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Precision Digital Corporation PDW30 Instruction Manual

Point-to-point wireless bridge
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PDW30 Point-to-Point Wireless Bridge
Instruction Manual
 Signal Wire Replacement in a Rugged, Industrial Housing
 Simple to Order, Configure, & Install
 Range: 1 Mile Line-of-Sight, 500 ft. Indoor
 Analog & Digital Inputs and Outputs, RS-485 Communications
 Remote or Attached Antenna
 Repeaters and Directional Antennae Available
 Flanges for Wall or Pipe Mounting
 PC Software Available for Even Easier Setup
 Rugged, NEMA 4X/IP68 Enclosure
PRECISION DIGITAL CORPORATION
233 South Street • Hopkinton MA 01748 USA
Tel (800) 343-1001 • Fax (508) 655-8990
Wireless System
www.predig.com

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Summary of Contents for Precision Digital Corporation PDW30

  • Page 1 PDW30 Point-to-Point Wireless Bridge Instruction Manual Wireless System  Signal Wire Replacement in a Rugged, Industrial Housing  Simple to Order, Configure, & Install  Range: 1 Mile Line-of-Sight, 500 ft. Indoor  Analog & Digital Inputs and Outputs, RS-485 Communications ...
  • Page 2 Limited Warranty Precision Digital Corporation warrants this product against defects in material or workman- ship for the specified period under “Specifications” from the date of shipment from the fac- tory. Precision Digital’s liability under this limited warranty shall not exceed the purchase value, repair, or replacement of the defective unit.

  • Page 3: Table Of Contents

    Connections ............8 Mounting Dimensions..........28 Power Connector ..........9 Table of Figures Figure 1. PDW30 Device Assembly, Rear View ..8 Figure 7. Multiple Device RS485 Modbus Figure 2. Power Connections ........9 Connection ............10 Figure 8. Enclosure Dimensions – Front View ..28 Figure 3.

  • Page 4: Introduction

    The PDW30 is simple to order, simple to configure, and easy to trust with your application. Guaranteed ranges assure it will work with your application, or you can send it back - no ques- tions asked.

  • Page 5: Specifications

    PDW30 Point-to-Point Wireless Bridge Instruction Manual Specifications Except where noted all specifications apply to operation at +25°C. Range 500 ft (152.4 m) indoor, 1 mi General (1.61 km) outdoor (line-of-sight) Display 32-character dual-line alphanumeric Encryption AES 128-bit encryption available dot matrix LCD display with back- using PDW Manager software light (4.68mm x 2.21mm characters)

  • Page 6: Rs485 Modbus ® Rtu Serial Comms

    PDW30 Point-to-Point Wireless Bridge Instruction Manual 0.01 – 2.54 second ® RS485 Modbus RTU Serial Comms Byte-To-Byte Timeout Compatibility EIA-485 Turn Around Less than 2 ms (fixed) Delay Connectors Removable screw terminal con- nector PDW Manager Software Max Distance 3,937' (1,200 m) max ®...

  • Page 7: Pre-Installed Conduit Plug

    The conduit plug includes an internal hexagonal socket recess for removal. Mounting Instructions The PDW30 has two mounting holes that may be used for a 1.5” pipe mounting or wall mounting. Alterna- tively, the unit may be supported by the conduit using the conduit holes provided. The antenna is threaded into one of the three conduit holes and may be moved as appropriate for the installation.

  • Page 8: Connections

    Figure 1 below shows the locations of screw terminal blocks on the rear of the wireless unit assembly. Wireless Module Figure 1. PDW30 Device Assembly, Rear View...

  • Page 9: Power Connector

    PDW30 Point-to-Point Wireless Bridge Instruction Manual Power Connector Power connections are made to a two-terminal connector labeled POWER in Figure 1. The meter will operate re- gardless of DC polarity connection. The + and - symbols are only a suggested wiring convention.

  • Page 10: Figure 5. Digital I/O Connections

    Figure 5. Digital I/O Connections Modbus RTU Serial Communications The PDW30 acts as a simple pass-through for Modbus communications. As such, multiple Modbus ena- bled devices may transmit wirelessly using the PDW30 Wireless Bridge. (PDW30 Wireless Device) Shield...

  • Page 11: Setup And Programming

    PDW30 Point-to-Point Wireless Bridge Instruction Manual Setup and Programming The units are factory calibrated prior to shipment to read in milliamps and volts depending on the input selection. The calibration equipment is certified to NIST standards. Overview There are no jumpers to set for wireless device input selection.

  • Page 12: Programming Buttons

    PDW30 Point-to-Point Wireless Bridge Instruction Manual Programming Buttons The units can be programmed using the buttons located behind the enclosure cover. Use the menu but- ton to enter or exit programming mode, the next button to cycle forward through menu options, the previ- ous button to cycle backward through menu options, and the enter button to select the menu item or op- tion you want.

  • Page 13: Pdw Manager Software

    Note: Units must be powered externally prior to programming via USB. PDW Manager is available on the included CD or online at www.predig.com/PDWManager. Instructions on the use of PDW Manager to program the PDW30 wireless units can be found under Pro- gramming with PDW Manager on page 21.

