YOKOGAWA FLXA402 Installation And Wiring
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YOKOGAWA FLXA402 Installation And Wiring

4-wire converter
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See also: Technical Information , User Manual
User's
Manual
Model FLXA402
4-Wire Converter
Installation and Wiring
(Introduction and General Description)
IM 12A01F01-02EN
IM 12A01F01-02EN
2nd Edition

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  • Page 1 User’s Manual Model FLXA402 4-Wire Converter Installation and Wiring (Introduction and General Description) IM 12A01F01-02EN IM 12A01F01-02EN 2nd Edition...

  • Page 2: Introduction

    402 4-Wire Converter. This Instructor’s Manual contains all essential information for the user to make full use of FLXA402. Please read the following respective documents before installing and using the FLXA402. The related documents are listed as follows. General Specifications...
  • Page 3 • No part of the user’s manuals may be transferred or reproduced without prior written consent from YOKOGAWA. • YOKOGAWA reserves the right to make improvements in the user’s manuals and product at any time, without notice or obligation. • If you have any questions, or you find mistakes or omissions in the user’s manuals, please contact our sales representative or your local distributor.

  • Page 4: Regulatory Compliance For Radio And Telecommunication

    Regulatory Compliance for Radio and Telecommunication FCC Approval FCC CAUTION Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.
  • Page 5 When FLXA402 contains Bluetooth communication, FLXA402 is built in compliance with requirements of RE Directive: We, Yokogawa Electric Corporation hereby declare that this equipment, FLXA402 is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/ EU. The full text of the EU declaration of conformity is available at the following internet address: http://www.yokogawa.com/an/flxa402/download/...

  • Page 6: Table Of Contents

    Toc-1 Model FLXA402 4-Wire Converter Installation and Wiring (Introduction and General Description) IM 12A01F01-02EN 2nd Edition CONTENTS Introduction ....................i Regulatory Compliance for Radio and Telecommunication ....iii INTRODUCTION AND GENERAL DESCRIPTION ........1-1 Instrument check ....................1-2 Name and description ..................1-6 Specification ......................
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  • Page 8: Introduction And General Description

    5 sensors. For the transfer of diagnostic data and other device information to a host system, the FLXA402 supports the HART and MODBUS protocols. This solution also facilitates connection to the cloud and the construction of an Industrial IoT (IIoT) environment, for improved field maintenance.

  • Page 9: Instrument Check

    Upon delivery, unpack the instrument carefully and inspect it to ensure that it was not damaged during shipment. If damage is found, retain the original packing materials (including the outer box) and then immediately notify the carrier and the relevant Yokogawa sales office. Checking the model and suffix code FLXA402 Make sure the model and suffix code on the nameplate affixed to the left side of the housing.
  • Page 10 <1. INTRODUCTION AND GENERAL DESCRIPTION> Spare parts Spare parts are supplied by Yokogawa with the product. Make sure items in Table 1.1 are included. Table 1.1 Spare parts Product Name Model and suffix Quantity Remark code Cable glands all others except Cable gland (M20x1.5): 8 pcs...
  • Page 11 <1. INTRODUCTION AND GENERAL DESCRIPTION> Table 1.2 Options (option code) Product Name Model and Quantity Remark suffix code Pipe and wall mounting Option code: / 1 set For /UM, bracket for /U hardware UM, /U and /PM,one of each, are supplied. Panel mounting Option code: 1 set...
  • Page 12 <1. INTRODUCTION AND GENERAL DESCRIPTION> Product Name Model and Quantity Remark suffix code Conduit adapter Option code: Adapter: 4 pcs /CB4, /CD4, / Cable gland for adapter: 4 pcs Rubber plug attachment : 1 piece Adapter: 3 pcs /CB6, /CD6, / Cable gland for adapter: 3 pcs Ethernet adapter: 1 piece Ethernet cable gland (black): 1 piece...

  • Page 13: Name And Description

    (Do not use it) Front view Front view with the front panel opened Figure 1.2 FLXA402 Parts names and descriptions CAUTION Slide switch 1 is for HART. See the technical information TI 12A01F01-61EN for the technical information. Do not switch ON the Slide switch 2. Do not press reboot switch, either.
  • Page 14 <1. INTRODUCTION AND GENERAL DESCRIPTION> FLXA 402 is a module-designed converter, assigning each function to separate module. The figure below shows how modules are installed, although modules to use are different according to specification. IO module 1st sensor module 2nd sensor module Communication module Relay module power terminal...

  • Page 15: Specification

    <1. INTRODUCTION AND GENERAL DESCRIPTION> Jumper and Jumper holder When you don’t need the jumpers, store them in the jumper holders located inside of the front panel, to prevent them from being lost. You can put jumpers anywhere among 5 holders (1A and 4Bs) as Figure 1.4. A has a guide hole.

