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Emerson Rosemount 702 Quick Start Manual
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Emerson Rosemount 702 Quick Start Manual

Emerson Rosemount 702 Quick Start Manual

Wireless discrete transmitter
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Quick Start Guide
00825-0200-4702, Rev HE
July 2023
Rosemount
702 Wireless Discrete
™
Transmitter

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Summary of Contents for Emerson Rosemount 702

  • Page 1 Quick Start Guide 00825-0200-4702, Rev HE July 2023 Rosemount 702 Wireless Discrete ™ Transmitter...
  • Page 2 Physical security is an important part of any security program and fundamental in protecting your system. Restrict physical access by unauthorized personnel to protect end users’ assets. This is true for all systems used within the facility. Emerson.com/Rosemount...

  • Page 3: Table Of Contents

    July 2023 Quick Start Guide Contents About this guide........................... 5 Wireless considerations......................6 Mounting the transmitter with a strap..................9 Device network configuration....................15 Verify operation..........................17 Reference information: wiring switch inputs, output circuits, and leak sensors....21 Safety shower and eye wash monitoring................44 Product certification........................
  • Page 4 Quick Start Guide July 2023 Emerson.com/Rosemount...

  • Page 5: About This Guide

    July 2023 Quick Start Guide 1  About this guide This guide provides basic guidelines for the Rosemount 702 Wireless Discrete Transmitter. It does not provide instructions for detailed configuration, diagnostics, maintenance, service, troubleshooting, or installations. Refer to the Rosemount 702 Reference Manual for more instruction.

  • Page 6: Wireless Considerations

    Module, SmartPower Solutions model number 701PBKKF into the ™ Rosemount 702 Wireless Discrete Transmitter to power the device. Power up wireless devices in order of proximity from the Gateway, beginning with the closest device, then working outward from the Gateway. This results in a simpler and faster network formation.
  • Page 7 A. Conduit entry 2.4  Field Communicator connections The power module must be installed before the Field Communicator can interface with the Rosemount 702 Wireless Discrete Transmitter. For HART Wireless Transmitter communication via a Field ® Communicator, a Rosemount 702 Wireless Device Dashboard (DD) is required.
  • Page 8 Quick Start Guide July 2023 Figure 2-3: Connection Diagram A. Communication terminals B. Handheld communicator C. HART modem After the Wireless Gateway has been installed and is functioning properly, set up the transmitter and all other wireless devices. Emerson.com/Rosemount...

  • Page 9: Mounting The Transmitter With A Strap

    Procedure 1. Install the switch according to standard installation practices making sure to use thread sealant on all connections. 2. Using the threaded conduit entry, attach the Rosemount 702 housing to the switch. 3. Referring to the wiring diagram (see...
  • Page 10 The antenna should be approximately 3 ft. (0.91 m) from any large structures or buildings, to allow clear communication to other devices. 3.2  Remote mount installation Figure 3-2: Remote Mount A. Rosemount 702 Wireless Discrete Transmitter B. Float switch Emerson.com/Rosemount...
  • Page 11 1. Install the switch according to standard installation practices making sure to use thread sealant on all connections. 2. Run wiring (and conduit if necessary) from the switch to the Rosemount 702 Wireless Discrete Transmitter. 3. Pull the wiring through the threaded conduit entry of the transmitter.
  • Page 12 A. 2″ U-bolt for pipe fitting 3.3  Remote antenna (optional) The high-gain remote antenna options provide flexibility for mounting the device based on wireless connectivity, lightning protection, and current work practices. Figure 3-3: Rosemount 702 Wireless Discrete Transmitter with Remote Antenna Emerson.com/Rosemount...
  • Page 13 If the supplied remote mount antenna kit is not installed per these instructions, Emerson is not responsible for wireless performance or non-compliance with spectrum regulations. Procedure 1.
  • Page 14 July 2023 Note The remote mount antenna kit includes coaxial sealant for weatherproofing the cable connections for the lightning arrestor, antenna, and Rosemount 702. Coaxial sealant must be applied to guarantee performance of the wireless field network. See Figure 3-4 for details on how to apply coaxial sealant.

  • Page 15: Device Network Configuration

    Device network configuration To communicate with the Wireless Gateway, and ultimately the host system, the Rosemount 702 Wireless Discrete Transmitter must be configured to communicate with the wireless network. This step is the wireless equivalent of connecting wires from a transmitter to the information system.
  • Page 16 The Network ID and Join Key may be changed in the wireless device by using the following Fast Key sequence. Set both Network ID and Join Key. Function Fast Key sequence Menu items Wireless setup 2,2,1 Network ID, Join Device to Network Emerson.com/Rosemount...

