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OMNI 3000/6000 Flow Computer User Manual, Volume 1, System
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1. mmm Flow Computers Ir E 2 ey fe TEMES USA 2 T B gt BS E 5 TB Th 7 E T Eg Blo E 2 0 FUSE FUSE E bc E 05 e I ES RET ES 7 3 EJ Bin 0 8 BE j 3 EJ HE fe 4 5 3 EJ 5 5 4 ex 7 7 x 3 EJ 5 3 EJ Bl 7 x 2 B FUSE FUSE 4 0 B 06 E 7 e bc 2 RET E j x x 7 3 ES E 5 Em fal pO eo LD 3 E E I HE B E TE 7 B E IB E E aji FUSE FUSE af 7 5 E E rLI gt L E 5 HE E E E E 18 7 TE E 7 E E e B ole E
2. 3 1 3 NEMA Mount Chassis Both the 3000 and 6000 units are available in an open frame NEMA Mount Chassis with Extended I O Back Panel Extended 64 Conductor Ribbon Cables and the AC Power Cable are provided with a standard length of 5 feet 10 and 15 foot cables also available Refer to Figures 37 and 38 for detailed mounting instructions CAUTION Avoid mounting in drafts that can cause rapid fluctuations in temperature Mount the NEMA Chassis units horizontally for proper heat transfer Figure 36 Do NOT mount vertically The maximum length of the ribbon cable that connects the keypad to the CPU module is 18 inches 457 2 mm The operation of the Central Processor Module CPU will be significantly affected if this length is exceeded Follow these installation notes for proper mounting and safe operation e Mount chassis to bonded metal surface Bonded metal surface shall be provided with safety earth path e Chassis Backpanel should be mounted in an area accessible by qualified personnel only e
3. BRD SEL SV MODULE EBRD SEL PORT TERMINATED 1 c SELECT ONLY 2 MI m 4 IRQ BOTH TERM IN c IRQ 2 PORT UNTERMINATED BOTH TERM OUT Figure 30 SV Type Combo Jumper Settings A SVi SELECT ONLY RTS M GND 5 2 um TERM Page 47 of 113 Chapter 2 Process Input Output Combination Module Setup The HT HM HART Module The HT HM HART Module Figure 31 is used to interface to HART devices using the HART FSK protocol The Module has four independent HART FSK networks along with two analog outputs The HT Module is used for point to point communications and can support four single variable devices per network The HM Module is used for multi drop configurations or multi variable sensors NOTE HT HM HART Modules Types The flow computer can handle up to four HT HM modules and can be installed with any other I O modules except the and HV See Technical Bulletin 090003 52 0000 0019 for additional information on the HT HM Modules Two analog outputs are always available on this module Each module is connected to the back panel terminal blocks via
4. 2 RTD 4 20 _ INPUT 1 8 RTD 4 20 SERS INPUT 2 JPD SELECT APPROPRATE MODULE TYPE JUMPER capes eee THRES um AC DC AC ACDCAC x N INPUT 4 INPUT 3 INPUT 4 INPUT 3 THRESHOLD THRESHOLD SELECT APPROPRATE COUPLING COUPLING IN HIGH IN HIGH MODULE ADDRESS JUMPERS Figure 27 6008 E D Combo Jumper Settings SELECT APPROPRATE 5 ou com hz 2 MODULEADDRESSJUMPERS E ES EID Io m UE RTD 420 m es S s c gpd gp Ue i uo B INPUT2 RTD 4 20 x SELECT APPROPRATE X MODULE TYPE JUMPER mmmunm gt INpUTa THRESHOLD AC DC AC AC DC AC JUMPER mu INPUT4 INPUT3 lt IN HIGH 4 Figure 28 6208 Combo Jumper Settings 50 0000 0001 Rev Page 43 of 113 Chapter 2 Process Input Output Combination Module Setup 2 4 2 The E Type Combo I O Module The E Type Combo Module uses the same PCB as the E D Combo Module Jumper JPD is OUT on the 6008 in the E position on the 6208 Double chronometry timers are provided in this module configuration
5. V 7 E pc 1 4 2 50 0000 0001 Rev B Figure 4 OMNI 3000 and 6000 Back Panel Extended Back Panel Several flow computer mounting options are available with the extended back panel Screw type terminals are provided for AC and DC power Extended 64 conductor ribbon cables and the AC cables are provided with a standard length of 5 feet The OMNI 6000 panel incorporates terminal blocks TB1 through TB10 with terminals marked 1 through 12 and extra DC fused return and shield terminals are provided for TB1 through 8 NOTE For detailed power requirements including fuse type rating and part numbers refer to Input Power Section 3 2 Page 15 of 113 Chapter 1 50 0000 0001 Rev B Overview of Hardware and Software Features Omni FI mputers Ir TE 1 2 2 e 2 E 0 5 By 4 0 4 E3 5 5 Ex 6 Sy f 6 Ex 7 E 7 E 8 Ex E 9 E 10 E 2 10 E E lo 12 ex 0 215 5 TB 4 1 5 2 2 E 0 O 3 m t 4 9 7 5 Ex 5 5 5 m 7 E 7 E 3 En p E 2 12 E E 12 87 te Figure 5 OMNI 3000 and 6000 Extended Back Panel
6. 97 Network Printing eie Cone etre ee ei er EU etse a teque 97 Diagnostic and Calibration Features 98 n 98 Calibrating in the Diagnostic 99 Calibration Instructions 100 Flow Computer Specifications 106 aE 106 n 106 irj 106 68 6001 Microprocessor amp 107 68 6201 Microprocessor amp 107 108 Process Input Output Combo 108 Flowmeter Pulse eene eren nnn ner nennen nns 109 Densitometer Pulse Inputs 109 Detector Switch 109 Detector Switch Inputs of E Combo 110 Analog INPS c ete ob rcf 110 RTD ccm 110 Analog Outputs 110 Control Outputs St
7. mun Figure 40 68 6118 and 68 6218 Power Supplies 3 2 1 AC Powered Unit Model 68 6118 Power Supply When the 68 6118 Power Supply is AC powered 120VAC 50 Watt minimum capacity applied to the AC connector or terminal block approximately 500mA at 24VDC is available from the DC terminal block on the Back Panel to drive transducer loops pre amplifiers and digital I O loads The flow computer can be special ordered to operate from 220 250 VAC power source This requires factory modification of the 68 6118 power supply unit These units are identified with a 230 VAC decal and will ship with a different power cord NOTE On the 68 6118 Power Supply an absolute maximum of 500mA of transducer loop power is available with a fully loaded system of 6 combo I O modules 2 digital I O modules and 2 dual serial I O modules The loops must be powered from an external 24 VDC PSU or the computer must be DC powered if this 500mA limit is to be exceeded CAUTION To reduce the risk of electrical shock and or equipment damage provide a secure safety earth path with Green Ground Wire between the Unit Chassis and Bonded Metal Surface 50 0000 0001 Rev B AV Omni Page 57 of 113 Chapter 3 Mounting and Power Options Model 6
8. INSTALL INSTALL HI JUMPER ANALOG OUT 2 DC JUMPER 3 5VDC THRESHOLD ANALOG OUTPUT 2 SELECT HI D A2 SECOND ANALOG OUT RTD2 D A2 ACDCAC poor RTD2 EXCITATION SOURCE B 4 RE ir All 2 68 6006 n 2 8 2 Al d iu ad LA AN 8 Ow B lees All t E INPUT CHANNEL 3 amp OR 4 REMOVE JPB JUMPER INSTALL ANALOG A JUMPERS SET 4 20 JUMPER AS REQUIRED SELECT APPROPRATE MODULE ADDRESS JUMPERS 22 57 INPUTS 1 AND 2 imal AO 4 202 SET AS RTD OR 4 20 AS REQUIRED 3 Figure 21 6006 A Combo Analog Input Jumper Settings INSTALL INSTALL HI JUMPER ANALOG OUT 2 DC JUMPER 3 5VDC THRESHOLD ANALOG OUTPUT 2 SELECT 5 HI D A2 SECOND ANALOG OUT nTD2 A2 AC DC AC RTD2 EXCITATION SOURCE me sm E j 3 p 2 2 was g m PN zi Par m PE ca 2 7 E p 1 Ala 2 CE S p mc M pias PE lt e 2 INPUT CHANNEL 3 amp OR 4 REMOVE JPB JUMPER INSTAL
9. 61 Figure 44 Pre amp Using External 24 iiis etes set retina 61 Figure 45 Connecting Dual Coil 62 Figure 46 Wiring the 4 20 Inputs 63 Figure 47 Wiring Tor Dry CODIGGE ue ripa tasa 63 Figure 48 Wiring a 4 Wire RTD Temperature 64 Figure 49 Wiring Safety Barriers to a B Type Combo Module 65 Figure 50 Wiring Safety Barriers to a E D Type Combo 66 Figure 51 Wiring Type Combo Module icta bit p a prp she 67 Figure 52 Wiring E D Type Combo 2 2 22 1 0 67 Figure 53 Wiring Safety Barriers to B Combo 68 Figure 54 Wiring a Densitometer with Safety Barriers to E D Type Combo Module 69 Figure 55 Wiring a Densitometer to a B Type Combo 70 Figure 56 Wiring a Densitometer to a E D Type Combo 70 Figure 57 Wiring Densitometer with Safety Barriers to B Type Combo Module 71 Figure 58 Wiring Densitometer with Safety Barriers to E D Type Combo Module
10. 71 Figure 59 Wiring Densitometer to B Type Combo Module 71 Figure 60 Wiring Densitometer to E D Type Combo 72 Figure 61 Wiring Densitometer Wire Mode to Type Combo 73 Figure 62 Wiring Densitometer Wire Mode to E D Type Combo Module 73 Figure 63 Wiring a Densitometer Wire Mode to B Type Combo Module 74 Figure 64 Wiring aDensitometer3 Wire Mode to E D Type Combo Module 74 Figure 65 Wiring of a Honeywell Smart Transmitter sss 74 Figure 66 HART Connection using External 75 Figure 67 Wiring aRFT9739 Field Mount Explosion Proof 75 Figure 68 Wiring aRFT9739viatwo wire RS 485 Communications 76 Figure 69 Wiring of Field Mount 76 Figure 70 Wiring of Field Mount Explosion Proof Transmitter Via Serial RS 485 77 Figure 71 Forward and Reverse Flow Signals 222 4 7T Figure 72 Forward Flow with Dual Pulse Fidelity amp Integrity Checking 78 Figure 73 Forward amp Revers
11. Overview of Hardware Software Features Process I O Combination Modules Meter run instrumentation utilize plug in process I O combo modules which include all necessary analog digital A D converters and control circuitry User selection of process I O is available with combo modules that can be a mix of meter pulse frequency densitometer 4 20 mA 4 wire 100 ohm RTD inputs and 4 20 mA outputs All process measurements such as temperature pressure density and flow are input via these process I O combo modules Each module will handle 4 inputs of a variety of signal types and provides one or two 4 20 mA analog outputs except the SV Module which has six 4 20 mA outputs Nine types of combo I O modules are available A B E E D HV HT HM and SV All modules accept analog and pulse frequency type inputs except for the H and HV modules that interface digitally with Honeywell Smart Transmitters the HT and HM modules that interface digitally with HART transmitters and the SV module that interface serially with RS 485 compatible multivariable transmitters Except for the position of configuration jumpers that select the type and address of each module the A and B module types use identical I O boards and also the E and E D modules use identical boards NOTE The flow computer allocates the physical I O point numbers according to the module ID s not the position occupied on the backplane Each of the
12. 21 Figure 12 Digital Module Model 6011 22 Figure 13 SMT Digital Module 6211 nnne 23 Figure 14 Model 68 6205 Jumper and Termination Resistor 24 Figure 15 Layout of Jumper Blocks beet tuc ra 25 Figure 16 Dual RS 232 Serial N O chan tutu e ibo 26 Figure 17 Jumper Settings and Termination Resistor Pack Locations 27 Figure 18 Power Supply Module Model 68 6118 2 2 29 Figure 19 Power Supply Module 68 6218 eeesssseseseeee eese nhe n nnn ka kan nnne 30 Figure 20 68 6006 Module Configuration 36 Figure 21 6006 A Combo Analog Input Jumper Settings 38 Figure 22 6006 A Combo Pulse Input Jumper 5 05 38 Figure 23 6206 A Combo Analog Input Jumper 39 Figure 24 6206 A Combo Pulse Input Jumper 5 39 Figure 25 6005 B Combo Jumper Setfitjs oru e Eu Ia op aici 41 Figure 26 6206 B Combo Jumper 68 220 0 000 41 Figure 27 6008 E D Combo Jumper Settings 43
13. m 54 20 ls 420 Figure 23 6206 A Combo Analog Input Jumper Settings INSTALL A ANALOG OUT 2 DC JUMPER ANALOG OUTPUT 2 SELECT mmm gt D A2 SECOND ANALOG OUT RTD2 D A2 AC AC 5 RTD2 EXCITATION SOURCE Db az P A _ oh n N 2 SELECT APPROPRATE xx g ete PW ADDRESS JUMPERS ir omia H AS TET IT Ir 152 T ib Bl i boa H p C iB 7s ES ml ear A 3 LA Lll i A 3 kn E Am C B CHANNELS 1 AND 2 INPUT CHANNEL 3 amp 4 SELECT INPUT TYPE INSTALL PULSE P JUMPERS SELECT A TYPE Ok REMVOE 4 20 JUMPER INPUT E TYPE 286 2 p ud mu ERTO 8 E 54 20 8e 4205 Figure 24 6206 A Combo Pulse Input Jumper Settings 50 0000 0001 Rev Omni Page 39 of 113 Chapter 2 Process Input Output Combination Module Setup 2 3 2 The Type Combo I O Module NOTE You will need either a B Type Combo Modul
