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Precision Digital Corporation PDW90 Instruction Manual

Point to multi-point wireless system
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PDW90 Point to Multi-Point Wireless System
Instruction Manual
•
Signal Wire Replacement System Consisting of Wireless Base Station and Field Units
•
Wireless Point to Multi-Point Signal Wire Replacement for up to 32 4-20 mA Signals
•
Range: 1 Mile Line-of-Sight Outdoor, 500 Feet Indoor; Repeaters Available to Extend Range
•
Wireless Transmission Between Base Station and any Field Unit of
o 4-20 mA (Separate Signals to and from Base Station)
o Discrete (4 digital I/O Signals to and from Base Station)
o RS-485 Modbus
•
Inputs: (Wired to Field Units) 4-20 mA or 0-10 V (1), Discrete/Digital (up to 4), Modbus
•
Outputs: (Wired to Field Units) 4-20 mA (1), Discrete/Digital (up to 4), Relays (2, opt), Modbus
•
Base Station I/O Modules for 4-20 mA Inputs, 4-20 mA Outputs, Relay Outputs, Digital I/O
•
Base Stations with slots for 2, 6, or 16 Field Installable I/O Modules and Modbus
•
Loss of Signal (LoS) Digital Output
•
PDA10 Signal Strength Survey Tool to "Try Before You Buy"
•
Simple to Configure Using PDW Manager Programming Software and On-Board USB
•
Device Communication Secured by Enabling 128-bit AES Encryption
•
Password Protection
•
Remote Yagi Directional Antennas Available
•
Base Stations Housed in Plastic NEMA 4X Field Enclosures
•
Field Units Available in IP68, NEMA 4X Aluminum & Stainless Steel Enclosures
•
Field Unit Operating Temperature Range: -55 to 75°C (-67 to 167°F)
•
PCBs are Conformal Coated for Dust & Humidity Protection
•
Power: 9-30 VDC, Base Station & Field Units
•
3-Year Warranty
PRECISION DIGITAL CORPORATION
233 South Street • Hopkinton MA 01748 USA
Tel (800) 343-1001
www.predig.com

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Summary of Contents for Precision Digital Corporation PDW90

  • Page 1 PDW90 Point to Multi-Point Wireless System Instruction Manual • Signal Wire Replacement System Consisting of Wireless Base Station and Field Units • Wireless Point to Multi-Point Signal Wire Replacement for up to 32 4-20 mA Signals • Range: 1 Mile Line-of-Sight Outdoor, 500 Feet Indoor; Repeaters Available to Extend Range •...

  • Page 2: Table Of Contents

    PDW90 Point to Multi-Point Wireless System Instruction Manual Table of Contents Introduction ......................5 Key Features ....................... 6 PDW Manager PC Software ................6 Plastic NEMA 4X Base Stations Available in Three Sizes ......7 CapTouch Through-Glass Buttons ............... 7 Field Units Available in Aluminum or Stainless Steel .........
  • Page 3 PDW90 Point to Multi-Point Wireless System Instruction Manual Base Station Connections ................30 Base Station Sub Panel (Connector Board) ..........30 Installing Base Station I/O Modules............32 Base Station Wiring Diagrams ..............33 Power Connections ..................33 Dual Analog Output Connections ............... 33 Four Digital I/O Connections ..............
  • Page 4 PDW90 Point to Multi-Point Wireless System Instruction Manual Table of Figures Figure 1. 2-Module Base Station Dimensions ..........27 Figure 2. 6-Module Base Station Dimensions ..........27 Figure 3. 16-Module Base Station Dimensions ..........28 Figure 4. Enclosure & Antenna Dimensions – Front View ......29 Figure 5.

  • Page 5: Introduction

    Disclaimer Introduction The information contained in this document is In its most basic form, the PDW90 consists of field units subject to change without notice. Precision Digital (up to 32) that accept 4-20 mA signals and transmits Corporation makes no representations or them wirelessly to a base station.

  • Page 6: Key Features

    PDW Manager PC Software is required to program base stations are easy to install and add functionality the PDW90 wireless base station; there are no to the wireless system. The electronics in the modules programming buttons on the unit. PDW field units are completely enclosed for protection.

  • Page 7: Plastic Nema 4X Base Stations Available In Three Sizes

    Field Unit Relays Option Module CapTouch Through-Glass Buttons The PDW90 field units are available with a relays op- tion module that includes two Form A (SPST) relays. The PDW90 field units are equipped with four capaci- The module is easily installed by the user into the tive sensors that operate as through-glass buttons so base of the enclosure with the four screws provided.

