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IMI SENSORS 685B-Series Installation And Operating Manual

Electronic vibration switch
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Model 685B4301A21
ELECTRONIC VIBRATION SWITCH
Installation and Operating Manual
For assistance with the operation of this product,
contact PCB Piezotronics, Inc.
Toll-free: 800-959-4464
24-hour SensorLine: 716-684-0001
Fax: 716-684-3823
E-mail: imi@pcb.com
Web: www.imi-sensors.com

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  • Page 1 Model 685B4301A21 ELECTRONIC VIBRATION SWITCH Installation and Operating Manual For assistance with the operation of this product, contact PCB Piezotronics, Inc. Toll-free: 800-959-4464 24-hour SensorLine: 716-684-0001 Fax: 716-684-3823 E-mail: imi@pcb.com Web: www.imi-sensors.com...
  • Page 2 Repair and Maintenance Returning Equipment If factory repair is required, our representatives will PCB guarantees Total Customer Satisfaction through its provide you with a Return Material Authorization (RMA) “Lifetime Warranty Plus” on all Platinum Stock Products number, which we use to reference any information you sold by PCB and through its limited warranties on all other have already provided and expedite the repair process.
  • Page 3 CAUTION Refers to hazards that could damage the instrument. NOTE Indicates tips, recommendations and important information. The notes simplify processes and contain additional information on particular operating steps. The following symbols may be found on the equipment described in this manual: This symbol on the unit indicates that high voltage may be present.
  • Page 4 PCB工业监视和测量设备 - 中国RoHS2公布表 PCB Industrial Monitoring and Measuring Equipment - China RoHS 2 Disclosure Table 有害物质 镉 汞 铅 (Pb) 六价铬 (Cr(VI)) 多溴联苯 (PBB) 多溴二苯醚 (PBDE) 部件名称 (Hg) (Cd) 住房 PCB板 电气连接器 压电晶体 环氧 铁氟龙 电子 厚膜基板 电线 电缆 塑料 焊接...
  • Page 5 Component Name Hazardous Substances Lead (Pb) Mercury (Hg) Cadmium (Cd) Chromium VI Polybrominated Polybrominated Compounds Biphenyls (PBB) Diphenyl Ethers (Cr(VI)) (PBDE) Housing PCB Board Electrical Connectors Piezoelectric Crystals Epoxy Teflon Electronics Thick Film Substrate Wires Cables Plastic Solder Copper Alloy/Brass This table is prepared in accordance with the provisions of SJ/T 11364.
  • Page 6 685B-Series Electronic Vibration Switch Operating Guide with Enclosed Warranty Information 3425 Walden Avenue, Depew, New York 14043-2495 Phone (716) 684-0003 Fax (716) 684-3823 Toll Free Line 1-800-959-4IMI MANUAL NUMBER: 34181 MANUAL REVISION: ECO# 47640...

  • Page 7: Table Of Contents

    Table of Contents Introduction ........................Page 3 General Features Specifications ........................Page 4 Installation and Wiring ..................... Page 5 Installation & Dimensional Drawings Pin Location Diagram- Models with Internal Accelerometer and Triac Relays Pin Location Diagram- Models with Internal Accelerometer and Electromechanical Relays Pin Location Diagram- Models with External Accelerometer and Triac Relays Pin Location Diagram- Models with External Accelerometer and Electromechanical Relays Configuring the 685B ......................

  • Page 8: Introduction

    Introduction The 685B-Series is an electronic vibration switch designed to monitor vibration levels and trip an alert when a specified limit is exceeded. A second onboard relay trips an alarm that can be used to shut down a piece of equipment or act as a secondary alert level.

  • Page 9: Specifications

    Specifications  Power Supply Voltage: …… 85-240 VAC, 12-30 VDC (factory set)  Power Supply Current: …… 150 mA max  Sensor Type: …… Piezoelectric Sensing Element  Standard Vibration Ranges: …… 0-5g pk, 0-1.5 ips pk, 0-3 ips pk, 0-50 mils pk-pk, 0-15 mils pk-pk (factory set) ...

  • Page 10: Installation And Wiring

    Installation and Wiring Installation The 685B-Series is designed to be mounted directly on the equipment to be monitored using a four-bolt pattern. There are also options to retrofit existing 3 bolt pattern installations. (Model 080A209 mounting plate required- see optional accessories on page 13). Use grease between all surfaces to insure specified frequency response, otherwise performance will be degraded.
  • Page 11 Standard Model Dimension Drawing with ½” NPT Conduit Hubs Inch (mm) PAGE 6...
  • Page 12 Explosion Proof Model Dimension Drawing Inch (mm) WARNING AC and DC input signals and power supply voltages could be hazardous. DO NOT connect live wires to screw terminal plugs, and DO NOT insert, remove, or handle screw terminal plugs with live wires connected. PAGE 7...

