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Emerson Rosemount 8700M Quick Start Manual
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Emerson Rosemount 8700M Quick Start Manual

Magnetic flowmeter platform with rs-485 modbus
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Quick Start Guide
00825-0400-4444, Rev. AA
August 2015
®
Rosemount
8700M
Magnetic Flowmeter Platform
®
with Modbus
RS-485 Protocol

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Summary of Contents for Emerson Rosemount 8700M

  • Page 1 Quick Start Guide 00825-0400-4444, Rev. AA August 2015 ® Rosemount 8700M Magnetic Flowmeter Platform ® with Modbus RS-485 Protocol...

  • Page 2: Table Of Contents

    August 2015 Quick Start Guide NOTICE This document provides basic installation guidelines for the Rosemount 8700M Magnetic Flowmeter Platform with Modbus RS-485 Protocol. For information about installing, configuring, maintaining, or troubleshooting this product, refer to Reference Manual 00809-0400-4444. The reference manual—as well as this quick start guide—are available online at www.rosemount.com.

  • Page 3: Transmitter Installation

    Quick Start Guide August 2015 Step 1: Transmitter installation Installation of the Rosemount Magnetic Flowmeter includes both detailed mechanical and electrical installation procedures. Before installing the Rosemount 8732EM Magnetic Flowmeter Transmitter, there are several pre-installation steps that should be completed to make the installation process easier: Identify the options and configurations that apply to your application ...
  • Page 4 August 2015 Quick Start Guide Note If the Rosemount 8732EM is mounted separately from the sensor, it may not be subject to limitations that might apply to the sensor. Rotate integral mount transmitter housing The transmitter housing can be rotated on the sensor in 90-degree increments by removing the four mounting screws on the bottom of the housing.

  • Page 5: Handling And Lifting

    Quick Start Guide August 2015 Table 2. Electrical Data Rosemount 8732EM Flow Transmitter Power input 90–250VAC, 0.45A, 40VA 12–42VDC, 1.2A, 15W Pulsed circuit Internally powered (Active): Outputs up to 12VDC, 12.1mA, 73mW Externally powered (Passive): Input up to 28VDC, 100mA, 1W Modbus output circuit Internally powered (Active): Outputs up to 3.3VDC, 100mA, 100mW Termination resistors...

  • Page 6: Mounting

    August 2015 Quick Start Guide Do not lift the meter by holding the electronics housing or junction box.The  sensor liner is vulnerable to handling damage. Never place anything through the sensor for the purpose of lifting or gaining leverage. Liner damage can render the sensor useless.
  • Page 7 Quick Start Guide August 2015 Figure 3. Upstream and Downstream Straight Pipe Diameters 5 Pipe Diameters 2 Pipe Diameters Flow Installations with reduced upstream and downstream straight runs are possible. In reduced straight run installations, the meter may not meet absolute accuracy specifications.
  • Page 8 August 2015 Quick Start Guide Figure 5. Sensor Orientation FLOW FLOW 3.4 Electrode orientation The electrodes in the sensor are properly oriented when the two measurement electrodes are in the 3 and 9 o’clock positions or within 45 degrees from the horizontal, as shown on the left of Figure 6.

