YOKOGAWA Green Series User Manual
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YOKOGAWA Green Series User Manual

YOKOGAWA Green Series User Manual

Digital indicating controller
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User's
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www.DataSheet4U.com
Model UT351-xA
Digital Indicating Controller
with Active Color PV Display and
Embedded Ethernet
User's Manual
IM 05D01D13-41E
IM 05D01D13-41E
4th Edition

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  • Page 1 User’s Manual Model UT351-xA Digital Indicating Controller with Active Color PV Display and Embedded Ethernet User’s Manual IM 05D01D13-41E www.DataSheet4U.com IM 05D01D13-41E 4th Edition...
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  • Page 3: Introduction

    (2) Read this manual carefully to gain a thorough understanding of how to operate this product before starting operation. (3) This manual describes the functions of this product. Yokogawa Electric Corporation (hereinafter simply referred to as Yokogawa) does not guarantee the application of these functions for any particular purpose.
  • Page 4 I Force Majeure (1) Yokogawa assumes no liability to any party for any loss or damage, direct or indirect, caused by the use or any unpredictable defect of the product. (2) No portion of the software supplied by Yokogawa may be transferred, exchanged, leased or sublet for use by any third party without the prior permission of Yokogawa.
  • Page 5 (1) In order to protect the product and the system controlled by it against damage and ensure its safe use, make certain that all of the instructions and precautions relating to safety contained in this document are strictly adhered to. Yokogawa does not guaran- tee safety if products are not handled according to these instructions.
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  • Page 7: Table Of Contents

    Toc-i <Int> <Rev> Model UT351 with Active Color PV Display and Embedded Ethernet Digital Indicating Controller User’s Manual IM 05D01D13-41E 4th Edition CONTENTS Introduction......................i Installation ....................1-1 Model and Suffix Codes .................. 1-1 How to Install ....................1-2 How to Connect Wires ..................1-5 Hardware Specifications ................
  • Page 8 Toc-ii <Int> <Rev> Parameters ....................5-1 Parameter Map ....................5-1 Lists of Parameters ..................5-4 Function Block Diagram and Descriptions..........6-1 Revision Information .................... i www.DataSheet4U.com IM 05D01D13-41E 4th Edition : May 31, 2006-00...

  • Page 9: Installation

    <Toc> <1. Installation> Installation This chapter describes installation, wiring, and other tasks required to make the controller ready for operation. Model and Suffix Codes Before using the controller, check that the model and suffix codes match your order. Model Suffix Code Description Digital indicating controller (provided with retransmission output and 15 V UT351...

  • Page 10: How To Install

    <Toc> <1. Installation> How to Install NOTE To install the controller, select a location where: no one may accidentally touch the terminals, mechanical vibrations are minimal, 150mm corrosive gas is minimal, temperature can be maintained at about 23 C and 150mm 150mm the fluctuation is minimal,...
  • Page 11 <Toc> <1. Installation> I External Dimensions and Panel Cutout Dimensions UT351 Unit: mm Large bracket Small bracket 1 to 10 mm (Panel thickness) General installation Side-by-side close installation +0.8 117 min. [(N-1) 96+92] www.DataSheet4U.com (53) 145 min. "N" stands for the number of controllers to be installed.
  • Page 12 <Toc> <1. Installation> I How to Install Turn off the power to the controller before installing it on the panel because there is a possibility of electric shock. CAUTION After opening the mounting hole on the panel, follow the procedures below to install the controller: Insert the controller into the opening from the front of the panel so that the terminal board on the rear is at the far side.

  • Page 13: How To Connect Wires

    <Toc> <1. Installation> How to Connect Wires Before carrying out wiring, turn off the power to the controller and check that the cables to be connected are not alive with a tester or the like because there is a possi- bility of electric shock.

