Specifications – Installation and Operating Instructions
Contents
1. 0 0 000s 5 13 1 LOCAtOMN S521 sce eee a a e eee dace ded 5 1 3 2 Pressure Model Locking Pins 00 5 1 3 3 Connecting DCP to Master Controller 5 1 34 DEP Connections popost iteris mimi aeewaeenadan 5 1 3 5 DCP Maintenance 0 cece eee 5 1 4 Alarm Mode Switch Connection 4 5 1 4 1 Alarm Reset Switch Connection 5 1 4 2 Connecting the 4 20 mA Loop 00 5 1 4 3 Connecting the Alarm Relay 0 020005 6 1 5 Three Position Selection Switch Wiring 6 2 0 Programming the DCT1000DC Master Controller 2 00 cece eee eneee 6 2 1 LastOutput Setup siaaa doar ete una dence daa ace cont 6 2 2 Time Off Setup circ cea eee ere eee eed 6 2 3 Time ON Set p sce sect ret a ed nemit miiai aii 6 2 4 High Limit Setup sec cp aed nee 7 2 5 Low Limit Setup cas crc tuiieam moia eniai aia 7 2 6 High Alarmi Setup a sc35i0 aa we sasecdageea anges 7 2 7 Low Alarm Setups s cuite itama weenn iei eee 7 2 8 Cycle Delay Setup 10 0 0 eee 7 2 9 Down Time Cycles Setup 0 00 0 cee eee eee 7 2 10 Auto Alarm Reset Setup 00 e eee eee 7 3 0 Maintenance Support and Diagnostics 7 3 1 Restoring Factory Defaults 0 00008 7 3 2 Power Indicator aosi saroi cato tayanip iua eee 7 3 3 Active Channel Indicator 0 00 eee eee 7 3 4 Comm Check Indicator 00 0 eee eee eee 7 3 5 Emor CodeS ie daea aaa a ka E2. ON DEMAND 1 4 3 Connecting the Alarm Relay With the pressure module installed a relay contact is provided for controlling an external alarm This relay is a single form A contact It is activated when either the high alarm threshold is exceeded or the pressure drops below the low alarm threshold The connection is made at the two pin connector TB5 See Figure 2 Wiring Connections 1 5 Three Position Selection Switch Wiring An optional mode selection switch is available with the weather proof enclosure With this switch the user may select either contin uous cleaning on demand cleaning or off This switch is supplied factory wired as shown in Figure 4 The switch has a front and rear section The front section consisting of two independant contacts controls the power to the board These contacts must be wired in parallel as shown in the diagram The rear section controls the manual override which when closed will force the system into a continuousmuct be reconneccted follow the wiring dia gram Caution Do not interconnect the low voltage manual override leads with the power leads This will destroy the control board as well as pose a Serious shock hazard 2 0 Programming the DCT1000DC Master Controller We ve made it easy to navigate the DCT1LOOODC Menu items can be accessed simply by pressing the SELECT button The menu item t
3. a uwe ae oe ee BATT escece 4 cae Sioa rh ov eo is s 4 l cioeRRErEEr 45 W CA BEE E FP oul Aiii Bulletin E 97DC Series DCT1000DC Dust Collector Timer Controller Specifications Installation and Operating Instructions mt E i gerr Fi Fi A FI 31415 16171819 28 2 OUTAT 24 wa Thank you for purchasing the Dwyer DCT1000DC Dust Collector Timer Controller You have selected a state of the art dust collector timer control that will provide years of dependable operation and service The Dwyer DCT1000DC Dust Collector Timer Controller was designed to be used with pulse jet type dust collectors for on demand or continuous cleaning applications Continuous cleaning applications do not require external inputs and can be used for time based on demand cleaning through use of the cycle delay feature For on demand applications the plug in pressure modules DCP100A 200A can be used to take full advantage of all the fea tures the DCT1000DC offers or an external pressure switch can be used for High Low limit control The Dwyer DCT1000DC was designed so that it is easy to use thus allowing for a quick and easy start up for your dust control applications The contents inside this installation and operating manual will guide you through the features of the DCT1000DC and how they can be applied to get the most out of your dust control requirements DWYER INSTRUMENT