14. 74 5 7 Wiring ot HART Transmitters 2 75 50 0000 0001 Rev B WS Omni Page 1 of 113 Volume 1 System Architecture and Installation 5 8 6 6 1 6 2 6 3 T 7 1 7 2 7 3 7 4 7 5 7 6 7 7 8 8 1 8 2 8 3 9 9 1 9 2 9 3 9 4 9 5 9 6 9 7 9 8 9 9 9 10 9 11 9 12 9 13 9 14 9 15 9 16 9 17 9 18 9 19 9 20 9 21 9 22 9 23 50 0000 0001 Rev Wiring Micro Motion 75 Connecting Analog Outputs and Miscellaneous I O Including Provers 85 Analog 85 Inputs OUtpUuls 85 CH 87 Connecting to Serial Devices 90 Serial Port Connection 90 Connecting to 2 90 Connecting to a Personal Computer and 92 Peer to Peer Communications and Multi drop 94 Connecting to a SCADA eere a Eve t e edv oe deed 96 Interfacing the Fourth Serial Port to an Allen Bradley KE
15. TIRE ADDRESS JUMPERS Eg I A det Ab vam a H 42 mE a TI WI ame mas ma ry Polg Ms ope Co ee LIE s C ay s 2 m K p M All n gt 2 Aq INPUT CHANNEL 4 INSTALL PULSE P JUMPERS SELECT B TYPE REMOVE 4 20 JUMPER INPUT a BRE INPUT CHANNEL 3 Pre INSTALL ANALOG A JUMPERS aH 2 54208 z nis wo uf INPUT 1 SET AS 4 20 INPUT Figure 26 6206 B Combo Jumper Settings 50 0000 0001 Rev Omni Page 41 of 113 Chapter 2 Process Input Output Combination Module Setup 2 4 The E D and E Combo Modules NOTE E D and E combo I O modules described below either use through hole technology components P N 68 6008 or surface mount technology SMT components P N 68 6208 Modules manufactured using either technology have similar performance and functionality The hardware of E D and E Type Combo Modules are similar to that of the A and B Type Combo Modules discussed previously except these modules provide only 2 analog input channels 1 and 2 These inputs can be configured by jumpers for 1 5 volt 4 20 mA or 4 wire RTDs The remaining two inputs channels 3 and 4 are pulse inputs that can be used to input flowmeter pulses or densitometer pulse signals The module hardware can also be configured by the application software to provide Level A Pulse
16. 7 my 7 Fuse 8 DC s E RET ES t E RET 5 eB we 3 0 E 1 5 E 0 Te TB 7 E a Es HE FUSE mE E E E E FUSE A Vie n NEUT 05 RET RET DC RET RET DC HOC RET RET Page 16 of 113 Chapter 1 Overview of Hardware and Software Features 1 5 68 6001 CPU Module This Central Processor Module contains a 16 32 bit microprocessor operating at 16 MHz a maximum of 512k bytes of SRAM memory 1M byte of EPROM program memory math coprocessor and time of day clock Figure 6 Positions U3 and U4 on the CPU are the EPROMs which contain the application firmware The hardware real time clock will continue to operate even when power loss to the computer occurs Time of power failure is logged and printed when power is restored Figure 12 CAUTION Potential for Data Loss RAM Battery Backup OMNI Flow Computers leave the factory with a fully charged NiMH battery as RAM power backup RAM data including user configuration and calibration data may be lost if the flow computer is disconnected from external power for more than 30 days Observe caution when storing the flow computer without power being applied for extended periods of time The RAM back up battery is rechargeable and will fully charge after power has been applied for 24 hours Operators requiring system RAM reset must go thro
17. POWER TERMINALS 2 bc 2 DC Figure 52 Wiring E D Type Combo Module 50 0000 0001 Rev B N Page 67 of 113 Chapter 5 Connecting to Transducers and Transmitters 5 4 3 Sarasota Densitometers NOTE Because the density pulse signal can be a small AC signal with a large DC offset you must select AC coupling and low trigger threshold for the combo module channel used Input impedance will be 10kohms 1 5Vpp is required from the densitometer to reliably trigger the input When configuring the flow computer select the DIN curve for this RTD temperature point The Sarasota Densitometer provides a voltage pulse signal representing density and also 4 wire 100 ohm RTD probe monitoring the temperature of the device The pulse signal is connected to Channel 4 of a B Type Combo Module The RTD is connected to Channel 1 or Channel 2 of any module The device can be connected with or without safety barriers depending on the needs of the application HAZARDOUS SAFE B TYPE AREA AREA COMBO MODULE 13 3 RTD Input SARASOTA i Signal Return DENSITOMETER BARRIERS 781 791 810 820 830 840 AND 850 Density Input Signal Return 2D RTD Excitation 1 Signal Return RTD Excitation 2 390 Ohm POWER TERMINALS 1 Watt D dC 2 bc Figure 53 Wiring Safety Barriers to B Combo Module Two independent densitometers with RTD probes can be wired directly to an E D
18. 7 O Not Used 59 RTD Excitation 2 MIL 0 RTD Excitation 1 mu 1 Signal Return DENSITOMETER 1 SOLARTRON DENSITOMETER 7830 7835 POWER TERMINALS eo he eo um pe DENSITOMETER 2 Figure 50 Wiring Safety Barriers to E D Type Combo Module Two independent densitometers with RTD probes can be wired directly to an E D type combo module Solartron Sarasota and UGC frequency densitometers can be wired to the same E D type module Wiring an E D module with two RTD and two frequency Density inputs will use the terminals as shown in Figure 50 51 and 52 CAUTION Diagrams shown are based on published manufacturers data OMNI accepts no responsibility for wiring or installation of equipment in a hazardous area Equipment must always be installed in compliance with local and national safety standards 50 0000 0001 Rev B Page 66 of 113 Chapter 5 Connecting to Transducers and Transmitters B TYPE COMBO MODULE SOLARTRON RTD Input 1 3 2 4 DENSITOMETER Signal Return 7830 35 amp 7840 45 7 Density Input Signal Return 9 10 uo RTD Excitation 1 Signal Return 12D RTD Excitation 2 300 Ohm 1 Watt POWER TERMINALS DC bc C Figure 51 Wiring B Type Combo Module E D TYPE COMBO MODULE SOLARTRON 15 RTD Input 1 DENSITOMETER 2 7830 35 amp 7840 45 signal Return
19. Page 70 of 113 Chapter 5 Connecting to Transducers and Transmitters COMBO MODULE Q Density Input Signal Return HAZARDOUS BARRIERS 2 REQUIRED STALL 9001 01 280 100 101 UGC DENSITOMETER MODELS BARRIERS 278 297 amp 304 B TYPE POWER TERMINALS S bc bc Figure 57 Wiring Densitometer with Safety Barriers to B Type Combo Module HAZARDOUS SAFE AREA AREA BARRIERS 2 REQUIRED STALL 9001 01 280 100 101 UGC DENSITOMETER E D TYPE COMBO MODULE Density Input 1 278 297 amp 304 MODELS BARRIERS Signal Return POWER TERMINALS Figure 58 Wiring Densitometer with Safety Barriers to E D Type Combo Module UGC DENSITOMETER MODELS B TYPE 278 297 amp 304 COMBO MODULE 7 Density Input Signal Return POWER TERMINALS S bc 2 bc Figure 59 Wiring Densitometer to B Type Combo Module 50 0000 0001 Rev Omni Page 71 of 113 Chapter 5 Connecting to Transducers and Transmitters UGC DENSITOMETER MODELS E D TYPE 278 297 amp 304 COMBO MODULE Q Density Input 1 Signal Return POWER TERMINALS Figure 60 Wiring Densitometer to E D Type Combo Module 50 0000 0001 Rev B Page 72 of 113 Chapter 5 Connecting to Transducers and Transmitters 5 5 Gas Densitometer Solartron Model 7812 HAZARDOUS SAFE AREA ARE COMBO MODULE SOLARTRON DENSITOMETER Signal R
20. 6 7 KHz 150 micro second period AC Coupling is only used in conjunction with the low signal input threshold setting It is meant for densitometer periodic time measurements only 9 10 Detector Switch Inputs Non Double Chronometry Input Type Gating Transition Minimum Time Pulse High Minimum Time Pulse Low Input Impedance Input On Voltage Debounce Common Mode Voltage 50 0000 0001 Rev B Omni Voltage Application of voltage starts and stops proves 1 msec gt 2 seconds 4 7 k Ohms gt 10 V On lt 4 VDC Off referenced to DC Power Return 2 sec in Software 250 VDC to chassis ground Page 109 of 113 Chapter 9 Flow Computer Specifications 9 11 Detector Switch Inputs of E Combo Module Double Chronometry 9 12 Analog Inputs Input Type Input Impedance Resolution Accuracy Common Mode Voltage 9 13 RTD Inputs RTD Configuration RTD Resistance Excitation Current Maximum Field Wiring Resistance Resolution Range Accuracy Common Mode Voltage 9 14 Analog Outputs Normally driven by bounce free open collector transistor or Normally Open switch Debounce circuit may be needed with pipe prover switch type detectors 1 5 V or 4 20 mA 1 Meg Ohm when 1 5V 250 Ohms when 4 20 mA selected by installing shunt resistor 14 Binary Bits 0 025 of reading 2 counts 41 F to 122 F 5 C to 50 250 VDC to chassis ground 4 wire Bridge
21. 68 6005 This older serial I O module was only capable of communicating via RS 232 and is no longer available for purchase Chapter 1 for details Both modules provide two optically isolated RS 232 C serial ports that can operate from 0 3 to 38 4 kbps These ports are used for printers personal computers and SCADA devices Although the output voltage levels are compatible with the RS 232 standard the output is actually tri stated when not sending data This allows the transmit output from multiple flow computers to be bussed A terminating resistor is provided at the back panel connections to pull down the transmitter signal to a mark signal level 9V Hence a short jumper is required in many cases from TX Out to Term In addition to RS 232C operation each port of the 68 6205 serial module can be configured independently to operate using RS 485 signals RS 485 communications allows interconnecting multiple flow computers programmable logic controllers multivariable transmitters and other serial devices in either four wire multi drop mode or peer to peer two wire multi drop mode 7 2 Connecting to Printers NOTE The speed that data can be accepted by the printer depends on the size of the input buffer if any and the print mode draft or near letter quality Typical printers provide about 120 printed characters second The flow computer s default settings for the printer port are 9600 baud 1 stop bit and no parity These are th
22. 100 Ohm 32 F 0 C 3 45 mA Nominal 0 02 mA 1k Ohm per wire 0 008 Ohms 229 F to 293 F 145 C to 145 C 0 025 of reading 2 counts 41 F to 122 F 5 C to 50 C 250 VDC to chassis ground CAUTION OMNI Flow Computers Inc pursuant to a policy of product development and improvement may make any necessary changes to these specifications without notice Resolution Output Common Mode Max Min Working Loop Voltage Loop Resistance Update Rate Accuracy 50 0000 0001 Rev B 12 Binary Bits Current source 4 20 mA referenced to transducer power return terminal 250 Volts to chassis ground 30 VDC to 18 VDC 900 Ohm with 24 VDC Power 1 2 k Ohm with 30 VDC Power Each 500 milliseconds 0 05 of reading 2 counts 32 F to 122 F 5 C to 50 C Page 110 of 113 Chapter 9 9 15 Control Outputs Status Inputs 12 per module Configuration Current Capacity Output Voltage Input Impedance Input Voltage LEDs Common Mode Scan Rate 9 16 Multi bus Serial I O Interface Flow Computer Specifications Open emitter Darlington or FET transistor source Referenced to transducer power return terminal Configured as an Output 200 mA max per point 500 mA per digital I O module DC 1v nominal Configured as an Input 4 7 k Ohms in series with 2 LEDs Input voltages gt 8 to lt DC will be recognized as on Input voltages lt 2 V will be recognized as
23. 50 0000 0001 Rev B Omni Page 14 of 113 Chapter 1 Overview of Hardware and Software Features 1 cron FI mput TB 1 Flo mputers Inc TB 1 TB 2 5 TB 4 TB 5 NE S _ O UM 9000000000000 7919000000000 w qe o zi 1 1 20 TB 9 TB 10 1000090000000 o du c c E 8 8 G0 OT D 0 0 Ff amp
