds Relay time delay is the amount of time that the vibration level must be greater than the alarm setpoint level before an alarm trips...

Страница 10: ... beginning of the self test to verify that they are operating properly The power supplies are checked continually 1 2 Monitor Connections Indicators Controls The connections LEDs and LCD and control switches are shown in the next three figures Figure 1 1 Location of monitor connections ...

Страница 11: ...Section 1 1900 27 Vibration Monitor Description 5 Figure 1 2 Location of status LED indicators and LCD dsplay location Figure 1 3 Location of monitor switches and reset button ...

Страница 12: ...damage during shipment Keep all shipping forms and invoices If any shipping damage is apparent file a claim with the carrier and submit a copy to Bently Nevada Corporation Include all model numbers and serial numbers with the claim We will either repair or replace damaged parts according to the terms and conditions of the sale A plastic cover will be over the display when the monitor is shipped fr...

Страница 13: ...havior The Normally Energized De energized option controls whether power is applied to the relay coil during an alarm state or during a non alarm condition For normally de energized relays no power is applied to the relay coil during non alarm conditions Power is applied during alarm conditions For normally energized relays power is applied to the relay coil during non alarm conditions Power is re...

Страница 14: ... mA interface Table 2 3 shows how to use the Bypass Mode jumper to control how the 4 to 20 mA interface responds when the monitor is bypassed TABLE 2 3 Bypass Mode Jumper Settings Response of the 4 to 20 mA interface when the monitor s relays are bypassed Bypass mode jumper W4 Flag the point as Not Transmit vibration OK signal when relays are bypassed installed yes no removed no yes Factory defaul...

Страница 15: ...er the printed circuit boards 2 3 Monitor Enclosure Use a TYPE 4X enclosure for outdoor and Class 1 Division 2 hazardous areas If the monitor will be in a nonhazardous location where it is protected from the elements then a weatherproof enclosure is not required Bently Nevada offers a nonmetallic Type 4X enclosure Bently Nevada Part Number 190100 01 or a stainless steel RFI resistant Type 4X enclo...

Страница 16: ...tings TABLE 2 4 Relay Time Delay Settings Switch 1 Switch 2 Time Delay Off Off 3 seconds Off On 5 seconds On Off 10 seconds On On 15 seconds 2 4 2 Alert Relay Alarm Conditions Alert relay alarm settings let you configure the Alert relay to be driven by the following 4 conditions the Alert setpoint the Alert setpoint logically OR ed with NOT OK NOT OK or the Danger setpoint If you configure the rel...

Страница 17: ...tes Numerical segments of the LCD turn on for the duration of the self test All LEDS turn on for the first 4 seconds of the self test The signal path circuits are tested The alarm threshold detection circuitry is tested If an error is detected during self test an error code will remain on at the end of the self test Error codes E1 and E3 are continually tested for during normal operation If a powe...

Страница 18: ...his interface Although the 1900 27 monitor can operate without connecting the 4 to 20 mA interface the interface lets you collect data automatically for trending 2 6 1 Connecting Cable to the 1900 27 Monitor 4 to 20 mA Interface Use two conductor shielded cable to connect the 4 to 20 mA loop power supply to the 1900 27 Monitor Cable length is restricted by the loop supply voltage supply source res...

Страница 19: ...the following tools to attach the cable to the 1900 27 monitor Two conductor shielded cable A screwdriver A wire stripper to remove insulation from the cable Connect the 4 to 20 mA loop to the monitor by following these steps Refer to Figure 2 10 1 Strip the outer jacket and the shield foil from the monitor end of the cable 2 Strip 6 4 to 9 5 mm 0 250 to 0 375 in of insulation from both of the ins...

Страница 20: ...1900 27 Vibration Monitor Operation and Maintenance Manual 14 Figure 2 10 4 to 20 mA connections ...

Страница 21: ...he vibration level exceeds the Danger setpoint WARNING A missed trip or false trip can occur if the Alert relay is used to signal a shutdown Only the Danger relay because it is dedicated to the Danger setpoint is intended for machinery protection shutdown in the event of high vibration The Alert relay is intended for non machinery protection functions such as annunciating a high vibration conditio...

