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Wilcoxon iT301 Installation And Operating Manual

It300 series intelligent configurable transmitters
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Please read this manual thoroughly before making electrical connections and applying
power to the module. Following the instructions in this manual will ensure the transmitter
delivers optimum performance.
Newer versions of firmware may occasionally be released to address known bugs or add
new features. Make sure you always use the latest firmware version and product
documentation. Both can be found at www.wilcoxon.com.
Wilcoxon Sensing Technologies
an Amphenol Company
Germantown, MD 20876 USA
Intelligent Configurable Transmitters
Installation and Operating Manual
91457 Rev. C
Page 1 of 59
iT300 Series
Models iT300 and iT301
Tel: +1 (301) 330-8811
Tel: +1 800 WILCOXON
Fax: +1 (301) 330-8873
www.wilcoxon.com

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  • Page 1 Newer versions of firmware may occasionally be released to address known bugs or add new features. Make sure you always use the latest firmware version and product documentation. Both can be found at www.wilcoxon.com. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev.

  • Page 2: Table Of Contents

    Abbreviations used in this manual ...................... 8 Safety Regulations and Installation Notes ................... 8 Safety summary ..................................8 Declaration of conformity ................................8 iT300 family overview ......................... 9 System diagrams ..........................9 Major system components ..............................9 Basic circuit diagram .................................9 Isolation diagram ..................................9 Front panel LEDs ..........................
  • Page 3 18.6.2 Temperature measurement ............................30 18.6.3 BOV monitor ................................. 30 Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 3 of 59 www.wilcoxon.com...
  • Page 4 Customer service ................................40 Accessories ............................40 Appendix A: Technical data ........................41 Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 4 of 59...
  • Page 5 Input Registers (3X references) - Measurement results, module information ............... 56 Holding Registers (4X references) - User configurable parameters ..................57 Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873...
  • Page 6 Figure 20 - RS485 termination DIP switch location ............................46 Figure 21 - Big endian byte ordering ................................49 Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873...

  • Page 7: Introduction

    Introduction Key features This document contains information on the installation, General features (all models) configuration and operation of the iT300 Series of Intelligent  Field configurable via standard web browser Transmitters. The vibration transmitters are designed and  0.2 Hz – 20 kHz signal bandwidth (-3.0 dB, -0.1 dB) manufactured in the USA by Wilcoxon Sensing Technologies, ...

  • Page 8: Abbreviations Used In This Manual

    Disregarding this warning may result in damage to equipment and/or serious personal injury. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 8 of 59 www.wilcoxon.com...

  • Page 9: It300 Family Overview

    Base model. Accepts input from IEPE accelerometers or velocity transducers. Temperature sensor input. iT301 Same as iT300, but adds: alarm capability, signal relay output, Modbus over RS485, Modbus-TCP. System diagrams Major system components Figure 2 - Basic circuit diagram...

  • Page 10: Front Panel Leds

    Modbus packet that contains a matching slave address. Data packets not addressed to the module are ignored and do not cause LED activity. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 10 of 59 www.wilcoxon.com...

  • Page 11: Io Ports And Signal Assignments

    Table 1 - Terminal numbers and signal assignments *iT301 only Figure 4 - IO port and terminal block locations Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 11 of 59 www.wilcoxon.com...

  • Page 12: Electrical Connections And Wiring

    Use a flat-blade screwdriver to tighten the screw to a torque of 0.6 Nm (2.1 oz/in) Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 12 of 59 www.wilcoxon.com...

  • Page 13: Ma Current Loop Connections

    When connecting modules via the TBUS, connect only iT300 series modules together on the same bus. Do not connect any other types of modules or devices to an iT300 TBUS. Doing so may result in damage to the modules. Tel: +1 (301) 330-8811...

  • Page 14: Cable Shielding And Earth Ground Connections

    To facilitate connecting cable shields to earth ground, DIN-mount shield connection clamps and grounding terminal blocks are available from Wilcoxon. See section 25, “Accessories” for a complete list of items to complement the installation and operation of the transmitter.

  • Page 15: Io Ports - Detailed Description

    The analog input circuitry is powered by NE43. +24 VDC. For the iT300, the acceptable range for the BOV is 5 to 16 volts and is not user adjustable. For the iT301, the acceptable range for the sensor BOV can be adjusted via UI.

  • Page 16: Temperature Sensor Input

    4-20 mA signal. If the transmitter detects a fault with the Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873...