  • Page 16: Model & Suffix Codes

    <1. INTRODUCTION AND GENERAL DESCRIPTION> Model & Suffix Codes Model Suffix code Option code Description FLXA402 ······································································· ················· 4-Wire Converter Power ················· AC version ················· supply DC version ················· Housing Aluminum alloy cast + urethane coating (*1) ················· Aluminum alloy cast + high anti-corrosion coating Type ·················...

  • Page 17: Dimensions

    1-10 <1. INTRODUCTION AND GENERAL DESCRIPTION> Conduit adapter (need to be purchased additionally) Parts Type Quantity Remark number G 1/2 K9703WF 4 set for Option code /CB (Cable gland for adapter + adapter) 1/2 NPT K9703WG 4set for Option code /CD□ (Cable gland for adapter + adapter) M 20 x 1.5 K9703WH...

  • Page 18: Wiring And Installation

    <2. WIRING AND INSTALLATION> WIRING AND INSTALLATION Install the cable glands on FLXA402 before wiring. The cable glands are included inside the product package. Installation site The FLXA402 is weatherproof and can be installed both indoors and outdoors. It should, however, be installed as close as possible to the sensor to avoid long cable runs between the instrument and sensor.

  • Page 19: Mounting Methods

    <2. WIRING AND INSTALLATION> Mounting methods See 1.5 Dimensions for information on the hardware for mounting. The FLXA402 has various mounting possibilities.(Figure.2.1) • Panel mounting using optional mounting hardware (/PM or /UM) • Wall mounting using optional mounting hardware (/U or /UM) •...

  • Page 20: Removing The Shield Cover

    <2. WIRING AND INSTALLATION> Removing the shield cover The shield cover covers high-voltage power supply terminals and relay modules. CAUTION To ensure your safety, be sure to shut down the power supply before you remove the shield cover. Open the front panel and remove the shield cover. After removing the shield cover, install the cable glands.

  • Page 21: Installing The Cable Glands

    <2. WIRING AND INSTALLATION> Installing the cable glands The supplied cable glands are for cables with an outside diameter of 6 to 12 mm (0.24 to 0.47 inches). Unused cable entry holes must be sealed with cable glands including the supplied rubber close up plugs.
  • Page 22 <2. WIRING AND INSTALLATION> Conduit adapter When protecting the cable with a conduit, use an adapter. (option codes: /CB4, /CD4, /CF4, / CB6/ CD6 /, /CF6) CAUTION There are 8 holes for cable connection. Apply the cable gland of supplied accessories (dark- grayed cable glands) to the holes which no conduit adapters connect to.

  • Page 23: Wiring

    Always place the shield cover over the power supply and contact terminals for interference avoidance and safety reasons. CAUTION Turn off power supply to FLXA402 before wiring cables. CAUTION After wiring of power supply or contact output is completed, put on the shield cover. (see section 2.3)
  • Page 24 2.5.1 Wiring the power supply CAUTION Turn off power supply to FLXA402 before wiring. Power rating must comply with FLXA402 specification. Power voltage must match with the one indicated on the name plate. WARNING ● You must install external power supply switch or circuit breaker for power supply.

  • Page 25: Wiring The Power Supply

    Connect FLXA402 to ground. (Class D ground: 100 ohm or less) for interference avoidance and safety reasons. Use ground cables with larger cross - sectional area. Fix the cable on the rear side of FLXA402 outer case or connect the grounding cable to the terminal of the power module inside. See Figure 2.8.
  • Page 26 Figure2.8 External grounding (rear side), internal grounding NOTE FLXA402 on AC power supply requires the protective grounding. The converter on DC power supply does not require the protective grounding but it does function grounding. It has the same type of case as the converter on AC power supply, therefore you see the symbol of protective grounding .

  • Page 27: Wiring Relay Module (Contact Outputs)

    S4(NC) Contact S4 Normally Close Figure 2.9 Relay module contacts FLXA402 has 4 contact outputs, which allows configuration to adjust to operation. Contact S4 is fail safe contact. See IM-Converter operation Section 4.4. IM 12A01F01-03EN There are 2 cable inlets. Take a suitable one to run wiring with good structure. Be sure to plug unused cable gland with a supplied rubber close up plug.

  • Page 28: Wiring Network Cables

    <2. WIRING AND INSTALLATION> 2.5.3 Wiring network cables FLXA402 provides two types of wired digital network, Ethernet (Modbus TCP/IP) or RS-485 (Modbus RTU). Use shielded cable to avoid deteriorated performance caused by EMI disturbance or radiation effects on electric devices.
  • Page 29 2-12 <2. WIRING AND INSTALLATION> Ethernet cabling Suffix code-E is specified. (Modbus TCP/IP) Figure 2.12 shows the positions of RJ45. Use STP shield cable of category 5 or greater to the RJ45 connector. You can apply both straight and crossover cable for Ethernet cabling. Modbus TCP/IP (Ethernet) Figure 2.12...

