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PRESYS



Instruments

DMY-2030-

Light

-5S-Energy

Installation

Page 9

2.3.3 - Current Input

The 4-20 mA current signal is applied to terminals 5(+) and 6(-). 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 5(+). Figure 6 shows both possibilities of connection.

Fig. 6 - Current input connections

presys

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Содержание DMY-2030 Light

Страница 1: ...Universal Digital Indicator DMY 2030 Light EM0267 01 Technical Manual R 5S Energy p r e s y s ...

Страница 2: ...control you must follow the instructions in this manual in the maintenance section on the snubber use The snubber is a protection against noise coming from the opening closing of the relay contacts but depending on the application may be necessary to remove this snubber ATTENTION The instrument described in this manual is a device for use in specialized technical area The user is responsible for c...

Страница 3: ...s Input Signal Connections 7 2 3 1 Thermocouple Connections 8 2 3 2 RTD Connections 8 2 3 3 Current Input 9 2 3 4 Voltage inputs 10 2 4 Output Connections 10 2 5 Connection Diagram 12 2 6 Engineering Units 13 3 0 Operation 14 3 1 Normal Operation 14 3 2 Configuration 16 4 0 Maintenance 29 4 1 Hardware 29 4 2 Using snubber with relays 30 4 3 Optional Modules Installation 31 4 4 Calibration 34 4 5 H...

Страница 4: ...p r e s y s ...

Страница 5: ...put 4 20 mA 1 5 V 0 10 V and up to four relay outputs SPST relay SPDT relay solid state relay or open collector voltage In case of sensor breaking the trip alarm is not triggered configurable for 4 20 mA 1 5 V TC and RTD inputs and the analog output takes preconfigured security value The alarm outputs can be configured independently to work with latch demanding recognition of the operator through ...

Страница 6: ... C D E F G H Field A Output 1 Alarm 0 None 4 SPST Relay 5 Open Collector Voltage 6 Solid State Relay Field B Output 2 Alarm Same code as Output 1 Field C Output 3 Alarm or trip 0 None 1 SPDT Relay 2 Open Collector Voltage 3 Solid State Relay Field D Output 4 Alarms or trip Same code as Output 3 Field E Power Supply 1 75 to 264 Vac 50 60 Hz or 100 to 360 Vdc any polarity 2 24 Vac or 24 Vdc 10 3 12 ...

Страница 7: ...nsmitter output and the use of alarm relays are items that the user can program through the front keys if desired specify this information so that all programming is done by Presys Note Any other desired feature software or hardware may be available upon request Code Example 1 DMY 2030 Light 5S 4 4 0 1 1 X 0 E This code defines an indicator DMY 2030 Light 5S Energy with two SPST relays one SPDT re...

Страница 8: ... S 58 3200 50 1760 RTD 3 wire Pt 100 346 0 752 0 210 0 400 0 Linear Range Resolution Voltage 0 to 500 mV 25 V 1 to 5 V 250 V 0 to 10 V 500 V Current 4 a 20 mA 1 A including wire resistance Outputs Up to 5 modules 01 x Analog 4 20 mA 1 5 Vdc 0 10 Vdc up to 04 relays 2 x SPST 2 x SPDT 3 A 220 Vac Logic signal open collector transistor 24 Vdc 40 mA maximum with isolation Solid state relay 2A 250 Vac ...

Страница 9: ...f span with reference of 25 C ambient temperature Power Supply Universal 75 to 264 Vac 50 60 Hz or 100 to 360 Vdc any polarity 10 W nominal 24 Vac dc 10 12 Vdc 10 and other values are optional 2 wire transmitter power supply 24 Vdc voltage and 50 mA maximum isolated from output short circuit protection Operating Ambient 10 to 60 C temperature and 90 maximum relative humidity Dimensions 1 8 DIN 48 ...

Страница 10: ...xed by the rails which press it against the back side of the panel After preparing a 45 x 92 mm cut in the panel 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 figure 2 Fig 2 Dimensional drawing panel cutout and side view p r e s y s ...

Страница 11: ... be connected to earth ground Never connect the ground to neutral terminal Fig 3 Indicator Terminals 2 3 Process Input Signal Connections The Indicator universal standard inputs can be connected to thermocouples 3 wire RTD current mA or voltage V or mV See the different types and ranges of input sensors in table 1 section 1 3 on Technical Specifications The input sensor is enabled by software conf...

Страница 12: ...s with the same material of the thermocouple in order to connect it to the instrument Check if the thermocouple polarity is equal to those of the terminals Fig 4 Thermocouple Connections 2 3 2 RTD Connections The 3 wire RTD is connected to terminals 1 and 3 and the compensation wire is connected to terminal 2 Use wires of same material gauge and length on all 3 for compensating resistance The maxi...

Страница 13: ...als 5 and 6 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 5 Figure 6 shows both possibilities of connection Fig 6 Current input connections p r e s y s ...

Страница 14: ...nnections The Indicator can have up to five output modules output 1 to 4 are only used as alarm outputs and the output other one as retransmitter output 4 20 mA 1 5 Vdc or 0 10 Vdc Figure 8 shows the Indicator output types Note that the output terminals will present the corresponding signals only if the optional modules are installed and the output is correctly configured Refer to section 3 2 on C...