4. A ees 8 4 0 Glossary of TermS 0000cnnenaanne 8 Customer Service Phone Number 45 8 1 0 Installing the DCT1000DC The open frame design of the DCT1000DC will require an enclosure that meets appropriate safety and local code requirements For optimal performance the enclosure should also protect the con troller from dirt water and direct sunlight There are no special ori entation requirements and the controller mounts easily using the mounting holes on the factory installed base plate Caution Do not run control wires communication cables or other class 2 wiring in the same conduit as power leads The system may malfunction if class 2 wiring is run together with power conductors 1 1 Power Requirements The DCT1000DC requires 10 to 30 VDC supply power The sole noids must be matched to supply voltage DO NOT exceed 35V because transient suppression circuitry will begin to draw high cur rent 1 2 DCT1000DC Terminal Connections The line and solenoid connections are located at the lower edge of the board below the plastic guard The terminal block is a Euro style connector system that clamps the wire within the connector body The connector will accept wire sizes from 14 to 22 AWG The wire should be stripped to no more than 0 25 inches to avoid shorts To assist you in determining the proper strip length a strip gauge is provided at the lower right corner of the board The con nector system used on the
5. and that each slave board is responding properly on the daisy chain 3 5 Error Codes Error codes will be displayed on the three digit display when cer tain faults occur Most of these indicators are associated with the daisy chain communication but certain error codes pertain to sin gle board operation also These codes are Display Meaning f Action Required Err 2 Err 3 Internal Error Contact the factory Er 9 This is a watchdog reset that is enabled when the master controller isn t able to cycle through its opera tion The pressure module has failed to respond to the request of the master controller Communication error in the daisy chain interface This will only appear when the master con troller is used in conjunc tion with a slave board The master controller has detected a change in module configuration or a fault in one of the mod ules If the fault described in Err 4 is not corrected the master controller will reconfigure the modules that are responding prop erly and operate at a degraded condition A message error affecting the software of the mas ter controller or one of its modules Indicates that one of the triac drivers are not func tioning Unassigned message code Make sure all electrical con nections are appropriately shielded so the master controller is not disrupted by noise The master controller will try to recover from the fault If unsucc
6. mode dependent on solenoid time on off settings and time set between complete cycles e Manual Override Allows the user to override the DCT1000DC remotely or from the master controller panel through use of a switch or a wire jumper e Slave Board A channel expander that is used in conjunction with the master controller to accommodate additional solenoids on larger dust collection systems It can be recognized easily as it does not have the on board display panel or the power supply present A master con troller may also be used as a Slave board Still need help Please feel free to contact one of our customer service representatives or visit us on the web at www dwyer inst com Thank you for choosing Dwyer Instruments Inc 8 Copyright 2009 Dwyer Instruments Inc Printed U S A 7 09 DWYER INSTRUMENTS INC P O BOX 373 MICHIGAN CITY INDIANA 46361 U S A FR 443123 05 Rev 2 Phone 219 879 8000 Fax 219 872 9057 www dwyer inst com e mail info dwyer inst com
7. C These series of modules are available in 10 w c 2 49 kPa or 20 Seam k w c 4 98 kPa ranges which allow for differential process pressure Pressure Limit 10 psi 68 95 kPa measurement as indicated on the display of the master controller Pressure Limit differential 10 psi 68 95 kPa An isolated 4 20 mA readout channel is provided for remote pres Accuracy 1 5 F S 73 F 22 8 C sure display The 4 20 mA output may be wired either for use with Output Signal 4 20 mA an external power supply and indicator or using the isolated on Alarm Contacts 1 5A inductive load 3A resistive load 30 VAC board 24 volt power supply to power the loop or 40 VDC Process Connections Two barbed connections for use with 1 8 3 18 mm or 3 16 4 76 mm I D tubing Weight 5 5 0z 155 9 g Table of Contents Page No Figure 1 Dimensional Specifications 2 1 0 Installing the DCT1000DC 3 Ll Power Requirements 00 0000 c eee eee eee 3 1 2 DCT1000DC Terminal Connections 3 1 2 1 External Pressure Connection 0 00000 3 1 2 2 Manual Override Switch Connection 4 1 2 3 Down Time Clean Connection 00 4 1 2 4 Connecting Multiple Timer Boards 4 1 2 5 Continuous Cycle Mode 0 c eee eee 4 Figure 2 Wiring Connections 00005 4 1 3 DCP Installation siss scrire Phe a area irisi 5 Figure 3 DCP Installation