  • Page 9: Sensor Installation

    Quick Start Guide August 2015 Step 4: Sensor installation Flanged sensors 4.1 Gaskets The sensor requires a gasket at each process connection. The gasket material must be compatible with the process fluid and operating conditions. Gaskets are required on each side of a grounding ring (see Figure 7).
  • Page 10 August 2015 Quick Start Guide 4.2 Flange bolts Note Do not bolt one side at a time. Tighten both sides simultaneously. Example: 1. Snug upstream 2. Snug downstream 3. Tighten upstream 4. Tighten downstream Do not snug and tighten the upstream side and then snug and tighten the downstream side. Failure to alternate between the upstream and downstream flanges when tightening bolts may result in liner damage.
  • Page 11 Quick Start Guide August 2015 Prior to installation, identify the lining material of the flow sensor to ensure the suggested torque values are applied. Table 3. Lining Material Fluoropolymer liners Other liners T - PTFE P - Polyurethane F - ETFE N - Neoprene A - PFA L - Linatex (Natural Rubber)
  • Page 12 August 2015 Quick Start Guide Table 5. Flange Bolt Torque and Load Specifications for 8705 (EN 1092-1) Fluoropolymer liners (in Newton-meters) Size code Line size PN10 PN 16 PN 25 PN 40 0.5-in. (15 mm) 1-in. (25 mm) 1.5-in. (40 mm) 2-in.
  • Page 13 Quick Start Guide August 2015 Wafer sensors 4.3 Gaskets The sensor requires a gasket at each process connection. The gasket material selected must be compatible with the process fluid and operating conditions. Gaskets are required on each side of a grounding ring. See Figure 9 below.
  • Page 14 August 2015 Quick Start Guide Table 6. Stud Specifications Nominal sensor size Stud specifications 1.5 through 8-inch (40 through 200 mm) CS, ASTM A193, Grade B7, threaded mounting studs Table 7. Rosemount Alignment Spacer Table Line size Dash no. (-xxxx) (in) (mm) Flange rating...

  • Page 15: Process Reference Connection

    Quick Start Guide August 2015 4.5 Flange bolts Wafer sensors require threaded studs. See Figure 8 on page 10 for torque sequence. Always check for leaks at the flanges after tightening the flange bolts. All sensors require a second tightening 24 hours after initial flange bolt tightening.
  • Page 16 August 2015 Quick Start Guide Figure 10. Grounding Straps in Conductive Unlined Pipe or Reference Electrode in Lined Pipe Figure 11. Grounding with Grounding Rings or Lining Protectors in Conductive Pipe Figure 12. Grounding with Grounding Rings or Lining Protectors in Non-conductive Pipe...
  • Page 17 Quick Start Guide August 2015 Figure 13. Grounding with Reference Electrode in Conductive Unlined Pipe Figure 14. Grounding for Line Sizes 10-in. and Larger...

  • Page 18: Wiring The Transmitter

    August 2015 Quick Start Guide Step 6: Wiring the transmitter This section covers the wiring between the transmitter and sensor, the Modbus output, and supplying power to the transmitter. Follow the conduit, cable, and electrical disconnect requirements in the sections below. For sensor wiring diagrams, see Figure 29 on page 50.
  • Page 19 (See Figure 16). Use only the socket module or IMS cable provided by Emerson™ Process Management. For replacement transmitters, use the existing interconnecting cable from the original assembly. Replacement cables are available.
  • Page 20 August 2015 Quick Start Guide Table 10. Component Cable Kits ° ° Standard temperature (-20 C to 75 Cable kit # Description Individual cable Alpha p/n 518243 08732-0065-0001 Kit, Component Cables, Std Coil 518245 (feet) Temp. Coil + Electrode Electrode 518243 08732-0065-0002 Kit, Component Cables, Std...
  • Page 21 Quick Start Guide August 2015 Cable requirements Shielded twisted pairs or triads must be used. For installations using the individual coil drive and electrode cable, see Figure 17. Cable lengths should be limited to less than 500 feet (152 m). Consult factory for length between 500–1000 feet (152–304 m).
  • Page 22 August 2015 Quick Start Guide Cable preparation When preparing all wire connections, remove only the insulation required to fit the wire completely under the terminal connection. Prepare the ends of the coil drive and electrode cables as shown in Figure 19.
  • Page 23 Quick Start Guide August 2015 Figure 20. Remote Junction Box Views Sensor Transmitter Wire Terminal Wire Terminal BLUE BLUE BLACK Shield YELLOW BLACK WHITE YELLOW WHITE For sensor wiring diagrams, see Figure 29 on page 50. For hazardous locations, refer to Appendix D of Reference Manual 00809-0400-4444. 6.4 8732EM terminal block connections Remove the back cover of the transmitter to access the terminal block.
  • Page 24 August 2015 Quick Start Guide 6.5 Modbus output The Modbus output is a Modbus RTU signal using RS-485. Follow these cable recommendations for RS-485 interface (Modbus over serial line). Cable characteristics Shielded twisted pair cable with 2 conductors and a Type drain wire, or Ethernet cable of Cat 5/5e/6 20–24 AWG for lengths up to 1000 feet...
  • Page 25 Quick Start Guide August 2015 Figure 22. Modbus Wiring—Internal Power Modbus A/D0 Modbus B/D1 6.6 Powering the transmitter The Rosemount 8732EM transmitter is available in two models. The AC powered transmitter is designed to be powered by 90–250VAC (50/60Hz). The DC powered transmitter is designed to be powered by 12–42VDC.
  • Page 26 August 2015 Quick Start Guide Figure 24. AC power Requirements AC Supply Characteristics 0.24 0.22 0.20 0.18 0.16 0.14 0.12 Power Supply (VAC) Apparent Power (VA) Power Supply (VAC) Peak inrush is 35.7A at 250VAC supply, lasting approximately 1ms Inrush for other supply voltages can be estimated with: Inrush (Amps) = Supply (Volts) / 7.0 Supply wire requirements Use 10–18 AWG wire rated for the proper temperature of the application.
  • Page 27 Quick Start Guide August 2015 Table 12. Fuse Requirements Input voltage Fuse rating Compatible fuse ≥ 90–250VAC rms 1 Amp, 250V, I 1.5 A s Rating, Bussman AGC-1, Littelfuse 31201.5HXP Fast Acting ≥ 12–42VDC 3 Amp, 250V, I 14 A s Rating, Bel Fuse 3AG 3-R, Littelfuse 312003P, Fast Acting...