  • Page 8: Application Examples

    Wireless Tank Level Monitoring of Two Tanks with Field Alarms Note: Power requirements / connections not shown in diagram. Consult manuals for details. Cover of PDW90 removed to show I/O modules. • In the two tanks, the level transmitter’s 4-20 mA signal is connected to the PDW90 field unit’s analog input.

  • Page 9: Wireless Tank Level Monitoring Of Level Switches

    Wireless Tank Level Monitoring of Level Switches Note: Power requirements / connections not shown in diagram. Consult manuals for details. Cover of PDW90 removed to show I/O modules. • The switch contacts from the two level switches in each tank are connected to the digital inputs on the field units.

  • Page 10: Wireless Tank Level Monitoring Of 32 Modbus Rtu Server Transmitters

    Wireless Tank Level Monitoring of 32 Modbus RTU Server Transmitters Note: Power requirements / connections not shown in diagram. Consult manuals for details. Cover of PDW90 removed to show I/O modules. • The 32 field units are not wired together.

  • Page 11: Wireless Tank Level Monitoring Of 32 4-20 Ma Transmitters

    Wireless Tank Level Monitoring of 32 4-20 mA Transmitters Note: Power requirements / connections not shown in diagram. Consult manuals for details. Cover of PDW90 removed to show I/O modules. • The 32 field units send the 4-20 mA signals wirelessly to the base station.

  • Page 12: Wireless Remote Valve Control On Two Tanks

    Wireless Remote Valve Control on Two Tanks Note: Power requirements / connections not shown in diagram. Consult manuals for details. Cover of PDW90 removed to show I/O modules. • In the two tanks, the level transmitter’s 4-20 mA signal is connected to the PDW90 field unit’s analog input.

  • Page 13: Wireless Tank Level Monitoring On Four Tanks

    Note: Power requirements / connections not shown in diagram. Consult manuals for details. Cover of PDW90 removed to show I/O modules. • The level in each tank is measured by a 4-20 mA level transmitter that is connected to a PDW90 field unit.

  • Page 14: Wireless Transmission Of Modbus Inputs And Outputs

    Wireless Transmission of Modbus Inputs and Outputs Note: Power requirements / connections not shown in diagram. Consult manuals for details. Cover of PDW90 removed to show I/O modules. • The ConsoliDator+ Modbus client is connected to the base station and sends wireless requests to the level transmitters via the PDW90 field units.

  • Page 15: Extending Signal Range With Pdwr Repeaters

    Extending Signal Range with PDWR Repeaters Note: Power requirements / connections not shown in diagram. Consult manuals for details. Cover of PDW90 removed to show I/O modules. • The PDW30 field units are too far away from the base station, so a PDWR repeater unit is installed in the application to extend the wireless signal range.

  • Page 16: Ordering Information

    2. Base station modules are ordered separately and installed in base station by customer. 3. PDW90 field units and PDWR repeaters come standard with two 3/4" NPT conduit holes. To order models with M20 conduit holes instead, add -22 at the end of the part number (e.g. PDW90-GP-AL-FIELD-22).
  • Page 17 PDW30 or PDW90 equipment Use repeaters to broadcast over very long distances installation. The target unit is set in a desired installa- or around permanent obstacles.
  • Page 18 PDW unit in a con- 40-foot extension cables used to extend the distance venient location for monitoring. between the Yagi Antenna and the PDW30 or PDW90 wireless units. The extension cables also come with Model Number...

  • Page 19: Specifications

    PDW90 Point to Multi-Point Wireless System Instruction Manual Dual Analog Input Module Specifications Inputs (2) Two Field selectable: Except where noted all specifications apply to operation at +25°C. 4-20 mA, 0-10 V, 0-5 V, 1-5 V PDW90 Base Station Accuracy ±0.03% of calibrated span ±1 count...

  • Page 20: Digital Inputs / Outputs Module

    PDW90 Point to Multi-Point Wireless System Instruction Manual Digital Inputs / Outputs Module Dual Relays Module Channels Number of Relays (2) Two (4) Four digital I/O connections, independently field selectable as either Rating SPDT (Form C); inputs or outputs. rated 3 A @ 30 VDC and 125/250 VAC A digital output can be used to indicate resistive load;...