  • Page 13: Pin Location Diagram- Models With Internal Accelerometer And Triac Relays

    Connector and Pinout Diagram The 685B-Series uses screw terminal connectors for all input and output connections. Strip off 0.3” (8mm) of insulation from the connection wire ends. Feed the wire through the access ports, and terminate the wire in the correct location. Once connected, tug lightly on the wire to confirm connection is secure.

  • Page 14: Pin Location Diagram- Models With Internal Accelerometer And Electromechanical Relays

    Pin Location Diagram- Models with Internal Accelerometer and Electromechanical Relays Category Description + Power AC Power - Power/Common Earth Ground (Also connect to enclosure safety lug) Normally Closed (when dipswitch is in de-energized position) Alarm Output Common connection Normally Open (when dipswitch is in de-energized position) Normally Closed (when dipswitch is in de-energized position) Alert Output Common connection...

  • Page 15: Pin Location Diagram- Models With External Accelerometer And Triac Relays

    685B-Series. The external accelerometer is connected to +Sensor and –Sensor positions as indicated in the above figure and on the product label locate inside the top cover. The cable shield to the accelerometer should be grounded as required by local codes as well as to limit RFI/EMI interference.

  • Page 16: Pin Location Diagram- Models With External Accelerometer And Electromechanical Relays

    Sensor option is specified, an additional terminal block location is added to the 685B-Series. The external accelerometer is connected to +Sensor and –Sensor positions as indicated in the above figure and on the product label locate inside the top cover. The cable shield to the accelerometer should be grounded as required by local codes as well as to limit RFI/EMI interference.

  • Page 17: Configuring The 685B

    Internal Diagram- Models with Triac Relays The internal diagram displays the location of the control features for the triac versions of the 685B-Series. The alert and alarm set points are adjusted via the single turn potentiometers. The alarm relay is set using the first potentiometer, and the alert relay is set using the third.

  • Page 18: Internal Diagram- Models With Electromechanical Relays

    Internal Diagram- Models with Electromechanical Relays The internal diagram displays the location of the control features for the relay versions of the 685B-Series. The alert and alarm set points are adjusted via the single turn potentiometers. The alarm relay is set using the first potentiometer, and the alert relay is set using the third.

  • Page 19: Using Calibration Mode

    LED’s. This feature can be used to adjust time delays to the desired values. This can be accurately calculated using the “Test” button and a stopwatch. Connecting the Remote Reset The 685B-Series allows for remote reset when the switch is in latch mode via a short between the RESET and COMM pins. Connecting the Raw Vibration Output All models in the 685B-Series offer the option for obtaining accelerometer’s raw vibration signal.

  • Page 20: Optional Accessories

    Optional Accessories Model 080A209 Adapter Plate To retrofit old style vibration switch bolt patterns PAGE 15...
  • Page 21 Model 699A05 Portable 4-20 mA Calibrator Provides current output for 685B-Series testing, read-out and calibration purposes. Also receives and displays current signal from 4-20 mA proportional output from the 685B-Series. PAGE 16...

  • Page 22: Esd Sensitivity

    Warning 1 – ESD sensitivity The power supply/signal conditioner should not be opened by anyone other than qualified service personnel. This product is intended for use by qualified personnel who recognize shock hazards and are familiar with the safety precautions required to avoid injury. Warning 2 –...

  • Page 23: Ordering Information/ Model Matrix

    Ordering Information/ Model Matrix IMI Part Number: 685B 0 0 0 0 A1 0 Basic Model Series 685B Sensor Option Internal 100 mV/g ICP Sensor ® External 100mV/g ICP Sensor External 100 mV/g ICP Sensor (Low Frequency) Internal 100 mV/g ICP Sensor (Low Frequency) ®...
  • Page 24 Model Number Revision: NR ELECTRONIC VIBRATION SWITCH 685B4301A21 ECN #: 43224 Performance ENGLISH OPTIONAL VERSIONS Measurement Range 0 to 50 mil pk - pk 0 to 1.27 mm pk - pk Optional versions have identical specifications and accessories as listed for the standard Frequency Range(±...

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