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PRESYS

   |   

Instruments 

DMY-2011, DMY-2035 and DMY-2036

 

Maintenance 

Page 39 

 

Calibration of voltage input (0 to 55mV) 

 

 

In a 0 to 55mV voltage input calibration connect a voltage source to the 

channel to be calibrated (terminals 2(+) and 3(-) for channel 1 or 5(+) and 6(-) for 
channel 2). It is required 6 voltage references listed in table 6. 

 

Reference Mnemonic 

 

0.000 mV 

C. 0nV 

10.000 mV 

C.10nV 

20.000 mV 

C.20nV 

30.000 mV 

C.30nV 

40.000 mV 

C.40nV 

50.000 mV 

C.50nV 

 

Table 6 - References for 0 to 55V input calibration 

 

Calibration of voltage input (0 to 5V) 

 

 

In a 0 to 5V voltage input calibration connect a voltage voltage source to the 

channel to be calibrated (terminals 2(+) and 3(-) for channel 1 or 5(+) and 6(-) for 
channel 2). It is required 6 voltage references listed in table 7. 

 

Reference Mnemonic 

 

0.0000V C. 

0V 

1.0000V C. 

1V 

2.0000V C. 

2V 

3.0000V C. 

3V 

4.0000V C. 

4V 

5.0000V C. 

5V 

 

Table 7 - References for 0 to 5V input calibration 

 

Calibration of voltage input (0 to 10V) 

 

 

In a 0 to 10V voltage input calibration connect a voltage source to the channel 

to be calibrated (terminals 1(+) and 3(-) for channel 1 or 4(+) and 6(-) for channel 2). 
It is required 6 voltage references listed in table 8. 

 

Reference Mnemonic 

 

0.0000V C. 

0V 

2.0000V C. 

2V 

4.0000V C. 

4V 

6.0000V C. 

6V 

8.0000V C. 

8V 

10.0000V C.10V 

 

Table 8 - References for 0 to 10V input calibration 

presys

Summary of Contents for DMY-2011

Page 1: ...DMY 2011 2035 2036 Universal Process Indicators PRESYS LD1 LD2 DMY 2035 ACK LD1 LD2 DMY 2036 PRESYS LD1 LD2 PRESYS DMY 2011 A C K A C K A C K A C K PRESYS TECHNICAL MANUAL Instruments p r e s y s ...

Page 2: ... RTD Input 11 2 3 3 Milliampere Input 12 2 3 4 Volt or Millivolt Input 13 2 4 Output Signal Connections 14 2 5 Connection Diagram 16 2 6 Communication 18 2 7 Engineering Units 18 3 Operation 19 3 1 Normal Operation 19 3 2 Configuration 19 4 Maintenance 31 4 1 Indicator Hardware 31 4 2 Hardware Configuration 32 4 3 Snubber Use for Relay 33 4 4 Optional Module Connection 34 4 5 Calibration 37 4 6 Ha...

Page 3: ...utomatically by tables stored in EPROM memory A 24Vdc voltage source isolated from output and with short circuit protection is provided for transmitter power supply The type of input selected by the user is enabled by jumpers and by the software configuration All configuration data can be protected by a password system and are stored in the non volatile memory in case of power failure According to...

Page 4: ...meter values The leds and the display can be used as a visual indication of alarm or they can be associated with the alarm outputs So there are up to seven alarm indications available four alarm modules together with the display and leds The alarm outputs can be configured independently to operate with latch demanding the operator acknowledgement by means of the front panel keys in order to deacti...

Page 5: ...id state relay Field B Output 2 Same code of Output 1 Field C Output 3 0 Not used 1 SPDT relay 2 Open collector voltage 3 Solid state relay Field D Output 4 Same code of Output 3 Field E Power supply 1 90 to 240VAC or 130 to 340VDC any polarity 2 24VDC 3 12VDC Field F Communication 0 Not used 1 RS 232 2 RS 485 3 RS 422 Field G Case Protection Grade 0 General usage protected place 1 Front aspersion...

