Emerson Rosemount 6888A Quick Start Manual
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Emerson Rosemount 6888A Quick Start Manual

Emerson Rosemount 6888A Quick Start Manual

O2 combustion flue gas transmitter
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Quick Start Guide
00825-0100-4890, Rev AA
July 2018
™
Rosemount
6888A
O2 Combustion Flue Gas Transmitter

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Summary of Contents for Emerson Rosemount 6888A

  • Page 1 Quick Start Guide 00825-0100-4890, Rev AA July 2018 ™ Rosemount 6888A O2 Combustion Flue Gas Transmitter...
  • Page 2 The following instructions must be adhered to and integrated into your safety program when installing, using, and maintaining Emerson products. Failure to follow the proper instructions may cause any one of the following situations to occur: loss of life, personal injury, property damage, damage to this instrument, and warranty invalidation.
  • Page 3 NOTICE Highlights an essential operating procedure, condition, or statement.

  • Page 5: Table Of Contents

    1.2.3 Transmitter probe with integral autocal and HART communications ......12 ™ 1.2.4 Wire the Rosemount 6888A Transmitter probe with integral autocal and FOUNDATION Fieldbus communications ................... 15 1.2.5 Connecting the traditional architecture system to the direct replacement probe ..16 Pneumatic installation ....................... 17 1.3.1...
  • Page 6 Contents Rosemount 6888A...

  • Page 7: Chapter 1 Install

    Install all protective equipment covers and safety ground leads after installation. Failure to install covers and ground leads could result in serious injury or death. The Rosemount 6888A transmitter can be installed in general purpose areas only. Do not install the transmitter or the Rosemount 6888Xi in hazardous areas or in the vicinity of flammable liquids.

  • Page 8: Install Probe

    If using the optional ceramic or Hastelloy diffusion element, the vee deflector must be correctly oriented. Before inserting the Rosemount 6888A probe, check the direction of gas flow in the duct. Orient the vee deflector so the apex points upstream toward the flow. See Figure 1-1.
  • Page 9 Install Figure 1-2: Rosemount 6888A Probe with Standard Terminations/Electronic Housing Note All dimensions are in inches with millimeters in parentheses. Figure 1-3: Rosemount 6888A Integral Autocal Housing A. Dimension B. Dimension C. Hastelloy diffuser D. Ceramic diffuser Note All dimensions are in inches with millimeters in parentheses.
  • Page 10 Install Figure 1-4: Rosemount 6888A Integral Autocal Housing Close-up A. Dimension B. Dimension C. Calibration gas 1/4 tube fittings 5.0 SCFH (2.4 L/min) 20 PSI (138 kPa) D. #10 socket head cap screw (external ground) E. 1/2 NPT conduit connection (power, signal) F.
  • Page 11 Install Figure 1-5: Probe Installation A. Dimension B. Dimension C. Dimension D. Four studs, lockwashers, and nuts equally spaced on C dia. B C Table 1-2: Mounting flange ANSI Flange diameter 7.28 (185) Hole diameter .75 (20) (4) holes eq sp on BC 4.75 (121) 5.71 (145) Table 1-3:...

  • Page 12: Electrical Installation

    Logic I/O, 4-20 mA signal Stack or duct metal wall Adapter plate Insulation Note Replace insulation after installing Rosemount 6888A Note Standard housing probe shown. Accessory housing is similar. Probe installation may be vertical or horizontal. Electrical installation All wiring must conform to local and national codes. Multiple wiring diagrams are shown in this section.

