Emerson Rosemount 6888C Quick Start Manual
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Emerson Rosemount 6888C Quick Start Manual

Emerson Rosemount 6888C Quick Start Manual

In situ combustion oxygen analyzer for hazardous areas
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Quick Start Guide
00825-0100-4891, Rev AD
August 2024
Rosemount
6888C In Situ
™
Combustion Oxygen Analyzer
For Hazardous Areas

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Summary of Contents for Emerson Rosemount 6888C

  • Page 1 Quick Start Guide 00825-0100-4891, Rev AD August 2024 Rosemount 6888C In Situ ™ Combustion Oxygen Analyzer For Hazardous Areas...
  • Page 2 Inform and educate your personnel in the proper installation, operation, and maintenance of the product. Follow appropriate local and national codes. If you do not understand any of the instructions, contact your Emerson representative for clarification.  WARNING Explosions Do not open when an explosive atmosphere may be present.

  • Page 3: Table Of Contents

    NOTICE The Field Communicator must be upgraded to System Software 2.0 with graphic license for operation with the Rosemount 6888C Analyzer. The AMS software must be upgraded to AMS 8.0 or above. Contact Emerson.com/global to upgrade the Field Communicator software to System Software 2.0 with graphic license.
  • Page 4 Quick Start Guide August 2024 Emerson.com/Rosemount...

  • Page 5: Installation

    The probe is not rated for high pressures. If this is a new installation, Emerson can supply a weld plate for welding to the flue gas duct. 1.1.1  Installing probe Prerequisites Ensure all components are available to install the probe.
  • Page 6 If washing the ducts down during an outage, make sure to first power down the probes and remove them from the wash area. Figure 1-1: Rosemount 6888C Probe with standard terminations and electronics housing Note All dimensions are in inches (millimeters).
  • Page 7 August 2024 Quick Start Guide Figure 1-2: Rosemount 6888C Probe with integral autocalibration housing Note All dimensions are in inches (millimeters). Table 1-1: Removal/installation dimensions Probe length Dimension A Dimension B Removal insertion removal envelope depth envelope accessory standard housing housing 18 in.
  • Page 8 B. Thread dimension C. Diameter D. Equally spaced E. Four studs, lockwashers, and nuts equally spaced on C, diameter BC Note All dimensions are in inches (millimeters). Table 1-2: Installation weld plate dimensions ANSI 7.75 in. (196.8 mm) 8.5 in. (216 mm) probe probe Emerson.com/Rosemount...
  • Page 9 August 2024 Quick Start Guide (continued) Table 1-2: Installation weld plate dimensions ANSI B thread 0.625 in. (15.88 mm) (M-16x2) probe C diameter 6 in. (152 mm) probe 6.7 in. (170 mm) probe Table 1-3: Mounting flange dimensions ANSI Flange diameter 8.25 in. (209.5 mm) Hold diameter 0.75 in. (19.0 mm) 4 holes equally 6 in.

  • Page 10: Related Information

    1.1.2  Installing CX2100TR Remote Electronics Procedure Install the remote electronics unit using the mounting bracket kit on a wall, standpipre, or similar structure. Note Only use bolts supplied with the electronics analyzer or sold by Emerson as spare parts. Emerson.com/Rosemount...
  • Page 11 August 2024 Quick Start Guide Figure 1-5: Remote electronics Figure 1-6: Remote electronics mounted on a pole Quick Start Guide...
  • Page 12 Quick Start Guide August 2024 Figure 1-7: Remote electronics mounted on a wall Figure 1-8: Pole/wall mounting kit expanded Note Dimensions are in inches (mm). Emerson.com/Rosemount...

