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SMAR FI302 Operation, Maintenance & Instruction Manual

Triple channel fieldbus to current converter
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Summary of Contents for SMAR FI302

  • Page 1 F I 3 0 2 M E...
  • Page 2 Specifications and information are subject to change without notice. For the latest updates, please visit the SMAR website above. BRAZIL CHINA FRANCE Smar Equipamentos Ind. Ltda. Smar China Corp. Smar France S. A. R. L. Rua Dr. Antonio Furlan Jr., 1028 3 Baishiqiao Road, Suite 30233 42, rue du Pavé...
  • Page 3 Introduction Introduction The FI302 is of the first generation of Fieldbus devices. It is a converter mainly intended for interface of a Fieldbus system to control valve or other actuators. The FI302 produces a 4-20 mA output proportional to input received over the Fieldbus network. The digital technology used in the FI302 enables an easy interface between the field and the control room and several interesting features that reduce considerably the installation, operation and maintenance costs.
  • Page 4 FI302 - Operation and Maintenance Instruction Manual WARNING This Manual is compatible with version 3.XX, where 3 denote software version and XX software release. The indication 3.XX means that this manual is compatible with any release of software version 3.

  • Page 5: Table Of Contents

    Index Table of Contents INSTALLATION.....................1.1 GENERAL ............................1.1 TOPOLOGY AND NETWORK CONFIGURATION ................1.4 OPERATION ......................2.1 FUNCTIONAL DESCRIPTION – ELETRONICS REFER TO THE BLOCK DIAGRAM..... 2.1 CONFIGURATION ....................3.1 TRANSDUCER BLOCK ........................3.1 HOW TO CONFIGURE A TRANSDUCER BLOCK................3.1 TERMINAL NUMBER........................3.1 CURRENT TRIM ..........................
  • Page 6 FI302 - Operation and Maintenance Instruction Manual...

  • Page 7: Installation

    Procedures). Output Wiring The output is in fact a current link. An external power source is therefore necessary. The FI302 controls the current in the loop. (See Figure 1.4 - Output Connections). The three channels have a common ground for the external power supply.
  • Page 8 Various types of Fieldbus devices may be connected on the same bus. The FI302 is powered via the bus. The limit for such devices is 12 for one bus for non-intrinsically safe requirement. In hazardous area, the number of devices may be limited by intrinsically safe...
  • Page 9 Explosion proof, non-incendive and intrinsic safety Factory Mutual certification are standards for FI302 (See Control Drawing in Appendix A). Should other certifications be necessary, refer to the certification or specific standard for installation limitations.

  • Page 10: Topology And Network Configuration

    FI302 - Operation and Maintenance Instruction Manual Avoid routing signal wiring close to power cables or switching equipment. The FI302 is protected against reverse polarity, and can withstand ±35 V DC without damage. NOTE Please refer to the General Installation, Operation and Maintenance Manual for more details.
  • Page 11 Installation Figure 1.6 - Tree Topology There are two ways to configure the communication and function block links for the FI302. The first is using a system configuration device. In this case the heaviest and most difficult task is automated and the risk for configurating the communication wrongly is almost eliminated.
  • Page 12 FI302 - Operation and Maintenance Instruction Manual...

  • Page 13: Operation

    Operation Functional Description – Electronics Refer to the block diagram Figure 2.1 - FI302 Block Diagram The function of each block is described below: Receives the signal from the CPU and converts it to an analog voltage, used by the current control.
  • Page 14 FI302 - Operation and Maintenance Instruction Manual Power Isolation Just like the signals to and from the output section, the power to the output section must be isolated. Display Controller Receives data from the CPU and drives the Liquid Crystal Display.

  • Page 15: Configuration

    Configuration One of the many advantages of Fieldbus is that device configuration is independent of the configurator. The FI302 may be configured by a third party terminal or operator console. Any particular configurator is therefore not addressed here. The FI302 contains three output transducer blocks, one resource block, one display transducer block and function blocks.

  • Page 16: Current Trim

    FI302 - Operation and Maintenance Instruction Manual Current Trim The FI302 provides the capability of making a trim in the output channels, if necessary. A trim is necessary if the indicator reading of the transducer block output differs from the actual physical output.
  • Page 17 0%. Figure 3.2 - Calibrating the Cal Point Lo – FI302 Always keep in mind that, simply by writing in this parameter, the trim procedure is initialized. Read the current in the multimeter and write that value in parameter FEEDBACK_CAL. Write in this parameter until it reads 4.0 mA or the lower value readout of the multimeter.
  • Page 18 Write 20 mA in parameter CAL_POINT_HI. Always keep in mind that, simply by writing in this parameter, the trim procedure is initialized. This parameter The desired value indicates where the should be entered. converter should be when the setpoint is 100%. Figure 3.5 - Calibrating the Cal Point Hi – FI302...
  • Page 19 Figure 3.6 - Feedback of Current Hi Value – FI302 In order to end the trim procedure, choice DISABLE in the parameter CAL_CONTROL. This parameter The enable option ends the calibration indicates that the procedure.
  • Page 20 Operation associated to was not sucessfull. calibration procedure. Figure 3.8 - Calibration Error Message – FI302 NOTE It is convenient to choose the unit to be used in parameter XD_SCALE of the Analog Output Block, considering that sensor limits at 100% and at 0% should be observed.
  • Page 21 The transducer block also has a characterization curve, used to give a determined profile to the output. This is useful, for example, when the FI302 is controlling a valve with a non-linear characteristic. Characterization curve, when used, is applied to the input signal, before it is converted by the transducer to analog current.

