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Digital Multi-Point

Indicator

DMY-2015-PB

EM0326-00

TECHNICAL MANUAL

R

Energy

presys

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Summary of Contents for PROFI BUS DMY-2015-PB

Page 1: ...Digital Multi Point Indicator DMY 2015 PB EM0326 00 TECHNICAL MANUAL R Energy p r e s y s ...

Page 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 CAUTION The instrument described in this manual is a device for use in specialized technical area The user is responsible for con...

Page 3: ...TD Connections 7 2 4 Alarm Output Connection 8 2 5 Connections Diagram 9 2 6 Communication 10 2 6 1 Profibus DP V0 Protocol 10 3 0 Operation 11 3 1 Normal Operation 11 3 2 Configuration 13 4 0 Maintenance 22 4 1 Indicator Hardware 22 4 2 Using Snubber with relays 23 4 3 Installation of optional modules 24 4 4 Calibration 25 4 5 Hardware maintenance instructions 27 4 6 List of components 29 4 7 Lis...

Page 4: ...cept of modularity the indicator supports up to 2 output cards for alarm The output types can be SPDT relay solid state relay and open collector voltage In case of sensor break the trip alarms are not triggered configurable for both relays In addition to the high and low alarms you can set the indicator for failure alarms Watchdog triggered by detecting the sensor breaks connected to the inputs Fi...

Page 5: ...l condition 1 2 Order Code DMY 2015 PB 1 A B C D E F E G Field A Inputs 1 8 RTD inputs Field B Output 3 0 Not used 1 SPDT Relay 2 Open collector voltage 3 Solid State Relay Field C Output 4 Same code as output 3 Field D Power Supply 1 75 to 264 Vac 50 60Hz or 100 to 360 Vdc any polarity 2 24 Vac or 24 Vdc 10 3 12 Vdc 10 Field E Communication 4 Profibus DP V0 Field F Case Protection Grade 0 General...

Page 6: ...E This code defines an indicator DMY 2015 PB Energy for 8 RTD inputs with two SPDT relays which can be used as high low and failure alarm sensor break alarm 75 to 264 Vac 50 60Hz or 100 to 360 Vdc electric power supply for use in a sheltered place The trip function is configurable for both relays It has communication Profibus DP V0 1 3 Technical Specifications Inputs Pt 100 RTD inputs under DIN 43...

Page 7: ...panel push buttons Sampling rate 480 ms sampling rate The display is updated each second Accuracy 0 1 of full scale for RTD Linearization 0 1 C for RTD Thermal stability 0 005 C of span with reference to 25 C ambient temperature Power supply 75 to 264 Vac 50 60Hz or 100 to 360 Vdc any polarity 10 W nominal 24 Vac dc 10 12 Vdc 10 Operating ambient 0 to 50 C temperature and 90 maximum relative humid...

Page 8: ...the rails which press it against the back side of the panel After preparing a 92 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 ...

Page 9: ...als Signal wiring must be kept far away from power wires Due to its metal case the instrument ground should be connected to earth ground Never connect the ground to neutral terminal Fig 3 Indicator terminals 2 3 Process Input Signal Connections The Indicator presents specific inputs for connection of RTD sensors See the different types and ranges of input sensors in table 1 section 1 3 on Technica...

Page 10: ... 4 and 6 5 3 7 and 9 8 4 10 and 12 11 5 13 and 15 14 6 16 and 18 17 7 19 and 21 20 8 22 and 24 23 Table 2 RTD input terminals Fig 4 RTD connection A 2 wire RTD is connected for example to terminals 1 and 3 when using input 1 as shown in Figure 4 A 3 wire RTD is connected in the same way as explained for a 2 wire RTD adding the connection of the compensation wire to terminal 2 for input 1 Connect a...

Page 11: ...es up to 50 m and 16 AWG for distances greater than 50 m 2 4 Alarm Output Connection The Indicator presents up to two alarm outputs obtained through the installation of modules with SPDT relay up to 2 open collector voltage or solid state relays Figure 5 illustrates the Indicator outputs See sections 3 2 on Configuration and 4 3 on Optional module Connection for details on configuration and instal...

Page 12: ...PRESYS Instruments DMY 2015 PB Energy Operation Page 9 2 5 Connections Diagram p r e s y s ...

Page 13: ... DMY 2015 PB Energy Operation Page 10 2 6 Communication The DMY 2015 PB Energy Indicator has serial communication with Profibus DP V0 protocol 2 6 1 Profibus DP V0 Protocol See Item 6 0 PROFIBUS Communication p r e s y s ...