Страница 22: ... vibration level exceeds the Alert setpoint Notify that the machine is vibrating at a level approaching the Danger setpoint Alert setpoint OR ed with OK relay vibration level exceeds the Alert setpoint or the monitor is not OK Notify that the vibration of the machine is high or that a fault exists with the transducer the transducer wiring or the transducer power supply OK relay the monitor is not ...

Страница 23: ...n 5 ARM ARM 6 open closed 7 closed open 8 ARM ARM 9 open closed If the relay is configured as normally energized then the normally open NO and normally closed NC connections are reversed from that shown on the label Use normally energized if you want the relay to change state if the monitor loses power 2 7 3 Relay Electrical Connections The following tools and supplies are required for connecting ...

Страница 24: ...f insulation from each of the conductors that will be used by the relay 3 Crimp a ring or spade lug to each of the conductors using the crimp tool 4 Open the hinged protective cover over the power and relay terminal strip 5 Place each lug under the proper screw on the relay terminal strip see Figure 2 12 and use the screwdriver to tighten the screw 6 Close the hinged protective cover over the term...

Страница 25: ...tor as shown in Table 2 10 TABLE 2 10 Monitor Power Connections INPUT VOLTAGE CONNECTIONS 85 Vac to 264 Vac 1 2 3 Line Line 2 Neutral Ground 110 Vdc to 370 Vdc 1 2 3 Line 1 Common Ground 24 Vdc 1 2 3 24 Vdc Common Ground 2 8 2 Power Electrical Connections Use these tools and supplies to connect cable to the power terminal strip Wire stripper Crimp tool A phillips or straight screwdriver Crimp type...

Страница 26: ...of insulation from each of the conductors that will be connected to the power terminals 3 Crimp a ring or spade lug to each of the conductors using the crimp tool 4 Open the hinged protective cover over the power and relay terminal strip 5 Place each lug under the proper screw on the power terminal strip see Figure 2 13 and use the screwdriver to tighten the screw Figure 2 13 Power Connections 6 C...

Страница 27: ...Section 2 Installation 21 2 9 Field Wiring Diagram A typical field wiring diagram is shown below Figure 2 14 Typical 1900 27 field wiring installation ...

Страница 28: ...w the current Alert and Danger setpoint levels and error codes 3 1 1 English or Metric Display Units Velocity units can be displayed on the LCD in either English units in s or in Metric units mm s Figure 3 1 shows the arrow on the right side of the LCD that points to the units which the display is currently using Change the velocity units by setting switch 5 to the desired units on the 6 position ...

Страница 29: ...h The positions of the Display Mode switch are Normal Alert and Danger Table 3 1 shows the effects of the Display Mode on the LCD Table 3 1 Display Mode Switch SWITCH SETTING DISPLAY DESCRIPTION The LCD displays overall vibration in units of in s The LCD displays the Alert Setpoint in units of in s The LCD displays the Danger Setpoint in units of in s ...

Страница 30: ...uring self test E3 NOT OK error continuously checked The Maintenance and Troubleshooting section Section 4 contains information about how to resolve these errors Figure 3 2 Location of Error Indicators Error code E1 indicates a power supply error The regulated power supplies inside the 1900 27 monitor are continuously checked If they fall outside of the acceptable power supply range the monitor di...

Страница 31: ...e monitor They indicate whether the monitor and transducer are OK if either the Alert or Danger relay is in alarm and whether the relays are bypassed Table 3 2 summarizes how the LED operate Table 3 2 LED Indicators OK LED INDICATION on Monitor is operating properly and receiving a valid transducer signal off Monitor is not OK flashing Monitor was not OK and then returned to OK ALERT LED INDICATIO...

Страница 32: ... activated before the switch is set they will 3 4 Setpoint Adjustment Adjust the Alert and Danger setpoints by using the adjustment screws recessed in the front panel of the monitor The adjustment range for the Alert and Danger setpoints is 2 54 to 50 8 mm s 0 1 to 1 9 in s Use the LCD display to view the setpoint value while adjusting it Place the monitor in bypass while adjusting the setpoint so...