8. DCT1000DC is specified for single con nection but you can piggyback to a single lug provided that local codes allow for this and good workmanship practices are followed To power up the master controller and the channel expander con nect line power to and see Dimensional Specifications Figure 1 Connect the solenoids between the selected output and the solenoid common Solenoid common and are internally con nected Switches connected to the control inputs at the top of the board must be isolated contacts connected only to the relevant ter minal and to the common terminals The following subparagraphs describe the external switch connections Refer to figure 2 for switch connection illustration 1 2 1 External Pressure Connection The controller may be used with an external pressure limit switch or sensor to provide demand cleaning operation The high limit and low limit inputs may be used for this purpose A simple on off sys tem can be established with a single pressure switch connected to the high limit input In this on demand mode time on time off and cycle delay may be programmed to define the cleaning cycle A three pin terminal block TB3 provides connection for external high and low limit switches see Figure 2 on the next page These switches must be isolated contacts The common line must not be connected to equipment ground or protective ground since these may introduce electrical noise and cause improper operatio
9. Ds 0510 0407 D409 D412 D455 D457 D513 0S1 17 D519 n ae n i m aai senj a502 isi oer aii DATE CODE 111 4 15 16 17 18 19 21 22 THIS UNIT MUST BE ENCLOSED njn njanja M M Mm USE 14 20 AWG COPPER ONLY uju ujuju u L L FOR CONNECTIONS TORQUE TERMINALS TO 5 IN LB SS99999999999999999998980000Q ne ve 443107 28 9 250 MAX u SOLENOID he DO NOT USE SLOW BLOW FUSES GX SL 1 23 4 5 6 7 910 11 12 13 14 15 16 171819 20 2122 INPUT VOLTAGE COM D OF 1 VDC MIN TO 35 VDC MAX OUTPUTS 3A MAX WIRE STRIP GAUGE 8 1 4 209 55 8 3 4 222 25 Figure 1 Dimensional Specifications for the DCT1000DC shown with optional module DC P100A 1 13 16 46 04 e 1 teas eaj eso A os pa MODEL DCPIOOA 2 7 16 RANGE 0 20 IN H20 61 91 _ MAX OVERPRESSURE 10 PSI CAUBRATION MADE IN USA SEE MANUAL Bayer SPAN ZERO a i The Dwyer DCP100A or DCP200A pressure modules are SPECIFICATIONS o e w o p i eoe Dust Collector Pressure Ranges 10 w c or 20 w c imer Controller boards for on demand cleaning requirements Temperature Limits 40 to 140 F 40 to 60
10. Pressing SELECT will change the setup mode to Time Off Setup 2 2 e Time Off Sec Time off defines the period of time between solenoid activations when no channels are enabled This may be set between one sec ond and 255 seconds The factory default is 10 seconds The dis play will show the current time off setting when the time off setup mode is entered The value may be changed using the Up and Down buttons Pressing both UP and DOWN simultaneously and holding for approximately four seconds will restore the default value of 10 2 3 Time On msec Time On Setup sets the solenoid on time The display will indicate the currently programmed time on setting This is measured in mil liseconds Using the UP and DOWN buttons the value may be changed The value may be set between 10 msec and 600 msec in 10 msec increments Pressing the UP and DOWN buttons simultaneously for approximately four seconds will restore the fac tory default value of 100 msec Pressing the SELECT button will advance the setup mode to the High Limit setup if the pressure module is installed With no pressure module it will step to Cycle Delay Setup 2 4 High Limit Only available when DCP connected The High Limit Setup available only with a pressure module installed sets the pressure at which the cleaning cycle will begin This value may be between zero and the pressure module full scale pressure Normally t
11. S INC P O BOX 373 MICHIGAN CITY INDIANA 46361 U S A SPECIFICATIONS DCT1000DC Timer Controller Output Channels 6 10 amp 22 channels Power Requirements 10 30 VDC Solenoid Supply 3A maximum per channel Fuse 3A 250 VAC Temperature Limits 40 to 140 F 40 to 60 C Storage Temperature Limits 40 to 176 F 40 to 80 C On Time 10 msec to 600 msec 10 msec steps On Time Accuracy 10 msec Off Time 1 second to 255 seconds 1 second steps Off Time Accuracy 1 of the value or 50 msec whichever is greater Weight 1 lb 3 0 oz 538 6 g www dwyer inst com e mail info dwyer inst com Phone 219 879 8000 Fax 219 872 9057 HIGH Low ALARM MAN DT ALARM LIMIT COM LIMIT COM MODE OVR CLN RESET COM OPROCESS in 4 0 OLAST OUTPUT OTIME OFF SEC OTIME ON SEC SETUP STATUS Onich Limit UP ORUN OLOW LIMIT ALARM OHIGH ALARM RESET OLOW ALARM O CYCLE DELAY MIN MANUAL O DOWN TIME CYCLES SELECT OVERRIDE en fe OAauTO ALARM BESET SEC DOWN MODEL DCP200 10 5 0518 0522 0524 Gai se 0511 D408 Da Das D456 Dass 0514 0516 eer is bad ihe ad e a503 i 521
