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RKI Instruments AirLink 9850 Operator's Manual

Wireless receiver / interface
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AirLink 9850 Interface
Operator's Manual
Part Number: 71-0562
Revision: P1
Released: 11/12/21
www.rkiinstruments.com

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Summary of Contents for RKI Instruments AirLink 9850

  • Page 1 AirLink 9850 Interface Operator’s Manual Part Number: 71-0562 Revision: P1 Released: 11/12/21 www.rkiinstruments.com...
  • Page 2 Product Warranty RKI Instruments, Inc. (Manufacturer) warrants its products to be free of defects in workmanship and materials—under normal use and service—for one year from the date of purchase from the manufacturer or from the product's authorized reseller. The manufacturer is not liable (under this warranty) if its testing and examination disclose that the alleged defect in the product does not exist or was caused by the purchaser's (or any third party's) misuse, neglect, or improper installation, testing or calibrations.

  • Page 3: Table Of Contents

    About the AirLink 9850 Interface ........
  • Page 4 Appendix D: Viewing Sensor Information Over Ethernet ......43 4 • Product Warranty AirLink 9850 Gas Monitor Operator’s Manual...

  • Page 5: Chapter 1: Introduction

    The AirLink 9850 is a 255 channel receiver that accepts and interprets radio transmissions from up to 255 AirLink sensor assemblies. The AirLink 9850 operates with 12-35 Volts DC or 110/240 Volts AC, is compatible with a 900MHz or 2.4 GHz radio, and is used in conjunction with a PLC, PC or other monitor. Communication connection options include: RS-485 Modbus Output, RS-232 RTU Modbus Output, up to 32 4-20mA outputs, virtual COM port over USB, and website for displaying real time values.

  • Page 6: Specifications

    Specifications Table 1 lists specifications for the AirLink 9850. Table 1: AirLink 9850 Specifications Description Specification Input Power 110/240V ~ 50 - 60 Hz 12 - 35 V (Class 2) Current Draw • 800 mA max at 24 VDC • 3.125 A max at 110/240 VAC Operating Temperature -4°F to 140°F (-20°C to 60°C)

  • Page 7: Chapter 2: Description

    Chapter 2: Description External Description Figure 1: External Description AirLink 9850 Gas Monitor Operator’s Manual Chapter 2: Description • 7...

  • Page 8: Internal Description

    Internal Description Figure 2: Terminal Board 8 • Chapter 2: Description AirLink 9850 Gas Monitor Operator’s Manual...
  • Page 9 Note: Delta power supply only included with AC-powered versions. Figure 3: Power Supply and Output Terminal Boards AirLink 9850 Gas Monitor Operator’s Manual Chapter 2: Description • 9...

  • Page 10: Chapter 3: Installation

    2. Close and latch the housing door. 3. Prepare the selected mounting site as required to mount the AirLink 9850. It should be mounted at eye level (4 1/2 to 5 feet from the floor). Refer to Figure 4 for the outline and mounting dimensions.
  • Page 11 Ø .31 x .51 slot, 4X 18.63 12.19 900 MHz Antenna 2.4 GHz Antenna Figure 4: AirLink 9850 Outline and Mounting Dimensions AirLink 9850 Gas Monitor Operator’s Manual Chapter 3: Installation • 11...