24. Diagnostic and Program Modes ARROW KEYS Used to move the cursor and scroll displays Also used as software zero and as span control during calibration OPERATOR KEYPAD Has 34 keys domed membrane with tactile and audio feedback SPACE CLEAR CANCEL ACK KEY Used to clear data and insert spaces in the Program Mode It is also used to cancel key press sequences and in the Display Mode acknowledge alarms Tem Time Counts Factor Preset Overview of Hardware and Software Features Flowrate FT 101 Cumulative FT 101 Total B 009456 Total A 000682 Q Diagnostic Q Program Press Density 1 Prove Status Alarms Cancel Ack Input Output Figure 1 OMNI Front Panel 1 3 Passive Backplane Mother Boards BBL Hr 1550 5 BBLS 234510 Total C 023975 Active Alarm e Alpha Shift Orifice Batch Product Control Meter Analysis Setup LCD DisPLAY Is 4 lines by 20 characters Backlight and viewing angle are adjustable via the keypad THREE 6 DiGiT ELECTROMECHANICAL COUNTERS These non resetable counters are assigned via the keypad ACTIVE ALARM LED Glows red when a new alarm occurs Glows green when an acknowledged alarm exists ALPHA SHIFT LED Glows green for a single character shift Glows red when the shift lock is on THREE FUNCTION KEYS These activate process variable or alpha umeric character functions DISPLAY ENTER HELP KEY Used
25. OPTO ISOLATED SIGNAL FROM FLOW AS COMPUTER DARLINGTON SWITCH PUSH BUTTON BLOWN FUSE INDICATOR GREEN LED STATUS INDICATOR OPTO COUPLER ISOLATED SIGNAL 4 TO FLOW 2 DC TERMINAL COMPUTER BACK PANEL DC RETURN TERMINALS Figure 83 Wiring of a Digital I O Point as an Input OPTO DC POWER DC TERMINAL ISOLATED 9 SIGNAL FROM FLOW ion COMPUTER 0 25 DARLINGTON o N SWITCH RED LED lt GREEN LED v BLOWN FUSE STATUS INDICATOR INDICATOR 1 3 DC RELAY COUPLER ISOLATED SIGNAL zy TO FLOW 2 DC TERMINAL COMPUTER DC RETURN BACK PANEL TERMINALS Figure 84 Wiring of a Digital I O Point as an Output 6 2 2 Connecting Various Digital I O Devices Digital I O Module 1 off the OMNI 6000 handles I O points 1 through 12 It is plugged into the backplane connector that is marked I O Module 1 This in turn is connected to Terminal Strip TB1 connections 1 through 12 Digital Module 2 handling points 13 through 24 is plugged into the backplane connector that is marked I O Module 2 This in turn is connected to Terminal Strip TB2 connections 1 through 12 The OMNI 3000 can have only one digital I O module and this is connected to Terminal TB1 connections 1 through 12 on the back panel Figure 85 Figure 85 diagram shows the typical wiring required to interface to other devices such as Switches relays prover detector switches progr
26. They must be wired as shown in Figure 4 to Digital I O Point 1 and the I O point should be assigned to Boolean 1700 in the software configuration Volume 3 This is because Digital I O Point 1 is internally jumpered to cause a high priority interrupt of the computer used to start and stop the prover pulse counting circuits Digital Point 1 can still be used as a normal I O point if pipe proving is not needed NOTE If a second digital module is installed you must remove jumper JP1 jumper on this second module as it could interact with detector switch signal on the first module 50 0000 0001 Rev B SWS Omni Page 87 of 113 Chapter 6 6 3 2 50 0000 0001 Rev B SWS Omni 2K2 OF m 4 Connecting Analog Outputs and Miscellaneous I O Including Provers Interfacing to a Brooks Compact Prover The OMNI Flow Computer can interface to the Brooks Compact Prover Skid Electronics the Brooks Prover Control Box is not required The control interface involves one digital output to control the piston launch a digital input point to monitor the position of the piston and a detector switch signal that is wired in parallel to each of the E combo modules with flow meters connected to them Compact provers use the Pulse Interpolation Method of measuring the flowmeter counts between the detector switches The interpolation method requires that the detector switches activate high speed hardware timers on the OMNI s E combo I O module The dete
27. 12 wires on the ribbon cables The actual terminal numbers used depend upon which backplane connector the module is plugged into Table 10 Table 10 HT HM HART Module Back Panel Terminal Assignments HART Network 1 HART Network 1 2 8 TB Terminal 1 TB Terminal 2 TB Terminal 3 TB Terminal 4 TB Terminal 5 TB Terminal 6 TB Terminal 9 TB Terminal 10 TB Terminal 11 TB Terminal 7 TB Terminal 8 TB Terminal 12 HT HM LABEL LEDs NETWORK 1 e Ba TE v Pl lex TETS m PA Pex Kt M TL ELT Hmmm Tnm dmm mmm p _ MODULE ADDRESS LOAD RESISTORS NETWORK 1 Figure 31 HT HM HART Module Configuration Jumpers 50 0000 0001 Rev B Omni Page 48 of 113 Chapter 3 Mounting and Power Options Chapter 3 3 Mounting and Power Options 3 1 Mechanical Installation OMNI offers four chassis mounting options e Panel Mount e Panel Mount NEMA Option w Extended Back Panel Mount e NEMA 4 4X Enclosure Each mounting option is detailed within this section providing mounting dimensions and approximate weight Als
28. 470 Ohm 1 Watt Signal Return POWER TERMINALS DC Figure 43 Pre amp Using OMNI 24 VDC E TYPE FAURE HERMAN COMBO MODULE 5 2 Pulse Input A Pulse Input B 7 270 Onih 470 Ohm 1 Watt Signal Return POWER SUPPLY Figure 44 Pre amp Using External 24 VDC 50 0000 0001 Rev B SWS Omni Page 61 of 113 Chapter 4 Connecting to Flowmeters 4 4 Pulse Fidelity and Integrity Checking with E Type Combo Modules A flowmeter with dual channel out of phase outputs can be connected as shown in Figure 45 The flow computer can be configured to continuously compare the signals for frequency and sequence on a pulse to pulse basis and alarm and log any differences Review Technical Bulletin 52 0000 0008 970901 for more information on Pulse Fidelity Checking E TYPE COMBO MODULE tat SIGNAL OUT A STANDARD PICKOFF PRE COMMON co AMPLIFIER _ POWER IN 5 0 Pulse Input 2 Pulse Input Signal Return SIGNAL OUT PICKOFF PRE COMMON 24VbC m AMPLIFIER __ POWER IN POWER SUPPLY Figure 45 Connecting Dual Coil Turbines 50 0000 0001 Rev B AV Omni Page 62 of 113 Chapter 5 Connecting to Transducers and Transmitters Chapter 5 5 Connecting to Transducers and Transmitters 5 1 Wiring the Input Transducers Because of the high density of connections on the back panel terminal module it is recommended that wiring
29. 50mm between this equipment and other equipment to allow for free flow of air movement e Power should always be disconnected from the system removing or installing main system components such as modules When disconnecting power first power down the system with the operating system then unplug the power cord e Replacement fuses shall be the same type and rating as required for the equipment Refer to section Service and Fuses e Keep the area around the equipment clean and free of clutter NOTE Earth Ground Requirements To minimize the effects of electrical transients the outer chassis of the flow computer shall be connected to secure earth ground using the Ground Stud located on the back of the Panel Mount Chassis or connected to the Ground Nut located on the end of the NEMA Chassis 50 0000 0001 Rev B SWS Omni Page 59 of 113 Chapter 4 Connecting to Flowmeters Chapter 4 4 Connecting to Flowmeters 4 1 Turbine Flowmeter A or B Combo Module Input Channels 3 and 4 can be independently jumpered to accept pulse signals Channel 3 on the A and B Combo Modules and Channel 4 on the A Combo Module can be used to input turbine or positive displacement flowmeters The input threshold is approximately 3 5 volts hysteresis 1 2 volt A or B TYPE COMBO MODULE STANDARD SIGNAL QUT IDG Pulse Input PRE 6 8 7 Signal Return AMPLIFIER __POWER IN PICKOFF COIL 24VbC POWER SUPPLY Figure 41 Connectin
30. 76 Forward Flow Only Dual Pulse Fidelity amp Integrity Checking FMC MPU 1200 FLOWMETER E COMBO MODULE PULSE 1 5 Z Pulse Input 3 ED Input 3 Return PULSE 1B 7 Q 8 PULSE 2 D 10 Signal Return PULSE 2B E COMBO MODULE 22 Pulse Input 3 2 Input 3 Return 7 Q Q 0 Signal Return SV COMBO MODULE ER 1 Z RS485 B TxD RxD ii TxD RxD 7 RS485 A E POWER TERMINALS d bet QD Ddc vc dc Figure 77 Forward amp Reverse Flow Only Dual Pulse Fidelity amp Integrity Checking 50 0000 0001 Rev Omni Page 80 of 113 Chapter 5 Connecting to Transducers and Transmitters 5 8 8 Wiring of SICK Flowsic 600 Ultrasonic Gas Flow Meter Figures 75 and 76 are the typical wiring diagrams for the Sick Ultrasonic Meter Additional information on this meter can be found in Technical Bulletin 060401 52 0004 0004 also available on the web site www Omniflow com SICK FLOWSIC 600 ULTRASONIC GAS FLOWMETER Connection Terminal DIGITAL I O MODULE 1 2 Digital In1 Freq B 2 Freq B RS 485 RS 485 Pulse Input 3 Mode Input 3 Return Mode Pulse Input 4 Input 4 Return Freq A Freq A Signal Return Flow Dir Flow Dir SV COMBO MODULE 1 Z 25485 2 Z 85485 A 1 4 POWER TERMINALS O DC QD bC O bc Figure 78 Forward and Reverse
31. Active Alarm LED New unacknowledged alarms cause this LED to glow red This changes to green as soon as the alarm is acknowledged by pressing the Cancel Ack key on the keypad Alpha Shift LED This LED glows green to show that the next key only will be shifted A red LED indicates that the shift lock is on NOTE Pressing the Alpha Shift key twice will put the shift lock on The shift lock is canceled by pressing one more time or automatically after the Display Enter key is pressed Help System These computers are equipped with a powerful context sensitive help system Press the Help key bottom right twice to activate the help displays Cancel the help screens by pressing the Prog key Operator Keypad Control of the flow computer is via the 34 button alphanumeric membrane keypad Figure 1 with tactile domes and audio feedback Through the keypad you have the capability to configure your system access and modify calibration data on line and view or print process data Configuration data can also be entered remotely by serial port and is stored in battery backed up CMOS SRAM memory Passwords and an internal program inhibit switch provide tamper proof security Page 11 of 113 Chapter 1 DiAGNOSTIC LED Glows green when in the Diagnostic Mode Glows red when a valid password is entered PROGRAM LED Glows green when in the Program Mode Glows red when a valid password is entered DiAG PROG KEY Used to access
32. Calibrate Press Diag to Exit TEMPERATURE INPUT CHANNEL RTD EXCITATION CURRENT SOURCE FLOW COMPUTER BACK PANEL TERMINALS PRECISION DECADE RESISTANCE BOX Figure 98 Figure Showing Calibration of RTD Input Channel 8 3 3 Calibrating a 4 to 20 mA Digital to Analog Output Each of the analog outputs can be calibrated by monitoring the loop current with an accurate milliamp meter and setting the output current to 4 00 mA and 20 00 mA For example to calibrate Analog Output 1 proceed as follows While the Select Input Output screen is displayed press Output 1 Display The display shows Analog Output 1 0 4 100 20 Override 0 00 Calibrate Output Answer Y to the Calibrate Output question and the display shows CAUTION At this point the analog output reflects the value of the currently displayed override not the assigned variable The user must ensure that any equipment using the output signal will not cause an unsafe condition to arise or cause erroneous results to be generated Analog Output 1 0 4 100 20 Override X 0 00 Override Now Active 50 0000 0001 Rev Omni Page 103 of 113 Chapter 8 Diagnostic and Calibration Features To calibrate the output channel follow these steps e Connect an accurate milliamp meter in series with the load e Input 0 00 4 00 mA as the output override e Wait 30 seconds for the reading to stabilize e U