  • Page 14: Www.datasheet4U.com

    Power supply, grounding, relay contact outputs 600 V PVC insulated wires, JIS C 3307, 0.9 to 2.0 mm Thermocouple Shielded compensating lead wires, JIS C 1610, (See Yokogawa Electric's GS 6B1U1-E.) Shielded wires (three conductors), UL2482 (Hitachi Cable) Other signals Shielded wires...

  • Page 15: Hardware Specifications

    <Toc> <1. Installation> Hardware Specifications PV Input Signals • Number of inputs: 1 (terminals • Input type: Universal input system. The input type can be selected with the software. • Sampling period: 250 ms • Burnout detection: Functions at TC, RTD, standard signal (0.4 to 2 V or 1 to 5 V) Upscale, downscale, and off can be specified.
  • Page 16 <Toc> <1. Installation> Control Output Universal output system, The output type can be selected with the software. • Current output (Standard type: terminals ; Heating/cooling type: Heating side: terminals Cooling side: terminals Number of outputs 1 or 2 (two for heating/cooling type), switched between a voltage pulse output and current output.
  • Page 17 <Toc> <1. Installation> Display Specifications • PV display: 4-digit, 7-segment green or red LED display, character height of 20 mm • Setpoint display: 4-digit, 7-segment red LED display, character height of 9.3 mm • Status indicating lamps: LEDs Safety and EMC Standards •...
  • Page 18 1-10 <Toc> <1. Installation> Construction, Installation, and Wiring • Construction: Dust-proof and drip-proof pront panel conforming to IP55. For side-by- side close installation the controller loses its dust-proof and drip-proof protection. • Material: ABS resin and polycarbonate • Case color: Black •...
  • Page 19 1-11 <Toc> <1. Installation> Signal Isolations • PV input terminals: Isolated from other input/output terminals. Not isolated from the internal circuit. • 15 V DC loop power supply terminals: Not isolated from 4-20 mA analog output and voltage pulse control output. Isolated from other input/output terminals and internal circuit.
  • Page 20 1-12 <Toc> <1. Installation> Environmental Conditions • Normal operating conditions: Ambient temperature: 0 to 50 C (40 C or less for side-by-side close installation) Temperature change rate: 10 C/h or less Ambient humidity: 20 to 90% RH (no condensation allowed) Magnetic field: 400 A/m or less Continuous vibration at 5 to 14 Hz: Full amplitude of 1.2 mm or less Continuous vibration at 14 to 150 Hz: 4.9 m/s...

  • Page 21: Terminal Wiring Diagrams

    1-13 <Toc> <1. Installation> Terminal Wiring Diagrams NOTE Do not use unassigned terminals as relay terminals. Terminal wiring diagrams are shown on and after the next page. www.DataSheet4U.com IM 05D01D13-41E 4th Edition : May 31, 2006-00...
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  • Page 25: Initial Settings

    <Toc> <2. Initial Settings> Initial Settings This chapter describes examples of setting PV input types, control output types, and alarm types. Carrying out settings described herein allows you to perform basic control. Refer to examples of various settings to understand how to set parameters required.

  • Page 26: Names And Functions Of Front Panel Parts

    <Toc> <2. Initial Settings> Names and Functions of Front Panel Parts UT351 1. Process variable (PV) 3. Target setpoint display (SP) number 2. Setpoint indicator lamps display 5. Alarm indicator 4. Status lamps indicator 6. Light-loader lamp interface keys 7. A/M key 8.

  • Page 27: Setting Pv Input Type (Setting First At Power-On)

    <Toc> <2. Initial Settings> Setting PV Input Type (Setting First at Power-on) NOTE • The controller displays the operating display when the power is turned on. However, if PV input type has not been set, “IN” appears. In this case, first use the key to display the input range code to use, then press the key to register it.
  • Page 28 <Toc> <2. Initial Settings> Press the key once to register the Press the key once to display the SET/ENT SET/ENT required setpoint. parameter “RL” (minimum value of PV input range). Displays parameter “RL”. A / M SET/ENT A / M SET/ENT Press the SET/ENT...
  • Page 29 <Toc> <2. Initial Settings> I Instrument Input Range Codes Select the unit from the UNIT parameter. Instrument Input Instrument Input Type Measurement Accuracy Range Code Input Range Set the data item PV Input Type "IN" to the OFF option to leave the PV input Unspecified type undefined.