  • Page 13: Electrical Installation

    Line voltage, signal, and relay wiring should be rated for at least 221 °F (105 °C). For CX2100TR wiring instructions, refer to CX2100TR QSG. 1.2.1  Wiring Rosemount 6888C Analyzer Probe only (no Rosemount 6888Xi Electronics) The Rosemount 6888 Analyzer Probe has built-in electronics that...
  • Page 14 3. Connect the 4-20 mA signal wires at J4 of the I/O board. Attach the supplied ferrite clamp over the 4-20 mA OUT wires that extend past the shield. NOTICE Installation of the ferrite clamp over the 4-20 mA OUT wires is required for compliance with the European EMC directive. Emerson.com/Rosemount...
  • Page 15 August 2024 Quick Start Guide 4. Terminate the shield of the 4-20 mA signal wires at the designated ground terminal of the Rosemount 6888 Xi. Do not allow bare shield wires to contact the circuit boards. Insulate the shield wires prior to termination. 5.
  • Page 16 Pins 2-3: external power Rosemount 6888 Xi to Rosemount 6888 analyzer (requires 250 Ω resistor across J4, PR+ to PR-). Pins 1-2: internal power Rosemount 6888 Xi to DCS. JP7/JP8 Pins 2-3: external power Rosemount 6888 Xi to DCS. Emerson.com/Rosemount...
  • Page 17 August 2024 Quick Start Guide Figure 1-10: Single/dual channel wiring diagram 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 (Rosemount SPS) H.
  • Page 18 Insulate the shield wires prior to termination. The 24 VDC loop power is sourced from the Rosemount 6888 Xi. 4. Terminate the shield at both the probe and the Rosemount 6888 Xi. 5. Reinstall both covers on analyzer. Emerson.com/Rosemount...
  • Page 19 August 2024 Quick Start Guide Figure 1-11: Integral autocalibration and HART communications A. Ferrite clamp B. Signal C. Test points D. #8 pan htd scr (internal ground) E. Power F. Test point group Note A. Except for JP5, JP7, and JP8 on the input/output (IO) board, jumper and switch settings are factory set and are shown for reference only.
  • Page 20 L2/N terminal, and the ground wire to the ground lug. The analyzer accepts line voltage at 120/240 VAC ±10 percent, 50/60 Hz. No setup is required. 3. Connect the F Fieldbus wires from the analyzer side OUNDATION housing to the segment. Emerson.com/Rosemount...
  • Page 21 August 2024 Quick Start Guide  WARNING The Rosemount 6888 probe is not rated as Intrinsically Safe (IS) and will render any IS or FISCO segment it is wired to as non-IS. Use a shielded twisted wire pair. Do not allow bare shield wires to contact the circuit boards. 4.
  • Page 22 (Used as a communication bus from probe ® analyzer electronics to optional Rosemount 6888 Xi. Not accessible to Field Communicator or AMS) D. #8 pan htr scr (internal ground) E. Power F. Probe test point group IO board switch/jumpers Jumper settings Pins 2-3 Emerson.com/Rosemount...
  • Page 23 August 2024 Quick Start Guide Pins 2-3 Pins 1-2: internal power Pins 2-3: external power Pins 1-2: internal power Pins 2-3: external power Pins 1-2: internal power Pins 2-3: external power SW4 switch settings • Position 1: Off • Position 2: Off •...
  • Page 24 I. Channel #1 alarm relay, Rosemount SPS J. Channel #1 4-20 mA/HART output 1.2.5  Connect traditional architecture system to the direct replacement probe Use a traditional architecture configuration to provide for remote location of the analyzer electronics. All electronics are housed Emerson.com/Rosemount...
  • Page 25 August 2024 Quick Start Guide inside the Rosemount 6888 Xi. A multi-conductor power/signal cable connects the probe to the Rosemount 6888 Xi. Use the following procedure to connect the traditional architecture probe to the Rosemount 6888 Xi. NOTICE The traditional architecture cable is provided at the specified length and is ready for installation.
  • Page 26 4. At the Rosemount 6888 Xi, connect the cable leads to the connectors on the analyzer input/output (IO) board. Figure 1-15: Traditional architecture general purpose cable gland assembly  WARNING ELECTRIC SHOCK Disconnect and lock out power before working on any electrical components. There is voltage up to 240 Vac. Emerson.com/Rosemount...
  • Page 27 August 2024 Quick Start Guide Figure 1-16: Traditional architecture with Direct Replacement (DR) probe (no electronics inside) Note A. See the Rosemount 6888 Xi Reference Manual for additional installation and operating instructions. B. All wiring marked with an asterisk (*) is factory wiring inside the Rosemount 6888 Xi.
  • Page 28 I. 4-20 mA/HART output ® 1.2.6  Connect CX2100TR Remote Electronics to 6888C direct replacement probe Use a traditional architecture configuration to provide for remote location of the analyzer electronics. All electronics are housed inside the Rosemount CX2100TR Remote Electronics. A multi-conductor Emerson.com/Rosemount...
  • Page 29 August 2024 Quick Start Guide power/signal cable connects the probe to the Rosemount CX2100TR. Use the following procedure to connect the traditional architecture probe to the Rosemount CX2100TR. NOTICE The traditional architecture cable is provided at the specified length and is ready for installation. The cable glands must be properly terminated to maintain EMC/Electromagnetic Interference (EMI) noise protection.

  • Page 30: Connect Line Voltage

    1-14. 8. Terminate the shield at the remote electronics junction box housing. 9. Reinstall cover on junction box. 1.2.7  Connect line voltage Procedure 1. Remove screw, cover lock, captive washer, and left side blind cover from the remote electronics. Emerson.com/Rosemount...