33. Figure 28 6208 Combo Jumper Settings hir 43 Figure 29 H V Type Combo Module Jumper 5 45 Figure 30 SV Type Combo Jumper 47 Figure 31 HT HM HART Module Configuration 48 Figure 32 3000 Panel Mount Em 49 Figure 33 6000 Panel Mount Chassis 2 catu pa 50 Figure 34 3000 Panel Mount NEMA Option w Extended Back Panel 51 Figure 35 6000 Panel Mount NEMA Option w Extended Back Panel 52 Figure 36 NEMA Chassis Mounting 53 Figure 37 3000 NEMA Mount un acer bk ta A pb Reda a ERE AUS 54 Figure 38 6000 NEMA Mount GIISSSIb onis ient 55 Figure 39 NEMA EnClo sure 56 Figure 40 68 6118 and 68 6218 Power Supplies 57 Figure 41 Connecting to Turbine 60 Figure 42 Wiring to Turbine 2 2 1 4 1 441 nnne nhe ener na nnnm 60 50 0000 0001 Rev B Omni Page 3 of 113 Volume 1 System Architecture and Installation Figure 43 Pre amp Using OMNI 24 0
34. Flow Computers are supplied with pre programmed firmware and PC configuration software which permit a single unit to perform a great diversity of combined flow measurement tasks such as e Multiple Meter Run Totalizing Batching Proving and Data Archiving e Flow and Sampler Control e Direct Interface to Gas Chromatographs and Smart Multivariable Transmitters e Selectable Communications Protocols to Directly Interface to DCS PLC and SCADA Host Systems The flow computer database numbers thousands of data points and provides the tightest communications coupling yet between SCADA and the metering system 50 0000 0001 SS Omni Page 30 of 113 Chapter 1 1 9 1 1 9 2 1 9 3 1 9 4 1 9 5 1 9 6 M 50 0000 0001 Overview of Hardware and Software Features Interrupt Driven CPU This is a very important aspect to firmware It provides for a multi tasking environment in which priority tasks can be undertaken concurrently with unrelated activity This provides for high speed digital signals to be output at the same time as measurement computations and serial communications to a printer or host computer without degradation in speed or tasking All custody transfer measurement programs are stored in EPROM or Flash Memory This prevents damage due to electrical noise or tampering with the integrity of calculation specifications SRAM programming can also be accommodated Cycle Time All t
35. Honeywell Multivariable DE Protocol e Type Four HART FSK Networks e SV Type Each port 1 and 2 is capable of RS 485 multi drop to various multivariable transmitters All process measurement signals are input via the process I O combination or combo modules plugged into the backplane of the computer There currently are 9 types of combo modules available A B E E D H HV HT HM and SV types The 9 types of modules are actually manufactured using only 6 types of printed circuit modules The first can be configured as either an A or B Module the second is used for an E or E D Module the third is used for an H or HV Module the fourth for an HT module the fifth for an HM module and the sixth is an SV module 2 2 Features of the I O Combo Modules Each combo module except the SV Module will handle 4 inputs of a variety of signal types and provides one or two 4 20 mA analog outputs The SV Module has two ports and six 4 20 mA analog outputs Only the E Combo Module has Level A pulse fidelity checking and double chronometry proving capabilities The input output capabilities and some of the features of the combo modules are expressed in Table 2 50 0000 0001 Rev B Omni Page 33 of 113 Chapter 2 2 2 1 2 2 2 2 2 3 0 50 0000 0001 Rev B Omni Process Input Output Combination Module Setup Table 2 Input Output Capabilities and Features of Each Combo Module TYPE INPUT 1 INPUT 2 INP
36. Input Signal Return PRESSURE Figure 67 Wiring aRFT9739 Field Mount Explosion Proof Transmitter 50 0000 0001 Rev B Page 75 of 113 Chapter 5 Connecting to Transducers and Transmitters 5 8 2 Connecting Micro Motion RFT 9739 via RS 485 Serial Communications Serial communication via RS 485 can be accomplished using the Peer to Peer Mode via OMNI Serial Port 2 of the RS 232 C 485 Serial Module 68 6205 with selection jumpers in the RS 485 position Figure 68 See Technical Bulletin 980401 52 0001 0001 NOTE Users of Micro Motion RFT 9739 devices connected to the peer to peer port Port 2 of the OMNI please note that the resistor networks should be positioned for 2 wire RS 485 and that Terminal A from the RFT 9739 should be wired to OMNI Terminal 7 and B from the RFT must be wired to Terminal 11 MICRO MOTION RFT 9739 7 SERIAL I O MODULE 6205 1200 1 2 Watt Figure 68 Wiring aRFT9739viatwo wire RS 485 Communications 5 8 3 Connecting Micro Motion Model 2700 The frequency pulse output that represents the volume flow from the 2700 Transmitter can be wired directly into either Frequency Channel 3 or 4 on A Type or E Type Combo Modules Also available is 4 20mA Density and 4 20mA Temperature Figure 69 OMNI MICRO MOTION 1700 2700 TERMINAL BRD FLOW PULSE 1 9 FLOW PULSE 1 6 ANALOG IN 1 ANALOG IN 1 ANALOG IN 2 ANALOG IN 2 Figure 69 Wiring o
37. RS 485 2 WIRE RS 485 TERMINATED 00000000 RS 485 2 WIRE TERMINATED RS 485 2 WIRE NON TERMINATED JB1 or JB4 JB2 or JB5 JB3 or JB6 JB1 or JB4 JB2 or JB5 JB3 or JB6 00000090 NON TERMINATED RS 232 RS 232 485 4 WIRI RS 232 RS 232 485 4 WIRE TN 85 ED 00000000 00000000 00000000 00000000 00000000 RS 485 4 WIRE TERMINATED RS 485 4 WIRE NON TERMINATED JB1 or JB4 JB2 or JB5 JB3 or JB6 JB1 or JB4 JB2 or JB5 JB3 or JB6 00090909 000000 RS 485 2 WIRE NON TERMINATED h RS 485 2 WIRE E 00000000 59999555 Figure 15 Layout of Jumper Blocks Table 1 Back Panel Wiring of the RS 232 485 Module 68 6205 Back Panel RS 485 RS 485 E Terminal P9232 4 Wire First Serial Port gt o 6 o o 50 0000 0001 Rev B Page 25 of 113 Chapter 1 50 0000 0001 Rev B Overview of Hardware and Software Features Dual RS 232 Compatible Serial I O Module Model 68 6005 This module is no longer manufactured Information is provided for reference only NOTE Up to 12 flow computers can be multi dropped to one RS 232C serial device Typically one serial module is used on the OMNI 3000 providing two ports maximum of three serial modules can be installed in the OMNI 6000 providing up to six ports Dual channel serial communication modules can be installed providing two RS 232 C ports Each serial communication port is individually optically isolated for ma
38. Rev B NV Omni Page 108 of 113 Chapter 9 9 8 Flowmeter Pulse Inputs Flow Computer Specifications Use DC Coupling High Threshold setting Input Frequency Positive Going Trigger Threshold Negative Going Trigger Threshold Input impedance Configuration Common Mode Voltage Pulse Fidelity Check E Module Only DC to 15 kHz Square Wave DC to 12 kHz Sine Wave 4 2 Volts 0 2 volts Nominal 1kHz 3 2 Volts 0 2 volts Nominal 1kHz 1 M Ohm Nominal 1kHz Differential input E module inputs are single ended referenced to DC ret 250 VDC to chassis ground Channels are continuously compared for frequency and sequence Complete failure of either A or B channel will not effect totalizing Simultaneous noise pulses are rejected with better than 90 certainty The maximum frequency allowed is reduced when operating with a sine wave input signal This is because the signal must extend beyond the high level threshold and below the low level threshold for a minimum of 30 micro seconds to allow the photo optical couplers to conduct 9 9 Densitometer Pulse Inputs Use AC Coupling Low Threshold setting Positive Going Trigger Threshold Negative Going Trigger Threshold Minimum Signal Level Maximum Signal Level Minimum Frequency Maximum Frequency 1 6 Volts 0 2 volts 1 2 Volts 0 2 volts 2 Volts Peak to Peak 5 Volts Peak to Peak 250 Hz 4000 micro second period
39. Service should be performed by qualified service personnel e Power should be disconnected before servicing the unit Panel Mount On the panel mount units two types of fuses have been used which are physically different and are not interchangeable Earlier production units use a 2AG style fuse while later production units use a 5x20 style fuse which is slightly larger The value of the AC fuse for both styles depends on the power supply installed in the unit The 68 6218 Universal Power supply can be identified by the card ejector and it does not have the large transformer that is present on the 68 6118 model Identify which Power Supply and Back Panel are installed on the flow computer and use the following guide to select the proper replacement fuse DC Fuse All Power Supply Modules 2AG 3 Amp Slow Blow Littelfuse 0229003 5x20 3 15 Amp Slow Blow Littelfuse 02183 15 AC Fuse 68 6218 Power Supply Modules 2AG 750mA Fast Blow Littelfuse 0229 750 5x20 1 6 Amp Fast Blow Littelfuse 021701 6 AC Fuse All Other Power Supply Modules 2AG 500mA Fast Blow Littelfuse 0225 500 5x20 315mA Fast Blow Littelfuse 0217 315 50 0000 0001 Rev Omni Page 58 of 113 Chapter 3 Mounting and Power Options NEMA Mount The 3000 Extended Back Panel is identical to the Back Panel used on the panel mount unit Refer to the previous section to identify the proper fuses The 6000 Extended Back Panel uses a 5x20
40. TB 7 TB 9 6 TB 7 18 8 TB 9 10 4 1 Nm He E tk S S erp Figure 10 Matching the I O Modules to the Back Panel Terminations Photo Optical Isolation The microprocessor circuitry is isolated via photo optical devices Figure 16 from all field wiring to prevent accidental damage to the electronics including that caused by static electricity Photo optical isolation also inhibits electrical noise from inducing measurement errors Independent isolation of each process input provides high common mode rejection allowing the user greater freedom when wiring transmitter loops Furthermore it minimizes ground loop effects and isolates and protects your flow computer from pipeline EMI and transients NOTE Photo Optical Isolation Transducer signals are converted by the LED into high frequency pulses of light These are sensed by the photo transistor which passes the signal to the flow computer Note that no electrical connection exists between the transducers and the computer circuits Page 20 of 113 Chapter 1 1 7 2 Overview of Hardware and Software Features Digital I O Modules NOTE Some Digital modules have 12 replaceable fuses one fuse for each I O point Other modules have electronic fuses that are tripped when overloaded They are automatically reset when the fault condition is removed Digital I O modules provide inputs and outputs to control Provers Samplers Injection pumps and also pr
41. and pressure for example 50 0000 0001 Rev B Page 35 of 113 Chapter 2 Process Input Output Combination Module Setup 2 3 The A and B Combo I O Modules NOTE The A and B combo I O modules described below use either through hole technology components P N 68 6006 or surface mount technology SMT components P N 68 6206 Modules manufactured using either technology have similar performance and functionality All I O signals input to the combo module are converted to the form of high frequency pulse trains 0 to 25 kHz These pulse trains are passed through opto couplers providing electrical isolation All 4 process inputs can accept analog input voltages which are first buffered with a 1 megohm input buffer and then converted to pulse frequencies using precision voltage to frequency converters With 2 averaged 500 millisecond samples analog conversion resolution is 14 binary bits Linearity is typically 0 01 and the temperature coefficient is trimmed to better than x10 PPM amp F Current inputs such as 4 20 mA are converted to 1 5 VDC by jumpering in a 250 ohm precision shunt resistor The conversion gain of Input Channels 1 and 2 can also be increased by a factor of 10 allowing low level RTD signals 0 20 0 55 VDC to be accepted Input Channels 3 and 4 can also be jumpered to accept pulse signals 0 12 kHz In this case the input stage is configured as Schmitt Trigger whose threshold is 3 5 VDC with a