  • Page 30: Changing Pv Input Type

    <Toc> <2. Initial Settings> Changing PV Input Type The following operating procedure describes an example of changing the K-type thermo- couple (-199.9 C to 500.0 C) to a Pt100 resistance temerature detector (-199.9 C to 500.0 C) and setting the measurement range of 0.0 C to 200.0 C. PV input terminal Thermocouple/mV/V input......
  • Page 31 <Toc> <2. Initial Settings> Press the key once to register the Press the key once to display the SET/ENT SET/ENT setpoint. parameter “RL” (minimum value of PV input range). Displays parameter “RL”. A / M SET/ENT A / M SET/ENT Press the SET/ENT key once to display the...

  • Page 32: Setting Control Output Type

    <Toc> <2. Initial Settings> Setting Control Output Type The following operating procedure describes an example of changing time proportional PID relay output (0: factory-set default) to current output (2). Control output terminal Values in parentheses are setpoints Time proportional PID relay (0)/on-off(3) output......Current (2)/time proportional PID voltage pulse (1) output.....

  • Page 33: Changing Alarm Type

    <Toc> <2. Initial Settings> Press the key once to register the Press the key for more than 3 sec- SET/ENT SET/ENT setpoint. onds. This returns you to the display shown at power-on (figure below). Displays PV. Displays A / M target setpoint.
  • Page 34 2-10 <Toc> <2. Initial Settings> Press the key once to display the Press the key once to register the SET/ENT SET/ENT menu “FUNC”. setpoint. You can take the same steps for alarm-2 type (AL2), and alarm-3 type (AL3) that are Displays displayed after this.
  • Page 35 2-11 <Toc> <2. Initial Settings> I List of Alarm Types The table below shows the alarm types and alarm actions. In the table, codes 1 to 10, 33 to 38 are not provided with stand-by actions, while codes 11 to 20, 43 to 48 are provided with stand-by actions. Alarm type code Alarm type code Alarm action...
  • Page 36 2-12 <Toc> <2. Initial Settings> Note 1: The fault diagnosis output turns on in case of input burnout, A/D converter failure, or reference junction compensation (RJC) failure. The control output in case of input burnout or A/D converter failure is set to the value of the PO (Preset Output Value) setup parameter.

  • Page 37: Setting The Pv Display Color Changing Function "Active Color Pv Display

    2-13 <Toc> <2. Initial Settings> Setting the PV Display Color Changing Function “Active Color PV Display” The following operating procedure describes an example of changing the PV color mode (factory-set default : Fixed in red mode) to Link to alarm 1 mode. Bring the operating display into view (appears at Press the key several times to display the...

  • Page 38: Setting The High Limit And Low Limit For Pv Color Change

    2-14 <Toc> <2. Initial Settings> Setting the High Limit and Low limit for PV Color Change The following operating procedure describes an example of changing PV display color by PV limit(s). Set the High limit and / or Low limit for PV color change. Press the key or key to display the...

  • Page 39: Operations

    <Toc> <3. Operations> Operations This chapter describes key entries for operating the controller. For operations using external contact inputs, see “1.5 Terminal Wiring Diagrams.” If you cannot remem- ber how to carry out an operation during setting, press the key for more than 3 SET/ENT seconds.
  • Page 40 <Toc> <3. Operations> I Operating Displays for a Heating/Cooling Controller G SP Display The PV input value appears on the PV display. The target setpoint (1.SP) appears on the Setpoint display. G Heating/Cooling OUT Display The PV input value appears on the PV display. The heating (H) and cooling (C) sides control output values appears on the Setpoint dis- play.