  • Page 17: Tbus

    When connecting modules via the TBUS, connect only iT300 series modules together on the same bus. Do not connect any other types of modules or devices to an iT300 TBUS. Doing so may result in damage to the modules. 13.1 Stacking modules Multiple modules can be connected together through the TBUS.

  • Page 18: Preparing The Din Rail Tbus Connectors

    When connecting modules via the TBUS, connect only iT300 series modules together on the same bus. Do not connect any other types of modules or devices to an iT300 TBUS. Doing so may result in damage to the modules. 14.5 Removing the module from the DIN rail The completed connector assembly on the rail.

  • Page 19: Http Web Server

    Establishing a network connection (PC, Laptop) Mb/s Half Duplex, 10 Mb/s Full Duplex, 100 Mb/s Half Duplex, iT300 series modules support the Internet Protocol version 4 and 100 Mb/s Full Duplex. The transceiver is configured for (IPv4) network addressing architecture. The default IPv4 Auto-Negotiation.

  • Page 20: Adjusting Network Adapter Settings

    Properties: In the following example, we will adjust a PC’s network adapter settings to be compatible with the iT300/301. The operating system is Windows 7. The procedure will differ for other operating systems. Consult a network administrator if you are unsure about making changes to network settings.

  • Page 21: Establishing A Network Connection

    (default is 192.168.0.100) in the Address field. Then, press Enter. Upon establishing a connection to the web server, the User Interface (UI) is displayed. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 21 of 59 www.wilcoxon.com...

  • Page 22: Figure 13 - User Interface (1 Of 2)

    Figure 13 - User Interface (1 of 2) Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 22 of 59 www.wilcoxon.com...
  • Page 23 User interface (continued) Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 23 of 59 www.wilcoxon.com...

  • Page 24: Configurable Parameters

    *iT301 only BOV alarm is enabled by default Table 2 - Factory default settings Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 24 of 59...

  • Page 25: Configuring The Transmitter

    User Name and Password fields. The default user name is user. The default password is admin. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873...

  • Page 26: Parameter Interdependencies

    If there are errors in any manually entered parameters, an error message will appear. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 26 of 59 www.wilcoxon.com...

  • Page 27: User-Configurable Parameters

    F Select the desired averaging time from the drop-down list. The default is one second. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 27 of 59 www.wilcoxon.com...

  • Page 28: Processing Bands

    5 kHz. The same is true for displacement, as very little motion is detectable above 500 Hz. Many vibration transmitters develop a peak value for vibration by using this method. The iT300 Series transmitters have this 18.4.2 START method available for detection to provide comparable results to...

  • Page 29: True Peak Detection

    (spike). Here, the pulse is less than a millisecond in duration, yet the module is able to accurately capture, and All iT300 series transmitters feature a “True Peak” detector. In hold, the peak level. contrast to the RMS power detectors, which operate on band-...

  • Page 30: Measurement Results

    Although the BOV conveys no vibration information, this option can be useful for monitoring For the iT300, the acceptable range for the BOV is 5 to 16 volts “sensor health.” and is not user adjustable. For the iT301, the acceptable range for the sensor BOV can be adjusted via the UI.

  • Page 31: Loop Full Scale

    “Save & Enable Changes” button! operations. Up to 16 characters can be entered. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 31 of 59 www.wilcoxon.com...

  • Page 32: Alerts And Alarms (It301)

    Uncheck the box to disable the limit. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873...

  • Page 33: Alarm Hold Time

    “Force” box and pressing the for which the hold time has not yet expired. “Save & Enable Changes” button! Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 33 of 59 www.wilcoxon.com...

  • Page 34: Example - Alarm Behavior

    The following example shows Alarm behavior for a Delay Time of 5 seconds and Hold Time of 10 seconds. Figure 15 - Effect of Alarm Delay and Hold times on alarm behavior Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873...

  • Page 35: User-Action Controls

    Loading a configuration from a file Configuration settings may be loaded (imported) from a file. This is convenient when several iT300/301 modules need to have similar or identical configurations. After pressing the “Load Configuration from File” button, follow the prompts and instructions that appear.

  • Page 36: Restoring Factory Default Settings

    Firmware may be an opportunity to proceed or cancel will be provided. downloaded from www.wilcoxon.com. Firmware files have a “.isupdate” extension. After downloading and saving the file, use The factory default settings may also be restored by using the the “Update Firmware”...