  • Page 31: Pneumatic Installation

    The analyzer uses two calibration gas concentrations: low gas (0.4 percent O , balance N ) and high gas (8 percent O , balance N For higher O2 applications, like winbox O2, Emerson recommends: • Low gas • High gas (21 percent O...
  • Page 32 August 2024  CAUTION Failure to use proper gases will result in erroneous readings. Do not use 100 percent nitrogen as a low gas (zero gas). Emerson recommends using between 0.4 percent and 2.0 percent O for the zero gas. Do not use gases with hydrocarbon concentrations of more than 40 parts per million.

  • Page 33: Configuration, Start-Up, And Operation

    August 2024 Quick Start Guide 2  Configuration, start-up, and operation  WARNING Electrical shock Failure to install covers and ground leads could result in serious injury or death. Install all protective covers and ground leads after installation.  CAUTION If external loop power is used, the power supply must be a Safety Extra Low Voltage (SELV) type.
  • Page 34 0 to 10 percent O If there is an error condition at start-up, an alarm message is displayed. 2.3  Power up the Rosemount 6888C direct replacement probe (no electronics inside) with traditional architecture Rosemount 6888Xi Procedure 1. Apply AC line power to the Rosemount 6888Xi.
  • Page 35 August 2024 Quick Start Guide 2.4  Run Rosemount 6888Xi Quick Start Wizard When you first power up the Rosemount 6888Xi, a short wizard program guides you through the basic setup. Once configured, the Rosemount 6888Xi retains the setup, and the wizard will not repeat. Procedure 1.
  • Page 36 0 to 10 percent O2. If there is an error condition on start-up, then an alarm message is displayed. Postrequisites Emerson recommends waiting at least two hours after powering up the 6888C Direct Replacement before calibrating. 2.6  Guided Setup with CX2100TR Remote Electronics When you first power up the analyzer, a Guided Setup program will guide you through the basic setup procedure.
  • Page 37 August 2024 Quick Start Guide Procedure 1. When the analyzer turns on, the Guided Setup screen appears. The first screen reads Do you want Help configuring this device? • Select Yes to continue with Guided Setup. • Select No to exit Guided Setup. The Guided Setup program guides you through several screens that allow you to configure a range of instrument settings.

  • Page 38: Manual/Semi-Automatic Calibration

    If there is an error condition on start-up, then an alarm message is displayed. Postrequisites Emerson recommends waiting at least two hours after powering up the 6888C Direct Replacement before calibrating. 2.7.1  Manual/semi-automatic calibration A technician can calibrate the Rosemount 6888C probe with...

  • Page 39: Fully Automatic Calibration

    August 2024 Quick Start Guide filter that is plugged over time may cause the flow meter to deliver less flow to the sensing cell, but never readjust the flow rate until a new diffuser is installed. Readjusting the flow meter back up to the 5 scfh level could pressurize the cell during calibration and cause the reading to shift downwards.
  • Page 40 The factory offers a probe rebuild capability if solenoid or other failures occur.  CAUTION Leaks Calibration gas bottles are piped and under pressure at all times, so be sure to leak-check all fittings, tubing, and connections. Always use dual-stage pressure regulators. Emerson.com/Rosemount...

  • Page 41: Product Certifications

    A copy of the Declaration of Conformity can be found at the end of the Quick Start Guide. The most recent revision of the Declaration of Conformity can be found at Emerson.com/Rosemount. A.2  Ordinary location certification As standard, the device has been examined and tested to determine...
  • Page 42 Specific conditions of use (X): 1. Mounting flange temperatures shall not exceed 190 °C. 2. The 6888C O Analyzers are used with the 6888Xi Advanced Electronics (associated equipment not part of this certification) which must be installed in a safe area. Alternatively, the Emerson.com/Rosemount...
  • Page 43 August 2024 Quick Start Guide 6888C DR probes may be used with model CX2100TR installed remotely per the CX2100TR installation instructions or with Oxymitter remote electronics. 3. Calibration air lines and reference air lines shall not contain pure oxygen or combustible gas other than inert/oxygen gas mixture of which oxygen represents no more than that normally present in air.
  • Page 44 Quick Start Guide August 2024 Emerson.com/Rosemount...

  • Page 45: Declaration Of Conformity

    August 2024 Quick Start Guide B  Declaration of Conformity Quick Start Guide...
  • Page 46 Quick Start Guide August 2024 Emerson.com/Rosemount...

  • Page 47: China Rohs Table

    August 2024 Quick Start Guide C  China RoHS table Quick Start Guide...
  • Page 48 2024 Emerson. All rights reserved. Emerson Terms and Conditions of Sale are available upon request. The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount is a mark of one of the Emerson family of companies. All other marks are the property of their respective owners.

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