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Presys

PRESYS

⏐

Instruments

DCY-2058 and DCY-2059

Maintenance

Page 39

Code Components Reference

01.02.0038-21

Resistor 10K 1%

01.02.0047-21

Resistor 49K9 1%

R7,8

01.02.0059-21

Resistor 301K 1%

R12

01.02.0069-21

Resistor 1M 1%

01.02.0109-21

Resistor 3K3 5%

R14

01.02.0080-21

Resistor 4K7 5%

01.17.0001-21

Pin bus 2 x 2

J1,2

01.17.0004-21

Pin bus 2 x 2

CN1,2

01.17.0002-21 Jumper

Selected

01.06.0004-21

Coil ---------------------

4.7 - 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
BC 337

Engineering Units Card
Code 02.10.0003.21

CPU Board
4051 U14
4053 U15
Reference diode LM-336/5V

Содержание DCY-2058

Страница 1: ...P r e s y s Auto Manual Auto Manual Stations DCY 2058 2059 PRESYS DCY 2058 AUTO MANUAL LD1 LD2 A TECHNICAL MANUAL Instruments PRESYS LD1 LD2 PRESYS DCY 2059 AUTO MANUAL ...

Страница 2: ... Input 7 2 4 Output Signal Connection 8 2 5 Connection Diagram 9 2 6 Communication 10 2 7 Engineering Units 10 3 0 Operation 11 3 1 Normal Operation 11 3 2 Configuration 13 3 2 1 Level 1 General 17 3 2 2 Level 2 Input 20 3 2 3 Level 3 Output 22 3 2 4 Level 4 Calibration 25 3 2 5 Level 5 RS 25 4 0 Maintenance 26 4 1 Station Hardware 26 4 2 Hardware Configuration 27 4 3 Optional Module Connection 28...

Страница 3: ...nd 0 to 10V A 24VDC voltage source isolated 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 the event of a power failure They accept 90 to 240VAC or 130 to 340VDC with any ...

Страница 4: ... and parameter values The pair of red leds are used as a visual indication that the input and output shown on the displays refer to loop 1 or 2 1 2 Order Code Number Note 1 DCY 2058 2059 Stations configuration is described in detail by this technical manual and can be easily done by the user If desired specify the configuration so that the instrument is configured at Presys Note 2 Other hardware a...

Страница 5: ...at 50VDC Indication Two red display sets with four digits which can be jointly configured with the decimal point Configuration By front panel push buttons and internal jumpers Scanning time Single loop station 64ms display updated each 0 5s Dual loop station 120ms display updated each 0 6s Accuracy 0 5 of full scale for input indication and output generation 2 Wire Transmitter Power Supply 24VDC v...

Страница 6: ...tion and slide its rear through the cut until its front reaches the panel Place the rails again in the Station from the back of the panel and tighten the screws as shown in figure 2 Fig 2 Dimensional drawing panel mounting cutout and side view 2 2 Electrical Installation The DCY 2058 and 2059 Auto Manual Auto Manual Stations may be powered by voltage between 90 and 240VAC or 130 to 340VDC any pola...

Страница 7: ...efer to table 1 section 1 3 on Technical Specifications A certain type of input sensor is enabled by means of internal jumpers refer to section 4 2 on Hardware Configuration and by the proper sensor selection in configuration mode refer to section 3 2 on Configuration Therefore the connections explained below shall only become effective if the instrument hardware and software are correctly configu...

Страница 8: ...n terminals 4 and 6 in case of input 2 such current can originate from an externally powered Transmitter In the event that the internal controller 24V voltage source is used to power a 2 wire Transmitter the current is received only on terminal 1 in case of input 1 and received only on terminal 4 in case of input 2 Figure 4 illustrates those two connection possibilities Fig 4 Current Source Connec...