Страница 33: ...rews Display Mode switch and Relay Mode Switch 3 Use the small screwdriver to turn the setpoint adjust screw corresponding to the setpoint that you wish to adjust Turning the screwdriver clockwise increases the setpoint The value on the LCD changes as the screw is turned If you adjust the setpoint below the vibration level the LED for the setpoint will come on 4 When the desired setpoint level is ...

Страница 34: ... attach diagnostic equipment such as an oscilloscope or a recorder to the buffered velocity signal 3 7 Initiating a Monitor Self Test Self test is initiated by moving switch 6 of the 6 position Configuration switch to the on position Once the self test begins move the switch back to the off position Self test lasts approximately 30 seconds When self test begins all the LEDs and numerical segments ...

Страница 35: ... recommend that you inspect the monitor every three to six months to verify that the monitor is in good working order and that reliable machinery protection is being provided Inspect the following items The monitor is powered up the OK LED is on and the LCD is displaying a valid vibration reading The electrical connections to the monitor are in good condition and have no corrosion or loose wires T...

Страница 36: ...hen a transducer is connected and no vibration is present This adjustment does not affect the full scale range of the monitor Adjust the LCD at an electronics workbench rather than at the installation site A qualified electronics technician or engineer should perform the calibration If you are not capable of performing this procedure contact your nearest Bently Nevada sales office and arrange eith...

Страница 37: ...t the 3 conductor cable to the monitor power terminal strip and plug the other end of the cable into the proper power source Wait 30 seconds for the monitor to complete its power up and self test functions After the power up cycle has finished the green OK LED will flash indicating that the monitor is now completely powered up and OK To stop the flashing push the reset button 5 Turn the zero adjus...

Страница 38: ...ese adjustments should be done by a skilled electronics technician or engineer at an electronics workbench rather than at the installation site The procedure to adjust this interface requires the following tools and equipment A small straight blade screwdriver A power source for the monitor being calibrated 110 Vac 220 Vac or 24 Vdc A 3 conductor cable for attaching the power source to the monitor...

Страница 39: ...istors the short lengths of wire and the sinewave generator as shown in Figure 4 2 4 Connect the external DC supply to the 4 to 20 mA interface as shown in Figure 4 2 5 Power up the 4 to 20 mA supply and adjust the voltage to the supply voltage that will be used in the actual installation If the actual supply voltage is not known adjust the supply to 22 Vdc 6 Power the monitor and wait for it to c...

Страница 40: ... transducer output is 0 65 Vrms 10 Measure the DC voltage between the LOOP and TEST connectors of the 4 to 20 mA terminal block The reading on the multimeter should be 1 87 Vdc If it is not adjust the gain adjust potentiometer up or down until the voltmeter reads 1 87 Vdc 11 If desired verify the accuracy of the loop by adjusting the output of the sinewave generator to 0 707 Vrms and measuring the...

Страница 41: ...t terminals of the monitor The monitor has power but the OK light will not come on Check the transducer cable and connectors for opens and shorts Replace the transducer with a known good transducer The LCD is not reading the proper value Or The signal path error E2 is displayed on the LCD after running a self test on the monitor Verify that the Display Mode switch is in the proper position Check t...

Страница 42: ...t the relay lower the setpoint below the current vibration level and verify that the relay goes into its alarm state Verify that the cable between the monitor s relay terminals and the device the relay is connected to is correct If the relay is being used to drive an external relay or device such as a motor control relay or a buzzer then verify that the external relay or device is working properly...

Страница 43: ...een wires at connector Verify that the transducer power supply is working properly by measuring the voltage between transducer PWR RED and COM BLK Acceptable range is 4 9 to 5 2 Vdc Verify that the transducer cable is working properly by replacing it with a known good cable Verify that the transducer is working properly by either replacing it with a known good transducer or by testing the existing...

Страница 44: ... limits will result in false readings or loss of machine monitoring 5 1 1 Mechanical Specifications Dimensions see Figure A 1 Length 5 20 in 132 mm Width 5 20 in 132 mm Depth 2 80 in 71 1 mm Weight 0 85 lb 400 g 5 1 2 Environmental Specifications Temperature Range Operating 20 C to 70 C 4F to 176F Storage 30 C to 90 C 22F to 194F Maximum Relative Humidity 95 noncondensing ...