Page 6: ... the front panel keys if wanted specify such information so that all the configuration can be made by PRESYS Note 2 Other hardware and software features can be available under previous consult Code example 1 DMY 2011 0 0 1 1 1 0 0 This code defines a DMY 2011 Indicator 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 ...

Page 7: ... wire Pt 100 346 0 1256 0 210 0 680 0 Linear Range Resolution Voltage 0 to 55mV 6µV 0 to 5V 500µV 0 to 10V 1mV Current 0 to 20mA 2µA including wire resistance Table 1 Measuring ranges for input sensors Outputs 4 to 20 mA 1 to 5 Vdc 0 to 10 Vdc Analog Retransmitter with connection for up to two optional modules galvanically isolated of 300Vac from power supply and inputs SPDT relay for alarm rated ...

Page 8: ...C Square root extraction 0 5 of reading for input above 10 of span 0 to 5 of programmable Cut off Cold junction compensation 2 0 C in the range from 0 to 50 C ambient temperature Thermal stability 0 005 C of span referred to ambient temperature of 25 C Power supply 90 to 240VAC or 130 to 340VDC any polarity 10W nominal 24VDC 12VDC and other values are optional 2 wire transmitter power supply 24VDC...

Page 9: ...by the rails which press them against the back side of the panel After preparing a 45 92 mm cut in the panel for DMY 2035 2036 or a 92 92 mm cut for DMY 2011 remove the rails from the Indicator and slide its rear through the cut until its front reaches the panel Place the rails again in the Indicator from the back of the panel and tighten the screws as shown in figures 3 and 4 Figure 3 Dimensional...

Page 10: ...0VAC or 130 to 340VDC any polarity Remember that the internal circuit is powered whenever the instrument is connected to the mains Input and output signals must be connected to the instrument only when it is turned off Figure 5 shows the instrument rear terminals for connection to power supply ground communication process input and output signals Signal wiring must be kept far away from power wire...

Page 11: ...See the different types and ranges of input sensors in table 1 section 1 3 on Technical Specifications The input sensor is enabled by internal jumpers see section 4 2 on Hardware Configuration and by selection of the sensor in the software see section 3 2 on Configuration The connections explained below will have the desired result only if the instrument is correctly configured by software and har...

Page 12: ...ter precision in the temperature measurement since the cold junction sensor is placed near input 1 In order to reduce the error due to cold junction compensation use thermal paste in the rear at the terminals where the thermocouple is connected to the cold junction sensor Connect the thermocouple to terminals 2 and 3 to use input 1 or to terminals 5 and 6 to use input 2 as shown in figure 6 Use ap...

Page 13: ...h wire disconnected See figure 7 With a 3 wire RTD one gets a better precision than with a 2 wire RTD Use wires of same material gauge and length on all 3 terminals of each channel for compensating resistance The maximum resistance of each connection wire must be 10 Ω Use 18 AWG wire minimum for distances up to 50 m and 16 AWG for distances greater than 50 m 6 5 4 3 2 1 6 5 4 3 2 1 6 5 4 3 2 1 6 5...

Page 14: ...rminals 4 and 6 for input 2 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 for input 1 and by terminal 4 for input 2 Figure 8 shows both possibilities of connection Figure 8 Milliampere Input p r e s y s ...

Page 15: ...ut 0 to 55 mVDC or to 0 to 5 VDC must be applied to terminals 2 and 3 for input 1 and to terminals 5 and 6 for input 2 0 to 10 VDC must be applied to terminals 1 and 3 for input 1 and to terminals 4 and 6 for input 2 The connections are shown in figure 9 Figure 9 Volt or millivolt Input p r e s y s ...

Page 16: ...ransmitter or alarm outputs Outputs 3 and 4 are used only as alarm outputs For outputs 1 and 2 there are six different types of outputs available retransmitter 4 to 20mA 0 to 5Vdc or 0 to 10Vdc SPST relay open collector voltage and solid state relay For outputs 3 and 4 there are three different types of outputs SPDT relay open collector voltage and solid state relay Figure 10 shows the Indicator o...