12. essful replace the pressure module Make sure the control cable used in the daisy chain interface is properly shield ed from noise Reinstall all modules in accordance with the instructions in the factory IOM Reinstall all modules Contact factory if the prob lem persists Check the integrity of all connecting cables used to drive slave boards for addi tional solenoids Also check the electrical ground ing of the system installa tion Return to factory for evalu ation and repair Contact the factory 4 0 Glossary of Terms e Run Mode The term used when the timer board is firing the sole noids e Pressure Module The pressure measurement subsystem that includes the software and hardware for on demand cleaning alarms and signal retransmission of the process variable i e the differential pressure across the dust bags e Master Controller The primary timer board that contains all of the major features connections for external inputs and power to drive the DCT1000DC Dust Collector Timer Controller system Power DC Guard A plastic shield that covers the output triacs and other line voltage circuitry e Demand Cycle Mode A process in which the run mode is enabled through the on board pressure module or an external switch e Euro Connector A caged connection used to terminate sole noids incoming power or external switches on the DCT1OOODC e Continuous Cycle Mode A time based cycling
13. hat you are currently accessing is indicated by the illumination of an LED To change menu items all you have to do is push UP to increase a value or push DOWN to decrease a value There are no keystrokes that you need to memorize special combinations or passwords that are required The master controller is equipped with an on board display and programming information center The controller will power up with the process indicator illuminated If a pressure module is installed the display will indicate the measured pressure in inches of water w c otherwise it will normally be blank Figure 4 Three Position Selection Switch Wiring 2 1 Last Output The Last Output setup selects the last channel to be activated When first selected the display will flash the last output available in the system With single board installations this will be the number of channels installed typically 6 10 or 22 This value becomes more important when multiple modules are installed The last out put value flashed will be the sum of all channels available in the sys tem After the last available channel indication has completed the cur rently programmed last channel value is displayed This value may be changed using the UP and DOWN buttons The minimum value is one while the maximum value is the maximum number of installed channels including all expansion modules The default value is the maximum number of channels
14. he High Limit should be above the Low Limit If however the High Limit pressure is set below the Low Limit the cleaning cycle will begin when the High Limit is exceeded and stop when the pressure falls below the High Limit The Low Limit in this case will have no effect Pressing SELECT will change the system to the Low Limit Setup mode 2 5 Low Limit Only available when DCP installed The operation of the Low Limit available only with a pressure mod ule installed is identical to the High Limit except this value sets the pressure where the cleaning cycle will end The upper settable value is the calibration pressure of the pressure module and the lower limit is zero Pressing SELECT will change the system to the High Alarm Setup mode 2 6 High Alarm Only available when DCP installed The operation of the High Alarm Setup is identical to the High and Low Limit Setup and is only available when a pressure module is installed The High Alarm default is 0 The upper settable value is the full scale pressure of the pressure module and the lower limit is zero Pressing SELECT will change the system to the Low Alarm Setup mode 2 7 Low Alarm Only available when DCP installed The operation of the Low Alarm Setup is identical to the High and Low Limit Setup The Low Alarm default is 0 The upper settable value is the full scale pressure of the pressure module and the lower limit is zero Pressing SELECT will cha