  • Page 37: Troubleshooting

    Incorrect sensitivity front-panel BNC connector. The DC bias must be in the Incorrect frequency settings range of 5 to 16 volts (iT300). If outside this range, check Incorrect detector type sensor wiring and ensure IEPE Power is enabled. Incorrect units ...
  • Page 38 “Factory Restore” to reset the IP address to the default value.  Check for BOV “Fault” indication on the UI and front panel  Verify the iT300/301 and Link Partner network settings are  Verify a compatible sensor is connected. correct. See section 15.3, “Establishing a network ...

  • Page 39: Application Example

    Application example Figure 16 - Application example Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 39 of 59 www.wilcoxon.com...

  • Page 40: Maintenance And Calibration

    Maintenance and calibration The iT300 series intelligent transmitters contain no user-serviceable parts. All units are factory-calibrated and require no field adjustment or service. The units have been designed to provide years of continuous, trouble free service under normal operating conditions.

  • Page 41: Appendix A: Technical Data

    ±1% of full scale, 5 Hz – 5 kHz, Bands 1&2, acceleration input Number of FFT lines 1,600 FFT window type Hanning Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 41 of 59 www.wilcoxon.com...
  • Page 42 Isolation 1500 VRMS, min., per IEEE 802.3 requirement * iT301 only Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 42 of 59...
  • Page 43 - Particular Requirements - Test configuration  NAMUR NE 21 EMC recommendations Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 43 of 59...

  • Page 44: Appendix B: Modbus (It301)

    *After receiving a slave response, the master should not send another query before the end-of-message idle time has expired. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873...

  • Page 45: Ascii Mode

    ⃝ (20) (D)B Figure 17 - RS485 terminal block connections Figure 18 - RS485 TBUS terminal locations Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 45 of 59 www.wilcoxon.com...

  • Page 46: Activating The Rs485 Termination Resistor

    RT = 120 Ω Figure 19 - Proper RS485 terminations Figure 20 - RS485 termination DIP switch location Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 46 of 59 www.wilcoxon.com...

  • Page 47: Line Polarization

    Tech tip! ASCII mode must have either odd or even parity. No parity is not permitted. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 47 of 59 www.wilcoxon.com...

  • Page 48: Stop Bits

    Reads the contents of one or more 16-bit input registers (3X references) Queries containing non-supported function codes will cause an exception response to be returned. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873...

  • Page 49: Data Types

    Exp = exponent Man = mantissa (fraction) Figure 21 - Big endian byte ordering Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 49 of 59...

  • Page 50: Examples - Reading Modbus Registers

    Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873...

  • Page 51: Reading Discrete Inputs

    The response data field consists of four bytes: 42_90_99_9A (hex) = 72.3 degrees. Tech tip! Web-based applications that convert binary numbers to floating point are widely available. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 51 of 59 www.wilcoxon.com...

  • Page 52: Reading Holding Registers

    The response data field consists of two bytes. From the register table, we know the “Loop A source” register is a binary-encoded register. A value of 5 (decimal) indicates “Temperature” is mapped to Current Loop A. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873...

  • Page 53: Reading The Module Ip Address

    The response data field consists of four bytes: C0.A8.00.64 (hex) = 192.168.0.100. The same query format is used to retrieve the subnet mask and default gateway. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873...

  • Page 54: Reading The Module Ip Address Via Modbus-Tcp

    Note that the CRC (or LRC) bytes are NOT required in Modbus-TCP. Instead, the TCP/IP and link layers verify packet integrity. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873...

  • Page 55: Rs485 Modbus Troubleshooting Guide

    10. Use a software-based Modbus tester, such as Modbus Poll from modbustools.com, to aid troubleshooting. 11. Visit modbus.org for technical references on Modbus installation and operation. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873...

  • Page 56: Modbus Register Tables

    MAC address 8-bit binary (6x) 30023 0017 Firmware revision Float Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 56 of 59 www.wilcoxon.com...

  • Page 57: Holding Registers (4X References) - User Configurable Parameters

    40107 006B Gap high limit Float Continued on next page… Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 57 of 59 www.wilcoxon.com...
  • Page 58 8-bit binary (4x) 40154 009A Default gateway 8-bit binary (4x) Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev. C an Amphenol Company Fax: +1 (301) 330-8873 Germantown, MD 20876 USA Page 58 of 59 www.wilcoxon.com...

  • Page 59: Revision History

    Changed data type of “Firmware revision” from ASCII to float. Updated all tables. 8/17 Document Change to Wilcoxon format. NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies Tel: +1 800 WILCOXON 91457 Rev.

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