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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 AB
October 2019
™
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 AB October 2019 ™ Rosemount 6888A O2 Combustion Flue Gas Transmitter...
  • Page 2 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: Table Of Contents

    October 2019 Quick Start Guide CAUTION Highlights an operation or maintenance procedure, practice, condition, statement, etc., which if not strictly observed, could result in damage to or destruction of equipment or loss of effectiveness. Note Highlights an essential operating procedure, condition, or statement. WARNING Explosions Do not open when an explosive atmosphere may be present.
  • Page 4 Quick Start Guide October 2019 Emerson.com/Rosemount...

  • Page 5: Install

    October 2019 Quick Start Guide Install WARNING Failure to follow safety instructions could result in serious injury or death. Before installing this equipment, read the Essential Instructions at the front of this document. WARNING Electrical shock Failure to install covers and ground leads could result in serious injury or death.
  • Page 6 If using the optional ceramic or Hastelloy diffusion element, make sure to orient the vee deflector correctly. 2. Before inserting the probe, check the direction of gas flow in the duct. Orient the vee deflector so the apex points upstream toward the flow. Figure 1-1. Emerson.com/Rosemount...
  • Page 7 October 2019 Quick Start Guide Figure 1-1: Orienting the Optional Vee Deflector A. Gas flow direction B. Vee deflector C. Diffusion element D. Setscrew E. Vee deflector F. Filter G. Apex 3. If using the standard square weld plate or an optional flange mounting plate, weld or bolt the plate onto the duct.
  • Page 8 Quick Start Guide October 2019 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 (see Table 1-1) B. Dimension (see Table 1-1) C.
  • Page 9 October 2019 Quick Start Guide Figure 1-4: Rosemount 6888A Integral Autocal Housing Close-up A. Dimension (see Table 1-1) B. Dimension (see Table 1-1) C. Calibration gas ¼ tube fittings 5.0 SCFH (2.4 L/min) 20 psi (138 kPa) D. #10 socket head cap screw (external ground) E.
  • Page 10 Add 3.8 in. (96 mm) to Dim A and Dim B for probe with ceramic or Hastelloy diffuser. The through hole diameter in the stack or duct wall and refractory material must be at least 63.5 mm (2½ in.) 4. Insert probe through the opening in the mounting flange and bolt the unit to the flange. Emerson.com/Rosemount...
  • Page 11 October 2019 Quick Start Guide Figure 1-5: Probe Installation A. Dimension (see Table 1-3) B. Dimension (see Table 1-3) C. Dimension (see Table 1-3) D. Four studs, lockwashers, and nuts equally spaced on C dia. B C Table 1-2: Mounting flange ANSI Flange diameter 7.28 in.
  • Page 12 B. Logic I/O, 4-20 mA signal C. Stack or duct metal wall D. Adapter plate E. Insulation Note Replace insulation after installing Rosemount 6888A Note Standard housing probe shown. Accessory housing is similar. Probe installation may be vertical or horizontal. Emerson.com/Rosemount...
  • Page 13 October 2019 Quick Start Guide Electrical installation All wiring must conform to local and national codes. Multiple wiring diagrams are shown in this section. Always refer to the diagrams that apply to your transmitter configuration and disregard all other wiring diagrams. WARNING Electrical shock Failure to install covers and ground leads could result in serious injury or...
  • Page 14 Quick Start Guide October 2019 Figure 1-7: Rosemount 6888A Standard Probe Housing 3. 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.
  • Page 15 October 2019 Quick Start Guide ™ 1.2.2 Wire standard housing transmitter probe plus Rosemount 6888 Xi Electronics The Rosemount 6888 Xi 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.
  • 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. Emerson.com/Rosemount...
  • Page 17 October 2019 Quick Start Guide Figure 1-9: Rosemount 6888 Xi 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 ®...
  • Page 18 2. 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 line voltage at 120/240 Vac ±10%, 50/60 Hz. No setup is required.
  • Page 19 October 2019 Quick Start Guide 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 Advanced Electronics. NOTICE The 4-20 mA signal represents the O value and also powers the probe-mounted electronics.
  • Page 20 E. Power F. Test point group Note A. Except for JP5, JP7, and JP8 on IO board, jumper and switch settings are factory set and are shown for reference only. B. IO board: 4-20 mA/HART loop power settings • Emerson.com/Rosemount...
  • Page 21 October 2019 Quick Start Guide — Pins 1-2: internal power Rosemount 6888 Xi to Rosemount 6888 transmitter — Pins 2-5: external power Rosemount 6888 Xi to Rosemount 6888 transmitter (requires 2,500 resistor across J4, PR+ to PR-) • JP7/JP8 — Pins 1-2: internal power to DCS —...
  • Page 22 Insert the cable wires into the proper entry port in either the probe housing or the Rosemount 6888 Xi enclosure. d) At the probe housing, apply Teflon tape or similar sealing compound to the tapered pipe threads. Thread the gland body into the probe housing until properly seated. Emerson.com/Rosemount...
  • Page 23 October 2019 Quick Start Guide e) At the Rosemount 6888 Xi enclosure, insert the gland body into the left front cable port from the inside of the enclosure. Use the rubber O-ring provided to seal the cable port. f) Ensure the cable shield braid is evenly formed over the gray insert.
  • Page 24 A. Vent B. Calibration gas 1: ¼-in. tube C. Calibration gas 2: ¼-in. tube D. Reference air flow meter E. 0.25-18 NPT female inlet connection F. 0.25 or 6 mm O.D. tubing (supplied by customer) G. Reference gas: ¼-in. tube Emerson.com/Rosemount...
  • Page 25 Calibration reading errors Failure to use proper gases will result in erroneous readings. 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 26 Quick Start Guide October 2019 Figure 1-13: Rosemount 6888A Calibration Gas Connections A. Calibration gas in B. Reference air vent C. Reference air in Emerson.com/Rosemount...