Страница 45: ...Section 5 Appendix A Performance Specifications 39 Figure A 1 1900 27 Mechanical Dimensions ...

Страница 46: ... 28 Vdc at 6 A Maximum AC Voltage Current 300 Vac at 6 A Relay Dielectric Strength at sea level Contact to Contact 750Vrms Contact to Coil 1500Vrms Relay Life Expectancy Mechanical 100 000 000 operations Electrical 180 000 operations at 6 A 120 Vac Insulation Resistance 100 000 000 Q minimum at 20oC 500 Vdc 50 relative humidity 5 1 5 Signal Conditioning Fullscale Range 2 in spk 50 8 mm spk Note Fu...

Страница 47: ...for 8 to 30 Hz 5 1 7 LED Indicators OK One constant ON green LED indicates OK condition of monitor transducer and field wiring Constant OFF indicates NOT OK condition OK LED flashing at 2 Hz indicates monitor has been NOT OK but is now OK Alert One yellow LED indicates an Alert condition Flashing at 2 Hz indicates an Alert condition has occurred and then gone away only occurs if the Alert relay is...

Страница 48: ...n Push to reset latched relays and flashing LEDs Configuration Switch Used to set Alert and Danger Relay Time Delay Alert relay drive conditions English or metric display units and to initiate a monitor self test 5 1 9 4 to 20 mA Interface Specifications Fullscale Range 2in spk 50 8mm spk Overrange 2 5in spk 63 5mm spk Frequency Response 10 Hz to 1 kHz NOT OK Signalling Output clamped to less than...

Страница 49: ...eously indicates a low vibration amplitude Since complex machine vibration signals are rarely symmetrical a detector that measures both positive and negative peaks is more accurate Peak to peak divided by 2 detection is a better method and is used by Bently Nevada monitors for velocity or acceleration signals This method finds both the positive and negative peaks of the input signal and adds them ...

Страница 50: ...e Manual 44 7 Appendix C 1900 27 Monitor Configuration Form The following page contains a form that can be used to record internal jumper settings configuration switch settings and setpoints for the 1900 27 monitor The configuration form may be copied ...

Страница 51: ..._____ Orientation Zero Degree Reference ____________________________ Setpoint Alert Setpoint ___________ in s mm s Levels Danger Setpoint ___________ in s mm s Jumper W4 Trendmaster 2000 Bypass Mode IN OUT Settings W5 Danger Relay Normally Energized De energized Mode IN OUT W6 Alert Relay Normally Energized De energized Mode IN OUT W7 Danger Relay Latching Nonlatching Mode IN OUT W8 Alert Relay La...

Страница 52: ...atherproof enclosure has a clear polycarbonate cover to allow viewing of the LCD display and status LEDs When properly installed the 03636315 RFI Resistant Enclosure protects the 1900 27 monitor from strong radio signals generated from hand held transmitters It consists of a stainless steel body and a door with a metal screened window Along with the 190520 Accelerometer and properly grounded condu...

Страница 53: ...ousing 03870190 fitting for connecting 1 2 inch NPS female liquidtight conduit to 1 2 14 NPS transducer cap option Cable Armor and Fittings Cable armor can be used to make the transition from the transducer to Sealtite flexible conduit or rigid conduit Armor 106924 AXX 3 8 inch Teflon coated stainless steel armor Option Decription A Armor length option in feet Order in increments of 10 feet 3 0 me...

Страница 54: ...red for connecting the transducer and 4 to 20 mA system cables to the 1900 27 Vibration Monitor 00500133 7 position 5 08 mm spacing connector plug Jumpers The internal jumpers are used to set relay options such as latching or nonlatching relays and normally energized or de energized relays 00500143 single 2 pin jumper Manual Spare manuals may be useful to allow other engineers or technicians invol...

Страница 55: ...n intrinsically safe installation the transducer common is connected to the barrier s earth ground Since the transducer common is also connected to the power input common inside the 1900 27 care must be taken to avoid a ground loop which could arise from connecting the power input common to earth ground Note that the approval drawings for the 89129 and 190520 Accelerometers require that the total ...

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