Страница 9: ...st be applied between terminals 2 and 3 in case of input 1 and between terminals 5 and 6 in case of input 2 0 to 10VDC voltage must be applied between terminals 1 and 3 in case of input 1 and between terminals 4 and 6 in case of input 2 Those connections are illustrated in figure 5 Fig 5 Voltage Source Connection ...

Страница 10: ... depending on the Station software configuration established by the user Outputs 1 and 2 provide three different types of analogic signal at the I O terminals current 4 to 20mA voltage 0 to 5VDC and voltage 0 to 10VDC Note that the I O terminals will only show output signals if the corresponding optional module is installed and the output is correctly configured Refer to sections 3 2 on Configurat...

Страница 11: ...P r e s y s PRESYS Instruments DCY 2058 and DCY 2059 Installation Page 9 2 5 Connection Diagram ...

Страница 12: ...puters via RS 232 or RS 422 485 since the communication optional module is installed and the communication parameters are configured 2 7 Engineering Units A label containing a selection of Engineering Units is supplied with each Station Select the one corresponding to the variable shown on the display and stick it on the front panel of the Station ...

Страница 13: ...ons When in manual mode the green LED indicating the manual state is illuminated The Manual Station maintains the green led on and the A M key has no function The Automatic Station maintains the green led off The A M key has no function too The normal operation mode of the stations in which they operate most of the time will be named level zero In this level the upper display can show the followin...

Страница 14: ...nual Station front panel have the following functions Tecla Função A M Switches from automatic mode to manual mode and vice versa UP Increases the output value when in manual mode and has no function in the automatic mode DOWN Decreases the output value when in manual mode and has no function in the automatic mode ENTER Change the options presented on the display ...

Страница 15: ...escribed in the following sections one should change the display to the CONF option 3 2 Configuration The DCY 2058 and 2059 Stations can be configured with a password system to prevent unauthorized people from altering critical process parameters Therefore whenever the UP key is pressed while the CONF mnemonic Configuration is shown on the upper display one of the following cases may occur dependi...

Страница 16: ...d the user enters a wrong key sequence he will be immediately reverted to password by value The password may be a number selected by the user customized or the number 2058 or 2059 according to the Station model Note that in case of password by value the number 2058 or 2059 for each Station model is always enabled to help the user in case one does not remember the password In order to enter a passw...

Страница 17: ...rchical levels as shown in figure 9 In order to go through those levels and to have access to their corresponding parameters use the instrument front keys which have the following functions Key Function ENTER Enters into a level UP Switches to a higher level DOWN Switches to a lower level Note in the following diagrams the Station displays are represented by rectangles in response to the selection...

Страница 18: ...el keys have the following functions Tecla Função UP Scrolls the options in ascending order DOWN Scrolls the options in descending order ENTER Confirms or advances the options within the level whenever the display does not show ESC When ESC is shown on the display it goes back one or more positions Note When accessing any parameter of the configuration level the Station shows the option or value c...

Страница 19: ...P r e s y s PRESYS Instruments DCY 2058 and DCY 2059 Operation Page 17 3 2 1 Level 1 General In level 1 we have the options TAG SOFT PASS TYPE and ST CO see figure 10 Fig 10 GENERAL Level Options ...

Страница 20: ...ic Station the output works only in automatic mode and the output always retransmits the input signal In the Auto manual Station the output works in both modes The selection between the automatic and manual modes is made through the A M key The transference from the automatic mode to the manual mode is bumpless that is the output value remains at the same value it was prior to the transference Not...

Страница 21: ... 19 The adjustable parameter ranges shown on figure 10 are given below Mnemonic Parameter Adjustable Span Factory Value Unit TAG instrument identification 999 to 9999 2058 2059 SOFT software version 1 31 VALUE user password 999 to 9999 0 MANL start up output 0 to 100 0 ...

Страница 22: ...nput The Input Level allows to select the sensor type for each channel The sensor types available are the linear inputs 0 to 5V 0 to 10V 0 to 20 mA as illustrated in figure 11 4 to 20mA input belongs to the 20mA option 1 to 5VDC input belongs to the 5VDC option Fig 11 INPUT Level Options ...