  • Page 13: Wiring For Rosemount 6888 Transmitter Probe Only (No Rosemount 6888Xi Electronics)

    Install WARNING! ELECTRIC SHOCK Disconnect and lock out power before connecting the power supply. Install all protective covers and safety ground leads after installation. Failure to install covers and ground leads could result in serious injury or death. To meet the safety requirements of IEC 61010-1 (EC requirement) and ensure safe operation of this equipment, connect the main electrical power supply through a circuit breaker (min 10 A) which will disconnect all current-carrying conductors during a fault situation.
  • Page 14 Install Figure 1-7: Rosemount 6888A Standard Probe Housing Connect the 4-20 mA signal wires at the transmitter. Use a shielded twisted wire pair. Do not allow bare shield wires to contact the circuit boards. Insulate the shield wires prior to termination. The transmitter electronics are loop-powered, i.e., the 4-20 mA signal wires supply 24 Vdc from the DCS or an external power supply.

  • Page 15: Standard Housing Transmitter Probe Plus Rosemount 6888Xi Electronics

    Install 1.2.2 Standard housing transmitter probe plus Rosemount 6888Xi Electronics The Rosemount 6888Xi Electronics serve as an operator interface unit with a back-lit display and keypad. It is capable of two channels, serving two Rosemount 6888 probes. Remove cover screws from the front cover of the Rosemount 6888Xi. Swing down the front cover of the interface box.
  • Page 16 JP5: Pins 1-2 internal power Rosemount 6888Xi to Rosemount 6888 transmitter, pins 2-3 external power Rosemount 6888Xi to Rosemount 6888 transmitter (requires 2500 resistor across J4, PR+ to PR-) JP7/JP8: Pins 1-2 internal power Rosemount 6888Xi to DCS, pins 2-3 external power Rosemount 6888Xi to DCS. Rosemount 6888A...
  • Page 17 Install Figure 1-9: Rosemount 6888Xi Front and Bottom View A. Power supply board B. Channel #2 IO board C. Shield ground D. Channel #1 IO board E. AC input to P/S F. Plug G. Channel #2 alarm relay, SPS/IMPS H. Channel #2 4-20 mA/HART output Channel #1 alarm relay SPS/IMPS Channel #1 4-20 mA/HART output Quick Start Guide...

  • Page 18: Transmitter Probe With Integral Autocal And Hart Communications

    Use a shielded twisted wire pair. Do not allow bare shield wires to contact the circuit boards. Insulate the shield wires prior to termination. The 24 Vdc loop power is sourced from the Rosemount 6888Xi. Terminate the shield at both the probe and the Rosemount 6888Xi Advanced Electronics. Rosemount 6888A...
  • Page 19 Install NOTICE The 4-20 mA signal represents the O value and also powers the probe-mounted electronics. Superimposed on the 4-20 mA signal is HART information accessible through a field communicator or AMS software. Reinstall both covers on transmitter. Follow the remaining electrical installation instructions for the Rosemount 6888Xi included with your system configuration.
  • Page 20 C. Test points D. #8 pan htd scr (internal ground) E. Power F. Test point group NOTICE A. Except for JP5, JP7, and JP8 on IO board, jumper and switch settings are factory set and are shown for reference only. Rosemount 6888A...

  • Page 21: Wire The Rosemount 6888A Transmitter Probe With Integral Autocal And Foundation Fieldbus Communications

    Connect the line (L1) wire to the L1 terminal, the neutral (L2) wire to the L2/N terminal, and the ground wire to the ground lug. The Rosemount 6888A accepts 120/240 Vac ±10% line voltage and 50/60 Hz. No setup is required.

  • Page 22: Connecting The Traditional Architecture System To The Direct Replacement Probe

    Carefully press the gray insert into the gland body. The grooves on the insert should align with similar grooves inside the gland body. Press the insert in until it bottoms out in the gland body. Rosemount 6888A...

  • Page 23: Pneumatic Installation

    Install h. Slide the locking nut up and thread it onto the gland body. Tighten the locking nut so the rubber grommet inside the plastic insert compresses against the cable wall to provide an environmental seal. At the Rosemount 6888 Xi, connect the cable leads to the connectors on the transmitter I/O board.