Страница 15: ...m condition or not Table 2 shows the state of the relay contacts in all conditions Power SAFE Alarm Condition Relay 1 Terminals 13 and 14 Relay 2 Terminals 15 and 16 Relay 3 Terminals 17 and 18 Relay 4 Terminals 20 and 21 Off Open Open Open Open On Yes No Closed Closed Closed Closed On Yes Yes Open Open Open Open On No No Open Open Open Open On No Yes Closed Closed Closed Closed The factory settin...

Страница 16: ...PRESYS Instruments DMY 2030 Light 5S Energy Installation Page 12 2 5 Connection Diagram Fig 9 Connections Diagram p r e s y s ...

Страница 17: ...gy Installation Page 13 2 6 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 the Indicator p r e s y s ...

Страница 18: ... password depending on configuration iii Increase the alarm set point value shown if the edition of set points alarm is enabled DOWN i Decreases the value of the displayed alarm set point if the the alarm set point edition is enabled ii If the process variable is being indicated presents the mnemonic ST UP to the beginning of the start up or AB S U to abort a start up that was already started ENTE...

Страница 19: ...e section 3 2 Configuration Levels 5 and 6 ALAR 3 and ALAR 4 are reactivated by the following procedure i The message B OUT for RTD or TC input or BREAK for 4 20 mA current or 1 5 V voltage inputs flashes on the display indicating that the sensor is broken and the trip alarm is disabled ii Redo the connection of the terminal block iii The display starts to alternately display the words of the proc...

Страница 20: ...P DOWN and ENTER key to enter the setting levels In the case of password with value the user must press for the second time the ENTER key to display the number 00000 with the last zero flashing The flashing digit indicates the position where the user will enter a five digit number password To move to the other digits of the left press the ENTER key After entering all digits press ENTER again to mo...

Страница 21: ...ange the configuration from factory Configuration parameters are distributed in eight hierarchical levels shown in figure 12 Fig 12 Parameter levels diagram In order to move through the levels and access the parameters of any one of them use the front panel keys which have the following functions Key Function UP Moves to higher levels DOWN Moves to lower levels ENTER Enters the level The Indicator...

Страница 22: ...When accessing any parameter of a configuration level the Indicator directly shows the option or value corresponding to the current configuration of the parameter In case a value is presented use the UP and DOWN keys to change each digit and press ENTER to move to the next one When configuring the options of a parameter the UP and DOWN keys are used to move through the options and the ENTER key to...

Страница 23: ...it Finally the All option allows the setpoints to be both viewed and changed ST UP configures the start up operation by selecting the relays to be used RELAY their state ST RL execution time Time and indication INDIC In RELAY the user can select the relays to remain fixed during the start up according to their type relays with normal configuration or without trip NORM relays with trip TRIP all rel...

Страница 24: ...PRESYS Instruments DMY 2030 Light 5S Energy Operation Page 20 Fig 13 General Level Options p r e s y s ...

Страница 25: ...5S Energy Operation Page 21 Level 2 Input The input sensors described in table 1 of section 1 3 on Technical Specifications are configured according to the parameters of the Input level shown below Fig 14 Input Level Options p r e s y s ...

Страница 26: ...1009 to 20019 100 0 EU CUT OFF minimum value for the square root extraction 0 to 5 0 OFFSET constant added to the display indication 9999 to 30000 0 EU FILTER time constant of a first order digital filter 0 0 to 25 0 0 0 seconds EU Engineering unit When selecting a linear sensor one must configure its scale Define two points P1 Lim Low Eng Low and P2 Lim High Eng High as shown in figure 15 Lim Low...

Страница 27: ... FILTER this parameter gives the time constant of a first order digital filter coupled to the input When you do not want the filtering of the measured signal just set zero to this parameter BREAK determines the direction of change of the indication when a sensor break is detected for the 4 20 mA current or 1 5 V voltage inputs This option can be configured as DOWN downscale UP upscale or NONE no c...

Страница 28: ...d 2 do Once the trip type is selected one must configure the parameters of the same type of alarm HI or LO in the ALAR3 or ALAR4 level Thus if a high trip is selected for example one must configure the high alarm HI and its parameters SP and HYST When there is sensor break the alarm of a trip relay ceases to be checked temporarily relay disabled although it remains configured in the ALAR3 or ALAR4...

Страница 29: ... reset first go to the CONF mnemonic and press ENTER to display the PASS mnemonic Then press the UP DOWN and ENTER keys to enable the alarm The display returns to the exhibition of the process variable Note that the trip function does not apply to the 10 V and 500 mV inputs It is only possible to configure the fail alarm for relays 3 and 4 with the trip function disabled Fig 17 ALAR Level Options ...

Страница 30: ...or a high alarm If the trip function is enabled you must set this value to 5 0 seconds to temperature input 2 0 seconds to current input 4 20 mA or 1 5 V voltage Fig 18 Relay with delay SAFE determines the security condition to relays The security condition to relays means that their coils are energized in no alarm condition and are de energized in alarm condition or in case of power failure If th...