Page 14: ...on display in descending order Pauses automatically the scan of the channels and displays in descending order the channels with non zero display time ACK Features if any mnemonics corresponding to Disabled relays trip alarms due to the input sensor break FLT 3 and FLT 4 Alarms that require recognition or admit reset to return to normal state AC RL 3 and AC RL 4 Leds with retention AC L 1 to A L 11...

Page 15: ...ed ii Reconnect the sensor to the instrument terminals iii The display shows alternatively the value of the process variable and the mnemonic FALT relays 3 and or 4 disabled iv Enable the relays with TRIP alarms according to the steps below 1 press ACK to show the mnemonic of the disabled relay FLT 3 or FLT 4 2 press ENTER 3 FLT 3 or FLT 4 disappears 4 the display starts to show the next trip alar...

Page 16: ... the configuration levels For a value password the user must press the ENTER key for a second time in order to view the number 0000 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 Move to the digits on the left by pressing ENTER After entering all digits press ENTER again If the password is corre...

Page 17: ...ires to change the factory configuration The configuration parameters are distributed over five increasing hierarchical levels as shown in figure 7 In order to go through those levels and access the corresponding parameters the user may use the Module front keys with the following functions Key Function ENTER Choose the level UP Switches to a higher level DOWN Switches to a lower level Note in the...

Page 18: ...nable 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 2015 or both The correct key sequence is obtained by pressing the UP DOWN and ENTER keys in this order INDC is an option for the visualization of the measured variables on the display It allows the user to view the values of diff...

Page 19: ...re 8 Mnemonic Parameter Range Factory Value Units TAG instrument identification _______________ 2015 ____________ SOFT software version _______________ 1 31 ____________ VALUE user password 999 to 9999 0 ____________ TIME1 channel 1 exhibition time 1 to 3000 5 seconds TIME2 to TIME8 channels 2 to 8 exhibition time 0 to 3000 1 seconds p r e s y s ...

Page 20: ... shown in Figure 9 Mnemonic Parameter Range Factory Value Units 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 DC PT sets the decimal point position for visualization of Engineering units in display There are up to one decimal place or none OFST allows the user to enter an off set value in En...

Page 21: ...ing triggered in case of sensor break or in the moment when the sensor connections are redone It is allowed to configure the relay with high trip HI after selecting YES to TRIP option To disable the trip function you must configure TRIP to NO Once selected the type of trip one should proceed to the high alarm setting HI of at least one of the channels In this case it will not show the low alarm op...

Page 22: ...be it the second disabled relay FLT 3 or FLT 4 or those for alarm or led acknowledgement After presenting all available mnemonics the display returns to the process variable exhibition It is only possible to configure the failure alarm for relays 3 and 4 with the trip function disabled After configuring the alarms CONF option the operator can have direct access to the setpoint values of the high a...

Page 23: ...ating the need for recognition by the operator The acknowledgment of an alarm condition or state of the LED is done in normal operation Must be pressed the ACK button passing through the mnemonic of fault relays if any In sequence are shown mnemonics of the relays that require acknowledgment AC R 3 and AC R 4 and then the LEDs AC L 1 to A L 11 Note that only appear relays and LEDs configured to la...

Page 24: ...on mode The relay will be activated again if the current alarm condition finishes and then returns or in case of occurrence of other alarm conditions which were not presented before DELAY causes the relay to be activated only after a certain time interval defined by the user Figure 11 below illustrates the delay operation for a high alarm If the trip function is enabled you must set this value to ...

Page 25: ...l has four internal holders near its four corners which keep together the CPU and Power Supply Boards The Input Board is connected to the CPU Board by means of two flat cables and the boards are fixed by 3 spacers There is another spacer between the CPU and Power Supply Boards Follow the instructions below to open the set i Remove the screw which fixes the spacer placed near the edge of the CPU an...

Page 26: ...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 relays could no...

Page 27: ...er to access the connectors in the Power Supply Board and one connector in the CPU Board see figure 14 Fig 14 Optional module connectors The connectors in the Power Supply Board corresponding to outputs 3 and 4 figure 3 are called MOD 3 and MOD 4 The connector for the communication module is placed in the CPU Board and has no label Any optional module must be always installed with the component si...

Page 28: ... it turned on for at least 30 minutes for warm up The accuracy and precision of the calibrator used for generating references must be at least twice as good as the specifications of the Indicator The following tables list the references related to the type of input to be calibrated The left column shows the mnemonics presented on the display during the calibration process Before performing the cal...

