Presys DMY-2030-TOT Light Technical Manual
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Presys DMY-2030-TOT Light Technical Manual

Process indicator and totalizer
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PRESYS
Instruments Inc.
Light
DMY-2030-TOT
Process Indicator and Totalizer
PRESYS
Light
DMY-2030-TOT
LD1
LD2
TECHNICAL MANUAL

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Summary of Contents for Presys DMY-2030-TOT Light

  • Page 1 PRESYS Instruments Inc. Light DMY-2030-TOT Process Indicator and Totalizer PRESYS Light DMY-2030-TOT TECHNICAL MANUAL...
  • Page 2 Presys Instruments Declaration of Conformity Presys unit DMY-2030-TOT Light has been designed to comply with the following European Standards: EN 50081-1: 1992 Electromagnetic Compatibility - Generic emission standard. EN 50081-2: 1994 EN 50082-1: 1992 Electromagnetic Compatibility - Generic immunity standard.

  • Page 3: Table Of Contents

    PRESYS  Instruments DMY-2030-TOT Light TABLE OF CONTENTS 1.0 - Introduction ......................1 1.1 - Description ......................1 1.2 - Order Code ......................2 1.3 - Technical Specifications ..................3 2.0 - Installation ......................6 2.1 - Mechanical Installation ..................6 2.2 - Electrical Installation .....................

  • Page 4: Introduction

    The outputs are isolated from the input. It accepts 90 to 240VAC or 130 to 340VDC (with any polarity) power supply. Fig. 1 - DMY-2030-TOT Light Indicator and Totalizer Front Panel The equipment has an extruded aluminum case which avoids electrical noise, electromagnetic interference, radiofrequency interference, etc.

  • Page 5: Order Code

    PRESYS  Instruments DMY-2030-TOT Light The front panel has a high visibility display configurable up to 8 digits which can show the process variable, using 4 ½ digits, and the totalization. During configuration, the display shows mnemonics and parameter values. The leds and the display can be used as a visual indication of alarm or they can be associated to the alarm outputs.

  • Page 6: Technical Specifications

    1) DMY - 2030 - TOT Light - 0 - 0 - 1 - 1 - 1 - 0 - 0 This code defines a DMY-2030-TOT Light Indicator and Totalizer with two SPDT relays which can be used as high and low alarms, 90 to 240VAC or 130 to 340VDC electric power supply, protected field usage.
  • Page 7 PRESYS  Instruments DMY-2030-TOT Light Outputs:  4 to 20 mA, 1 to 5 Vdc, 0 to 10 Vdc Analog Retransmitter, with connection of one optional module galvanically isolated of 300Vac from power supply and input.  SPDT relay for alarm rated for 3A at 220Vac, or 10A at 220Vac under order. In this case alarm module is not connected, but soldered to the board.
  • Page 8 PRESYS  Instruments DMY-2030-TOT Light Dimensions: 1/8 DIN (48 X 96 mm) with 162 mm depth, panel cutout of 45 X 92 mm. Weight: 0.5 kg approx. Warranty: One-year warranty. Introduction Page 5...

  • Page 9: Installation

    DMY-2030-TOT Light 2.0 - Installation 2.1 - Mechanical Installation DMY-2030-TOT Light Indicator and Totalizer front panel has 1/8 DIN size (48 X 96 mm). It is fixed by the rails which press it against the back side of the panel.

  • Page 10: Process Input Signal Connection

    PRESYS  Instruments DMY-2030-TOT Light Figure 3 shows the instrument rear terminals for connection of power supply, ground, communication, process input and output signals. Signal wiring must be kept far away from power wires. Due to its metal case the instrument ground should be connected to earth ground.

  • Page 11: Milliampere Input

    PRESYS  Instruments DMY-2030-TOT Light 2.3.1 - Milliampere Input A current source of 4 to 20 mA is applied to terminals 1(+) and 3(-). The current signal can be generated by a transmitter with an external power supply. In case of using the 24 VDC internal voltage source from the Indicator to power a two- wire transmitter, the current is received only by terminal 1(+).