  • Page 21: Pdw90 Field Unit

    PDW90 Point to Multi-Point Wireless System Instruction Manual Enclosure PDW90 Field Unit Material -AL Models: General ASTM A413 LM6 die-cast aluminum, copper-free, enamel coated. Display 32-character dual-line alphanumeric dot -SS Models: matrix LCD display with backlight ASTM A743 CF8M investment-cast Visual Area: 2.54"...

  • Page 22: Digital Inputs / Outputs

    PDW90 Point to Multi-Point Wireless System Instruction Manual Digital Inputs / Outputs Optional Relays Number of Relays (2) Two Form A (SPST) Channels (4) Four (discrete) digital I/O connec- 250 VAC @ 5 A resistive load Rating tions, independently field selectable as either inputs or outputs.

  • Page 23: Pdwr Wireless Repeater

    PDW90 Point to Multi-Point Wireless System Instruction Manual Enclosure PDWR Wireless Repeater AL Models: Material General ASTM A413 LM6 die-cast aluminum, copper-free, enamel coated. Display 32-character dual-line alphanumeric dot -SS Models: matrix LCD display with backlight ASTM A743 CF8M investment-cast Visual Area: 2.54"...

  • Page 24: Base Station, Field Unit, Repeater

    PDW90 Point to Multi-Point Wireless System Instruction Manual PDW Manager Software Base Station, Field Unit, Repeater System ® ® Microsoft Windows 10/11 Requirements Wireless Radio Communications USB 2.0 Base Station: Standard USB A to USB Frequency 900 MHz Type B Range 500 ft (152.4 m) indoor,...

  • Page 25: Safety Information

    Report damages, if any, to the carrier. If any part is missing or the units malfunction, please contact your supplier or the factory for assistance. The PDW90 16-Module Base Station shown with Installation supplied mounting flanges and 4 screws installed.

  • Page 26: Field Unit Cover Jam Screw

    PDW90 Point to Multi-Point Wireless System Instruction Manual FCC Notice Field Unit Cover Jam Screw Contains FCC ID: MCQ-XB900HP The cover jam screw should be properly installed once The enclosed device complies with Part 15 of the the wireless units have been wired and tested. The FCC Rules.

  • Page 27: Dimensions

    PDW90 Point to Multi-Point Wireless System Instruction Manual Dimensions Base Station Dimensions Figure 1. 2-Module Base Station Dimensions Figure 2. 6-Module Base Station Dimensions...

  • Page 28: Figure 3. 16-Module Base Station Dimensions

    PDW90 Point to Multi-Point Wireless System Instruction Manual Figure 3. 16-Module Base Station Dimensions...

  • Page 29: Field Unit Dimensions

    PDW90 Point to Multi-Point Wireless System Instruction Manual Field Unit Dimensions Figure 6. Enclosure Dimensions – Top View PDWA6963-SS Stainless Steel Pipe Mount Kit for Field Units Figure 4. Enclosure & Antenna Dimensions – Front View Figure 7. PDWA6963-SS Stainless Steel Pipe Mounting Kit...

  • Page 30: Base Station Connections

    The connectors for the base station are accessed by opening the enclosure door. Power, signal, I/O, and Modbus RS-485 connections are made to removable screw terminal connectors. • The PDW90 base station must be powered down completely prior to installing or removing any modules. Failure to do so could result in damage to the electronics.

  • Page 31: Figure 9. 6-Module Base Station Sub Panel (Connector Board)

    PDW90 Point to Multi-Point Wireless System Instruction Manual Figure 9. 6-Module Base Station Sub Panel (Connector Board) Figure 10. 2-Module Base Station Sub Panel (Connector Board)

  • Page 32: Installing Base Station I/O Modules

    PDW90 Point to Multi-Point Wireless System Instruction Manual Installing Base Station I/O Modules The input/output modules easily snap into place on the connector board of the base station ensuring a secure and perfect fit every time. Each module also comes with connector plugs for easy wiring. There are four types of modules available: Dual Analog Inputs, Dual Analog Outputs, Four Digital I/O, and Dual Relay Outputs.

  • Page 33: Base Station Wiring Diagrams

    PDW90 Point to Multi-Point Wireless System Instruction Manual Four Digital I/O Connections Base Station Wiring Diagrams The digital I/O module includes four independently Power Connections programmable I/O channels. All digital connections are referenced to ground; digital input connections Power connections are made to a two-terminal con- have an internal pull-up resistor.

  • Page 34: Switching Inductive Loads

    Switching Inductive Loads Modbus RTU Serial Communications The use of suppressors (snubbers) is strongly recom- The PDW90 base station acts as a simple pass- mended when switching inductive loads to prevent through for Modbus communications. As such, multi- disrupting the microprocessor’s operation. The sup- ple Modbus enabled devices may transmit and re- pressors also prolong the life of the relay contacts.