  • Page 12: Wiring The Airlink 9850

    CAUTION: The internal components can be static sensitive. Use caution when opening the enclosure and handling internal components. WARNING: Make all connections to the AirLink 9850 before you plug in or turn on the AC or DC power source. Before you make any wiring adjustments, always verify that all power sources are not live.
  • Page 13 10. Clamp down the enclosure latches. Connecting an AC Power Source NOTE: The AirLink 9850 is configured for AC or DC operation, depending on how it is ordered. If you are using DC power as the primary power source, go to the previous section, “Connecting a DC Power Source”.
  • Page 14 Delta power supply terminals “L” (AC Load IN), “N” (AC Neutral IN), and “EG” (Chassis GND or Earth GND). This set of wires will be used to plug into an AC power outlet ONCE ALL WIRING CONFIGURATIONS ARE COMPLETE. 14 • Chapter 3: Installation AirLink 9850 Gas Monitor Operator’s Manual...
  • Page 15 Connect a ground wire from the AC power source to the power supply’s “EG” terminal. NOTE: If the AirLink 9850 was not ordered with any housing holes, at least one hole will have to be drilled to bring in AC power.
  • Page 16 RS-485 Modbus Wiring (Modbus Out) NOTE: The AirLink 9850 outputs RS-485 OR RS-232, depending on the “485 or 232” setting in the Modbus settings menu (see page 27). The AirLink 9850 must be set up to generate the desired output.
  • Page 17 RS-232 Output Wiring NOTE: The AirLink 9850 outputs RS-485 OR RS-232, depending on the “485 or 232” setting in the Modbus settings menu (see page 27). The AirLink 9850 must be set up to generate the desired output. 1. Open the enclosure box to expose the Front Panel.
  • Page 18 AirLink 9850 to a Windows PC. A Modbus polling software installed on a Windows PC can be used to read that data. 1. Connect the USB B port on a USB A to USB B cable to the USB port on the AirLink 9850. Figure 9: Connecting a USB Cable 2.
  • Page 19 Ethernet Connection The Ethernet port is used to view sensor information through a webpage interface. The AirLink 9850 does not support Modbus TCP/IP. 1. Plug one end of a standard Ethernet cable into the AirLink 9850’s Ethernet port. Figure 10: Connecting an Ethernet Cable 2.
  • Page 20 4-20 mA Output Wiring The AirLink 9850 outputs up to 32 4-20 mA signals (8 signals per 4-20 mA Output Terminal Board). See page 27 for instructions to set up which channel’s readings get output from any given 4-20 mA Output terminal.
  • Page 21 4-20 mA Output Terminal Board, then a ground wire must be run to each device. NOTE: Consult the monitoring device’s manual to determine whether the grounds will need to be jumped on each input at the monitoring device. AirLink 9850 Gas Monitor Operator’s Manual Chapter 3: Installation • 21...
  • Page 22 7. Close the Front Panel. 8. Screw in the thumb-screws. 9. Close the enclosure box. 10. Clamp down the enclosure latches. 22 • Chapter 3: Installation AirLink 9850 Gas Monitor Operator’s Manual...
  • Page 23 4. Locate the Fault Terminal Block on the terminal board. 5. Connect a positive (red) wire to the terminal labeled “+”. 6. Connect a negative (black) wire to the terminal labeled “-”. Figure 12: Fault Indicator Wiring AirLink 9850 Gas Monitor Operator’s Manual Chapter 3: Installation • 23...

  • Page 24: Chapter 4: Startup And Operation

    To cycle the Terminal Board power, flip the Power Switch (located on the lower right side of the Terminal Board) to the OFF (and then ON) position. Figure 13: Power Switch Location 24 • Chapter 4: Startup and Operation AirLink 9850 Gas Monitor Operator’s Manual...

  • Page 25: Normal Operating Mode

    Normal Operating Mode Since the AirLink 9850 is an interface, no gas readings are available on the Normal Operating Mode screen. The AirLink 9850’s Normal Operating Mode screen shows the: • IP address (if the AirLink 9850 is connected to a network using an Ethernet cable) •...

  • Page 26: Chapter 5: Setup Mode

    2. Address Selection: Press ADD (increase) or SUB (decrease) to select the address for the AirLink 9850’s Modbus output. 3. Press MENU. 4. Baud Rate: Press ADD or SUB to change the baud rate for the AirLink 9850’s Modbus output. 5. Press MENU. 26 • Chapter 5: Setup Mode...

  • Page 27: 4-20 Ma Output Settings

    6. Float Swap: Press ADD or SUB to toggle between “Normal” and “Swapped”. 7. Press MENU. 8. 485 or 232: The AirLink 9850 can output either RS-485 OR RS-232. Press ADD or SUB to toggle between “485” and “232”. 9. Press MENU.
  • Page 28 7. Setup Address: The Setup Address assigns which AirLink sensor assembly’s radio address is assigned to the selected 4-20 mA port. Press ADD (increase) or SUB (decrease) to manipulate the setup address (1-255). 8. Press MENU. 28 • Chapter 5: Setup Mode AirLink 9850 Gas Monitor Operator’s Manual...
  • Page 29 9. Output: Press ADD or SUB to toggle between “1:1” and “Scaled”. If “1:1” is selected, the value received by the AirLink 9850 is the value output (if “4” is received, then “4 mA” is output). If “Scaled” is selected, the “Min” and “Max” values selected in the next screens determine the port’s output (if the “Min”...

  • Page 30: Tcp/Ip Settings

    4-20 mA output. 18. Press MENU. 19. The AirLink 9850 returns to the 4-20 mA Output Settings menu screen. 20. Press ADD to continue to the TCP/IP Settings screen or press RESET/ESC to return to Normal Operating Mode.