Page 17: ...er to section 3 2 on Configuration and section 4 3 on Optional Module Connection for details on installation and configuration of optional modules Relay contact states shown are valid for SAFE option selected see section 3 2 on Configuration instrument powered on and non alarm condition Positions of the contacts are changed in alarm condition with SAFE option selected or when the instrument is tur...

Page 18: ...PRESYS Instruments DMY 2011 DMY 2035 and DMY 2036 Installation Page 16 2 5 Connection Diagrams p r e s y s ...

Page 19: ...PRESYS Instruments DMY 2011 DMY 2035 and DMY 2036 Installation Page 17 p r e s y s ...

Page 20: ...ware 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 2 7 Engineering Units A label with several Engineering Units is supplied with each Indicator Select the one corresponding to the variable shown on the display and stick it to the front panel of ...

Page 21: ... password when configured ACK Key Presents the alarm outputs which require acknowledgment to return to normal state In order to view the monitored variable continue to press the ACK key In case there are no activated relays the No Ac message will be shown 3 2 Configuration In order to access configuration mode the operator is required to provide a password which avoids a non authorized person to c...

Page 22: ...ord systems key and value In this case if the user provides an incorrect sequence of keys the display goes immediately to the value password system The password number may be chosen by the user personal or it could be used the number 2011 2035 or 2036 according to the type of Indicator Note that the number 2011 2035 or 2036 is always accepted by the value password system which helps the user in ca...

Page 23: ...nd DOWN keys RS LEVEL 6 LEVEL 5 LEVEL 4 LEVEL 3 LEVEL 1 LEVEL 0 LEVEL 2 OUTPUT INPUTS CALIB ALAR GENER GENER PASS OPERATION Figure 12 Parameter levels diagram The hierarchical levels are presented in sequence The options of each level are explained step by step with all their corresponding parameters Inside each level the front panel keys have the following functions UP key Moves the options in in...

Page 24: ...ows the user to enable or disable the password system for accessing the configuration mode The password system may be chosen as a key sequence a value number chosen by the user and number 2011 2035 or 2036 or both The correct key sequence is obtained by pressing the UP DOWN and ENTER keys in this order Figure 13 GENERAL level options The table below refers to the ranges of the parameters shown in ...

Page 25: ...level allows whether to enable or not by means of the option ANNUL the type of sensor for input 1 and input 2 For sensor types we have the linear options 0 to 5V 0 to 55mV and 0 to 20mA and temperature option TEMP as illustrated in figure 14 Input from 4 to 20 mA belongs to option 20 mA Input from 1 to 5 Vac belongs to option 5 Vdc Figure 14 INPUT level options p r e s y s ...

Page 26: ...for square root 0 to 5 0 OFFSET constant added to display indication 999 to 9999 0 EU FILTER time constant of 1st order digital filter 0 0 to 25 0 0 0 seconds EU Engineering Unit When selecting a linear sensor one must configure its scale SCALE option Define two points P1 Lim Low Eng Low and P2 Lim High Eng High as illustrated in figure 15 Lim Low represents the value of the electrical signal give...

Page 27: ...ree decimal places may be set for linear processes whereas temperature sensors may have one or no decimal place OFSET allows the user to enter an off set value in Engineering Units to be added to the measured variable This parameter can be used to equalize measurements in different instruments CJC cold junction compensation for thermocouples Select INT for internal cold junction compensation other...

Page 28: ... independent alarm devices for the indication there are up to 28 setpoint alarms SP and their hysteresis HYST 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 The mnemonics of alarm setpoints have a ...

Page 29: ...strates the delay operation for a high alarm Delay NON ALARM ALARM Delay S1Hr3 High alarm set point Measured Variable Time Fig 17 Relay with delay SAFE provides safety to relays The safety condition means the relays are powered on when the instrument is on and there is no alarm condition and the relays are powered off when in alarm condition or in case of power failure p r e s y s ...