Страница 31: ...SP2 Lo Low alarm set point for relay 2 SP2 Fl Fail alarm set point for relay 2 SP3 Hi High alarm set point for relay 3 SP3 Lo Low alarm set point for relay 3 SP3 Fl Fail alarm set point for relay 3 SP4 Hi High alarm set point for relay 4 SP4 Lo Low alarm set point for relay 4 SP4 Fl Fail alarm set point for relay 4 Level 7 Output Fig 19 Output Level Options Below is the adjustable range of the par...

Страница 32: ... have their jumpers properly arranged no jumpers for 4 20 mA output jumper 1 for 1 5 V output and jumper 2 for 0 10 V output P1 P2 ENG LOW ENG HIGH LIM HIGH LIM LOW 0 INDICATOR OUTPUT SIGNAL DISPLAY VALUE Fig 20 Analog Output Configuration In FAIL parameter you can set the output to generate a fixed safety value in case input sensor breaking RTD TC 4 20 mA or 1 5 V For current 4 20 mA or 1 5 V vol...

Страница 33: ...se The display board is located on the front indicator panel The front panel has four inner tabs located in the four corners that hold together the CPU Board and the Power Supply Board A bolt spacer between the CPU and the Power Supply board is still placed to give greater rigidity to the set To open the set follow the instructions below i Remove the screw that fixes the spacer located at the bott...

Страница 34: ...irculating through the relay contacts from 20 mA to 3 A When the relay switches high currents there is the occurrence of electrical arch which damage quickly the relay contacts Besides electrical noise is generated In these conditions it is recommended to use the RC snubbers which come with the relay module placed jumpers Low currents circulating through the relay contacts less than 20 mA The rela...

Страница 35: ...access the four connectors on the Power Supply Board plus a connector on the CPU board see Figure 23 Fig 23 Optional modules Plug in The connectors on the Power Supply board are called MOD 1 MOD 2 MOD 3 and MOD4 and correspond respectively to outputs 1 to 4 at the indicator terminals shown in Figure 3 The connectors of the analog output are located on the CPU board and have no denomination Any opt...

Страница 36: ... installation jumpers J1 and J2 as shown in Figure 25 Fig 25 Location of the jumpers on the analog output board To configure the analog output optional module for retransmission output 4 20 mA 1 5 V or 0 10 V just install the jumper as specified in the table below Retransmission Outputs Types Jumpers 4 20 mA 1 5 V J1 0 10 V J2 In case of retransmitting output 4 20 mA current you should save the pr...

Страница 37: ...able below Alarm Output Type Optional Module Code SPST Relay MALRE 20 Solid State Relay MALRS 20 Open Collector Voltage MSD 20 Outputs 3 and 4 With alarm outputs The outputs 3 and 4 work as alarms when connected to the corresponding optional module MOD3 and MOD4 slots respectively There are three possible types of alarm output SPDT relay solid state relay and open collector voltage The relationshi...

Страница 38: ...this level and changes in the indicator calibration parameters The password to enter the calibration level is the number 5 Once satisfied the calibration password select the type of input to be calibrated within the option INPUT The display shows the corresponding mnemonic to the references required for the calibration process references should be put before the appearance of the corresponding mne...

Страница 39: ...PRESYS Instruments DMY 2030 Light 5S Energy Maintenance Page 35 Fig 26 Calibration Level Options p r e s y s ...

Страница 40: ...urce to terminals 2 and 3 Are required 6 voltage references listed in the table below Reference Mnemonic 0 0000 V C 0V 1 0000 V C 1V 2 0000 V C 2V 3 0000 V C 3V 4 0000 V C 4V 5 0000 V C 5V Voltage input calibration 0 to 10 V To calibrate the voltage input from 1 to 5 V connect a DC precision voltage source to terminals 4 and 6 Are required 6 voltage references listed in the table below Reference M...

Страница 41: ...lue is a first approximation of the cold junction temperature The user should accurately measure the temperature of the terminal block and enter the value presented by the program in the usual way to enter parameter values explained in 3 2 Configuration section Finished these two steps of the calibration input for any type of thermocouple is completed You can then return to normal operating mode d...

Страница 42: ...ng ENTER after the exhibition of the corresponding mnemonic to the first or second calibration point the display goes on to show the output value You can then through the UP and DOWN keys to adjust the output value for the electric level presented by mnemonics After adjusted press the ENTER key In the first calibration point 0 mA 0 V must be careful not to saturate the output signal You can then r...

Страница 43: ... the error message is displayed repeatedly If the error remains return the instrument to factory Instrument with the display off Check if power supply voltage is provided to terminals 23 and 24 of the Indicator Verify the integrity of fuse F1 of 2 0 A placed in the Power Supply Board as shown in Figure 20 Due to its package it is necessary to check the fuse continuity in order to detect if it is b...

Страница 44: ...ruments DMY 2030 Light 5S Energy Maintenance Page 40 Fig 27 Voltage test points of the Indicator If the cause of the problem is not identified the indicator should be returned to the factory for repair p r e s y s ...

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Страница 48: ...www presyscorp com p r e s y s ...

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