  • Page 24: Calibration Gas

    CAUTION! CALIBRATION READING ERRORS Do not use 100% nitrogen as a low gas (zero gas). Emerson suggests that gas for the low (zero) be between 0.4% and 2.0% O . Do not use gases with hydrocarbon concentrations of more than 40 parts per million.
  • Page 25 Install Figure 1-13: Cal gas in Ref air vent Ref air in Quick Start Guide...

  • Page 26: Configuration, Startup, And Operation

    Rosemount 6888Xi Complete the following steps to power up the Rosemount 6888 direct replacement probe with the Rosemount 6888Xi Electronics. Apply AC line power to the Rosemount 6888Xi. Run the Quick Start Wizard as described in Section 2.3. Rosemount 6888A...

  • Page 27: Rosemount 6888Xi Quick Start Wizard

    Configuration, startup, and operation At the Auto Cal Device screen, select None, SPS, or IMPS as appropriate. Do not select Integral or calibration will not be possible. The transmitter probe takes approximately 45 minutes to warm up to the 736 °C (1357 °F) heater setpoint.

  • Page 28: Calibration

    Rosemount 6888Xi Electronics or via HART communications to a Field Communicator or AMS console. The technician needs to manually switch the gases based upon these prompts. Emerson recommends using 0.4% O and 8% O , balance nitrogen as calibration gases.

  • Page 29: Rosemount 6888 Probe With Integral Autocal Housing

    From the CALIBRATION menu, select O CALIBRATION. WARNING! Failure to remove the Rosemount 6888A from automatic control loops prior to performing this procedure may result in a dangerous operating condition. In the first screen, a Loop should be removed from automatic control warning occurs.
  • Page 30 Press the Left key to return to the ALERTS menu. f. From the ALERTS menu, select DEVICE STATUS. g. From the DEVICE STATUS menu, select ACKNOWLEDGE. h. From the ACKNOWLEDGE menu, select ACK CALIBRATION FAILED. When the process is complete, the system returns to the ACKNOWLEDGE menu. Rosemount 6888A...

  • Page 31: Rosemount 6888 Product Certifications

    A copy of the EC Declaration of Conformity can be found at the end of the Quick Start Guide. The most recent revision of the EC Declaration of Conformity can be found at Emerson.com/Rosemount. Ordinary location certification As standard, the transmitter has been examined and tested to determine that the design...

  • Page 32: Canada

    The panel mount gasket has not been tested for Type 4X installation. 3.5.2 Canada CSA Certificate 1913435 Standards CAN//CSA C22.2 No. 61010-1-04, UL 61010-1:2004 (2nd Edition), CAN/ CSA-C22.2 No.94-M91 (R2001), UL 50 (11th Ed.) Markings , Type 4X IP66 Rosemount 6888A...

  • Page 33: Locations

    ™ Rosemount 6888 product certifications ™ Rosemount SPS4001B and IMPS4000 Autocalibration Devices for General Purpose Locations 3.6.1 USA/Canada CSA certificate 1640823 Standards CAN/CSA C22.2 No. 61010-1-04; ANSI/UL 61010-1:2004, (2nd Edition); CSA C22.2 No. 94.1-07; ANSI/UL 50 (12th Edition); CSA C22.2 No. 94.2 (1st Edition);...
  • Page 34 EU DECLARATION OF CONFORMITY (No. 1700912) 6888A/6888C This declaration is issued under the sole responsibility of the manufacturer: Rosemount Inc., 8200 Market Blvd., Chanhassen, MN 55317 USA The product, 6888 Oxygen Transmitter, Models 6888A and 6888C to which this declaration relates, is in conformity with relevant Union harmonization legislation: (2014/30/EU) EMC Directive (2014/35/EU) Low Voltage Directive (2014/68/EU) Pressure Equipment Directive...

  • Page 35: Appendix A

    Appendix A Rosemount 6888A...
  • Page 36 2018 Emerson. All rights reserved. youtube.com/RosemountMeasurement The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount is a google.com/+RosemountMeasurement mark of one of the Emerson family of companies. All other marks are the property of their AnalyticExpert.com respective owners.

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