Omega DPF75 SERIES User Manual Download

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www.omega.com

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User’s Guide

DPF75, DPF76

AND DPF78 SERIES

Rate/Totalizer

Shop online at

M1090 /071603

Summary of Contents for DPF75 SERIES

Page 1: ...www omega com e mail info omega com User sGuide DPF75 DPF76 AND DPF78 SERIES Rate Totalizer Shop online at M1090 071603...

Page 2: ...33 0 130 621 400 FAX 33 0 130 699 120 Toll Free in France 0800 4 06342 e mail sales omega fr Germany Austria Daimlerstrasse 26 D 75392 Deckenpfronn Germany TEL 49 0 7056 9398 0 FAX 49 0 7056 9398 29...

Page 3: ...E UNIT 13 SETTING THE RELAYS PRESETS 14 OUTPUT WIRING 15 ANALOG OUTPUT OPTION 16 RS232 RS422 SERIAL COMMUNICATIONS 17 RS232 RS422 WIRING 19 TROUBLESHOOTING GUIDE 20 UNPACKING Remove the Packing List a...

Page 4: ...rate batch and grand total The PRE A PRE B keys allow you to see and set the relay trigger points The lock key allows you to lock and unlock the keypad functions by entering the lock out code The PRO...

Page 5: ...unlock RELAYS STEP 5 DPF75 The DPF76 relays can only trigger on batch or total The DPF78 relays can only trigger on rate The DPF75 relays can be programmed to trigger on rate or total The relay setpoi...

Page 6: ...ramming is accomplished by using the front panel in conjunction with rear dip switches Accuracy 50uA worst case Compliance Voltage 3 to 30 VDC non inductive RS232 RS422SERIAL INTERFACE If the serial i...

Page 7: ...s than 125 of an inch thick the possibility exists that there will be some flexing Should this flexing occur the resulting deformation of the panel could cause a loss of the water tight seal In case t...

Page 8: ...ably at the D C ground terminal of the unit 3 Output lines The unit has two relay outputs When these outputs are used to run external relays or solenoids spikes can be generated upon activation This n...

Page 9: ...ons FTB600 Flow Meters Brown 1 COMMON 2 N O N C NPN 3 COMMON 4 N O N C NPN 5 A INPUT 6 B INPUT 7 11 to 19V 50mA OUT DC IN 8 DC GROUND 9 RESET INPUT 10 6 to 14V 50mA 11 A C INPUT 12 A C INPUT RELAYS A...

Page 10: ...l is being displayed See below on how to modify for Batch Count and B as a Grand Total Counter MILLIVOLT INPUT OPTION JUMPER SELECTIONS OUTPUT JUMPER SELECTIONS FUNCTION A RELAY N C OUTPUT B RELAY N C...

Page 11: ...LOWCHART NOTE Several programming selections will not appear with DPF76 and DPF78 units PRGM Press this key to step through menu choices ENTER RST Press this key to enter displayed value Start Here DP...

Page 12: ...A B INPUTS ARE SEPARATE A B are not added or subtracted A SUB B A SUBTRACT B The number of scaled pulses from Input B are subtracted from the number of scaled pulses from Input A 99999 TO 999999 A AD...

Page 13: ...reset A when in A NET B or A SEP B mode The relay will drop out when the rate of A falls below preset A A RELAY A DURATION This message will appear when A TOT is selected It is the duration which the...

Page 14: ...readout Solution Enter a Factor of 10 and for every 10 pulses 1 will appear on the display Set rate per second minute or hour as desired A conveyor carrying bottles must be controlled for bottle speed...

Page 15: ...TE only version Press the PRGM key to choose HIGH CPS 0 9 99KHz or LOW CPS 0 40Hz Press the ENTER key to enter the displayed choice This sets the decimal for factor B Press the arrow key under the dig...

Page 16: ...imal location for the A B counters Press the arrow key under the desired digit location To clear the decimal press the arrow key furthest to the right Press the ENTER key to enter the displayed loca t...

Page 17: ...ys under the desired digits to change Press ENTER to enter displayed value This sets the number of significant figures to be displayed Press the arrow key under the digit to change Press ENTER to ente...

Page 18: ...ce After CODE flashes the display will show the existing lock code To change the code press the key under each digit to be changed Press ENTER to enter displayed value Key in the lock code see program...

Page 19: ...This is the duration 1 to 99 9 sec that relay B will remain energized If 00 0 is selected the relay will latch until reset PRE A Preset A Final Preset The set point at which output A will trigger If t...

Page 20: ...atch is complete or the rate has exceeded a set speed The outputs are programmable to be assigned for rate or count When assigned to the count the relays can have a user selectable on time duration or...

Page 21: ...2 Select Count or Rate SW2 OFF down Analog output follows rate SW2 ON up Analog output follows count SWITCH 3 Select 4 20mA or 0 20mA SW3 OFF down Selects 4 20mA output range SW3 ON up Selects 0 20mA...

Page 22: ...e is pressed PARITY Parity is a bit of information that is inserted before the stop bit and is used to help check if the transmission is correct When setting the parity you may select ODD parity bit i...

Page 23: ...ssing the unit must be capable of driving all loads in the loop The input impedance of RS422 is much higher and there should be no problem driving as many as 99 units The transmit line remains in a hi...

Page 24: ...PIN 7 STROBE PIN 6 12V PIN 7 BOTTOM BOARD A RST B C D E ENTER LOCK PRE A PRE B VIEW PRGM TRANSMIT PIN 2 GROUND PIN 5 RS 232 STROBE PIN 6 12V PIN 7 BOTTOM BOARD RS232 RS422 WIRING A RST B C D E ENTER...

Page 25: ...the units with rate and total DPF75 When using a unit which has only count DPF76 or only rate DPF78 several menu items will not be displayed 1 Recheck power wiring 1 Use a different power supply or in...

Page 26: ...21 NOTES...

Page 27: ...22 NOTES...

Page 28: ...23 NOTES...

Page 29: ...shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA...

Page 30: ...Indicators Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH...

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