Страница 23: ...ed to LIM LOW 999 to 9999 0 0 EU ENG HIGH display indication associated to LIM HIGH 999 to 9999 100 0 EU OFFSET constant added to display indication 999 to 9999 0 EU FILTER time constant of first order digital filter 0 0 to 25 0 0 0 second EU Engineering Unit The scale is configured SCALE option using two points P1 LIM LOW ENG LOW and P2 LIM HIGH ENG HIGH according to figure 12 LIM LOW represents ...

Страница 24: ...ocess variable and showing slightly different readings The OFSET parameter may be used to equalize instrument measurements FILTER this parameter provides the time constant for a first order digital filter associated with the selected input Whenever no filtering of the input signal is desired zero should be assigned to this parameter 3 2 3 Level 3 Output Level 3 allows the output types to be config...

Страница 25: ...output indication span 0 0 to 105 0 20 0 100 0 0 0 0 0 ENG LOW Output indication that corresponds to the mnemonic ENG LOW of the INPUT level 999 to 9999 0 0 EU ENG HIGH Output indication that corresponds to the mnemonic ENG HIGH of the INPUT level 999 to 9999 100 0 EU VAR Slew rate of the output signal 0 00 to 99 99 0 00 s EU Engineering Unit The output 1 and 2 indication can be configured in engi...

Страница 26: ...rs PT X are in ascending order Therefore in a linearization of 5 points one should configure PT 0 to PT 4 and LIN 0 to LIN 4 besides setting parameter PT 5 to 0 0 to break the ascending order VAR this parameter prevents the output signal from changing abruptly It determines the maximum rate that the signal can vary When configured to 0 00 s it is disabled and the output signal variation is no more...

Страница 27: ... with a normally opened valve i e 4mA maintains the valve opened Thus the 100 indication on the display refers to the maximum flow through the valve which corresponds to the instrument 4 mA output 3 2 4 Level 4 Calibration Level 4 is described on section 4 4 on Calibration 3 2 5 Level 5 RS Refer to the communication manual ...

Страница 28: ...ay Board is located on the Station front panel The front panel is provided with four internal retaining brackets located on the four corners which keep the CPU Board and the Power Supply Board attached together A spacer is screwed between the CPU Board and the Power Supply Board to confer the set a higher rigidity To open the set follow the instructions below i Remove the screw attaching the space...

Страница 29: ...ted on figure 17 Fig 17 Location of Jumpers on the CPU Board Table 2 indicates the jumpers to be installed for the various types of inputs Check the required type of input and locate the jumpers as specified Make sure only those jumpers corresponding to the required input are installed Input Type Jumpers Channel 2 Channel 1 Voltage 0 to 5V J1 J4 J5 J7 Voltage 0 to 10V J3 J6 Current 0 to 20mA J3 J4...

Страница 30: ...and 2059 Stations may be provided with up to two output plus communication For that purpose the corresponding optional modules should be installed inside the instrument By opening the Stations as explained in section 4 1 one has access to 4 plug in connections on the Power Supply Board plus one plug in connection on the CPU Board see figure 19 Fig 19 Module Connections ...

Страница 31: ...al module code MSAN 20 Output 1 module is plugged in the connector called MOD 1 In case an additional analog output is required a second module is plugged in the connection called MOD 2 The analog output optional module is provided with two locations for the installation of jumpers J1 and J2 as illustrated on figure 21 Fig 21 Jumper locations on the Analog Output Board To configure the analog outp...

Страница 32: ...tion procedure access Calibration level 4 The calibration level is provided with a password system which prevents the inadvertent access to this level and the likelihood of damaging the Stations calibration parameters The access password to this calibration level is number 5 Once the calibration password is provided select the input type to be calibrated within the INPUT option Select the channel ...