  • Page 41: Setting Target Setpoint (Sp)

    <Toc> <3. Operations> Setting Target Setpoint (SP) The following operating procedure describes an example of setting 120.0 to a target setpoint. In automatic operation, the controller starts control using set target setpoints. NOTE When the target setpoint is set through communication, the target setpoint cannot be changed by keystroke.

  • Page 42: Performing/Canceling Auto-Tuning

    <Toc> <3. Operations> Performing/Canceling Auto-tuning Auto-tuning should be carried out after setting a target setpoint (SP). Make sure the control- ler is in automatic operation mode (AUTO) and running state (RUN) before carrying out auto-tuning. See “ 3.8 Switching between AUTO and MAN,” to change to AUTO and “ 3.7 Switching between Run and Stop,”...

  • Page 43: Setting Pid Manually

    <Toc> <3. Operations> Press the key once to register the During auto-tuning, the panel indications SET/ENT setpoint. (This starts auto-tuning.) become as shown below. If the key is pressed when AT = OFF, SET/ENT auto-tuning will be cancelled. In this case, PID contains the value existing before auto-tuning.

  • Page 44: Setting Alarm Setpoints

    <Toc> <3. Operations> [TIP] Press the key to display the The PID parameter numbers set in step 4 required setpoint. should be set as follows: In case of PID for 1.SP, PID = 1Gr In case of PID for 2.SP, PID = 2Gr In case of PID for 3.SP, PID = 3Gr In case of PID for 4.SP, PID = 4Gr Blinks during...

  • Page 45: Selecting Target Setpoint Numbers (Sp.no)

    <Toc> <3. Operations> Press the key twice to display the Press the key once to register the SET/ENT SET/ENT parameter “A1”. setpoint. Displays parameter “A1”. A / M A / M SET/ENT SET/ENT Also configure the Alarm-2 Setpoint (A2) and Alarm-3 Setpoint (A3) parameters that Press the key to display the follow this step.

  • Page 46: Switching Between Run And Stop

    <Toc> <3. Operations> Press the key several times to Press the key once to register the SET/ENT SET/ENT display the parameter “SP.NO”. setpoint. Displays parameter “SP.NO”. A / M A / M SET/ENT SET/ENT Press the SET/ENT key for more than 3 sec- Press the key to display the onds.

  • Page 47: Switching Between Auto And Man

    <Toc> <3. Operations> Switching between AUTO and MAN NOTE If AUTO and MAN have been switched using contact input, when the contact input is ON, switching between AUTO and MAN cannot be achieved by keystroke. Bring the operating display into view (display appears at power on). Displays PV.

  • Page 48: Manipulating Control Output In Manual Operation

    3-10 <Toc> <3. Operations> Manipulating Control Output in Manual Operation NOTE Control output cannot be changed if the controller is stopped. In this case, the preset output value (setup parameter PO) will be output. A control output value is linked with a display value changed using the key.
  • Page 49 3-11 <Toc> <3. Operations> G Controller Behavior and Control Output Manipulation when the Dead Band is Positive The following is an example when the DB parameter is set at 12.4%. If you hold down the key with the heating-side output under manipulation (i.e., cooling- side output C = 0.0%), the heating-side output (H =) decreases.
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  • Page 51: Troubleshooting And Maintenance

    <Toc> <4. Troubleshooting and Maintenance> Troubleshooting and Maintenance Troubleshooting I Troubleshooting Flow If the operating display does not appear after turning on the controller’s power, follow the measures in the procedure below. If a problem appears complicated, contact our sales representative. Is the instrument defective? Is key...
  • Page 52 <Toc> <4. Troubleshooting and Maintenance> I Errors at Power on The following table shows errors that may be detected by the fault diagnosis function when the power is turned on. Error indication Description Control Alarm Retransmission Communi- Remedy (on PV display unit) of error output output...
  • Page 53 <Toc> <4. Troubleshooting and Maintenance> G Power Failures of 20 ms or longer • The alarm function of the controller continues to work normally. (Alarms with the stand-by feature temporarily return to their stand-by state, however.) • Setting parameters that have already been configured retain their settings. •...