  • Page 31: Alarm Settings (And Channel On/Off)

    Enter the provided values exactly (without any leading 0’s). 6. Press MENU. 7. The AirLink 9850 returns to the TCP/IP Settings menu screen. 8. Press ADD to continue to the Alarm Settings screen or press RESET/ESC to return to Normal Operating Mode.
  • Page 32 If the selected channel is a %LEL sensor, then the alarm point values will be in %LEL. 10. Press MENU. 11. High Alarm Increasing/Decreasing: Use ADD or SUB to toggle between “INC” and “DEC”. 12. Press MENU. 32 • Chapter 5: Setup Mode AirLink 9850 Gas Monitor Operator’s Manual...

  • Page 33: Fault Terminal Setup

    If the selected channel is a %LEL sensor, then the alarm point values will be in %LEL. 14. Press MENU. 15. Duplicate: The AirLink 9850 will ask if you want to duplicate the settings for the remaining addresses. •...

  • Page 34: Exiting Setup Mode

    1. Press RESET/ESC at any time to exit Setup Mode. 2. Close the enclosure box. 3. Clamp down the enclosure latches. NOTE: The AirLink 9850 automatically saves any changes and returns to Normal Operating Mode 15 minutes after the last button press. 34 • Chapter 5: Setup Mode...

  • Page 35: Chapter 6: Advanced Configuration Menu

    3. When the RKI Logo is shown on the Display Screen, press MENU. NOTE: To save any changes and exit Setup Mode at any time, press RESET/ESC. The AirLink 9850 automatically saves any changes and returns to Normal Operating Mode 15 minutes after the last button press.

  • Page 36: Setting The Network Id

    NOTE: There can only be one Primary monitor on a network. All other monitors must be set up as Secondary monitors. If an AirLink 9850 is set as a Secondary monitor when there is no Primary monitor, the AirLink 9850 will go into a Fault 15 status.

  • Page 37: Chapter 7: Troubleshooting

    Table 2 describes symptoms, probable causes, and recommended actions for the most common problems you may encounter with the AirLink 9850. NOTE: This troubleshooting guide describes AirLink 9850 problems only. See the detector head operator’s manuals for preventive maintenance procedures that apply to the detector heads communicating with your AirLink 9850.
  • Page 38 Table 2: Troubleshooting the AirLink 9850 (Continued) Condition Probable Causes Recommended Action The monitor has not received a 1. Check the sensor assembly for a communication from the faulting sensor dead battery, broken antenna, bad assembly address for the timeout period antenna cable, missing antenna, set on page 35.

  • Page 39: Chapter 8: Parts List

    Table 3 lists the part numbers and descriptions for replacement parts and accessories offered for the AirLink 9850. Table 3: Parts List, AirLink 9850 Part No. Description 18-0107RK Conduit hub (3/4 in.) 71-0562 AirLink 9850 Interface Operator’s Manual (this document) AirLink 9850 Gas Monitor Operator’s Manual Chapter 8: Parts List • 39...

  • Page 40: Appendix A: Introduction To 4-20 Ma Current Loop Signals

    4 mA representing the lowest end of the range and 20 mA the highest. The relationship between the current loop and the gas value is linear. In addition, the AirLink 9850 uses values below 4 mA to indicate special status conditions, as shown below:...

  • Page 41: Appendix B: Rs-485 Modbus Output

    Length: Depends on the number of addresses the user would like to view Scan Rate:1000 ms Data Format: Hex, Decimal, Float Register Map The Modbus register map (applicable to RS-232, RS-485, and USB outputs) for the AirLink 9850 is available at the link below. https://www.rkiinstruments.com/pdf/AirLink_9850-RegMap.pdf AirLink 9850 Gas Monitor Operator’s Manual...

  • Page 42: Appendix C: Usb Virtual Com Port For Modbus

    The drivers for the AirLink 9850 automatically install when you connect the AirLink 9850 to a Windows PC and turn the AirLink 9850 on. The AirLink 9850 appears as a “USB Serial Device” in the device manager. A computer program that reads Modbus, like Modbus Poll, can be used to poll the Modbus registers and view information from the AirLink 9850.

  • Page 43: Appendix D: Viewing Sensor Information Over Ethernet

    2. Launch a web browser on a computer connected to the same network as the AirLink 9850. 3. Type the IP address shown at the top of the AirLink 9850’s screen into the web browser. 4. The Channel Readings screen appears.
  • Page 44 6. The Channel Data screen appears. 7. Any alarms or faults are shown on the left side of the screen and are highlighted at the appropriate channel. 44 • Appendix D: Viewing Sensor Information Over Ethernet AirLink 9850 Gas Monitor Operator’s Manual...

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