  • Page 12: Volt Or Millivolt Input

    PRESYS  Instruments DMY-2030-TOT Light 2.3.2 - Volt or Millivolt Input 0 to 55 mVDC or to 0 to 5 VDC must be applied to terminals 2 (+) and 3 (-). 0 to 10 VDC must be applied to terminals 1(+) and 3(-). The connections are shown in figure 5.
  • Page 13 PRESYS  Instruments DMY-2030-TOT Light For outputs 2, 3 and 4, there are three different types of outputs: SPST (output 2) or SPDT (outputs 3 and 4) relay, open collector voltage and solid state relay. Figure 6 shows the Indicator output types.

  • Page 14: Connection Diagram

    PRESYS  Instruments DMY-2030-TOT Light 2.5 - Connection Diagram Installation Page 11...

  • Page 15: Communication

    PRESYS  Instruments DMY-2030-TOT Light 2.6 - Communication DMY-2030-TOT Light Indicator and Totalizer communicates with computers through RS-232 or RS-422/485 using MODBUS protocol communication software, when the optional communication module is installed and the communication parameters are configured. Specific information on communication and signal connection is described in the communication manual.

  • Page 16: Operation

    DMY-2030-TOT Light 3.0 - Operation 3.1 - Normal Operation DMY-2030-TOT Light Indicator and Totalizer has two modes of operation: normal operation and configuration mode. During normal operation, the Indicator monitors the input and shows the totalization, verifies alarm conditions and activates the four outputs if necessary.

  • Page 17: Configuration

    PRESYS  Instruments DMY-2030-TOT Light Fig.7 - Options of the operation level with configurable presentation 3.2 - Configuration In order to access configuration mode the operator is required to provide a password which avoids a non-authorized person to change any critical parameters of the process.
  • Page 18 PRESYS  Instruments DMY-2030-TOT Light For a value password, the user must press the ENTER key for a second time in order to view the number 00000 with the right end digit blinking. The position which is blinking indicates the digit in the number to be changed by the user with the UP and DOWN keys.
  • Page 19 PRESYS  Instruments DMY-2030-TOT Light Fig. 9 - Parameter levels diagram Level 1 - General Level 1 presents the options: TAG, SOFT, PASS, INDC and OPER (see figure 10). TAG - consists in an numeric identification for the instrument. The procedure...
  • Page 20 PRESYS  Instruments DMY-2030-TOT Light Fig. 10 - GENERAL level options The table below refers to the ranges of the parameters shown in figure 10. Factory Mnemonic Parameter Range Units Value instrument ____________ 0 to 30000 2030 identification _______________ ____________...
  • Page 21 PRESYS  Instruments DMY-2030-TOT Light Level 2 - Input The INPUT Level allows to choose the sensor type for the input (channel 1). The sensor type options are 0 to 5V, 0 to 10V, 0 to 55mV and 0 to 20mA, as illustrated in figure 11.
  • Page 22 PRESYS  Instruments DMY-2030-TOT Light The table below refers to the ranges of the parameters shown in figure 11. Factory Mnemonic Parameter Range Units Value input signal associated LIM LOW 0.0 to 100.0 to Eng Low input signal associated LIM HIGH 0.0 to 100.0...
  • Page 23 PRESYS  Instruments DMY-2030-TOT Light SQRT - allows presenting on the display the squared root of the linear input signal. The Cut-Off parameter given in % of the input signal makes input values below (Lim Low + Cut Off) be shown as Lim Low. See figure 13.
  • Page 24 PRESYS  Instruments DMY-2030-TOT Light Once the alarm configuration is established (CONF option), it is possible to view or change only the values of alarm setpoints. Press the UP key while CONF option is shown, in order to have a quick access to the setpoints of all alarms already configured.
  • Page 25 PRESYS  Instruments DMY-2030-TOT Light Fig. 15 - ALARM level options Operation Page 22...
  • Page 26 PRESYS  Instruments DMY-2030-TOT Light The table below refers to the ranges of the parameters shown in figure 15. Mnemonic Parameter Range Factory Value Units 25.0 - low alarm alarm setpoint -1009 to 20019 75.0 - high alarm HYST alarm hysteresis...
  • Page 27 PRESYS  Instruments DMY-2030-TOT Light The analog output is enabled only after selecting the range of output retransmission from the RANGE mnemonic. RANGE - selects the range of retransmission output as 20mA, 5V or 10V. The relation between the engineering unit and electric signal generated in the terminals is defined in the same way as shown for linear process scale configuration.
  • Page 28 PRESYS  Instruments DMY-2030-TOT Light Fig. 18 - TOTALIZATION level options The table below refers to the ranges of the parameters shown in figure 18. Factory Mnemonic Parameter Range Unit Value Counts added to the totalization after an 0 to...
  • Page 29 PRESYS  Instruments DMY-2030-TOT Light The integration function is described by:  CONT E(t) ENGLOW  TOTAL(t) =  TIME ENGHIGH ENGLOW Notice that any signal under the input zero scale (low limit of the range or Low) is not integrated, that is, the totalization does not decrease.

