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Precision Digital Corporation PDW90 Series Instruction Manual

Point to multi-point wireless
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• Point to Multi-Point Signal Wire Replacement
• Simple to Configure Using PDW Manager
Programming Software and Onboard USB
• Range: 1 Mile Line-of-Sight, 500 Ft Indoor
• Analog, Digital, and RS-485 Inputs and Outputs
• Remote or Attached, Directional and Omnidirectional Antennas Available
• Field Units Feature Flanges for Wall or Pipe Mounting
• Base Station Housed in Plastic NEMA 4X Field Enclosure
• Field Units Housed in IP68, NEMA 4X Enclosure
PRECISION DIGITAL CORPORATION
1.800.561.8187
PDW90 Point to Multi-Point Wireless
Instruction Manual
www.
Wireless System
information@itm.com
.com

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Summary of Contents for Precision Digital Corporation PDW90 Series

  • Page 1 • Remote or Attached, Directional and Omnidirectional Antennas Available • Field Units Feature Flanges for Wall or Pipe Mounting • Base Station Housed in Plastic NEMA 4X Field Enclosure • Field Units Housed in IP68, NEMA 4X Enclosure PRECISION DIGITAL CORPORATION 1.800.561.8187 information@itm.com www.
  • 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

    PDW90 Point to Multi-Point Wireless Instruction Manual Table of Contents Table of Contents ............ 3 Power Connector ........... 11 Table of Figures ............3 Analog Input Connector ......... 11 Introduction ............. 4 Analog Output Connector ......11 Ordering Information ..........5 Digital I/O Connector ........

  • Page 4: Introduction

    PDW90 Point to Multi-Point Wireless Instruction Manual Introduction The Precision Digital PDW90 is a rugged, customizable, point-to-multipoint wireless bridge. It offers a highly-flexible means of getting analog, digital, and Modbus® signals from where you have them to where you need them. Modular input/output cards and expandable field units mean that the PDW90 can be customized to meet the needs of any wireless application.

  • Page 5: Ordering Information

    PDW90 Point to Multi-Point Wireless Instruction Manual Ordering Information PDW90 Wireless Components Model Number Description PDW90-BA PDW90 Point-to-Multipoint Wireless Process Signal Base Station PDW90-FN PDW90 Point-to-Multipoint Wireless Process Signal Field Unit Base Station Modules Model Number Description PDM90-CA PDW90 Dual Analog Input Base Station Module PDM90-CT PDW90 Dual Analog Output Base Station Module PDM90-CR...

  • Page 6: Specifications

    PDW90 Point to Multi-Point Wireless Instruction Manual Specifications Except where noted all specifications apply to operation at +25°C. PDW90 Base Station Specifications HART Analog input will not interfere with General existing HART communications on Transparency the wired 4-20 mA signal Maximum 32 field units Connected...

  • Page 7: Pdw90 Field Unit Specifications

    PDW90 Point to Multi-Point Wireless Instruction Manual PDW90 Field Unit Specifications Analog Input General Inputs Field selectable: 4-20 mA, 0-10 V, Display 32-character dual-line alphanumeric 0-5 V, 1-5 V dot matrix LCD display with backlight Accuracy ±0.03% of calibrated span ±1 count (4.68mm x 2.21mm characters) Temperature 0.005% of calibrated span/C max...

  • Page 8: General Specifications

    PDW90 Point to Multi-Point Wireless Instruction Manual General Specifications Wireless Radio PDW Manager Software Frequency 900 MHz System Microsoft ® Windows ® XP/Vista/7/8/10 Requirements Range 500 ft (152.4 m) indoor, 1 mi (1.61 km) outdoor (line-of-sight) Communica- USB 2.0 (Standard USB A to Micro tions USB B) Encryption...

  • Page 9: Pre-Installed Conduit Plug

    PDW90 Point to Multi-Point Wireless Instruction Manual Pre-Installed Conduit Plug The PDW90 field units are supplied with one pre-installed optional conduit plug for installations that do not require the use of both conduit entries. The conduit plug includes an internal hexagonal socket recess for removal.

  • Page 10: Base Station Connections

    PDW90 Point to Multi-Point Wireless Instruction Manual Base Station Connections To access the connectors for the base station, open the enclosure door. Signal connections are made to removable screw terminal connectors. • The PDW90 base station must be powered down completely prior to installing or removing any modules.