  • Page 28: Modbus Configuration

    August 2015 Quick Start Guide Step 7: Modbus configuration Note Each register is identified by its address (or starting address). Depending on the PLC that will be used to communicate with the transmitter, you may need to subract 1 from the address or starting address of the register.
  • Page 29 Quick Start Guide August 2015 7.4 Parity (register 116) Used to configure error-checking methodology for the data. Register value Parity No parity Even (default) 7.5 Stop bits (register 117) Sets the last bit of the data packet. Register value Stop bits 1 bit (default) 2 bits Step 8: Basic configuration...
  • Page 30 August 2015 Quick Start Guide 8.2 Flow units (Register 61) The flow units variable specifies the format in which the flow rate will be displayed. Units should be selected to meet your particular metering needs. Volume units Volume units Register value Units Register value Units...
  • Page 31 Quick Start Guide August 2015 8.3 Line size (Register 65) The line size (sensor size) must be set to match the actual sensor connected to the transmitter. Register value Line size Register value Line size 0.10-in. (2 mm) 16-in. (400 mm) 0.15-in.
  • Page 32 August 2015 Quick Start Guide Figure 25. Totalizer Menu Map...
  • Page 33 Quick Start Guide August 2015 Figure 26. Diagnostics Menu Map...
  • Page 34 August 2015 Quick Start Guide Figure 27. Basic Setup Menu Map...
  • Page 35 Quick Start Guide August 2015 Figure 28. Detailed Setup Menu Map...

