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Omega Engineering wall mount Multi-Channel DPS3300 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    http://www.omega.com e-mail: info@omega.com DPS3300 Series wall mount Multi-Channel Process Scanner[...]

  • Page 2

    TABLE OF CONTENTS Page 1 SPECIFICATIONS ................................................................................................................. ............................................... 3 DESCRIPTION .................................................................................................................... .................[...]

  • Page 3

    TABLE OF CONTENTS Page 2 Electro-Mechanical Relay Option ................................................................................................ .................................... 22 Figure 2. Electro-mechanical Relays Hoo kup Example ............................................................................. .................. 22 FIG-[...]

  • Page 4

    Page 3 SPECIFICATIONS (Typical @ 25C and rated supp ly voltage unless otherwise specified) STANDARD INPU TS * 4-20m a 0-50m a 0-5Vdc 0-10Vdc * Thermocoupl e inputs: J, K , T, E, R, S, a nd B * Cold junct ion com pensation err or: +/- 1C (10C to 40C ) * Open inp ut indicati on: HELP di splaye d * Temperature displayable in Degrees C or F * Non-stand[...]

  • Page 5

    Page 4 NOTE DPS3304 & DPS3314 are four channel units. Therefor e, any reference to channel numbers with respect to these models is for channels 1 through 4 only . DPS3307 and DPS3317 are seven ch annel units, and therefore, any reference to channel numbers for these models is for channels 1 through 7. DPS3304 & DPS3307 are base models that [...]

  • Page 6

    Page 5 DESCRIPTION DPS3300 Series instruments are multi-channel scanners that p ack a number of fun ctions into one un it. Tasks that require multiple monitors can now be accomplished by usi ng only a sing le unit. Si gnals from a num ber of different transducers can be brought into screw terminals that are convenien tly located on the back panel o[...]

  • Page 7

    Page 6 DISPLAYING PARAMETERS DPS3300 Seri es keeps track of various pa ramete rs and these m ay be displaye d by pushing ap propriate key s on the fro nt panel. The parameters that are tracked are: a) Channel' s high peak d) Channel wi th the lowe st reading b) Channel' s low peak e) Process devi ation of each c hannel from pre-program me[...]

  • Page 8

    Page 7 DISPLAY MODES DPS3300 Series has multiple display modes and can be programmed to either scan, display the chann el with the highest reading, displ ay the chan nel with the l owest readin g, deviat ion between channel's proc ess variable a nd a pre-pro grammed setpoint, di fference betwee n any two select ed channels or just run as a t i[...]

  • Page 9

    Page 8 Scan Mode When setup f or scan mode, i ndividual channels are displayed for a progra mmed period of time. At the end of that time period the, display automatically switches to the next chann el. For ease of reading, the display first shows th e channel number (Form at: 'CHANEL 1' ) and the n the process varia ble along with the pro[...]

  • Page 10

    Page 9 Deviation Mode In deviation display mode, DPS3300 Series will show the differential between a pre-programmed setpo int and process variable bei ng monit ored on each chan nel by the sca nner. Indi vidual setpo int for each ch annel is prog rammed du ring CH Setup and can be any value over the range of selected scale or the rmocouple being us[...]

  • Page 11

    Page 10 To get into S ETUP mode , push the SET UP key twice. The first push displays el apsed time and the second p ush brings the unit into the SETUP mode. SETUP mode is indicated by 'SETUP' in t he display window (t he SETUP LE D indicator will also be illuminated) followed by 'ENtR PC' (for ENt e R P ass C ode). The passcode [...]

  • Page 12

    Page 11 NOTE: To exit from any point dur ing SETUP procedure or to save the newly made changes, simply press and hold the RESET key until the display shows 'SAVING '. When the display shows 'SAVING', it is indicating that the unchanged and the newly m ade changes are being save d in the EEPR OM for pe rmanent st orage. It is imp[...]

  • Page 13

    Page 12 Setup For High Scale After setting a channel's decimal point position , the next parameter to be set is Hi Scale. This parameter determines what number will be displayed when the transducer puts out its maximum signal. For example, suppose a pressur e transducer pr oduces a 0 Vdc to 10Vdc si gnal which c orresponds t o 0psi to 150psi. [...]

  • Page 14

    Page 13 For High Scale ) to set the desi red TARE num ber. Once the desi red TARE val ue is displ ayed, push SETUP key to enter that value and go to setup Set point. Setup For Setpoint After setting a channel's TARE, the next parameter to be set is channel's SETPOINT. SETPOINT is used in Deviation Display mode. In this mode the display is[...]

  • Page 15

    Page 14 When this parameter is set for "Normally Open", the relay is open when it is deactiv ated (readings are below LIMIT), a nd closes when the cha nnel reading exceeds its LIMIT value. When this parameter is set for "Normally Closed", the relay is closed when it is deactivated (readi ngs are below LI MIT), and open when chan[...]

  • Page 16

    Page 15 Setup Examples Example #1: Use of the OFFSET Parameter Setup for a 4-20ma transducer signal cor responding to 0-500 gallons of fluid (reading in 10th of a gallon reso lution): D E C I M A L P O I N T = 9 9 9 . 9 HIGH SCALE = 500.0 L O W S C A L E = 0 0 0 . 0 O F F S E T = 4 . 0 0 0 T A R E = 0 . 0 0 0 Example #2: Use of th e LOW SCALE Param[...]