  • Page 14: Display Functions & Messages

    PDW30 Point-to-Point Wireless Bridge Instruction Manual Display Functions & Messages Shown below is a list of all display messaged in each device’s setup menu. This list is in order of appear- ance when pressing the next button. An indented line indicates a sub-menu or item.

  • Page 15: Secondary Unit

    PDW30 Point-to-Point Wireless Bridge Instruction Manual Display Action/Setting Description DATA FORMAT Displays the Modbus data format setting (press enter to change) Data format 8E1 Data format 8O1 Data format 8N2 BACK TO SETUP MENU Return to the setup menu PASSWORD SETUP...

  • Page 16: Setup Menu

    PDW30 Point-to-Point Wireless Bridge Instruction Manual Setup Menu ® The setup menu consists of analog, digital (discrete), and Modbus input/output settings, network ID, password, and factory defaults restoration. The primary wireless unit determines network protocol and digital I/O settings for the secondary unit, sim- plifying the setup process.

  • Page 17: Primary Device Menus

    PDW30 Point-to-Point Wireless Bridge Instruction Manual Primary Device Menus Analog Input Setup Enter the Analog Input menu to set up the wireless unit to accept either a current or a voltage input. The current input is capable of accepting a signal from 4 to 20 mA. The voltage input is capable of accept- ing a 0 to 10 VDC signal, 0 to 5 VDC signal, or 1-5 VDC signal.
  • Page 18 PDW30 Point-to-Point Wireless Bridge Instruction Manual Network and Modbus Setup The Network and Modbus Setup menu is where the wireless device’s Network ID is set and Modbus ® rial communications settings are programmed. increments selected digit. selects next digit to the right.
  • Page 19 PDW30 Point-to-Point Wireless Bridge Instruction Manual Password Setup Both the primary and secondary wireless units may be protected with a four digit numeric password in or- der to prevent unauthorized tampering. When a password has been set, you will be prompted to enter that password in order to access the device menu.

  • Page 20: Secondary Device Menus

    PDW30 Point-to-Point Wireless Bridge Instruction Manual Secondary Device Menus The secondary device has less menu options than the primary device, shown below. ANALOG INPUT SET: 4-20mA MODBUS TIMEOUT Run Mode SET: 0.2 SEC RSSI 10 ANALOG INPUT increments selected digit.

  • Page 21: Programming With Pdw Manager

    Programming with PDW Manager PDW Manager allows you to program the PDW30 wireless units from a PC with a USB connection. Units connect to a PC via the micro USB connection on their face, underneath the enclosure cover. Use of PDW Manager is required for programming advanced settings such as wireless encryption and analog signal calibration.
  • Page 22 PDW30 Point-to-Point Wireless Bridge Instruction Manual The devices’ analog inputs and outputs can be calibrated using the Calibration tabs. The IO Testing tab allows you to perform diagnostics and testing on the units. Calibration – Analog Input Calibration – 4-20mA Output...
  • Page 23 PDW30 Point-to-Point Wireless Bridge Instruction Manual IO Testing Device communication can be secured by enabling 128-bit AES encryption. A channel mask may also be set for interference immunity. The encryption key and channel mask may be entered on the Advanced tab.

  • Page 24: Troubleshooting

    • If communicating over distance of miles, con- sider installing high gain directional antenna. • If there are multiple PDW30 wireless bridges, Multiple wireless devices in the verify that each pair has its own unique net- area with the work ID.
  • Page 25 PDW30 Point-to-Point Wireless Bridge Instruction Manual Symptom Possible Cause Corrective Action • Make sure that input type on the device is Wireless device has mismatched correct for the analog input being used. Op- Destination device reads out input type. tions are 4-20 mA, 0-10 V, 0-5 V, or 1-5 V.
  • Page 26 PDW30 Point-to-Point Wireless Bridge Instruction Manual Symptom Possible Cause Corrective Action • The device must be powered by a 12/24 Wireless device is not powered. VDC power supply in order for the PC to rec- ognize it. Power the wireless device and try again.

  • Page 27: Factory Defaults & User Settings

    PDW30 Point-to-Point Wireless Bridge Instruction Manual Factory Defaults & User Settings The following table shows the factory setting for most of the programmable parameters on the device. Next to the factory setting, the user may record the new setting for the particular application.

  • Page 28: Mounting Dimensions

    PDW30 Point-to-Point Wireless Bridge Instruction Manual Mounting Dimensions 2.31 (58.6) 4.00 (101.6) Ø 0.35 (Ø 9.0) 2.17 (55.0) 4.27 (108.4) 2.74 (69.7) 3.62 (92.0) 2.44 (61.9) 4.30 (109.2) ½ " NP T Figure 8. Enclosure Dimensions – Front Figure 9. Enclosure Dimensions – Side...
  • Page 29 PDW30 Point-to-Point Wireless Bridge Instruction Manual This Page Intentionally Left Blank...
  • Page 30 PDW30 Point-to-Point Wireless Bridge Instruction Manual How to Contact Precision Digital  For technical support, please: Call: (800) 610-5239 or (508) 655-7300 Fax: (508) 655-8990 Email: support@predig.com  For sales support or to place an order, please contact your local distributor or:...

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