  • Page 35: Field Unit Connections

    PDW90 Point to Multi-Point Wireless System Instruction Manual Field Unit Connections To access the connectors, remove the enclosure cover and unclip the display module by pulling it from the enclosure. Signal and power connections are made to removable connectors on the back of the display module. Relay output connections (if installed) are made to removable connectors on the relays option module mounted in the base of the enclosure.

  • Page 36: Figure 21. Field Unit Display Module Connectors

    PDW90 Point to Multi-Point Wireless System Instruction Manual The following diagrams show the locations of the connectors on the back of the display module and the relays option module on the base of the enclosure. Display Module Relays Option Module Figure 21.

  • Page 37: Field Unit Wiring Diagrams

    PDW90 Point to Multi-Point Wireless System Instruction Manual Input Signal Connections Field Unit Wiring Diagrams The analog input may be either 4-20 mA, 0-10 V, Power Connections 0-5 V, or 1-5 V. The appropriate input type must be programmed for each unit.

  • Page 38: Digital I/O Connections

    PDW90 Point to Multi-Point Wireless System Instruction Manual Digital I/O Connections Modbus RTU Serial Communications All digital connections are referenced to ground. The The Field Unit acts as a simple pass-through for Mod- base station I/O settings determine the I/O settings of the bus communications.

  • Page 39: Setup And Programming

    PDW90 Point to Multi-Point Wireless System Instruction Manual Setup and Programming The base station and field units are factory calibrated prior to shipment to read analog inputs in milliamps or volts depending on the input selection. The calibration equipment is certified to NIST standards.

  • Page 40: Connecting Field Units To The Base Station

    Connecting Field Units to the Base Station The first step in the PDW90 programming process is to connect all of the wireless field units to the base station. Con- figuration of the base station is accomplished using the PDW Manager software. The field units may be programmed using PDW Manager, however, because of the limited number of options, it is easier in most cases to use the CapTouch through-glass buttons.

  • Page 41: Base Station Configuration

    PDW90 Point to Multi-Point Wireless System Instruction Manual Base Station Configuration The Base Station Configuration tab is where the base station name, network ID, password, and Modbus settings may be modified. Once the modifications are complete, click the Save Settings button to write the current settings to the device.

  • Page 42: Input / Output Base Station Module Configuration

    PDW90 Point to Multi-Point Wireless System Instruction Manual Input / Output Base Station Module Configuration The Base Station I/O Configuration tab is where individual I/O modules connected to the base station are pro- grammed. Click on one of the installed modules in the I/O Modules list to the left of the screen to begin programming that module.
  • Page 43 PDW90 Point to Multi-Point Wireless System Instruction Manual Dual Analog Output Base Station Module Each Analog Output module has two 4-20 mA output channels. Each channel may be independently programmed and mapped to remote analog inputs or Modbus registers. Once the module’s settings have been modified, click the Save Module Configuration button to save these settings to the base station.
  • Page 44 PDW90 Point to Multi-Point Wireless System Instruction Manual Four Digital I/O Base Station Module Each Digital I/O module has four I/O channels. Each channel may be independently programmed as either an input or an output. These channels may also be mapped to a remote digital I/O or Modbus register. Once the module’s settings have been modified, click the Save Module Configuration button to save these settings to the base station.
  • Page 45 PDW90 Point to Multi-Point Wireless System Instruction Manual Dual Relay Base Station Module Each Relays module has two channels. Each channel may be independently programmed and mapped to remote digital I/O or Modbus registers. Once the module’s settings have been modified, click the Save Module Configuration button to save these settings to the base station.

  • Page 46: Field Unit Configuration

    PDW90 Point to Multi-Point Wireless System Instruction Manual Field Unit Configuration The Field Unit Configuration tab is where connected field units are programmed to communicate with the base sta- tion. Select a connected field unit from the Connected Clients list in order to begin programming that unit.
  • Page 47 PDW90 Point to Multi-Point Wireless System Instruction Manual 4-20 mA Analog Output The 4/20mA Output tab is used to program the selected field unit’s analog output. Once the module’s settings have been modified, click the Save Configuration button to save these settings to the field unit.
  • Page 48 PDW90 Point to Multi-Point Wireless System Instruction Manual Digital I/O Each field unit has four digital I/O channels. Each channel can be independently programmed as either an input or an output. Once the module’s settings have been modified, click the Save Configuration button to save these settings to the field unit.
  • Page 49 PDW90 Point to Multi-Point Wireless System Instruction Manual Modbus RTU Each field unit is capable of transmitting Modbus RTU serial communications. Enter the Modbus network settings on the Modbus tab in order to communicate with the Modbus network. The Modbus address must be unique in order to ensure field unit/base station connectivity.