  • Page 36: Product Certifications

    August 2015 Quick Start Guide Product Certifications Approvals Document July 24, 2015 08732-AP01, Rev AF Rosemount 8700M Magnetic Flowmeter Platform Order 8732EM 8705M and 8711M/L Certification Region Agency Code Transm itter Rating Flow tube Rating Num ber Ordinary Locations *...
  • Page 37 Quick Start Guide August 2015 Approvals Document July 24, 2015 08732-AP01, Rev AF Approval Markings and Logos Marking or Symbol Symbol Region Meaning of Marking or Symbol Name European Union Compliance with all applicable European Union Directives. Compliance with Equipment and Protective ATEX European Union systems intended for use in Potentially...
  • Page 38 August 2015 Quick Start Guide Approvals Document July 24, 2015 08732-AP01, Rev AF European Directive Information 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 www.rosemount.com. Electro Magnetic Compatibility (EMC) (2004/108/EC) Transmitter and Flowtube: EN 61326-1: 2013 Transmitters with output code “B”...
  • Page 39 Quick Start Guide August 2015 Approvals Document July 24, 2015 08732-AP01, Rev AF Certifications Factory Mutual (FM) Ordinary Location Certification for FM Approvals As standard, the transmitter and flowtube have been examined and tested to determine that the design meets basic electrical, mechanical, and fire protection requirements by FM Approvals, a nationally recognized testing laboratory (NRTL) as accredited by the Federal Occupational Safety and Health Administration (OSHA).
  • Page 40 August 2015 Quick Start Guide Approvals Document July 24, 2015 08732-AP01, Rev AF 8705-M and 8711-M/L Flowtube Note: When used in hazardous (classified) locations: The 8705-M and 8711-M/L may only be used with a certified 8732EM transmitter. Non-Incendive with Intrinsically Safe Electrodes for Class I, Division 2, Groups ABCD: T3…T5 Dust-Ignition Proof for Class II/III, Division 1, Groups EFG: T2…T5 Enclosure Type 4X, IP66/68 (IP68 remote mount only)
  • Page 41 Quick Start Guide August 2015 Approvals Document July 24, 2015 08732-AP01, Rev AF Canadian Standards Association (CSA) CLASS 2258 02 - PROCESS CONTROL EQUIPMENT - For Hazardous Locations – To Canadian Requirements. Class I, Groups A, B, C and D (Intrinsically Safe Output and Electrode circuit) Class I, Division 2, Groups A, B, C and D (Non-Incendive) Class II, Division 1, Groups E, F and G (Dust Ignition Proof) Magnetic Flow Meter –...
  • Page 42 August 2015 Quick Start Guide Approvals Document July 24, 2015 08732-AP01, Rev AF...
  • Page 43 Quick Start Guide August 2015 Approvals Document July 24, 2015 08732-AP01, Rev AF...
  • Page 44 August 2015 Quick Start Guide Approvals Document July 24, 2015 08732-AP01, Rev AF...
  • Page 45 Quick Start Guide August 2015 Rosemount 8700M Magnetic Flowmeter Platform IEC EX & ATEX Approval Document January 29, 2015, 08732-AP02, Rev AB 1. Equipment Markings – See section VI in the tables on the following pages a. EC-Type Examination Certificate (ATEX): DEKRA 14ATEX0071_X b.
  • Page 46 August 2015 Quick Start Guide Rosemount 8700M Magnetic Flowmeter Platform IEC EX & ATEX Approval Document January 29, 2015, 08732-AP02, Rev AB i. For processes requiring EPL Ga and Gb, rated equipment: electrode, grounding ring, and lining protector materials Titanium and Zirconium are not allowed.
  • Page 47 Quick Start Guide August 2015 Rosemount 8700M Magnetic Flowmeter Platform IEC EX & ATEX Approval Document January 29, 2015, 08732-AP02, Rev AB Nomenclature Magnetic Flow Transmitter Model 8732EM and electrical data 8732EM … RT50 … … … F090… VIII Desig-...
  • Page 48 August 2015 Quick Start Guide Rosemount 8700M Magnetic Flowmeter Platform IEC EX & ATEX Approval Document January 29, 2015, 08732-AP02, Rev AB Nomenclature Magnetic Flow Tube Model 8705-M and electrical data 8705 … S A 005 … M4 K1 … G1 L1 B3 … J1 SJ … V1 … SH … F090x...
  • Page 49 Quick Start Guide August 2015 Rosemount 8700M Magnetic Flowmeter Platform IEC EX & ATEX Approval Document January 29, 2015, 08732-AP02, Rev AB Nomenclature Magnetic Flow Tube Model 8711-M/L and electrical data 8711 … S A 15F L … K1 … G1 … J1 SJ … V1 … F090x...
  • Page 50 August 2015 Quick Start Guide Figure 29. Rosemount 8732EM Installation and Wiring Drawings...
  • Page 51 Quick Start Guide August 2015...
  • Page 52 +971 4 8865465 Standard Terms and Conditions of Sale can be found at: FlowTechnicalSupport@emerson.com www.rosemount.com\terms_of_sale. The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount and Rosemount logotype are registered trademarks of Rosemount Inc. All other marks are the property of their respective owners.