42. described later and the software zero and span adjusted as needed Any value between 2 5 and 23 0 mA may be output Each output is assigned via the keypad or serial link to one of the many variables available within the flow computer Volume 3 MISCELLANEOUS COMBO MODULE DEVICE 1 20 RTUs 2 Analog Out 1 oe 2 00 Analog Out 2 Recorder Signal Return Maximum Load 1K 24VDC RTUs Q Controller or Maximum Load 1K 24VDC Figure 82 Wiring Devices to the Flow Computer s Digital to Analog Outputs 6 2 Digital Inputs Outputs 6 2 1 Wiring a Digital Point as an Input or an Output Digital I O modules have 12 digital I O points Each point can be independently configured as either an input or output via the keypad or via OMNICOM over a communication port Figure 83 and 84 The power and returns for all digital signals are common with the DC power terminals Digital output loads are connected between the I O terminal and DC power return An approximate total load of 500 mA per module per 12 points is allowed although an individual point can handle 200 mA Voltages applied to I O points used as inputs must not exceed the DC supply voltage at the DC terminal or the protective fuse for that point on the digital I O module may open circuit 50 0000 0001 Rev B NV Omni Page 85 of 113 Chapter 6 Connecting Analog Outputs and Miscellaneous I O Including Provers
43. off Operating and Fuse open circuit indicators on each channel 250 Volts to chassis ground Outputs may be pulsed at 50Hz Maximum 2 Ports per Module each port can be jumpered for RS 232C RS 485 2 or 4 wire 9 16 1 RS 232 Compatible Serial Data Output Voltage Recommended Load Impedance Short Circuit Current Input Low Threshold Input High Threshold Baud Rate Common Mode Voltage LEDs 9 16 2 RS 485 Serial Data Output Voltage Recommended Load Impedance Short Circuit Current Input Low Threshold Baud Rate Common Mode Voltage LEDs 9 17 Ethernet Physical Speed Connections Protocols 50 0000 0001 Rev B Omni 7 5 Volts typical 1 5 k Ohm 10 mA limited VI 7 3 0 Volts Vh 3 0 Volts Software Selectable Range 1 2 2 4 4 8 9 6 19 2 38 4 kbps 250 Volts DC to chassis ground Indicator LEDs for each channel input output and handshaking signals 5 Volts differential driver 120 Ohm located on module 20 mA Limited 0 8 Volts Software selectable Range 1 2 2 4 4 8 9 6 19 2 38 4 k bps 250 Volts DC to chassis ground Indicator LEDs for each channel input output and handshaking signals 10BaseT 10MBits Sec 8 simultaneous Modbus Modbus TCP LPD Syslog Telnet Page 111 of 113 Chapter 9 9 18 HART Physical Networks Sensors 9 19 Operator Keypad Keypad Characteristics Material Data Entry Lockout Key Debounce 9 20 LCD D
44. rear support is provided Dimensions shown in inches and millimeters Approximate weight 3000 Panel Mount NEMA Option Chassis 12 lbs 5 4kg 6000 Panel Mount NEMA Option Chassis 19 16 8 6kg 50 0000 0001 Rev B SWS Omni Page 50 of 113 Chapter 3 Mounting and Power Options 7 i gt 1 Qomi 2 90 73 59 9 1 x MOUNTING PANEL MOUNTING BRACKET 120 65 i MO NIIN Ao EL 1 Figure 34 3000 Panel Mount NEMA Option w Extended Back Panel 50 0000 0001 Rev B Omni Page 51 of 113 Chapter 3 Mounting and Power Options NTING PANEL MOUNTING BRACKET JUNTII PANEL 209 55 T OUT EE wl Figure 35 6000 Panel Mount NEMA Option w Extended Back Panel 50 0000 0001 Rev B N Page 52 of 113 Chapter 3 Mounting and Power Options
45. some models are available for printing reports and other communications tasks along with an Ethernet module that can support up to 8 simultaneous connections All modules are quality tested and temperature trimmed to optimize the 14 bit analog resolution and burned in before shipment for field installation Operator s Panel The operator s panel shown Figure 1 is standard for all applications and is used to display and enter all data All data can also be accessed via any of the serial ports LCD Display The 4 line by 20 alpha numeric character back lit Liquid Crystal Display is updated every 200 ms It displays all messages and system variables in English language engineering units Backlighting and display viewing angle are adjustable from the keypad press Setup then Display and follow the displayed instructions Electromechanical Totalizers Three non resetable 6 digit electromechanical counters are included on the front panel for non volatile backup totalizing They can be programmed to count gross net mass or energy units at any rate up to 10 counts per second Diagnostic and Program LEDs These dual color LEDs indicate when the user is in the Diagnostic Mode calibrating the I O modules or when in the Program Mode changing the configuration of the computer The LEDs change from green to red after a valid password is requested and entered The computer is in the normal Display Mode when neither of these LEDs are on
46. type combo module Solartron Sarasota and UGC frequency densitometers can be used Wiring an E D module with two RTD and two frequency Density inputs will use the OMNI back panel terminals shown in Figure 54 50 0000 0001 Rev B Page 68 of 113 Chapter 5 Connecting to Transducers and Transmitters HAZARDOUS SAFE AREA AREA PEEK SARASOTA DENSITOMETER 781 791 810 820 BARRIERS 830 840 AND 850 E D TYPE COMBO MODULE 3 3 MT D RTD Input 1 2 Signal Return Y 755 7 3 MTL 100 1 Watt lx 8 3 7 RTD Input 2 5 Signal Return PEEK Density Input 1 SARASOTA Density Input 2 DENSITOMETER 7Y Density O Not Used B RTD Excitation 1 VA 2 7 RTD Excitation 2 00 Leg Signal Return 1 1 19 POWER TERMINALS bc EM D bc 3 781 791 810 820 830 840 AND 850 Figure 54 Wiring a Densitometer with Safety Barriers to E D Type Combo Module CAUTION Diagrams shown in Figures 53 54 55 and 56 are based on published manufacturers data OMNI accepts no responsibility for wiring or installation of equipment in a hazardous area Equipment must always be installed in compliance with local and national safety standards 50 0000 0001 Rev B SWS Omni Page 69 of 113 Chapter 5 PEEK SARASOTA DENSITOMETER 781 791 810 820 830 840 AND 850 Connecting to Tra
47. 1 Peer to Peer RS 485 Two wire Multi drop Mode Figure 93 diagram shows the wiring requirements for multi dropping two or more flow computers via RS 485 in two wire mode This option is available only with the OMNI Serial Module 68 6205 See Technical Bulletin 980401 52 0001 0001 eg MAXIMUM OF 16 FLOW COMPUTERS Jd NOTE OMNI 3000 TERMINAL IS TB2 3 TB3 TB3 TB3 2 2 2 2 5 485 TWO WIRE 5 485 TWO WIRE RS 485 TWO WIRE 485 TWO WIRE TERMINATED NON TERMINATED NON TERMINATED NON TERMINATED Figure 93 Wiring of Several Flow Computers using the Peer to Peer Feature via RS 485 Communications in Two wire Multi drop Mode 50 0000 0001 Rev B Page 94 of 113 Chapter 7 Connecting to Serial Devices 7 4 2 Peer to Peer via RS 232 C Communications Figure 94 shows the wiring requirements for multi dropping two or more flow computers in RS 232 C compatible mode When multi dropping two or more flow computers with other serial devices via the RS 232 C mode an RS 232 to RS 485 standard converter may be required Technical Bulletin 980401 52 0001 0001 5 UP TO 12 COMPUTERS NOTE OMNI 3000 TERMINAL IS TB2 TB3 TB3 TB3 TB3 JP1 PROVIDES PULLDOWN TERMINATING RESISTOR T JP2 JP2 PARALLEL RX amp TX RX 10 10 10 10 a 12 12 12 Q Q Figure 94 Wiring of Several Flow Computers in the Peer to Peer Mode using RS 232 C Communications 11 7 4 3 Keying t
48. 112 of 113 Chapter 9 9 23 Security 50 0000 0001 Rev B Hardware Software Flow Computer Specifications is active Red to indicate alpha shift next key only Optional lock on housing and internal keyboard program lockout Multi level password control Page 113 of 113
49. 2 on the D2 50 0000 0001 Rev B module are removed Point LEDs Along the edge of the digital I O module are 12 pairs of LEDs When a green LED is illuminated the point is active and either receiving or sending pulses The other LED is white in appearance but illuminates red A red LED indicates that either a fuse is blown on earlier modules or the I O point is detecting an incorrect input or output Page 22 of 113 Chapter 1 1 7 3 50 0000 0001 Rev B Overview of Hardware and Software Features Interrupt Request IRQ Neither Jumper is Required for D2 Module Select Jumpers for Pipe Prover Detector Assign IRQ to Assign IRQ to Non Double Chronometry Point 1 Point 2 Y JP2 JP2 1 Rising Edge Trigger JP1 Out Falling Edge Trigger ENS TS a s 1 8 Jm EE Boo JP4 DA ups DA Green LED On Point Active Module Address Jumper VO Poi VO Point 01 01 wm xm Lb Dual Red Green Fuse Blown LED Lo foufou a 02 m gt RedOn Sourcing B O Green Sinking E Current Individual Resetable Fuses for Each I O Point L b 2 12 Digital Point LED Indicators Figure 13 SMT Digital I O Module 6211 Serial Communication Modules NOTE Up to 12 flow computers and or other compatible serial devices can be multi dro
50. 232 CONNECTOR OMNI FLOW COMPUTER DB 25 PIN MALE BACK PANEL TERMINAL Modem or Radio JP1 PROVIDES PULLDOWN Q RDY TERMINATING RESISTOR TO 9 Figure 92 Connecting Port Z2 to a Modem 50 0000 0001 Rev B Page 93 of 113 Chapter 7 Connecting to Serial Devices 7 4 Peer to Peer Communications and Multi drop Modes NOTE Peer to Peer Communications The peer to peer communication feature allows you to multi drop up to 16 flow computers and other devices in RS 485 serial communications mode and up to 12 using RS 232 C communications Peer to Peer Redundancy Schemes Redundancy schemes allows for uninterrupted measurement and control functionality by interconnecting two identically equipped and configured flow computers Technical Bulletin 980402 52 0001 0002 and Peer to Peer The OMNICOM Configuration PC Software package supplied with your OMNI Flow Computer cannot be used on Serial Port 2 when it is being used as a peer to peer link Serial Port 2 can also be configured by the application software to act as a peer to peer Modbus master port This is a half duplex simplex link which allows any OMNI Flow Computer to communicate with any other flow computer or Modbus slave device That data link can operate at up to 38 4 kbps and uses a proprietary token passing scheme Interconnecting multiple flow computers and or multiple serial devices can be accomplished via RS 232 Compatible or RS 485 communications 7 4
51. 4 Meter Temperature n 1 through 4 Meter Pressure 1 through 4 Meter Density 1 through 4 Meter Density Temp n 1 through 4 Meter Dens Pressure n 1 through 4 Prover Temperature Left Right Prover Pressure Left Right Output Channels n 1 through 24 Digital 1 or 2 8 2 3 Leaving the Diagnostic Mode Input or Input n Temp or Temp Meter n Press Press Meter n Density Or Dens Meter n Density Temp Or Density Temp Meter n Density Press or Density Press Meter n Prove Temp Prove Temp Output Status n Once you are done viewing and or modifying the calibration settings press Diag to return to the selection screen as follows Select Input Output to Calibrate Press Diag to exit Press the Diag key again to return to the Display Mode Diagnostic LED will turn off 8 3 Calibration Instructions NOTE You can also calibrate the input and output of your choice by entering the number of that input or output e g Press Input 1 Enter press Output 4 Enter With this method you can calibrate the inputs and outputs to the computer without having them assigned to any I O point numbers 8 3 1 Calibrating A Voltage or Current Analog Input While the above display is shown select the input variable to calibrate For example to calibrate Meter Run 1 Temperature press Meter 1 Temp or the inpu