  • Page 30: Maintenance

    PRESYS  Instruments DMY-2030-TOT Light 4.0 - Maintenance 4.1 - Indicator Hardware The Indicator maintenance requires the user to have access to the hardware of the instrument. The Indicator hardware consists of three main boards: Display Board, CPU Board and Power Supply Board. The three-board-system is fixed to the aluminum case by a screw on the right side of the front-panel.

  • Page 31: Hardware Configuration

    PRESYS  Instruments DMY-2030-TOT Light 4.2 - Hardware Configuration The software configuration level of input (level 2 - Input) must be complemented by hardware configuration, through internal jumpers. There are four places for installation of jumpers: J5, J6, J7 and J8. They are placed in the CPU Board as shown in figure 20.

  • Page 32: Snubber Use For Relay

    PRESYS  Instruments DMY-2030-TOT Light Fig. 21 - Jumpers not used for 0 to 10V input placed in the board conector 4.3 - Snubber use for relay Relay modules are provided with circuits for eliminating electrical arch (RC snubber). The snubbers are put in parallel with the relay contacts, by placing the jumpers J1 and J2 localized on the back of the relay board.

  • Page 33: Option Module Connection

    DMY-2030-TOT Light 4.4 - Option Module Connection DMY-2030-TOT Light Indicator and Totalizer accepts up to four output devices and communication, which must have the corresponding optional modules installed in the instrument. Open the Indicator as shown in section 4.1 in order to access four connectors in the Power Supply Board and one connector in the CPU board.
  • Page 34 PRESYS  Instruments DMY-2030-TOT Light Fig. 24 - Installation of optional modules Output 1 as retransmitter output (optional module code: MSAN-20) When it is required output 1 to be a retransmitter output (4 to 20mA, 1 to 5V or 0 to 10V), connect the optional analog output module in the connector called MOD 1.
  • Page 35 PRESYS  Instruments DMY-2030-TOT Light state relay and the open collector voltage. The alarm output type and the optional module code are listed in table 4. Maintenance Page 32...
  • Page 36 PRESYS  Instruments DMY-2030-TOT Light Alarm Output Type Optional Module Code SPST Relay MALRE - 20 Solid state relay MALRS - 20 Open collector voltage MSD - 20 Table 4 - Types of alarm output for outputs 1 and 2...