Page 29: ...operly In order to return to normal operation move back through the hierarchical levels until reaching level zero Figure 16 shows the calibration options for the instrument Fig 16 CALIBRATION level options Calibration of 2 and 3 wire RTD input In a 3 wire RTD input calibration connect precision resistances with the values listed in table 4 to the channel to be calibrated For channel 1 for instance...

Page 30: ... display shows the following error codes Er 01 RAM error Er 02 E2PROM error In case of RAM error turn the instrument off and on to check if the error message is displayed again If the error remains return the instrument to factory When there is E2PROM error press the ENTER key and configure the instrument again Turn the instrument off and on to check if the error message is displayed repeatedly If...

Page 31: ... 5 Inspection points of voltage on flat cable 1 Fig 17 Voltage test points of the Indicator Measure voltages on flat cable 5 which connects the CPU and Input Boards check if they are close to the values in table 6 Test points on flat cable 5 Voltage Between point 12 and point 13 8V Between point 12 and point 11 8V Between point 12 and point 3 0V Table 15 Inspection points of voltage on flat cable ...

Page 32: ...citor 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 0042 21 Radial Electrolytic Capacitor 22 µF x 25 V C9 C10 01 03 0027 21 Radial Electrolytic Capacitor 100 µF x 25 V C18 21 01 03 0043 21 Radial Electrolytic Capacitor 100 µF x 35 V C16 22 01 03 0044 21 Radial Electrolytic Capacitor 220 µF x 10 V C8 11 20 2...

Page 33: ... 19 01 03 0035 21 Ceramic Multilayer Capacitor 0 1µF x 63V C1 4 5 6 7 8 9 10 11 12 13 33 34 35 36 37 38 41 42 43 44 01 03 0039 21 Polyester Capacitor J 5 0 1 µF x 250 V C39 01 03 0027 21 Radial Electrolytic Capacitor 100µF x 25 V C40 01 02 0103 21 Resistor 68R1 1 R24 01 02 0010 21 Resistor 100R 1 R29 01 02 0102 21 Resistor 442R 1 R23 01 02 0019 21 Resistor 1K 1 R22 30 01 02 0024 21 Resistor 2K 1 R...

Page 34: ...sistor 4K42 1 R2 5 10 11 16 17 22 23 01 02 0031 21 Resistor 4K99 1 R4 I O Terminal Board Code Components Reference 01 05 0081 20 I O Terminal Board DMY2015 01 09 0015 21 BC 337 Q1 01 02 0010 21 Resistor 100R 1 R2 4 6 8 10 12 14 16 18 20 22 24 01 02 0011 21 Resistor 150R 1 R1 3 5 7 9 11 13 15 17 19 21 23 01 13 0002 21 Terminal Block CN1 2 3 01 13 0003 21 Board to board Connector P1 2 Alarm Board Co...

Page 35: ...mended spare components Display Board Display DP1 2 3 4 5 6 Power Supply Board IRF 822 Q3 UC 3842 U1 Fuse 2A F1 LM 358N U2 I O Terminal Board BC 337 U1 CPU Board 4051 U14 4053 U15 Input Board Reference diode LM336 5V D1 2 Engineering Units Label Code 02 10 0003 21 p r e s y s ...

Page 36: ... according to Figure 18 Fig 18 DB9 Connector Pin Assignments Furthermore they can be directly connected to the wire pair Terminal 25 VP Terminal 26 B B Terminal 27 A A Terminal 28 DGND from network to the I O terminal It is important to note that there is no internal termination resistors Thus it is responsibility of the user to connect termination resistors to the terminals according to Figure 19...

Page 37: ... the relays and fault condition 12 2 Bytes 1 Word Acknowledgement of the LEDs More details are found below Attention Any other different setting will result in incorrect operation of the instrument The slots 8 to 12 carry information in bit form Each bit of this data has a distinct meaning Slot 8 Input 2 Bytes 1 word 4 3 8 7 6 5 4 3 2 1 State of the relays alarm condition for each channel 2 N A un...

Page 38: ... configured for the relay Slot 12 Output 2 Bytes 1 word 8 7 6 5 4 3 2 1 Leds1 N A unused bits 1 State of bit 1 led acknowledgment In operating mode if the Profibus master is not in data exchange the display flashes BF Bus Fail and the LED 12 remains off When you enter the data exchange mode the display stops blinking BF and the LED 12 turns on Another way to check if the slave in question is in da...

Page 39: ... Instruments Inc Presys Presys www presyscorp com p r e s y s ...

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