  • Page 22: Via Local Adjustment

    Figure 3.12 - Configuring the Characterization Curve - Y points Via Local Adjustment The FI302 has 3 output transducers and its device leaves SMAR with factory settings. The factory setting establishes only the transducers #1 as default for local adjustment. In order to configure the others via local adjustment, the user should configure them in the display transducer via SYSCON, according specific instructions for this transducer block.

  • Page 23: Display Transducer Block

    "Programming Using Local Adjustment". It is significantly the resources on this transducer display, also all the Series 302 field devices from SMAR has the same methodology to handle with it. So, since the user has learned once, he is capable to handle all kind of field devices from SMAR.

  • Page 24: Definition Of Parameters And Values

    SYSCON (System Configuration). The Figure 3.8 - Calibration Error Message – FI302 and the Figure 3.9 - Enabling the Characterization Curve show all parameters and their respective values, which shall be configured in accordance with then necessity of being locally adjusted by means of the magnetic tool.
  • Page 25 Configuration Figure 3.13 - Parameters for Local Adjustment Configuration Figure 3.14 - Parameters for Local Adjustment Configuration 3.11...
  • Page 26 FI302 - Operation and Maintenance Instruction Manual Figure 3.15 - Parameters for Local Adjustment Configuration Figure 3.16 - Parameters for Local Adjustment Configuration 3.12...

  • Page 27: Programming Using Local Adjustment

    In order to start the Place the local adjustment, magnetic tool in place the magnetic orifice S and wait tool in orifice Z and during 5 seconds. wait until letters MD are displayed. Figure 3.18 - Step 1 - FI302 3.13...
  • Page 28 FI302 - Operation and Maintenance Instruction Manual Remove the Insert the magnetic tool magnetic tool in from orifice S. orifice S once more and LOC ADJ should be displayed Figure 3.19 - Step 2 - FI302 This parameter is used to...
  • Page 29 Upper current calibration points. An arrow pointing upward increments the current. Figure 3.22 - Step 5 - FI302 Place the magnetic tool in orifice S to shift the arrow to the downward position and decrement the...
  • Page 30 FI302 - Operation and Maintenance Instruction Manual 3.16...

  • Page 31: Maintence Procedures

    Maintenance Procedures General SMAR FI302 Fieldbus to Current Converters are extensively tested and inspected before delivery to the end user. Nevertheless, during their design and development, consideration was given to the possibility of repairs by the end user, if necessary.

  • Page 32: Disassembly Procedure

    This procedure makes effective all the factory configuration and will eliminate eventual problems with the function blocks or with the equipment communication. Disassembly Procedure Refer to Figure 4.1 - FI302 Exploded View Make sure to disconnect power supply before disassembling the converter. Figure 4.1 - FI302 Exploded View...

  • Page 33: Reassemble Procedure

    Returning Materials Should it become necessary to return the converter to SMAR, simply contact your local agent or SMAR office, informing the defective instrument’s serial number, and return it to our factory.
  • Page 34 FI302 - Operation and Maintenance Instruction Manual SPARE PARTS LIST DESCRIPTION OF PARTS POSITION CODE HOUSING, Aluminum (NOTE 1) ½ - 14 NPT 324-0130 M20 x 1.5 324-0131 PG 13.5 DIN 324-0132 HOUSING, 316 SS (NOTE 1) ½ - 14 NPT 324-0133 M20 x 1.5...
  • Page 35 Maintenance Procedures NOTE It includes terminal holder insulator, bolts (cover lock, grounding and terminal holder insulator) and identification plate without certification. 0-Rings are packaged in packs of 12 units. Including U-clamp, nuts, bolts and washers. Spare Parts List.
  • Page 36 FI302 - Operation and Maintenance Instruction Manual...

  • Page 37: Functional Specifications

    Section 5 Technical Characteristics Functional Specifications Output Signal Three 4-20 mA current links, external supply, common ground Input Signal Digital only, Fieldbus , 31.25 Kbit/s voltage mode with bus power. Output Load Limitation External Output Supply Voltage: 3-45 Vdc. Power Supply Bus power 9-32 Vdc.

  • Page 38: Physical Specifications

    FI302 - Operation and Maintenance Instruction Manual Physical Specifications Electrical Connection 1/2-14 NPT, Pg 13.5 or M20 x 1.5. Material of Construction Injected low copper aluminum with polyester painting or 316 Stainless Steel housing, with Buna N O-rings on covers (NEMA 4X, IP67).
  • Page 39 Technical Characteristics...
  • Page 40 FI302 - Operation and Maintenance Instruction Manual...

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