  • Page 17: Verify Operation

    5.1  Local display 5.1.1  Start-up sequence When the Rosemount 702 Wireless Discrete Transmitter is first powered up, the LCD display will display a sequence of screens: All Segments On, Device Identification, Device Tag, and then the user- selected variables of the periodic display.
  • Page 18 Wireless Gateway Procedure In the Gateway’s integrated web server, navigate to the user interface page. This page shows if the device joined the network and is communicating properly. Refer to Emerson Wireless Gateway Reference Manual. Note It may take several minutes for the device to join the network.
  • Page 19 July 2023 Quick Start Guide Figure 5-1: Wireless Gateway Explorer Page 5.4  AMS Wireless Configurator When the device has joined the network, it will appear in AMS Wireless Configurator as illustrated below. Figure 5-2: AMS Wireless Configurator, Device Explorer Screen 5.5  Troubleshooting If the device is not joined to the network after power up, verify the correct configuration of the Network ID and Join Key, and that Active...
  • Page 20 2. To change the Network ID and Join Key in the wireless device, use a Field Communicator and enter the following Fast Key sequence. Function Fast Key sequence Menu items Wireless 2, 1, 1 Join Device to Network 3. Follow the on-screen prompts. Emerson.com/Rosemount...

  • Page 21: Reference Information: Wiring Switch Inputs, Output Circuits, And Leak Sensors