  • Page 11: Figure 2. Base Station Power Connection

    PDW90 Point to Multi-Point Wireless Instruction Manual Power Connector Power connections are made to a two-terminal connector labeled POWER in Figure 1. Make sure that the power supply can provide 24 VDC to the wire- less base station. Figure 2. Base Station Power Connection Analog Input Connector The analog input module can accept either 4-20 mA, 0-10 V, 0-5 V,...

  • Page 12: Figure 6. Base Station Relays Connection

    PDW90 Point to Multi-Point Wireless Instruction Manual Relays Connector The relays module includes two mechanical relays. Relay connections are made to the six-terminal connector shown to the right. Each relay’s C terminal is common only to the normally open (NO) and normally closed (NC) contacts of the corresponding relay.

  • Page 13: Figure 9. Base Station Three- And Five-Wire Rs-485 Modbus Connection

    PDW90 Point to Multi-Point Wireless Instruction Manual Modbus RTU Serial Communications The PDW90 base station acts as a simple pass-through for Modbus communications. As such, multiple Modbus enabled devices may transmit and receive wirelessly using the base station. (PDW90 Base Station) Shield Twisted-Pair (PDW90 Base Station)

  • Page 14: Figure 11. Field Unit Device Assembly, Rear View

    PDW90 Point to Multi-Point Wireless Instruction Manual Field Unit Connections To access the connectors, remove the enclosure cover and unscrew the two captive stainless steel screws. Remove the electronics assembly from the enclosure. Signal connections are made to removable terminal blocks on the back of the electronics assembly. Grounding connections are made to the two ground screws provided on the base –...

  • Page 15: Figure 12. Field Unit Power Connection

    PDW90 Point to Multi-Point Wireless Instruction Manual Power Connector Power connections are made to a two-terminal connector labeled POWER in Figure 11. The PDW30 is reverse polar- ity protected; it will not be damaged if wired backward. Make sure that the power supply can provide between 12 and 24 VDC to the wireless device.

  • Page 16: Signal Connector

    PDW90 Point to Multi-Point Wireless Instruction Manual Signal Connector The analog input may be either 4-20 mA, 0-10 V, 0-5 V, or 1-5 V. The appropriate input type must be programmed for each unit. Once the appropriate input type has been programmed, wire the analog signal source to the device as shown in the diagram at right.

  • Page 17: Modbus Rtu Serial Communications

    PDW90 Point to Multi-Point Wireless Instruction Manual Modbus RTU Serial Communications The PDW90 field units act as simple pass-throughs for Modbus communications. As such, multiple Mod- bus enabled devices may be transmitted wirelessly using a wireless field unit. Note: Modbus Master must be connected to Base Station. (PDW90 Field Unit) Shield Twisted-Pair...

  • Page 18: Setup And Programming

    PDW90 Point to Multi-Point Wireless 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. Overview There are no jumpers to set for wireless device input selection.

  • Page 19: Connecting Field Units To Base Station

    PDW90 Point to Multi-Point Wireless Instruction Manual Connecting Field Units to Base Station The first thing that must be done when programming the PDW90 is connect all of the wireless field units to the base station. Configuration of the base station is accomplished using the PDW Manager software, while the individual field units may be programmed using the device buttons which are accessed by un- screwing the enclosure cover.

  • Page 20: Base Station Configuration

    PDW90 Point to Multi-Point Wireless 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 you are finished modifying any of these settings, click the Save Settings button to write your changes to the device.

  • Page 21: Input / Output Module Configuration

    PDW90 Point to Multi-Point Wireless Instruction Manual Input / Output Module Configuration The Base Station IO Configuration tab is where individual I/O modules connected to the base station may be programmed. Click on one of the installed modules in the IO Modules list to the left of the screen in order to begin programming that module.
  • Page 22 PDW90 Point to Multi-Point Wireless Instruction Manual 4-20 mA Analog Outputs Module Each Analog Outputs module has two 4-20 mA output channels. Each channel may be independently programmed and mapped to remote analog inputs or Modbus registers. Once you have modified the module’s settings, click the Save Module Configuration button to save these settings to the base station.
  • Page 23 PDW90 Point to Multi-Point Wireless Instruction Manual Digital I/O Module Each Digital I/O module has four I/O channels. Each channel may be independently programmed as ei- ther an input or an output. These channels may also be mapped to a remote digital I/O or Modbus regis- ter.
  • Page 24 PDW90 Point to Multi-Point Wireless Instruction Manual Relays Module Each Relays module has two channels. Each channel may be independently programmed and mapped to remote digital I/O or Modbus registers. Once you have modified the module’s settings, click the Save Module Configuration button to save these settings to the base station.