  • Page 17

    Page 16 The channel numbers in Display Option #6 start with 'CH1 dI F' and go up to 'CH7 dIF' ( CH4 dIF for 4 channel units). Following this the display jumps b ack to Option #1 (elapsed time), and the cycle is repeated. Setup For Display Time The next pa rameter t o be set is DI SPL AY TIME. This determ ines the number of secon[...]

  • Page 18

    Page 17 Setup For Channel Calibration After setting the Cold Junction Referen ce temp erature, the next step is a display of channels for calibration purposes. This allows easy calibration of each channel withou t the instrument scanning to the next channel. The display will show th e channel input reading in the form 'x-nnnnn' where x=ch[...]

  • Page 19

    Page 18 3. Adjust the gain pot of the instrument un til the display reads '1100' . 4. Short cha nnel #1' s input wi th a wire or s horting bar. 5. Push DIFF key. The display will read '0002' --- or som e other value . 6. Adjust offset pot of instrument u ntil the display reads '0000 ' . 7. Push SETUP key -- the di[...]

  • Page 20

    Page 19 Once the desired channel has been selected, push 'HI/L O' key. Push ing it once will show the high peak attained by th e selected channel. Pushing it a second time will indicate the lo w process value (NOTE: The second push, to display valley, must be initiated before the display reverts to normal display mode). Before displaying [...]

  • Page 21

    Page 20 DPS3317 7 Channel Unit DPS3314 4 Channel Unit ENTER PASSCODE -- 3 254 SYS CH SELECT CHANNEL IP TYPE DISPLAY OPTI ON (Select one) ELAPSED TIME SCAN HIGH CHANNEL LOW CHANNEL DISPLAY DE VN. CHANNEL DIFF. DISPLAY TIM E RELAY LATCH/NON -LATCH AUDIO ALA RM ON/OFF COLD JUNCTION CH. CALIBRATION VOLTAGE RANGE CURRENT RANGE HI VOLTAGE CURRENT ‘J’[...]

  • Page 22

    Page 21 DPS3307 7 Channel Unit DPS3304 4 Channel Unit ENTER PASSCODE -- 3 254 SYS CH SELECT CHANNEL IP TYPE DISPLAY OPTI ON (Select one) ELAPSED TIME SCAN HIGH CHANNEL LOW CHANNEL DISPLAY DE VN. CHANNEL DIFF. DISPLAY TIM E RELAY LATCH/NON -LATCH AUDIO ALA RM ON/OFF COLD JUNCTION CH. CALIBRATION VOLTAGE RANGE CURRENT RANGE ‘J’ T/C CR.AL T/C (K) [...]

  • Page 23

    Page 22 RATE DPS3300 seri es tracks the rat e of process c hange/minut e for each chan nel. This rate is displayed by first pushin g the CH. SEL key to select the channel whose rate is desired. Once the chann el has been se lected, push DATA key. The display will briefly read 'cx-rate' (x=channel #), and th en the monitored rate for that [...]

  • Page 24

    Page 23 NOTE: LOOK UNDER SPECIFICATIONS FOR THE RATING ON RELAYS AND OPEN COLLECTOR OUTPUTS. UNDER NO CONDITION SHOUL D THE RELAYS AND OPEN COLLECTOR OUTPUTS BE OPERATED BEYOND THEIR RAT ED CAPACITY. DOING SO C AN DAMAGE THE UNIT PERMANENTLY. The status of the relays for all the cha n nels is indicat ed on the front panel by a row of LEDs. Whenever[...]

  • Page 25

    Page 24 8 9 10 11 12 13 6 5 4 3 2 1 7 14 POWER Power connection should be made to the three terminal connector as shown in figure 3. Also, make note that it is very important that the power line inputs and th e power ground are not switched. Doing so will permanently damage the instrument. Refer t o Figure 3 for proper co nnections. For convenience[...]

  • Page 26

    Page 25 DIRECT INTERFACE TO UNIVERSAL RELAY MODULE A special feature in the DPS3 300 series units allows direct interfacing with Universal Relay Module (Model RELAY- URM400/800) – via a se rial interface. The serial interface is av ailable at a separate conne cto r (as shown) in the term inal compartment. RELAY-URM400/8 00 series rela y module is[...]

  • Page 27

    Page 26 TROUBLE SHOOTING If the met er locks on a part icular di splay, unp lug and pl ug in again to unlock the display. A total reset clears the memory and defaults all values to zero. To pe rform this reset, re -apply powe r with RESET key pressed i n. Factory Channel settings: To obtain factory preset values simply re-apply power with S DIG T k[...]

  • Page 28

    Page 27 MOUNTING Figure - 4. Rear View And Mounting Hole Locations 120mm 4.72” 151mm 5.94” SLOTS IN TERMINAL COMPARTMENT FOR MOUNTING SCREWS MOUNTING SCREW SLOTS PICTURE HANGING -TYPE FIXTURE FOR MOUNTI NG SCREW[...]

  • Page 29

    Page 28 WARRANTY[...]

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    Page 29[...]

  • Page 31

    Page 30 M4302/0306[...]