52. 40 6161 Fax 281 240 6162 World wide Web Site http www omniflow com E mail Addresses helpdesk omniflow com Getting User Support Technical and Sales support is available worldwide through our corporate or authorized representative offices If you require user support please contact the location nearest you see insert or our corporate offices Our staff and representatives will enthusiastically work with you to ensure the sound operation of your flow computer About the Flow Computer Applications OMNI 6000 and OMNI 3000 Flow Computers are integral into the majority of liquid and gas flow measurement and control systems The current firmware revisions of OMNI 6000 OMNI 3000 Flow Computers are e 20 24 Turbine Positive Displacement Coriolis Liquid Flow Metering Systems with K Factor Linearization US metric units e 21 25 Orifice Differential Pressure Liquid Flow Metering Systems US metric units e 22 26 Turbine Positive Displacement Liquid Flow Metering Systems with Meter Factor Linearization US metric units e 23 27 Orifice Turbine Gas Flow Metering Systems US metric units 50 0000 0001 Rev Omni Page 6 of 113 Chapter 1 Overview of Hardware and Software Features About the User Manual This Volume System Architecture and installation applies to All 74 firmware revisions of OMNI 6000 and OMNI 3000 Flow Computers Target Audience As a user s reference guide this manual is intended for a sophisticat
53. 5 mode Typically one serial module can be installed in the OMNI 3000 providing two communication ports Three serial modules can be installed in the OMNI 6000 providing six communication port RS 485 Communications with an RS 232 C Serial I O Module 268 6005 This module is limited to RS 232 connections It is necessary to use an RS 232 to RS 485 converter when interfacing to RS 485 serial devices Special Considerations when SV Modules are Installed In addition to the 68 6205 Serial I O module the flow computer may have an SV Module installed to communicate with RS 485 compatible multivariable transmitters The 68 6205 Serial I O module must be jumpered to use IRQ 3 whenever an SV Module is installed Without an SV Module the IRQ jumper must always be placed in the IRQ 2 position It is not possible to use an SV Module with the older 68 6005 Serial module The 68 6205 serial module must be used whenever an SV module is installed See Technical Bulletin 980503 52 0001 0003 The total number of serial communication ports available depends upon the number of dual port serial I O modules installed The OMNI 6000 accepts a maximum of 3 serial I O modules the OMNI 3000 accepts 1 dual port module The model of the current dual port serial I O module is 68 6205 This module can be jumpered for RS232C RS485 4 wire and RS 485 2 wire communications Earlier flow computers may have an older version of dual port serial module installed model
54. 6 of 113 Chapter 1 Overview of Hardware and Software Features Single Ethernet I O Modbus Mux Module Model 68 6209 The SE Module provides one RS232 RS485 port one 10BaseT Ethernet port one 2 wire RS485 Repeater port and one RS232 Configuration port The board can be installed in place of an OMNI 3000 6000 Serial and Dual Serial Module Up to two SE Modules can be installed in an OMNI 6000 Address selection is provided with jumpers to select the correct address for the module See Technical Bulletin 020101 52 0001 0006 for additional information 50 0000 0001 Rev B JB2 90000000 00000000 00000000 00000000 232 485 gt ETHERNET REPEATER JB3 00000000 232 485 UNTERMINATED RS485 TERMINATED xE RED GRN RED GRN 3 2 3 Esej H iN m ea a S E K a PEE x i i 2 E 232 485 5 E NES x e y ADDRESS 11 52 3 zm e REPEATER Figure 17 Jumper Settings and Termination Resistor Pack Locations Omni 0820485 Page 27 of 113 Chapter 1 1 7 4 1 8 M 50 0000 0001
55. 8 6218 Power Supply When the 68 6218 Power Supply is AC powered 90VAC to 264VAC 60 Watt minimum capacity 47 440Hz applied to the AC connector or terminal block approximately 750mA at 24VDC is available from the DC terminal block on the Back Panel to drive transducer loops pre amplifiers and digital loads This power supply requires no modification however the customer must indicate North America or European use in order to receive the proper power cord NOTE On the 68 6218 Power Supply an absolute maximum of 750mA of transducer loop power is available with a fully loaded system of 6 combo I O modules 2 digital I O modules and 2 dual serial modules The loops must be powered from an external 24 VDC PSU or the computer must be DC powered if this 750mA limit is to be exceeded 3 2 2 DC Powered Unit Model 68 6118 Power Supply When the 68 6118 Power Supply is DC powered a minimum of 22 to 26 VDC 24 Watts is applied to the DC terminal block on the Back Panel this wattage figure does not include power sourced from the digital output terminals Model 68 6218 Power Supply When the 68 6218 Power Supply is DC powered a minimum of 22 to 26 VDC 30 Watts is applied to the DC terminal block on the Back Panel this wattage figure does not include power sourced from the digital output terminals The maximum common mode offset from DC or DC to Earth ground must be less than 120 VDC 3 2 3 Service amp Fuse Replacement e
56. 9 4 68 6001 Microprocessor amp Memory Type Coprocessor EPROM Static RAM Real Time Clock Logic Voltage Over voltage Protection Transient Protection for Power Supply Module Model 68 6118 Transient Protection for Power Supply Module Model 68 6218 RAM Memory Battery Backup Typical Memory Backup Period 32 bit CMOS Microprocessor Clock Speed 16 MHz 0 wait state Throughput 4 000 000 instructions sec Floating point math coprocessor Clock Speed 16 MHz Throughput 50 000 floating point operations sec 1 MB 1 MB Maximum RAM available for archive approx 200K with plug in RAM and approx 750K with SMT RAM Battery backed up time of day programmable interval down to 10 msec Maintains time during power loss Reports downtime on power up 5 VDC Crowbar on power supply fires at 6 25 VDC approx Transorbs on power supply module Transorbs on power supply and backplane 3 6 VDC NiMH rechargeable 30 days assured 60 days typical with power removed The actual backup period is dependent on the ambient temperature of the equipment Higher ambient temperatures increase the internal discharge rate of the battery 9 5 68 6201 Microprocessor amp Memory Type 32 bit Microprocessor Clock Speed 150 MHz Maximum Flash 4 Fast RAM 4 MB RAM 2 MB Battery Backed 1 5 MB minimum Real Time Clock Logic Voltage Over voltage Protection Transient Protection for Power Supply Modu
57. C Qe 120 VAC DUAL CHANNEL or TRANSFORMER ISOLATED 220 VAC TYPE INTRINSIC SAFETY BARRIER WITH BUILT IN AMPLIFIER 10 COMMON RETURN 3 ORUSE 5 30 VDC POWER SUPPLY VOS BOE LY TERMINAL ON FOR PULL UP OF PASSIVE TRANSISTOR THE OMNI BACK PULSE OUTPUTS PANEL Available Dual Channel Amplifiers Invensys P N Model No Mailing Dwg No 950965 KFD2 SOT Ex 2 MM 1708 B 951163 KFA5 SOT2 Ex 2 120 VAC MM 1708 B 951164 KFA6 SOT2 Ex 2 220 VAC MM 1708 B 950966 WET77 Ex2 OT old style 120 VAC Not Available A B C D E G H J Comments 950965 1 3 4 6 8 7 10 9 11 12 ForSlot Sensors 951163 1 3 4 6 8 7 10 9 11 12 For Slot Sensors 951164 1 3 4 6 8 7 109 11 12 ForSlot Sensors 950966 8 9 2 1 13 15 10 12 18 17 Jumpers 7 8 amp 2 3 Figure 80 Wiring SLOT SENSOR Signals to E Type Combo Modules 50 0000 0001 Rev B SWS Omni Page 83 of 113 Chapter 5 Connecting to Transducers and Transmitters AAT TURBO SENSING ROTOR WITH BLADE TIP SENSOR OMNI COMBO MODULE TYPE PULSE INPUT MAIN ROTOR 10 K OHM PULL UP RESISTORS PASSIVE TRANSISTOR OUTPUTS PULSE INPUT SENSING ROTOR SEE MFG DWG c FOR MOD amp P N PWR AND p TERMINAL AAT TURBO CONNECTIONS e MAIN ROTOR PA SENSOR DUAL CHAI eR COMMON TIP SENSOR lt DUAL CHANNEL 10 TRANSFORMER ISOLATED 220 VAC RETURN TYPE INTRINSIC SAFETY BARRIE
58. Fidelity Checking on the two pulse input channels Two 4 20 mA analog outputs are always available on the E D and E Type Combo Modules 2 4 1 The E D Type Combo I O Module The E D Type Combo Module is simply an E Type Combo Module with the JPD jumper IN on the 6008 in the E D position on the 6208 Figures 27 and 28 Input Channels 1 and 2 are analog input channels that are configured by jumpers for 1 5 volt 4 20 mA or 4 wire RTDs Input Channels 3 and 4 are always configured to measure periodic time They accept pulse signals from digital densitometers Each module is connected to the back panel terminal blocks via 12 wires on the ribbon cables The actual terminal numbers used depend upon which backplane connector the module is plugged into Table 6 Table 6 E D Combo Module Back Panel Terminal Assignments TB Terminal 1 TB Terminal 2 TB Terminal 3 TB Terminal 4 TB Terminai 5 TB Terminal 6 TB Terminal 7 TB Terminal 8 TB Terminal 9 Internally connected to DC Power Return TB Terminal 11 Analog Output 1 4 20mA TB Terminal 12 Analog Output 2 4 20mA 50 0000 0001 Rev B Page 42 of 113 Chapter 2 Process Input Output Combination Module Setup
59. Flow Signals 50 0000 0001 Rev B Page 81 of 113 Chapter 5 Connecting to Transducers and Transmitters DIGITAL SICK FLOWSIC I O MODULE 600 ULTRASONIC GAS FLOWMETER Connection Terminal 1 Digital In1 2 0 Digital In 2 Freq B Freq B RS 485 RS 485 E COMBO MODULE Pulse Input Ch 3 Mode Pulse Input Ch 4 Pulse Input 4 3 Q Input 4 Return 9 Freq A Q Freq A 10 Signal Return Flow Dir Flow Dir SV COMBO MODULE 1 Z 25485 2 RS485 A 1 4 PA POWER TERMINALS DC DC D bc Figure 79 Wiring Forward amp Reverse with Dual Pulse Fidelity amp Integrity Checking 50 0000 0001 Rev B AV Omni Page 82 of 113 Chapter 5 Connecting to Transducers and Transmitters 5 8 9 Wiring of Invensys Auto Adjust AAT Turbo Meter Figures 77 78 79 80 and 81 are the typical wiring diagrams for the AAT Turbo Meter Additional information on this meter can be found in Technical Bulletin 000314 52 0003 0005 also available on the web site www Omniflow com OMNI COMBO MODULE RED AAT TURBO PULSE INPUT MAIN ROTOR MAIN ROTOR ulis B 10 K OHM PULL UP RESISTORS SLOT SENSOR BLK ar paa 0 PULSE INPUT z L 6 SENSING ROTOR 7 WHT 4 SEE MFG DWG O AAT TURBO FOR amp PIN 1 SENSING ROTOR INPUT PWR AND Qs WITH TERMINAL j SLOT SENSOR CONNECTIONS 24 VD
60. For AC powered units incorporate a readily accessible disconnect device external to the equipment e Minimum recommended panel thickness 0 188in 4 8mm Panel thickness x0 125in 3 2mm be used if rear support is provided Dimensions shown in inches and millimeters Approximate weight 3000 NEMA Mount Chassis 8 lbs 3 6kg 6000 NEMA Mount Chassis 12 lbs 5 4kg Figure 36 NEMA Chassis Mounting Options 50 0000 0001 Womni Page 53 of 113 Chapter 3 Mounting and Power Options Figure 37 3000 NEMA Mount Chassis 50 0000 0001 Rev B N Page 54 of 113 Chapter 3 Mounting and Power Options Figure 38 6000 NEMA Mount Chassis 3 1 4 NEMA 4 4X Configurations Both the NEMA 4 and NEMA 4X are weather proof enclosures Figure 39 The NEMA 4 is a carbon steel enclosure
61. L PULSE P JUMPERS d REMOVE 4 20 JUMPER SELECT APPROPRATE um MODULE ADDRESS JUMPERS ww 2 INPUTS 1 AND 2 55 21 4 207 SET AS RTD OR 4 20 AS REQUIRED Figure 22 6006 A Combo Pulse Input Jumper Settings 50 0000 0001 Rev B SWS Omni Page 38 of 113 Chapter 2 Process Input Output Combination Module Setup INSTALL ANALOG OUT 2 DC JUMPER i ANALOG OUTPUT 2 SELECT O D A2 SECOND ANALOG OUT RTD2 D A2 A AC wc RTD2 EXCITATION SOURCE DC Ags 33 P E E 4 ej 16 2 A SELECT APPROPRATE mm ii E eni T ADDRESS JUMPERS LI 217 eem Hi mmg II AE mre if 3 I iH Ped e Oa I EEG LIE o C a CI P 1 2 e ts g 5 i A I 5 mg jag 6 m w QU j CHANNELS 1 AND 2 INPUT CHANNEL 3 amp OR 4 SELECT A TYPE SELECT INPUT TYPE P INSTALL ANALOG A JUMPERS INPUT BE s SET 4 20 JUMPER AS REQUIRED 6 TYPE DRE ot 2 x mu