  • Page 54: Maintenance

    <Toc> <4. Troubleshooting and Maintenance> Maintenance This section describes the cleaning and maintenance of the UT351. 4.2.1 Cleaning The front panel and operation keys should be gently wiped with a dry cloth. NOTE Do not use alcohol, benzine, or any other solvents. 4.2.2 Replacing Brackets When the brackets are broken or lost, purchase the following brackets for replacement.

  • Page 55: Replacing Control Output Relays

    This subsection describes how to replace the control output relays. Since inspection is needed in case of parts replacement, the replacement work should be carried out by a YOKOGAWA engineer or an engineer certified by YOKOGAWA. When replacement is required, contact your nearest YOKOGAWA dealer.
  • Page 56 <Toc> <4. Troubleshooting and Maintenance> Hold the bezel and pull it along with the internal unit out of the housing. (Note) Be careful not to damage the RJC sensor. The location and number of the relays differ depending on the model code of the UT351. Confirm the location of the control output relay to be replaced before pulling out the relay.
  • Page 57 <Toc> <4. Troubleshooting and Maintenance> Insert the internal unit into the housing. Apply power to the controller and confirm that the initial operating display is shown. If the operating display is not shown properly, turn off the controller and pull out the internal unit.
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  • Page 59: Parameters

    <Toc> <5. Parameters> Parameters This chapter contains a parameter map as a guideline for setting parameters, and lists of parameters for recording User Settings. Parameter Map www.DataSheet4U.com IM 05D01D13-41E 4th Edition : May 31, 2006-00...
  • Page 60 <Toc> <5. Parameters> UT351 Parameter Map Operating Display SP display OUT display SET3S SET3S SET3S Menu OP.PA www.DataSheet4U.com To switch the parameter display, press the SET/ENT key. Not displayed when OT parameter set to 4 to 6. Displayed in automatic Pressing the Pressing the Pressing the...
  • Page 61 <Toc> <5. Parameters> SET/ENT Press the key once. SET/ENT SET3S Press the key for 3 seconds. Press the key once. STUP Password input Password (No password is required check display when PWD = 0.) www.DataSheet4U.com Setup Parameter Setting Display Control function Input/Output related related...