    6.1  Dry contact switch inputs The Rosemount 702 Wireless Discrete Transmitter has a pair of screw terminals for each of two channels, and a pair of communication terminals. These terminals are labeled as follows:...
  • Page 22 Open FALSE (0.0) 6.2.2  Dual input, limit contact logic When configured for Limit Contact Logic, the Rosemount 702 Wireless Discrete Transmitter accepts the input from two single-pole single-throw switch on inputs CH1 and CH2, and uses limit contact logic for the determination of the wireless outputs.
  • Page 23 FAULT(NaN) FAULT(NaN) 6.2.3  Dual input, opposing contact logic When configured for Opposing Contact Logic, the Rosemount 702 Wireless Discrete Transmitter accepts the input from a double-pole single-throw switch on inputs CH1 and CH2, and uses opposing contact logic for the determination of the wireless outputs.
  • Page 24 6.3  Momentary discrete inputs, measurement option code 32 and 42 The Rosemount 702 Wireless Discrete Transmitter is capable of detecting momentary discrete inputs of 10 milliseconds or more in duration, regardless of the wireless update rate. At each wireless update, the device reports current discrete input state along with an accumulating count of close-open cycles for each input channel.
  • Page 25 July 2023 Quick Start Guide Figure 6-5: Momentary Inputs and Accumulating Count A. Input Switch State B. Closed C. Open D. State E. Count F. Wireless Updates Figure 6-6: Reporting of Current Discrete State and Count in AMS Device Manager A. Current State B.
  • Page 26 Quick Start Guide July 2023 6.3.1  Setting variable reporting The Rosemount 702 Wireless Discrete Transmitter has two choices for variable reporting: Classic - Discrete State Only or Enhanced – Discrete State and Count. Procedure 1. In AMS Device Manager, select Configure → Manual Setup → ...
  • Page 27 Disabled Latched rising 1 minute Once the Rosemount 702 recognizes that the input signal has transitioned, the reported state reports the latched value. As soon as the reported state is no longer latched, the device is prepared for the next event.
  • Page 28 Quick Start Guide July 2023 Figure 6-7: Latched Rising A. Input signal B. True C. False D. Reported state E. Hold time Emerson.com/Rosemount...
  • Page 29 July 2023 Quick Start Guide Figure 6-8: Latched Falling A. Input signal B. True C. False D. Reported state E. Hold time The latch only applies to transitions into the active state. If the input signal goes inactive and active again before the initial latch hold timer expires, the latch hold timer restarts from the beginning of the most recent event.
  • Page 30  WARNING When state latching is enabled, the discrete variable reported to the system will represent the latched value which may not be the actual state value measured by the Rosemount 702 Wireless Discrete Transmitter.  WARNING Ensure that the state latch time value is long enough for the value to be reported throughout the entire system to guarantee the state transition is not missed.
  • Page 31 Quick Start Guide 6.4  Discrete output circuits, measurement option code The Rosemount 702 Wireless Discrete Transmitter has two channels that can each be configured for discrete input or output. Inputs must be dry contact switch inputs and these were described in...
  • Page 32 If both channels are connected to output circuits, it is very important that the CMN terminal of each circuit be at the same voltage. Employing a common ground for both output circuits is one way to ensure that both circuits have CMN terminals at the same voltage. Emerson.com/Rosemount...
  • Page 33 Figure 6-12: Dual Output Circuits with a Common Ground A. Load B. Output If two output circuits are connected to a single Rosemount 702 Wireless Discrete Transmitter with a single power supply, both CH + and CMN terminals must be connected to each output circuit.
  • Page 34 6.8  Plunger arrival detection Product description The Rosemount 702 Wireless Discrete Transmitter for plunger arrival detection is designed to work with the ETC Cyclops plunger arrival sensor (ET-11000). The transmitter provides power to the plunger arrival sensor, reads and communicates the sensor state via WirelessHART .
  • Page 35 July 2023 Quick Start Guide Figure 6-15: Rosemount 702 for Plunger Arrival A. Plunger arrival sensor (ETC Cyclops) B. Rosemount 702 Plunger Arrival C. Lubricator D. Plunger E. Wastewater F. Upper lubricator outlet G. Lower lubricator outlet H. Well casing I. Production gas J.
  • Page 36 The wiring connections to the ETC Cyclops Sensor are made according to Figure 6-17. Figure 6-17: Wiring Configuration Plunger arrival sensor ETC Cyclops Sensor A. PWR B. SIG C. COM For mounting and maintenance of the ETC Cyclops Sensor, refer to the ETC Cyclops Plunger Arrival Sensor Manual. Emerson.com/Rosemount...
  • Page 37 July 2023 Quick Start Guide 6.8.2  System Verification After installation of the 702DX52 for plunger arrival, verify functionality. • Verify the sensor: To do so, pass a ferrous object (ex. Wrench) past the cyclops sensor to simulate an arrival. Verify via the LCD screen and/or field communicator that channel 1 indicates a state change.
  • Page 38 Thermo Controls, LLC. ™ The Rosemount 702 Wireless Discrete Transmitter is compatible with the Standard (TT-FFS) and Water Resistant (TT-FFS-WR) Fast Fuel Sensors. One transmitter can support up to 3 Fast Fuel sensors. These Fast Fuel sensors are connected using TraceTek Modular...
  • Page 39 July 2023 Quick Start Guide Figure 6-20: Fuel Sensor Wiring A. TT-MLC-MC-BLK (Leader cable) B. TT-FFS or TT-FFS-WR (Fast fuel sensor probe) C. TT-MLC-MC-BLK (Leader cable) D. TT-MJC-xx-MC-BLK (Optional jumper cable) E. TT-ZBC-xx-MC-BLK (Branch connector) F. TT-FFS or TT-FFS-WR (Fast fuel sensor probe) The transmitter can support up to 500 feet of TraceTek hydrocarbon or solvent sensor cable (TT5000 or TT5001 series).
  • Page 40 G. TT-MET-MC (End termination) H. Up to 500-ft. TT5000 or TT5001 sensor cable (Total per 702) Important notes regarding the use of nVent TraceTek Fast Fuel Sensor and TraceTek sensing cable: • nVent TraceTek sensors must be installed as per manufacturer recommendations. Emerson.com/Rosemount...
  • Page 41 In addition, system considerations must be observed to ensure that the device is still connected to the wireless network and reporting values. On an Emerson Wireless Gateway, this can be done by referring to the parameter: PV_HEALTHY. PV_HEALTHY has a “True”...
  • Page 42 6.10  Field Communicator use Note To communicate with a Field Communicator, power the Rosemount 702 Wireless Discrete Transmitter by connecting the power module. Table 6-7: Rosemount 702 Fast Key Sequence Function Fast Key Menu items sequence...
  • Page 43 July 2023 Quick Start Guide (continued) Table 6-7: Rosemount 702 Fast Key Sequence Function Fast Key Menu items sequence Wireless 2, 2, 1 Network ID, Join Device to Network, Configure Update Rate, Configure Broadcast Power Level, Power Mode, Power Source Sensor...