Page 30: ...PRESYS Instruments DMY 2011 DMY 2035 and DMY 2036 Operation Page 28 1 SAME OPTIONS OF RELAY 1 2 SAME OPTIONS OF LED 1 Figure 18 ALARMS Level Options p r e s y s ...

Page 31: ...onds Level 4 Output Level 4 allows the configuration of two analog outputs Refer to figure 19 1 SAME OPTIONS OF OUTPUT 2 Figure 19 OUTPUT level options The table below shows the parameters from figure 19 Mnemonic Parameters Range Factory value Unit LIM LOW output signal associated with Eng Low 0 0 to 100 0 0 0 LIM HIGH output signal associated with Eng High 0 0 to 100 0 100 0 ENG LOW display indic...

Page 32: ...g High Lim High as it is illustrated in figure 20 Eng Low is the indication in the display in engineering units associated to the electric signal Lim Low and Eng High is the indication in display in engineering units associated to the electric signal Lim High Note that Lim Low and Lim High are defined in percentage of output range and that the output signal saturates in these points P1 P2 ENG LOW ...

Page 33: ...e the instrument from case The Display Board is located in the Indicator front panel The front panel has four internal staples in its four corners which keep together CPU and Power Supply Boards The CPU and Power Supply Board are fixed by a spacer i Remove the screw which fixes the spacer placed near the edge of the CPU and Power Supply Boards ii Turn the Indicator so that the display is on the op...

Page 34: ...ion of jumpers in CPU Board Table 2 lists the jumpers that must be installed for each type of input Verify the input type required and place the jumpers as specified below Make sure to install only the jumpers required for the input Input type Jumpers Channel 2 Channel 1 Thermocouple J1 J4 J5 J7 Voltage 0 to 55mV J1 J4 J5 J7 Voltage 0 to 5V J1 J4 J5 J7 Voltage 0 to 10V J3 J6 2 wire or 3 wire RTD J...

Page 35: ... are extremely critical in control and safety of industrial processes In order to ensure the expected relay behaviour consider the following two loading conditions High currents circulating through the relay contacts from 20mA to 3A When the relay switches high currents there is the occurence of elecrical arch which damage quickly the relay contacts Besides electrical noise is generated In these c...

Page 36: ...our 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 Refer to Figure 25 Power Supply Board CPU Board Figure 25 Optional module connectors p r e s y s ...

Page 37: ...ter outputs 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 If other retransmitter output is needed connect the second module in the connector called MOD 2 The output 1 retransmits the measured variable from input 1 while output 2 retransmits the measured var...

Page 38: ...lay the solid state relay and the open collector voltage The alarm output type and the optional module code are listed in table 4 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 Outputs 3 and 4 as alarm outputs The outputs 3 and 4 work as alarm when one connects the optional module...

Page 39: ...vel is number 5 Once the correct password is provided select the input type to be calibrated Choose the channel to be calibrated by pressing ENTER The display shows the mnemonics related to the references required for the calibration process The references must be applied before selecting the corresponding mnemonic shown on display When the reference is stable start the calibration by pressing ENT...

Page 40: ...nce Page 38 Figure 28 shows input and output calibration options in level 5 of Calibration 3 same options as CH 1 4 same options as OUTPUT1 2 similar to 5V output refer to text 1 similar to 5V input refer to text Figure 28 CALIBRATION Level Options p r e s y s ...

Page 41: ...input calibration connect a voltage voltage source to the channel to be calibrated terminals 2 and 3 for channel 1 or 5 and 6 for channel 2 It is required 6 voltage references listed in table 7 Reference Mnemonic 0 0000V C 0V 1 0000V C 1V 2 0000V C 2V 3 0000V C 3V 4 0000V C 4V 5 0000V C 5V Table 7 References for 0 to 5V input calibration Calibration of voltage input 0 to 10V In a 0 to 10V voltage ...

Page 42: ... to the cold junction temperature of the Indicator By pressing ENTER after the CJC mnemonic is reached the automatic calculation of the cold junction temperature starts Meanwhile the CAL mnemonic blinks on the display After a few seconds the program finishes the cold junction temperature calculation and the display presents its value given in C This value is a first approximation of the cold junct...