15. installed if required Hot plugging the pressure module into an operating system may damage the system or cause the calibration parameters to be erased When installing or removing the module make sure to orient the module straight with board Installing or removing the module at any angle may break the alignment pins Caution Do not force the module into the connectors Forcing the insertion may damage the connectors Properly aligned the module should snap into place 1 3 4 DCP Connections When a pressure module is installed the 4 20 mA process signal and the alarm relay contacts are available The 4 20 mA circuit is isolated from ground and other signals The alarm relay contacts are isolated normally open contacts Pressure connections may be made to the stepped hose barbs with either 1 8 3 18 mm or 3 16 4 76 mm I D tubing 1 3 5 DCP Maintenance The pressure module should require very little maintenance under normal operational conditions However periodic calibration may be desirable to assure accuracy of the readings The module may be removed and returned to the factory for calibration 1 4 Alarm Mode Switch Connection The auto alarm reset is controlled by the alarm mode switch con nection To enable the auto alarm reset the alarm mode input must be connected to a common connection A jumper may be used when auto alarm reset is always active A switch may be used if there are times that the auto alarm reset mus
16. isy chain in connector of the first slave board Subsequent slave boards are connected from the daisy chain out connector on one board to the daisy chain in on the next The master controller must then be configured to the sys tem requirements The display and status indicators of slave boards are automatically disabled Caution Do not use telephone jumper cables These have a twist in the connection and may damage the controllers Cables designed for use with the DCT1000DC are available from Dwyer Instruments Inc 1 2 5 Continuous Cycle Mode The DCT1000DC has several operating modes available for differ ent applications Starting with the most basic mode it is capable of operating in a continuous cleaning cycle This can be initiated by either placing a jumper between the high limit input and the com mon or the manual override input to the common connection Controlling this cycle are three setup parameters time off time on and cycle delay Time on and time off specifically deal with the sole noid on time and the time interval between the end of the on pulse and the start of the next The cycle delay allows a delay of up to 255 minutes to be programmed between the end of one complete cleaning cycle and the beginning of the next This allows additional options for defining a cleaning profile 1 3 DCP Installation Caution Prior to installing the DCP100A 200A please review the operating specifications carefully Some operating s
17. n or possible damage to the control board The operation of these inputs are summarized as follows see next page Current 0 Transition from open to closed Transition closed to open X Either open or closed Note If a DCP7100A or DCP200A pressure module is installed in the master controller the switching functions are ignored 3 NORMALLY OPEN CONTRACTS 4 20 mA CONNECTIONS ECEIVEI USING DCT1000 24V SUPPLY _ m MASTER CONTROLLER ECEIVEI OPTIONAL CONNECTION USING EXTERNAL ST POWER SUPPLY __ 7 ALARM UPPLY f an MASTER CONTROLLER E INTERNALLY CONNECTED i efe a INPUT MUST NOT BE CONNECTED TO ADDITIONAL EXPANDER MODULES 4 LINE Pur SOLENOIDS INTERNALLY CONNECTED SLAVE BOARD 2 Figure 2 Wiring Connections INPUT 1 2 2 Manual Override Switch Connection The manual override function allows the system to be set to the run mode regardless of other conditions This mode is enabled when the manual override terminal and common are connected It is dis abled when they are disconnected If the controller is to be run in continuo
18. nd that each channel is provided with an LED that is illuminated when the triac switch is on This allows a visual correlation between the channel being pulsed and the operation of the solenoid 3 4 Comm Check Indicator The comm check indicator can be found in the upper right hand corner of the slave and master controller board just above the out terminal a telephone style connector This indicator is used for two purposes First on a master controller a brief flash once per sec ond is produced to indicate that the system is operating Second this indicator is used to show when the communication check oper ation is performed on slave boards The master controller will check each of the slave boards at a rate of about one inquiry