  • Page 44: Safety Shower And Eye Wash Monitoring

    July 2023 7  Safety shower and eye wash monitoring The Rosemount 702 Wireless Discrete Transmitter can be used to monitor safety showers and eye wash stations by using switch kits provided by TopWorx , an Emerson company. These kits are ordered ™...
  • Page 45 When the eye wash valve is activated (valve open) by pushing down on the hand paddle, the TopWorx switch is activated (closed switch) and the Rosemount 702 Wireless Discrete Transmitter senses that switch closure. This switch state is then transmitted by the transmitter to the Gateway, which then sends that information to the control host or alert system.

  • Page 46: Product Certification

    All wireless devices require certification to ensure that they adhere to regulations regarding the use of the RF spectrum. Nearly every country requires this type of product certification. Emerson is working with governmental agencies around the world to supply fully compliant products and remove the risk of violating country directives or laws governing wireless device usage.
  • Page 47 July 2023 Quick Start Guide Cet appareil est conforme à la norme RSS-247 Industrie Canada exempt de licence. Son fonctionnement est soumis aux deux conditions suivantes: • cet appareil ne doit pas provoquer d'interférences et. • cet appareil doit accepter toute interférence, y compris les interférences pouvant causer un mauvais fonctionnement du dispositif.
  • Page 48 II 1 G Ex ia IIC T4 Ga, T4(-60°C ≤ T ≤ +70°C) Ex ia IIC T5 Ga, T5(-60°C ≤ T ≤ +40°C) For use with Rosemount SmartPower power module part number ™ 753-9220-0001, or for use with Emerson SmartPower option 701PBKKF, or MHM-89004 Blue Power Module. Emerson.com/Rosemount...
  • Page 49 July 2023 Quick Start Guide Sensor terminal Fuel sensor terminal Plunger arrival parameters (option parameters (option transmitter code 32) code 61) parameters (option code 52) = 6.51 V = 7.8 V = 6.6 V = 13.37 mA = 92 mA = 125 mA = 21.76 mW = 180 mW = 202 mW...
  • Page 50 = 13.37 mA = 92 mA = 125 mA = 21.76 mW = 180 mW = 202 mW = 0.216 µF = 10 nF = 8.36nF = 23.78 µF = 9.2 µF Li = 0 O IIC O IIC Emerson.com/Rosemount...
  • Page 51 July 2023 Quick Start Guide Sensor terminal Fuel sensor terminal Plunger arrival parameters (option parameters (option transmitter code 32) code 61) parameters (option code 52) = 549.78 µF = 129 µF = 74 nF O IIB O IIB = 1000 µF = 1000 µF = 1.5 mH O IIA...
  • Page 52 = 92 mA = 21.8 mW P = 21.8 mW P = 650 mW = 202 mW = 180 mW = 21.78 = 10.9 µF = 8.36 nF = 9.29 µF O IIC µF = 0 H O IIB 499.78 µF Emerson.com/Rosemount...
  • Page 53 July 2023 Quick Start Guide Sensor Terminal parameters Plunger Fuel sensor terminal Arrival terminal (option code 42) parameters Transmitter parameters Sensor Switch (option code (option code (option code = 1000 = 0.0074 O IIA µF µF = 200 = 0.025 = 1.5 mH = 2 mH O IIC = 800...
  • Page 54 8.14.1  IP Republic of Korea Intrinsic Safety 10-KB4BO-0136 Certificate: Ex ia IIC T4 Ga (-60 °C ≤ T ≤ 70 °C) Markings: Ex ia IIC T5 Ga (-60 °C ≤ T ≤ 40 °C) 8.15  Combinations Combination of I1, I5, and I6 Emerson.com/Rosemount...
  • Page 55 July 2023 Quick Start Guide 8.16  EU Declaration of Conformity Figure 8-1: EU Declaration of Conformity Quick Start Guide...
  • Page 56 Quick Start Guide July 2023 Emerson.com/Rosemount...
  • Page 57 July 2023 Quick Start Guide 8.17  China RoHS Rosemount 702 China RoHS List of Rosemount 702 Parts with China RoHS Concentration above MCVs / Hazardous Substances Hexavalent Polybrominated Polybrominated Part Name Lead Mercury Cadmium Chromium biphenyls diphenyl ethers (Pb) (Hg) (Cd)
  • Page 58 Quick Start Guide July 2023 Emerson.com/Rosemount...
  • Page 59 July 2023 Quick Start Guide Quick Start Guide...
  • Page 60 2023 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.