Page 43: ...heck if the configurations of internal jumpers from the optional output module and from the CPU board correspond to the same input and output types Make sure that the input type was calibrated previously Make the connections listed in table 11 according to the output and output type to be calibrated Output Type Output 1 and Input 1 Output 2 and Input 2 current 0 to 20mA voltage 0 to 10V terminal 1...

Page 44: ...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 When at least one of these components presents some problem the display shows the following error codes Err 01 RAM error Err 02 E2PROM error I...

Page 45: ...oftware and hardware internal jumpers Examine if the optional modules are connected in the right spots Check if the voltages on flat cable 1 as shown in figure 29 are close to the values in table 12 and if they reach the CPU Board Test points on flat cable 1 Voltage Between point 1 and point 2 5V Between point 9 and point 8 8V Between point 9 and point 1 0V Between point 9 and point 10 8V Between ...

Page 46: ... 21 Ceramic Multilayer Capacitor 0 01µF x 63V C24 01 03 0035 21 Ceramic Multilayer Capacitor 0 1µF x 63V C6 7 01 03 0039 21 Polyester Capacitor 0 1 µF x 250 V C1 3 01 03 0022 21 Polyester Capacitor 0 01 µF x 100 V C15 17 01 03 0041 21 Polyester Capacitor 0 01 µF x 250 V C4 5 01 03 0038 21 Radial Electrolytic Capacitor 10 µF x 16 V C8 11 01 03 0042 21 Radial Electrolytic Capacitor 22 µF x 25 V C9 1...

Page 47: ...27 21 AD 712 JN U17 01 16 0001 11 Crystal 11 0592 MHz X1 01 09 0013 21 Transistor BC 327 Q4 01 04 0003 21 Diode 1N4148 D1 2 01 04 0005 21 Reference Diode LM336 5V Z1 01 04 0006 21 Zener BZX 79 C6V2 Z2 01 03 0067 21 Ceramic Disc Capacitor 56pF x 50 V 4 mm C18 19 01 03 0035 21 Ceramic Multilayer Capacitor 0 1µF x 63V C1 4 5 6 7 8 9 10 11 12 C13 20 21 22 24 25 27 C29 30 32 33 34 35 36 C37 38 41 42 43...

Page 48: ...1 3 01 09 0006 21 TIP 117 Q 1 01 09 0015 21 Transistor BC 337 Q 2 01 09 0021 21 Transistor BF 245A Q 3 01 04 0030 21 Zener Diode BZX 79 C3V3 Z 1 01 04 0011 21 Zener Diode BZX79 C3V9 Z 3 01 04 0005 21 Reference Diode LM 336 5 0 V Z 2 4 01 03 0042 21 Radial Electrolytic Capacitor 22 µF x 25 V C 1 01 03 0035 21 Ceramic Multilayer Capacitor 0 1µF x 63 V C5 6 01 03 0011 21 Ceramic Multilayer Capacitor ...

Page 49: ... 0 1 µF x 250 V C1 2 01 02 0114 21 Resistor 270R 5 R1 01 02 0072 21 Resistor 100R 5 R2 01 12 0001 21 Relay 24 V K1 01 17 0004 21 Connector 90º 2x2 CN3 4 4 8 List of recommended spare components Display Board Display DP1 2 3 4 5 6 7 8 Power Supply Board IRF 822 Q3 UC 3842 U1 Fuse 2A F1 LM 1458N U2 I O Terminal Board BC 337 U1 CPU Board 4051 U14 4053 U15 Reference diode LM336 5V Z1 Engineering Units...

Page 50: ...PRESYS RUA LUIZ DA COSTA RAMOS 260 SAUDE SAO PAULO SP BRAZIL 04157 020 PHONE 55 11 5073 1900 FAX 55 11 5073 3366 INSTRUMENTOS E SISTEMAS LTDA ISO 9001 p r e s y s ...

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