Страница 33: ...Y 2059 Maintenance Page 31 In order to return to normal operation move back through the hierarchical levels until reaching level zero Figure 22 shows the input and output calibration options for calibration level 4 Fig 22 CALIBRATION Level Options ...

Страница 34: ...ltage input 0 to 10V connect an accurate DC voltage source to the channel to be calibrated terminals 1 and 3 for channel 1 or 4 and 6 for channel 2 The two voltage references listed on table 5 will be required Reference Mnemonic 0 0000V 0V 10 0000V 10V Table 5 Required voltages for the calibration of voltage inputs from 0 to 10V Calibration of current input 0 to 20mA In order to calibrate the curr...

Страница 35: ...erminal 15 with 4 terminal 16 with 6 voltage 0 to 5V terminal 13 with 2 terminal 14 with 3 terminal 15 with 5 terminal 16 with 6 Table 7 I O terminal connections for output calibration Now enter level 4 and select which of the two outputs will be calibrated Select the output signal 0 to 20mA 0 to 5V or 0 to 10V and press ENTER The display will show the mnemonic corresponding to the first calibrati...

Страница 36: ...est routine to check the RAM and E2PROM integrity Should any of these components have problems the display will show the following error codes Err 1 RAM error Err 2 E2PROM error In case of a RAM error turn the instrument off and then turn it on again to check whether the error message persists If affirmative return the instrument to factory In case of an E2PROM error press ENTER and reconfigure th...

Страница 37: ...Points of Flat cable 1 Voltages 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 point 9 and point 13 24V Between point 12 and point 11 5V Table 8 Inspection points of voltage on flat cable 1 Fig 23 Voltage Test Points of the Station In case the problem is not found the instrument should be returned to factory for ...

Страница 38: ...03 0009 21 Ceramic disk capacitor 100 pF X 100V 50V C12 13 14 01 03 0036 21 Multilayer ceramic capacitor 0 01uF X63V C24 01 03 0035 21 Multilayer ceramic capacitor 0 1uF X 63 V C6 7 01 03 0039 21 Polyester capacitor 0 1uF X 250 V C1 3 01 03 0040 21 Polyester capacitor 0 01 uF X 100 V C15 17 01 03 0041 21 Polyester capacitor 0 01 uF X 250 V C4 5 01 03 0038 21 Radial electrolytic capacitor 10 uF X 1...

Страница 39: ...4053 U15 01 01 0021 21 74HC02 U13 01 01 0022 21 74HC138 U8 01 01 0023 21 74HC365 U10 01 01 0024 21 74HC373 U5 9 11 12 01 01 0045 21 80C32 U4 01 01 0026 21 AD706 U16 01 01 0027 21 AD 712 U17 01 16 0001 11 Crystal 11 0592 Mhz 20 X1 01 09 0013 21 Transistor BC 327 Q2 3 4 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 ...

Страница 40: ...1 Flat Cable 15 ways FC1 I O Terminal Board Code Components Reference 01 05 0049 20 I O terminal board 01 09 0015 21 BC 337 U1 01 13 0002 21 Terminal CN1 2 01 13 0003 21 Connector P1 2 Analog Output Board Code Components Reference 01 05 0055 20 Analog output board 01 01 0060 21 OP200GP U2 01 01 0065 21 Optical coupler LTV817 U1 3 01 09 0006 21 TIP 117 Q1 01 09 0015 21 Transistor BC 337 Q2 01 09 00...

Страница 41: ... 21 Resistor 3K3 5 R14 01 02 0080 21 Resistor 4K7 5 R1 01 17 0001 21 Pin bus 2 x 2 J1 2 01 17 0004 21 Pin bus 2 x 2 CN1 2 01 17 0002 21 Jumper Selected 01 06 0004 21 Coil 4 7 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 Engineering Units Card Code 02 10 0003 21 CPU Board 405...

Страница 42: ...P r e s y s 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 ...

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