per second starting with the slave board connected directly to the master con troller and ending with the last slave board in the chain The mas ter controller will flash its Comm Check LED for about 250 msec each time it makes a communication check The external module selected for test will also flash its Comm Check LED for about the same time each time it is interrogated Observing this test sequence will indicate that the communication between boards is operational When a slave board powers up the Comm Check LED will be illu minated continuously It will be extinguished when the master con troller has initialized its communication channel This indicator then shows that a master controller is operating
19. nge the system to the Cycle Delay Setup mode 2 8 Cycle Delay min The cycle delay inserts a delay time between the end of the last channel and the beginning of the first channel This may be set to between zero and 255 minutes The factory default is zero Setting the value to zero will disable the delay Pressing SELECT will change the system to the Down Time Cycles Setup mode 2 9 Down Time Cycles min The Down Time Cycles setup will select a value between zero and 255 minutes The factory default is one minute Selecting zero will disable the operation When the down time cycles is activated by shorting the down time cycles input to the common terminal see figure 2 the system will enter a forced cleaning mode for the pro grammed duration NOTE The cycle delay if one is programmed will not be inserted in the timing cycle Pressing SELECT will change the system to the Auto Alarm Reset Setup mode if a pres sure module is installed or to Process when no pressure module is available 2 10 Auto Alarm Reset sec Only available when DCP installed The Auto Alarm Reset Setup available only when a pressure mod ule is installed allows the auto alarm reset time to be selected This value may be set between zero and 255 seconds The factory default value is five seconds When the auto alarm reset is enabled by shorting the auto alarm reset terminal to a common terminal See Figure 1 the alarm will be reset afte
20. r the pressure returns to the normal range and the timeout has expired Pressing SELECT will change the system to Process mode 3 0 Maintenance Support and Diagnostics We have also included a number of features that will aid mainte nance personnel in diagnosing problems or verifying that the system is operating 3 1 Restoring Factory Defaults The DCT1000DC has been programmed with factory default values that meet most industry operating conditions In the event that you want to restore all of the parameters to the original factory default values 1 Return the master controller to the process mode 2 Press and hold both UP and DOWN buttons The display will indicate a 10 second countdown at the end of which all parameters will be restored to factory defaults Releasing the switches prior to the end of the count will stop the process and no modification will be made Likewise in each of the parameter setup modes pressing and holding the UP and DOWN buttons simultaneously will reset the individual default value leaving other settings unchanged 3 2 Power Indicator A power on LED indicator is provided at the center left edge of the board This will be illuminated when the power supply is operating properly If the power LED is not illuminated the primary power may be off or there is a fault in the power circuit 3 3 Active Channel Indicator Located just above the solenoid terminations you will fi
21. t be disabled The switch must be an isolated contact and wired such that no con nection is made between either of the wires and ground See Figure 2 Wiring Connections 1 4 1 Alarm Reset Switch Connection The alarm may be reset either by pressing the Alarm Reset button on the control panel or by an external switch connected between the alarm reset terminal and one of the common terminals The alarm reset will only operate if the pressure module is installed and the pressure has returned to a normal condition See Figure 2 Wiring Connections 1 4 2 Connecting the 4 20 mA Loop The pressure module provides an isolated 4 20 mA output which may be used to remotely monitor the differential pressure across the dust bags or cartridges The connection is made on the mas ter control module at the terminal block designated for this signal The connection is a 2 wire configuration with the option of using either an external 15 to 35 VDC power source or using the internal 24 VDC source See Figure 2 Wiring Connections HIGH Low ALARM MAN DT ALARM LIMIT COM Limit COM MODE OVR CLN RESET COM la o Oooo MASTER CONTROLLER OUTPUTS 3A MAX MODE SELECTION SWITCH REAR FRONT SECTION SECTION OFF o CONTINUOUS ok z peat