  • Page 50: Advanced Configuration For Base Station

    PDW90 Point to Multi-Point Wireless System Instruction Manual Advanced Configuration for Base Station Device communication can be secured by enabling 128-bit AES encryption. A channel mask may also be set for in- terference immunity. The encryption key and channel mask are entered on the Advanced tab. Once the encryption information is entered, click Save Settings.

  • Page 51: Programming The Field Units

    Link Status LINK OK / Displays whether or not the units CONNECTING Buttons & Display for PDW90 Field Unit are currently connected. Analog Input/Analog Output AIN / Labels for the current analog input and analog output...

  • Page 52: Captouch Buttons

    Instruction Manual CapTouch Buttons CapTouch Button Tips The CapTouch buttons are designed to work under The PDW90 field units are equipped with four capaci- any lighting condition and to protect against false tive sensors that operate as through-window buttons triggering.

  • Page 53: Field Unit Setup Menu

    PDW90 Point to Multi-Point Wireless System Instruction Manual Field Unit Setup Menu The setup menu consists of analog, digital (discrete), and Modbus input/output settings, network ID, password, and factory defaults restoration. Display Functions & Messages Shown below is a list of all display messaged in each field unit’s setup menu. This list is in order of appearance when pressing the NEXT button.
  • Page 54 PDW90 Point to Multi-Point Wireless System Instruction Manual Entering Numeric Values Making Changes to a Password Protected Wireless Unit Numeric values are set using the NEXT and UP buttons. Press NEXT to select next digit and UP Once a password has been set on the device, you will to increment digit value.

  • Page 55: Programming The Field Units With Pdw Manager

    PDW90 Point to Multi-Point Wireless System Instruction Manual Programming the Field Units with PDW Manager The field units can be programmed using the PC based PDW Manager, although it is easier to use the CapTouch through-glass buttons because of the limited number of options available on the field unit. Field units connect to a PC via the micro USB connection on the side of the electronics module, underneath the enclosure cover.

  • Page 56: Configuring The Field Units

    PDW90 Point to Multi-Point Wireless System Instruction Manual Configuring the Field Units The image below shows the available options on the Configuration tab while the field unit is connected. The network ID, Modbus settings, and password are configured from this tab.

  • Page 57: Calibrate The Field Unit's Analog Input And Output

    PDW90 Point to Multi-Point Wireless System Instruction Manual Calibrate the Field Unit’s Analog Input and Output The field unit’s analog input and output can be calibrated using the Analog Input and 4/20mA Output tabs. Note: The field units are factory calibrated prior to shipment to read analog input in milliamps and volts depending on the input selection.

  • Page 58: Advanced Configuration For Field Units

    PDW90 Point to Multi-Point Wireless System Instruction Manual Advanced Configuration for Field Units • The advanced configuration for field units is accessible only by connecting directly to USB port of the field unit. Device communication can be secured by enabling 128-bit AES encryption. A channel mask may also be set for in- terference immunity.

  • Page 59: Troubleshooting

    • If communicating over distance of miles, consider installing PDWR Repeaters or a high gain directional antenna. • If there are multiple PDW90 wireless systems or Multiple wireless devices in the area PDW30 wireless signal bridges, verify that each system with the same ID.
  • Page 60 PDW90 Point to Multi-Point Wireless System Instruction Manual Symptom Possible Cause Corrective Action • Make sure that input type on the device is correct for Wireless device has mismatched input the analog input being used. Options are 4-20 mA, 0-10 type.
  • Page 61 PDW90 Point to Multi-Point Wireless System Instruction Manual • Wireless device is The Base Station and the Field units require 9-30 VDC not powered. power in order for the PC to recognize them. Power the Device will not connect wireless device and try again.
  • Page 62 PDW90 Point-to-Multipoint Wireless System Instruction Manual Contact Precision Digital Technical Support Call: (800) 610-5239 or (508) 655-7300 Email: support@predig.com Sales Support Call: (800) 343-1001 or (508) 655-7300 Email: sales@predig.com Place Orders Email: orders@predig.com For the latest version of this manual please visit www.predig.com...

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