  • Page 30: Wiring Io Module

    Wiring mA output FLXA402 transmits 4-20 mA analog signals with maximum load of 600 Ω to peripherals including a control system or recorders. IO module has mA output function. Be sure to use shielded cables for output signal cables, and connect shield to terminal 63 (or 89*).
  • Page 31 IO code -A4 is selected Figure 2.15 IO module terminal assignment When all wiring is complete, close the FLXA402 front cover, and turn the power on. Check that the screen displays normally. CAUTION To install the front panel, tighten each screw evenly until every four of them is completely fastened.

  • Page 32: Sensor Wiring

    2-15 <2. WIRING AND INSTALLATION> Sensor wiring The FLXA402 can be used with a wide range of commercially available sensor types, both from Yokogawa and other manufacturers. Terminal screw size is M3, and torque of screw up is 0.6 N•m.
  • Page 33 2-16 <2. WIRING AND INSTALLATION> Wiring of YOKOGAWA sensors FLXA402 Terminals Short *2 FLXA402 18/13 19/15 Sensor Measurement Remark /FLXA21 Sensor cable marking (or color) Jumper *1 Terminals DO30G Fixed Cable FU20/ pH, pH & PH20/ Fixed Cable ORP, rH...
  • Page 34 2-17 <2. WIRING AND INSTALLATION> Wiring of HAMILTON sensors FLXA402 Terminals Short *2 Measure- FLXA402 18/13 19/15 Sensor Remark ment /FLXA21 Sensor cable marking (or color) Jumper *1 Terminals WU20D CHEMTRODE Blue (White) 13/14 Cable CHEMTRODE- 13/14 CHEMTRODE- 13/14 VP6-SC...

  • Page 35: Wiring The Ph/Orp Sensor

    2-18 <2. WIRING AND INSTALLATION> 2.6.1 Wiring the pH/ORP sensor pH Measurement Conventional pH sensors are connected to the module as follows: FLXA402 11 Temperature 12 Temperature 13 Reference 14 Solution ground 15 Glass (measure) 16 Shield 17 Shield Liquid...
  • Page 36 ORP as process variable and a pH Glass electrode as reference. This is the case with rH measurement and with pH compensated ORP measurement. Conventional ORP sensors are connected to the module as follows: FLXA402 11 Temperature 12 Temperature...

  • Page 37: Wiring The Conductivity (Sc) Sensor

    <2. WIRING AND INSTALLATION> NOTE The special grommet is intended to be used to seal the multiple cables from the Yokogawa flow fittings such as FF20. The designated cables are WU20 sensor cables, which are approximately 5 mm (0.2”) in diameter, and K1500FV liquid earth cables, which are approximately 2.5 mm (0.1”) in diameter.

  • Page 38: Wiring The Inductive Conductivity (Isc) Sensor

    2-21 <2. WIRING AND INSTALLATION> FLXA402 Temp 2.6.3 Wiring the inductive conductivity (ISC) sensor ISC40 sensors are connected to the module as follows: FLXA402 Temp Receive coil shield Sensor shield (internal) Drive coil shield The sensors are supplied with integral cables and each individual wire is marked with the corresponding terminal numbers.

  • Page 39: Wiring The Dissolved Oxygen (Do) Sensor

    The input module for DO measurement is suitable for different types of DO sensors: i. Galvanic sensors like model DO30G ii. Polarographic sensors like HAMILTON’S Oxyferm and Oxygold The connection is as follows: FLXA402 11 TC + TC - + anode galvanic...

  • Page 40: Wiring Digital Sensors

    FLXA402 detects the sensor connected and displays an alarm if the sensors are not connected. CAUTION Turn off the power to FLXA402 when pulling off cables from the digital sensors, or connecting the digital sensors to cables which are already wired to FLXA402.

  • Page 41: Wiring Sensors With Sencom Sa

    Because WU11 cables are thin, first remove the cable gland’s standard packing and apply the supplied grommet instead. Grommet Remove the standard packing. Sensor FLXA402 acknowledges the connection of sensors, if not, FLXA402 alerts an error. IM 12A01F01-02EN 2nd Edition : Feb. 19, 2019-00...

  • Page 42: Revision Record

    Revision Record Manual Title : Model FLXA402 4-Wire Converter Installation and Wiring (Introduction and General Description) Manual No. : IM 12A01F01-02EN Feb. 2019/2nd Edition Modified Model & Suffix Codes. (p. 1-7, 1-9) Nov. 2018/1st Edition Newly published IM 12A01F01-02EN 2nd Edition : Feb. 19, 2019-00...
  • Page 43 Blank Page Yokogawa Electric Corporation 2-9-32 Nakacho, Musashino-shi, Tokyo 180-8750, JAPAN http://www.yokogawa.com/...

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