  • Page 62: Lists Of Parameters

    <Toc> <5. Parameters> Lists of Parameters * Parameters relating to PV or setpoints should all be set in real numbers. For example, use temperature values to define target setpoints and alarm setpoints for temperature input. * The “User Setting” column in the table is provided for the customer to record setpoints. * The column “Target Item in CD-ROM”...
  • Page 63 <Toc> <5. Parameters> Parameter Target Item Name of Parameter Setting Range and Description Initial Value User Setting Symbol in CD-ROM PV input filter OFF (0), 1 to 120 second. OFF (0) Used when the PV input fluctuates. (FL) Ref.1.1(1) PV input bias -100.0% to 100.0% of PV input 0.0% of PV input range range span...
  • Page 64 <Toc> <5. Parameters> G PID-related Parameters The following parameters are displayed when “1Gr” is set to PID parameter display number (PID). In this case, the corresponding target setpoint is 1.SP (target setpoint-1). To set PID corresponding to target setpoint 2 to 4, set “2Gr”, “3Gr”, or “4Gr” to PID. The relevant parameters will then be displayed.
  • Page 65 <Toc> <5. Parameters> I Auto-tuning Auto-tuning is a function with which the controller automatically measures the process characteristics to automatically set the optimum PID constants. This function does not work when the controller is performing on-off control. The UT351-xA employ the “Limit Cycle Method.”...
  • Page 66 <Toc> <5. Parameters> I Hysteresis (for Target Setpoints (On-Off Control) and Alarm Setpoints) Hysteresis can be set in on-off control setpoints and alarm setpoints as well. With the hysteresis settings, it is possible to prevent relays from chattering. • When hysteresis is set in a target setpoint Point of on-off action Output (Target setpoint)
  • Page 67 <Toc> <5. Parameters> The figure below shows an example when the Target Setpoint Number (SP.NO) parameter is switched. The 1.SP and 2.SP parameters are set to 500°C and 640°C, respectively. Thus, there is a temperature difference of 140°C between the 1.SP and 2.SP parameters. This example shows how the temperature is changed by as much as this temperature difference over a period of two minutes.
  • Page 68 5-10 <Toc> <5. Parameters> I Setup Parameters G Control Function-related Parameters Parameter Target Item Name of Parameter Setting Range and Description Initial Value User Setting Symbol in CD-ROM Target setpoint limiter 0.0 to 100.0% of PV input range where, SPL < SPH 100.0% of upper limit Places a limit on the range within which the target...
  • Page 69 5-11 <Toc> <5. Parameters> Parameter Target Item Name of Parameter Setting Range and Description Initial Value User Setting Symbol in CD-ROM PID control mode 0: Standard PID control (with output bump at SP change) 1: Fixed Point control (without output bump at SP change) Ref.2.1(2) Choose “Fixed Point Control”...
  • Page 70 5-12 <Toc> <5. Parameters> G Input-/Output-related Parameters Parameter Target Item Name of Parameter Setting Range and Description Initial Value User Setting Symbol in CD-ROM PV input type (PV INPUT OFF (0), 1 to 18, 30, 31, 35 to 37, 40, 41, 50, 51, 55, 56 OFF (0) terminals) See “Instrument Input Range Codes”...
  • Page 71 5-13 <Toc> <5. Parameters> Parameter Target Item Name of Parameter Setting Range and Description Initial Value User Setting Symbol in CD-ROM Retransmission output 1: PV, 2: SP, 3: OUT, 4: Loop power supply for sensor (15 V) type In heating/cooling control, an output value before allocation to heating and cooling control (0 to 100%) is transmitted if setpoint “3”...
  • Page 72 5-14 <Toc> <5. Parameters> I Functions of Active Color PV Display This part describes the functions of “Active Color PV Display.” PV display color is changed by the following four actions. PV display is selectable from red-to-green or green-to-red changing action, or fixed color. Link to alarm 1 mode (when PCMD = 2, 3) (Setting example-1) Link to alarm 1 and 2 mode (when PCMD = 4, 5) is the same.
  • Page 73 5-15 <Toc> <5. Parameters> Setting Example-3 : Link to PV Set the high limit “70°C” for PCCH, and the low limit “20°C” for PCCL. PV display color is changed from green to red when PV input value is out of the range. The red-to-green changing action is selectable.
  • Page 74 5-16 <Toc> <5. Parameters> I External RJC The external RJC is not a compensation function built in a controller but a compensation function working outside the controller. The external RJC is used when the input is thermocouple, and RJC=OFF. Using external RJC makes the accuracy of RJC higher and shortens the compensating wire..
  • Page 75 5-17 <Toc> <5. Parameters> I Useful Operating Displays (SELECT Display) Registering frequently changed parameters in the SELECT display after ordinary operating displays will allow you to change settings easily. A maximum of four displays can be regis- tered. Useful operating display (SELECT display) Ordinary operating displays (example) S E T / E N T...
  • Page 76 5-18 <Toc> <5. Parameters> I Heating/Cooling Control (for a Heating/Cooling Controller Only) In heating/cooling control, the controller outputs the result of computation after splitting it into heating-purpose and cooling-purpose signals. In addition, the controller can perform PID control or on-off control on the heating and cooling sides separately. When performing on-off control, set the proportional band to “0”.
  • Page 77 5-19 <Toc> <5. Parameters> I Cycle Time A cycle time can only be set if the type of control output is time proportional PID relay output or time proportional voltage pulse output. A cycle time refers to one period consisting of on-and off-state time lengths. The ratio of the on-state time to the off-state time differs according to the value of the control output.
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  • Page 79: Function Block Diagram And Descriptions