62. Module iacit ttr petuo ette deut pe eter tton epe Re ae pe 424 2 6 The Type Combo I O 40222 1 0 00000002 1 1 nennen nennen nnns nnne tnter nnns 46 2 T The SV Type Combo VO Module 46 2 8 The HT ZHM HART Module iii ee corbata te en eg Aide deere ten 48 3 Mounting and Power 49 3 1 Mechanical 49 3 2 MM 56 4 Connecting 60 4 1 Turbine Flowmeter A or B Combo 60 4 2 Wiring Flowmeter Signals to E Type Combo Modules seen emen 60 4 3 Faure Herman Turbine Meters E Combo Module sss 61 4 4 Pulse Fidelity and Integrity Checking with E Type Combo 62 5 Connecting to Transducers and 63 5 1 Wiring the Input 63 52 Wiring ora Dry C Type adatto gu 63 5 3 Wiring RTD Probes Dg 64 5 4 Wiring Densitometers 65 5 5 Gas Densitometer Solartron Model 7812 sss 73 5 6 Wiring of Honeywell ST3000
63. ODULE HONEYWELL 1 SMART Input Ch 1 TRANSMITTER 2 Input ch 1 Figure 65 Wiring of a Honeywell Smart Transmitter 50 0000 0001 Rev Omni Page 74 of 113 Chapter 5 Connecting to Transducers and Transmitters 5 7 Wiring of HART Transmitters One HART transmitter can be wired to each network on and HT module up to four transmitters or one multi variable transmitter can be wired to the networks on an HM module Figure 66 Refer to Technical Bulletin 090003A 52 000 0019 68 6207 HT HM HART Module for additional wiring diagrams 24VDC 24VDC OMNI 68 6207 OMNI 68 6207 HART INTERFACE BOARD HART INTERFACE BOARD 250 Ohm 500 Ohm 250 Ohim 600 JUMPER JUMPER NET OUT V DC RETURN DC RETURN Figure 66 HART Connection using External Load 5 8 Wiring Micro Motion Transmitters 5 8 1 Connecting Micro Motion RFT9739 Transmitter to A Type or E Type Process I O Combination Modules The frequency pulse output that represents the volume flow from the RFT9739 Transmitter can be wired directly into either Frequency Channel 3 or 4 on A Type or E Type Combo Modules Technical Bulletin 980401 52 0001 0001 per Figure 67 MICRO MOTION RFT 9739 A or E TYPE COMBO MODULE 2 Pulse Input 3 or 4 Signal Return FLOW PULSE A B E D or E TYPE COMBO MODULE 7 4 20mA Input D Signal Return DENSITY B A B E D or E TYPE COMBO MODULE 4 20mA
64. Omni Page 77 of 113 Chapter 5 Connecting to Transducers and Transmitters DANIEL SENSORSONIC ULTRASONIC FLOWMETER E P2 Electronic Peripheral COMBO MODULE Field Connection Board 50 Pulse Input Ch 3 6 Pulse Input Ch 4 Signal Return SV TYPE Electronics COMBO MODULE Terminal Board 1 2 RS 485 B 2D RS 485 A RS 485 3 5 4858 RS 485C 47 RS 485 RS 485 RS 485 RS 485C RS 485 PORT 1 PORT 2 Figure 72 Forward Flow with Dual Pulse Fidelity amp Integrity Checking DANIEL SENSORSONIC E TYPE ULTRASONIC FLOWMETER COMBO MODULE P2 Electronic Peripheral 5 Field Connection Board Pulse Input Ch 3 52 Pulse Input Ch 4 FREQ 1 FREQ 1B FREQ 2A FREQ 2B E TYPE COMBO MODULE Signal Return 52 Pulse Input Ch 3 Electronics Terminal Board RS 485 RS 485 5 485 RS 485 Signal Return RS 485 5 485 5 COMBO MODULE 10 Rs 485 2 PORT 1 RS 485 A 3 RS 485 B 2 PORT 2 RS 485 A Figure 73 Forward amp Reverse Flow with Dual Pulse Fidelity amp Integrity Checking 50 0000 0001 Rev Omni Page 78 of 113 Chapter 5 Connecting to Transducers and Transmitters 5 8 6 Wiring of Instromet Q Sonic Ultrasonic Flowmeter Figure 71 as shown are the typical wiring diagrams for the ultrasonic Meter Additional information on this meter can be found in Technical Bulletin 990101 52 0004 0001 also available on the web site www
65. Omniflow com Q SONIC ULTRASONIC GAS FLOWMETER A COMBO MODULE Pulse Input 3 Frequency Output 3 Input 3 Return Pulse Input 4 Reverse Input 4 Return Signal Return RS 485 RS 485 2 Q 8 z uo 8 g f 2K4 1 2 Watt POWER TERMINALS POREO Terminal Block 2 DC Figure 74 Wiring of Q Sonic Ultrasonic Gas Flow Meter 5 8 7 Wiring of FMC MPU1200 Ultrasonic Gas Flow Meter Model A or B Figures 72 73 and 74 are the typical wiring diagrams for the ultrasonic Meter Additional information on this meter can be found in Technical Bulletin 010701 52 0004 0002 also available on the web site www Omniflow com FMC MPU 1200 FLOWMETER A COMBO MODULE PULSE 1A PULSE 1A Pulse Input 3 Input 3 Return Pulse Input 4 Input 4 Return PULSE 2A PULSE 2A Signal Return SV COMBO MODULE 1g 5485 2 7 RS485 TxD RxD TxD RxD 2K2 to 10K 1 4 Watt POWER TERMINALS D bc D bc Figure 75 Forward and Reverse Flow Signals 50 0000 0001 Rev Omni Page 79 of 113 Chapter 5 Connecting to Transducers and Transmitters FMC MPU 1200 FLOWMETER E COMBO MODULE PULSE 1 52 Pulse Input 3 6 2 Pulse Input 4 PULSE 1B Signal Return SV COMBO MODULE 1 Z RS485 B TxD RxD s 2 POWER TERMINALS QD vc OD nc Figure
66. R WITH BUILT IN AMPLIFIER 3 5 30 VDC POWER SUPPLY ORUSE 24 VDC SUPPLY FOR PULL UP OF PASSIVE TERMINAL ON TRANSISTOR THE OMNI BACK BLADE TIP PULSE OUTPUTS PANEL SENSOR PRE AMP BOARD IN METER 12 VDC 715 1 SUPPLY PWR BARRIER BLADE TIP PRE AMP Available Dual Channel Amplifiers Invensys P N Model No Supply Power Mailing Dwg No 951342 KFD2 SOT Ex 2 Y93522 24 VDC MM 1890 B C D E J Comments 951342 2 3 5 6 8 7 10 9 11 12 Blade Tip Sensors Figure 81 Wiring BLADE TIP SENSOR Signals to E Type Combo Modules 50 0000 0001 Rev B Omni Page 84 of 113 Chapter 6 Connecting Analog Outputs and Miscellaneous I O Including Provers Chapter 6 Connecting Analog Outputs and Miscellaneous I O Including Provers 6 1 Analog Outputs Analog outputs are available for RTUs remote terminal units flow controllers and recording devices The analog outputs source 4 20 mA into a load wired to the flow computer s DC power return Maximum load resistance is 950 ohms at 24 VDC at the flow computer s DC terminal Digital to Analog conversion is accomplished with a 12 bit binary resolution A E E D H and HV combo modules provide two digital analog outputs Figure 82 B combo modules have only one digital to analog output SV Modules provide six digital to analog outputs To calibrate each of the outputs is set to output 4 00 and then 20 00 mA while in the Diagnostic Mode
67. RIAL PORTS 1 2 BACK PANEL TB3 1 12 DIGITAL 1 0 13 24 BACK PANEL TB2 1 12 DIGITAL 1 0 1 12 BACK PANEL 1 1 12 SPARE SPARE SPARE CPU COPROCESSOR MEMORY Figure 3 OMNI 6000 Mother Board 1 4 Back Panel Terminal Board All signal I O terminals and power connector terminals are available on the Back Panel The AC power receptacle of the OMNI 6000 and OMNI 3000 Back Panel is an IEC 60320 C14 power inlet connector assembly with an integral line filter The DC power connector is a screw type terminal block Both AC and DC fuse holders are also mounted on the Back Panel for easy access For detailed power requirements refer to Input Power Section 3 2 1 4 1 Signal I O Terminations The OMNI 3000 terminal blocks are identified as TB1 through TB4 with terminals marked 1 through 12 for each block These provide 48 circuit paths to the passive backplane Each terminal block corresponds to the I O module slot on the Mother Board The DC terminals are on TB5 marked plus and minus Figure 4 The OMNI 6000 terminal blocks are identified TB1 through TB10 with terminals marked 1 through 12 for each block These provide 120 circuit paths to the passive backplane Each terminal block corresponds to the I O module slot on the Mother Board The DC terminals are on TB11 marked plus and minus Figure 4 NOTE For detailed power requirements including fuse type rating and part numbers refer to Input Power Section 3 2
68. Software Features For Your Information NS About Our Company Measure the Difference OMNI Flow Computers Inc is the world s leading manufacturer and supplier of panel mount custody transfer flow computers and controllers Our mission is to continue to achieve higher levels of customer and user satisfaction by applying the basic company values our people our products and productivity OMNI Flow Computers Our products are currently being used world wide at Offshore oil and gas production facilities Crude oil refined products LPG NGL and gas transmission lines Storage truck and marine loading offloading terminals Refineries petrochemical and cogeneration plants Our products have become the international flow computing standard OMNI Flow Computers pursues a policy of product development and continuous improvement As a result our flow computers are considered the brain and cash point of liquid and gas flow metering systems Our staff is knowledgeable and professional They represent the energy intelligence and strength of our company adding value to our products and services With the customer and user in mind we are committed to quality in everything we do devoting our efforts to deliver workmanship of high caliber Teamwork with uncompromising integrity is our lifestyle Contacting Our Corporate Headquarters OMNI Flow Computers Inc 12620 West Airport Suite 100 Sugar Land Texas 77478 USA Phone 281 2
69. UT 3 INPUT 4 ANALOG DOUBLE OUTPUTS FIDELITY CHRONO METRY PROVING 1 5v 4 20mA RTD 1 5v 4 20mA Flow Pulses 4 20mA 1 5v 4 20mA RTD 1 5v 4 20mA Frequency One No No Flow Pulse Density 4 20mA E D 1 5v 4 20mA RTD Frequency Density Two No 4 20mA 1 5v 4 20mA RTD Flow Pulses Two Yes Yes 4 20mA Honeywell DE Protocol Two No 4 20mA HV Honeywell Multivariable DE Protocol Two No 4 20mA HT HM HART FSK Protocol Two No No 4 20mA SV RS 485 Multi drop to Various Multivariable Transmitters Six No No 4 20mA Setting the Address of the Combo Modules Jumpers are provided on each combo module that allows the user to select the address needed to configure the module Changing the firmware functions of the module is also done by moving the appropriate jumper i e A or B Type E or E D H or HV Type Hardware Analog Configuration Jumpers Other jumpers are provided on each module that select the correct hardware circuits needed for the type of signal that each input channel will accept This allows the same basic hardware module to accept signals such as 4 20 mA 1 5 VDC or 1000hm RTD probes as well as voltage or current pulses from a turbine PD meter or digital densitometer Process I O Combo Module Addresses Versus Physical I O Points CAUTION Combo modules are sorted alphabetically and by low to high address Adding or removing cards may change the existing sort if the Check I O function is executed A flow computer
70. Volume 1 System Architecture and Installation VOLUME 1 SYSTEM ARCHITECTURE AND INSTALLATION Table of Contents L9 88 n 1 System Architecture and Installation 1 1 Overview of Hardware and Software Features 10 1 1 e er E muti itii 10 1 2 Operators 11 1 3 Passive Backplane Mother eene 12 1 4 Back Panel Terminal 14 1 5 68 6001 CPU 17 1 6 68 6001 CPU Module with SMT 18 1 7 68 6201 CPU Module riter tene i Een e dac e pee abc a 19 1 8 Power 50 28 1 9 Firmware and SoftWare reed na EE Ense DR RE Ma ER Renee nba Ra ERR 30 2 Process Input Output Combination Module Setup eere 33 2 1 33 22 Features of the Combo 33 2 3 The A and B Combo VO Modules iioii tr enc doc Y ev genet ya edat matos 36 24 Ihe E D and E Combo Modules 5 1r 42 2 5 Combo VO