  • Page 27: Configuration, Startup, And Operation

    October 2019 Quick Start Guide Configuration, startup, 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 Equipment damage If external loop power is used, the power supply must be a safety extra low voltage (SELV) type.
  • Page 28 SPS: Automatic calibration with the standard probe housing configuration using the Rosemount SPS 4001B. • IMPS: Automatic calibration with the standard probe housing configuration using the Rosemount IMPS. • Integral: Automatic calibration with the integral autocal probe housing configuration. 7. Press Enter to continue. Emerson.com/Rosemount...
  • Page 29 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. Always use a two-stage pressure regulator set to 20 psi.
  • Page 30 Calibration gas bottles are piped and under pressure at all times, so be sure to leak-check all fittings, tubings, and connections. Always use dual-stage pressure regulators. 2.4.3 Calibrate manually This section covers manual calibration. For automatic calibration details, see ™ the reference manual for the Rosemount SPS 4001B Single Probe Emerson.com/Rosemount...
  • Page 31 In the first screen, a Loop should be removed from warning occurs. automatic control 6. Remove the Rosemount 6888A from any automatic loop controls to avoid a potentially dangerous operating condition. Press OK when ready. 7. At the next screen, when the step shows...
  • Page 32 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. Emerson.com/Rosemount...

  • Page 33: Product Certifications

    Rev. 1.9 European Directive information The most recent revision of the EU 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 meets the basic electrical, mechanical, and fire protection requirements by a nationally recognized test laboratory (NRTL) as accredited by the Federal Occupational Safety and Health Administration (OSHA).
  • Page 34 SPS4001B and Rosemount 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); ANSI/UL 50 E Emerson.com/Rosemount...
  • Page 35 October 2019 Quick Start Guide First Edition; CSA C22.2 No. 60529:05 (R2010); ANSI/IEC 60529-2004 (R2011) Markings Type 4X, IP66 Quick Start Guide...

  • Page 36: Declaration Of Conformity

    Quick Start Guide October 2019 Declaration of Conformity Emerson.com/Rosemount...
  • Page 37 October 2019 Quick Start Guide Quick Start Guide...

  • Page 38: China Rohs Table

    Quick Start Guide October 2019 China RoHS Table Emerson.com/Rosemount...
  • Page 39 October 2019 Quick Start Guide Quick Start Guide...
  • Page 40 Linkedin.com/company/Emerson- Automation-Solutions The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount is a twitter.com/rosemount_news mark of one of the Emerson family of companies. Facebook.com/Rosemount All other marks are the property of their youtube.com/RosemountMeasurement respective owners.