    <Toc> <6. Function Block Diagram and Descriptions> Function Block Diagram and Descriptions This chapter contains the function block diagrams for “Standard type,” and “Heat- ing/cooling type.” For details on these function block diagrams, refer to the descrip- tions mentioned later. www.DataSheet4U.com IM 05D01D13-41E 4th Edition : May 31, 2006-00...
  • Page 80 <Toc> <6. Function Block Diagram and Descriptions> I Function Block Diagram for Standard Type PV input terminals Communication port Contact input PV INPUT Ethernet Input selection Unit selection Input range conversion Input bias Input filter SP.NO Target setpoints 1 to 4 REMOTE LOCAL SP.NO=0...
  • Page 81 <Toc> <6. Function Block Diagram and Descriptions> I Function Block Diagram for Heating/Cooling Type PV input terminals Communication port Contact input PV INPUT Ethernet Input selection Unit selection Input range conversion Input bias Input filter SP.NO Target setpoints 1 to 4 REMOTE LOCAL SP.NO=0...
  • Page 82 <Toc> <6. Function Block Diagram and Descriptions> Functions and Parameters for “Standard Type” in Initial State (Factory-set default) Functions and parameters in initial state are given in the tables below. For details on each parameter, refer to “5.2 Lists of Parameters.” I PV Input PV input (INPUT) is a universal input, which can receive signals from thermocouple, RTD, or DC voltage signals.
  • Page 83 <Toc> <6. Function Block Diagram and Descriptions> I Contact Input Changing the setpoint of the parameter DIS (DI function selection) allows you to change the function of contact input. G When DIS=OFF No function for contact input. G When DIS=1 (factory-set default) Target setpoint 2 (ON)/Target setpoint 1 (OFF) switching function is assigned to DI1 (con- tact input 1).
  • Page 84 <Toc> <6. Function Block Diagram and Descriptions> I Target Setpoint and PID It is possible to use a maximum of four groups of target setpoints and PID parameters. The target setpoint can be selected by key operation or contact input. For selection by contact input, refer to “Contact Input.”...
  • Page 85 <Toc> <6. Function Block Diagram and Descriptions> I Control Output Control output (OUTPUT1) selects the output type among the current output, voltage pulse output, and relay contact output signal. Preset output value is output when the operation is stopped by key operation or contact input, which takes priority over the manual operation.
  • Page 86 <Toc> <6. Function Block Diagram and Descriptions> I Retransmission Output PV, target setpoint, or control output can be output to retransmission output (OUTPUT2/ RET). Each function can be set by the following parameters. Setup Parameters Function Parameter Menu Retransmission output type Retransmission output scale RTH, RTL I 15 V DC Loop Power Supply...

  • Page 87: Revision Information

    Mar. 2005/3rd Edition Addition of alarm function. May 2006/4th Edition Addition of explanation for the parameter indication www.DataSheet4U.com Written by Yokogawa Electric Corporation Published by Yokogawa Electric Corporation 2-9-32 Nakacho, Musashino-shi, Tokyo 180-8750, JAPAN IM 05D01D13-41E 4th Edition : May 31, 2006-00...
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  • Page 90 Sales Branch Offices / Houten (The Netherlands), Wien (Austria), Zaventem (Belgium), Ratingen (Germany), Madrid (Spain), Bratislava (Slovakia), Runcorn (United Kingdom), Milano (Italy), Velizy villacoublay(France), Johannesburg(Republic of South Africa) YOKOGAWA AMERICA DO SUL S.A. Headquarters & Plant Praca Acapulco, 31-Santo Amaro, Sao Paulo/SP, BRAZIL CEP-04675-190 Phone: +55-11-5681-2400 Facsimile: +55-11-5681-4434 YOKOGAWA ENGINEERING ASIA PTE.

This manual is also suitable for:

Ut351-a seriesUt351-0aUt351-2a

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