  • Page 25: Remote Unit Configuration

    PDW90 Point to Multi-Point Wireless Instruction Manual Remote Unit Configuration The Remote Unit Configuration tab is where connected field units may be programmed to communicate with the base station. Select a connected field unit from the Connected Clients list in order to begin pro- gramming that unit.
  • Page 26 PDW90 Point to Multi-Point Wireless Instruction Manual 4-20 mA Analog Output The 4/20mA Output tab is used to program the selected field unit’s analog output. Once you have modi- fied the settings, click the Save Configuration button to save these settings to the field unit. The IO Mapping section will show to what (if any) device the analog input has been mapped.
  • Page 27 PDW90 Point to Multi-Point Wireless Instruction Manual Digital I/O Each field unit has four digital I/O channels. Each channel may be independently programmed as either an input or an output. Once you have modified the settings, click the Save Configuration button to save these settings to the field unit.
  • Page 28 PDW90 Point to Multi-Point Wireless 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 29: Advanced Configuration

    PDW90 Point to Multi-Point Wireless Instruction Manual Advanced Configuration 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 30: Programming The Field Units

    PDW90 Point to Multi-Point Wireless Instruction Manual Programming the Field Units The field units can be programmed using the buttons located behind the enclosure cover or using PDW Manager. Because of the limited number of options available for the field units, it is easier in most cases to use the programming buttons.

  • Page 31: Field Unit Setup Menu

    PDW90 Point to Multi-Point Wireless 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. Run Mode RSSI 10 increments selected digit. LINK OK selects next digit to the right.
  • Page 32 PDW90 Point to Multi-Point Wireless Instruction Manual Entering Numeric Values Numeric values are set using the next and previous buttons. Press next to select next digit and previous to increment digit value. The selected digit will flash. Press the enter button, at any time, to accept the value or the menu button to exit without saving. Increment Select the Increment...
  • Page 33 PDW90 Point to Multi-Point Wireless Instruction Manual Making Changes to a Password Protected Field Unit Once a password has been set on the device, you will be required to enter that password before being allowed to access the device menu. Run Mode RSSI 10 LINK OK...

  • Page 34: Programming The Field Units With Pdw Manager

    PDW90 Point to Multi-Point Wireless Instruction Manual Programming the Field Units with PDW Manager The field units may also be programmed using the PC based PDW Manager. Field units connect to a PC via the micro USB connection on their face, underneath the enclosure cover. Use of PDW Manager is re- quired for programming advanced settings such as wireless encryption and analog signal calibration.
  • Page 35 PDW90 Point to Multi-Point Wireless Instruction Manual The field unit’s 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. Note: The field units are factory calibrated prior to shipment to read analog inputs in milliamps and volts depending on the input selection.
  • Page 36 PDW90 Point to Multi-Point Wireless Instruction Manual 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. Once you have entered the encryption information, click Save Settings. If you have made changes that have not been saved and would like to load the saved settings from the base station, click the Read Settings button.

  • Page 37: Troubleshooting

    PDW90 Point to Multi-Point Wireless Instruction Manual Troubleshooting If you are experiencing difficulties with your wireless installation, consult the troubleshooting steps listed below. For best results, identify the symptoms of the problem you are having and attempt all of the cor- rective actions listed for the particular symptom.
  • Page 38 PDW90 Point to Multi-Point Wireless Instruction Manual Symptom Possible Cause Corrective Action Wireless device • Make sure that input type on the device is 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 39 PDW90 Point to Multi-Point Wireless Instruction Manual Symptom Possible Cause Corrective Action Wireless device is • The base station must be powered by a not powered. 24 VDC power supply in order for the PC to recognize it. Field units must be powered by Device will not connect to PC a 12-28 VDC power supply.

  • Page 40: Mounting Dimensions

    PDW90 Point to Multi-Point Wireless Instruction Manual Mounting Dimensions Note: all units are in inches (mm). Figure 19. Base Station Dimensions – Figure 20. Base Station Dimensions – Front View Side View 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)

  • Page 41: Pda6963 Stainless Steel Pipe Mounting Kit For Field Units

    PDW90 Point to Multi-Point Wireless Instruction Manual PDA6963 Stainless Steel Pipe Mounting Kit for Field Units Pipe Figure 23. PDA6963 Stainless Steel Pipe Mounting Kit for Field Units 1.800.561.8187 information@itm.com www. .com...

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