  • Page 37: Calibration

    PRESYS  Instruments DMY-2030-TOT Light 4.5 - Calibration DMY-2030 Light Indicator and Totalizer is accurately calibrated in factory and does not need periodic calibration in normal conditions. When calibration is required, follow this procedure below. Disconnect the process signals of I/O terminals.
  • Page 38 PRESYS  Instruments DMY-2030-TOT Light Figure 26 shows input and output calibration options in level 6 of Calibration. Fig. 26 - CALIBRATION level options Calibration of voltage input (0 to 55mV) In a 0 to 55mV voltage input calibration connect a voltage source to terminals 2(+) and 3(-).
  • Page 39 PRESYS  Instruments DMY-2030-TOT Light Table 6 - References for 0 to 55V input calibration Maintenance Page 36...
  • Page 40 PRESYS  Instruments DMY-2030-TOT Light Calibration of voltage input (0 to 5V) In a 0 to 5V voltage input calibration connect a voltage voltage source to terminals 2(+) and 3(-). It is required 6 voltage references listed in table 7.
  • Page 41 PRESYS  Instruments DMY-2030-TOT Light Output Calibration For the output calibration, follow this procedure for retransmitter output 1. The retransmitter output can be calibrated by using the Indicator input. The hardware configuration for the input must be the same chosen for the output (0 to 5V, 0 to 10V or 0 to 20mA) since the Indicator will measure the output signal.

  • Page 42: Hardware Maintenance Instructions

    PRESYS  Instruments DMY-2030-TOT Light 4.6 - Hardware maintenance instructions Before sending the instrument back to factory check the following probable causes of a malfunctioning Indicator. Instrument with error indication on display After turning the instrument on, it tests RAM and E2PROM integrity.
  • Page 43 PRESYS  Instruments DMY-2030-TOT Light Test points on flat cable 1 Voltage Between point 1(-) and point 2(+) Between point 9(-) and point 8(+) Between point 9(-) and point 1(+) Between point 9(-) and point 10(+) - 8V Between point 9(-) and point 13(+)

  • Page 44: List Of Components

    PRESYS  Instruments DMY-2030-TOT Light 4.7 - List of components Display Board Code Components Reference 01.05.0077-20 Display Board - DMY-2030-TOT Light --------------------- 01.07.0002-21 Display 14mm DP1,2,3,4,5,6,7,8 01.04.0001-21 Diode 1N4002 D1,2 01.07.0005-21 Led 3mm (red) 01.07.0004-21 Led 3mm (green) 01.09.0013-21 Transistor BC 327 Q1,2,3,4,5,6,7,8 01.02.0074-21...
  • Page 45 PRESYS  Instruments DMY-2030-TOT Light 01.02.0183-21 Resistor 2K32 1% 01.02.0108-21 Resistor 15K4 R 19 01.06.0003-21 Transformador p/ Fonte 110/220Vca 01.06.0018-21 Bobina para Fonte 01.13.0004-21 Conector CN 1,2,3,4,5,6,7,8 CPU Board Code Components Reference 01.05.0080-20 CPU Board ----------------------- 01.01.0007-21 LM 311 01.01.0016-21 EPROM 27C512 01.01.0017-21...
  • Page 46 PRESYS  Instruments DMY-2030-TOT Light 01.13.0043-21 DIP socket 01.13.0005-21 Connector CN1,2 01.14.0026-21 Flat Cable 15 Circuits 01.14.0025-21 Flat Cable 13 Circuits 01.14.0011-21 Flat Cable 12 Circuits I/O Terminal Board Code Components Reference 01.05.0049-20 I/O Terminal Board --------------------- 01.09.0015-21 BC 337 01.13.0002-21...

  • Page 47: List Of Recommended Spare Components

    PRESYS  Instruments DMY-2030-TOT Light 4.8 - List of recommended spare components List of recommended spare components Display Board Display DP1, 2, 3, 4, 5, 6, 7, 8 Power Supply Board IRF 822 UC 3842 Fuse 2A LM 1458N I/O Terminal Board...
  • Page 48 www.presyscorp.com...

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