22. us mode a jumper wire may be wired across these termi nals When manual override is needed on a periodic basis wire a SPST toggle switch between the manual override terminal and the common terminal 1 2 3 Down Time Clean Connection The down time clean operation forces the system into a run cycle for a programmed length of time between 0 255 minutes The operation is initiated by connecting the down time clean terminal to a common terminal This function is best accomplished through use of an external normally open switch 1 2 4 Connecting Multiple Timer Boards The DCT1000DC is available with up to 22 channels on single unit Where the installation requires more than 22 channels the system may be expanded up to 255 channels by daisy chaining multiple controller boards The system will automatically detect the total number of channels and operate as a singel system To connect multiple boards together you will need one or more jumper cables Model DCA available from Dwyer Instruments Inc in various lengths These are connected to the telephone style con nectors at the upper right side of the controller boards One board in the system is designated as the master Subsequent units 4 SOLENOIDS become slave boards The master controller is the board at the head of the chain having no connection to its daisy chain connec tor Connect the cable from the daisy chain out connector on con nector on the master controller to the da
23. wo latching tabs Press these all the way into the channel The ends of the tabs will extend through the slots at the top of these channels Next insert the module in the board as described above making sure it is properly aligned and snaps firmly in place Press the exposed locking tabs down until the tab is seated behind the latch in the board To remove the mod ule slide the locking tabs up using a small screw driver then remove the module as described above See Figure 3 1 3 3 Connecting DCP to Master Controller The pressure module is attached to the Master Controller using integral connectors on both units The insertion ports for the pres sure module are located in the upper left quadrant of the DCT1000DC The pressure module can be removed by com pressing the retaining clips on each end of the module then gently pulling the module out of the controller board When inserting the module the following procedure should be adhered to insure proper installation e Examine the bottom of the pressure module and note the orien tation of the connectors e Align the module so that these connectors match the connector receptacles on the controller board Orient the module with the four alignment pins over their respec tive mounting holes e Gently press the module into the connectors and snap the retain ing clips on either end of the module into their slots e Always install and service this device with the power off and a lockout
24. ystems especially in pneumatic con veying applications may see static pressure or vacu um conditions that exceed the capability of the DCP100A 200A pressure module 1 3 1 Location The system should be located in an enclosure that meets relevant safety standards and electrical codes There are no other special orientation requirements as the pressure module is not orientation sensitive Care should be observed when routing the air hoses to ensure that any potential condensation or moisture will not drain into the sensor Where heavy condensation is present a drip loop or an in line filter should be installed to ensure long term operation a PRESSURE MODULE LOCKING PINS INSERTED ALL THE WAY INTO THE ALIGNMENT ae PINS T LOCKING PINS INSERTED FROM il UNDERNEATH MODULE ONLY CIRCUITI L BOARD Ll N Of E LJ nE INSERT LOCKING PINS UNTIL THEY SNAP FIRMLY IN PLACE Figure 3 DCP Installation 1 3 2 Pressure Module Locking Pins The DCP100A and DCP200A are supplied with locking pins to secure the module In normal operation these are not required since the latching tabs are sufficient to secure the module even in a high vibration environment However if the unit is to be shipped or used where severe mechanical shock could be encountered the locking pins ensure the module will not snap out of the board To install the locking pins from underneath the module insert one locking pin behind each of the t
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