71. ad its temperature coefficient trimmed to 10 ppm F To avoid temperature gradient effects and for best results always allow the internal temperature of the computer to stabilize before making your final calibration adjustments The Y keysare used as the Zero adjustment and the keys are used for the Span adjustment Adjustments made when the Shift LED is on are approximately ten times more sensitive Holding the arrow keys longer than two seconds speeds up the rate of adjustment The Span adjustment has no effect at 4mA or 1v Always adjust the Zero first at exactly 4mA or 1v Leaving the Diagnostic Mode In the Select Input Output screen press the Diag key to return to the Display Mode Diagnostic LED will turn off To calibrate the input channel follow these instructions e Disconnect the transducer signal and replace it with a stable current or voltage source capable of inputting 4 000 to 20 000 mA or 1 000 to 5 000 V signal Set the input signal to 4 000 mA or 1 000 V as applicable e Wait 30 seconds for the reading to stabilize e Using the Up Down arrow keys adjust the displayed value so it reads 4 000 mA 1 000 V Set the input signal to 20 000 mA or 5 000 V as applicable e Wait 30 seconds for the reading to stabilize e Using the Left Right arrow keys adjust the displayed value so it reads 20 000 mA 5 000 V e Recheck step 2 No further adjustment is normally needed if the Zero is ad
72. allowing either pulse train channel 3 or 4 on the module to be proved Input Channels 3 and 4 must be used to input flowmeter pulses Input Channels 1 and 2 are analog input channels that are configured by jumpers for 1 5 volt 4 20 mA or 4 wire RTDs Both RTD excitation current sources are always available Each module is connected to the back panel terminal blocks via 12 wires on the ribbon cables The actual terminal numbers used depend upon which backplane connector the module is plugged into Table 7 Table 7 E Combo Module Back Panel Terminal Assignments Internally connected to DC Power Return 2 5 The Type Combo I O Module The H Type Combo Module Figure 29 is a special module that is used to communicate with Honeywell field transmitters using the Honeywell DE Protocol It can communicate with up to 4 Honeywell Smart Transmitters It operates on a point to point basis Honeywell Model ST3000 temperature pressure and differential pressure transmitters are compatible Transmitters operating in the analog mode are automatically given a wake up pulse and switched into the DE Mode as soon as they are connected and assigned a meter run function TB Terminal 7 Double Chronometry Detector Switch In Active Low Two analog outputs are always available on this module Each module is connected to the back panel terminal blocks via 12 wires on the ribbon cables The actual terminal numbers use
73. ammable logic controllers and other devices 50 0000 0001 Rev B Page 86 of 113 Chapter 6 Connecting Analog Outputs and Miscellaneous I O Including Provers PROVER DETECTOR SWITCHES DIGITAL I O MODULE Digital 1 0 1 LL 30 Digital 1 0 2 Digital I O 3 Digital I O 4 L Relay Contact 5 9 7 Q Digital I O 5 Digital I O 6 Digital I O 7 Digital I O 8 Digital I O 9 Digital I O 10 Digital I O 11 Digital I O 12 PLC DIGITAL I O INPUT Positive Logic RELAY POWER TERMINALS N O N C DC COM DC Figure 85 Connecting Digital I O Devices to the Flow Computer 6 3 Provers 6 3 1 Connecting Pipe Prover Detector Switches NOTE The prover detector switch signal activates an interrupt request into the computer Jumpers JP1 and JP2 on digital I O module 1 Figure 5 control which edge of the signal will cause the interrupt Pulse counting should start when the sphere first activates the detector switch Install JP1 in cases where the detector switch s normally opened contacts are used Figure 9 Install JP2 in cases where the detector switch s normally closed contacts are use When using double chronometry proving the detector switch input is not connected to a digital module it is connected to Terminal 7 of a terminal strip connected to an E Type Combo I O Module Pipe prover detector switches are the only I O signal that must be connected to a specific I O point
74. and DC power source requirements as well as unit power and fuse ratings for various configurations CAUTION POTENTIAL FOR DATA LOSS RAM Battery Backup OMNI flow computers leave the factory with a fully charged NiMH battery as RAM power backup RAM data including user configuration and I O calibration data may be lost if the flow computer is disconnected from external power for more than 30 days Observe caution when storing the flow computer without power being applied for extended periods of time The RAM back up battery is rechargeable and will be fully charged after power has been applied for 24 hours NOTE ENVIRONMENTAL The maximum system configuration of 24 process inputs 12 process outputs 24 digital points and 4 serial I O channels dissipates approximately 24 Watts This causes an internal temperature rise of 15 F over the ambient The unit should not be mounted in a cabinet or panel where the ambient inside the cabinet will exceed 125 F 50 0000 0001 Rev B Page 56 of 113 Chapter 3 Mounting and Power Options i lo olo f i uot aar 2
75. attery Backup OMNI flow computers leave the factory with a fully charged NiMH battery as RAM power backup RAM data including user configuration and I O calibration data may be lost if the flow computer is disconnected from external power for more than 30 days Observe caution when storing the flow computer without power being applied for extended periods of time The RAM back up battery is rechargeable and will fully charge after power has been applied for 24 hours FLASH N PDATE WATCHI Figure 9 6201 CPU Module CPU Jumper Settings FLASH UPDATE Enabled position for updating the Flash memory Disabled position for Normal Operation WATCHDOG Out for Factory use only In for Normal Operation Refer to Technical Bulletins Reflashing 68 6201 CPU 52 0000 0016 080002 or OMNI 68 6201 CPU 52 0000 0015 071201 for additional detail Input Output I O Modules OMNI Flow Computers utilize an I O bus system All I O is modular and plug in for easy field maintenance and replacement I O circuitry is also photo optically isolated from all field wiring which makes it relatively immune to electrical noise and prevents damage to the elec
76. atus 111 Multi bus Serial I O 111 luu Vm 111 qM CU 112 Operator Keypad M 112 LCD Display 2 2 ede fo Ee e tede lg i PUE Dna Ee ad NE 112 Electromechanical Counters trn te tet ette ett neta x rer nea Rd TR E Re hu a ede dada 112 Operating Mode Indicator LEDs tienden Lee Eo Ceo dee ed 112 SECUN eiren 113 Page 2 of 113 Volume 1 System Architecture and Installation Figures Figure 1 OMNI Front Panel ue da ee etl 12 Figure 2 OMNI 3000 Mother BOSE acies icon SR pedi aloe uda det diverts 13 Figure 3 OMNI 6000 Mother Board iiie edicit 14 Figure 4 OMNI 3000 and 6000 Back nnne nnne 15 Figure 5 OMNI 3000 and 6000 Extended Back 16 Figure 6 68 6001 CPU Module HI dai 17 Figure 7 6001 CPU Module with Daughter 18 Figure 8 6001 CPU with SMT RAM NER 18 Figure 9 6201 CPU Module 19 Figure 10 Matching the I O Modules to the Back Panel Terminations 20 Figure 11 Photo Optical SOOO
77. auses the piston to be pushed downstream by this excess pressure and can lead to inaccurate provings The OMNI Flow Computer can monitor the plenum pressure and line pressure and automatically increase or decrease the spring pressure by charging or venting nitrogen from the plenum chamber Before commencing a proving run the OMNI Flow Computer checks the plenum pressure versus the required pressure and activates either the charge or vent solenoid valve The pressures will be matched within some user entered deadband percent The OMNI activates the solenoids via low voltage relays not shown An additional enhancement shown is a pressure switch signaling low nitrogen bottle pressure In this case the prove attempt would be aborted if it became impossible to achieve the correct plenum pressure REDUCER BROOKS CHARGE SOLENOID PLENUM VALWE CHAMBER MNI CONTACT TO OMNI 600 PSI PRESSURE NITROGEN SWITCH DETECTS BOTTLE RESERVES LOW VENT COMMAND 1500 PSI FROM OMNI TO OMNI NEEDLE VALVE VENT ORIFICE Figure 87 Controlling the Plenum Pressure of a Brooks Compact Prover Page 89 of 113 Chapter 7 Connecting to Serial Devices Chapter 7 T Connecting to Serial Devices 7 1 Serial Port Connection Options NOTE Up to 12 flow computers and or other compatible serial devices can be multi dropped using OMNI s proprietary RS 232 C serial port 32 devices may be connected when using the RS 48
78. combo module The second RTD excitation source RTD2 jumper position will not be available if the second 4 20 mA analog output is in use D A2 jumper position This is a limitation caused by the number of circuits available from the Back Panel terminal to each combo module On a B Type module the second analog output is not available therefore this second RTD excitation source is always available 2 3 1 The A Type Combo I O Module NOTE The second analog output is not available in cases where the ANALOG OUT 2 jumper is in the RTD2 position selecting the second RTD excitation current source You may be able to avoid using the second RTD excitation source and save losing an analog output by using an unused excitation source on another combo module Figure 21 22 23 and 24 The A Type Combo Module is the most common configuration It accepts 4 process inputs and provides two 4 20 mA analog outputs Each module is connected to the back panel terminal blocks via 12 wires on the ribbon cables The actual terminal block used depends upon which backplane connector the module is plugged into Table 4 Table 4 A Combo Module Back Panel Terminal Assignments Internally connected to DC Power Return TB Terminal 12 Analog Output 2 4 20mA OR RTD Excitation Current Source 2 See ANALOG OUT 2 Jumper Setting 50 0000 0001 Rev B Page 37 of 113 Chapter 2 Process Input Output Combination Module Setup
79. combo modules installed must have a different identity i e you cannot have two or more modules of the same type and address Valid ID s are A1 through A6 B1 through B6 E D 1 through E D 6 E1 through E6 H1 through H6 HT1 though HT4 HM1 through HM4 and SV1 through SV2 Only one HV Module can be installed Modules are plugged into DIN type connectors on the passive backplane The OMNI 6000 backplane connector has 12 circuits OMNI 3000 has 4 circuits which connect to the back panel terminal strips via ribbon cables Combo I O modules are plugged into the backplane starting at I O Position 5 OMNI 6000 or I O Position OMNI 3000 and working towards Position 10 OMNI 6000 or Position 4 OMNI 3000 The preferred order is lowest number A Type to highest number H HT or HM types then SV and HV modules The following chapter provides detailed information of the process I O combo modules and includes illustrations and jumper settings Chapter 2 Process I O Combo Module Setup Power Supply The OMNI Flow Computer can be AC or DC powered Presently OMNI offers the 6218 Universal PSU The 6218 Power Supply can operate between 90 and 264VAC input without any adjustments See section 3 2 Input Power for detailed power information The maximum system configuration of the OMNI is 24 process inputs 18 process outputs are possible if an SV module is installed 24 digital I O points and 6 serial I O channels This Equipment dissipate
80. configurations to measure crude oils refined products NGLs LPGs Ethylene Propylene Natural gas and Specialty gases Measurement of other flowing products can also be provided Extensive communications capability enables the OMNI 6000 to be used in a variety of Master Slave configurations for high speed data transfer applications and as a large communication sub master The flow computer can also be hardware configured as a medium size Remote Terminal Unit with significant digital I O capability Your OMNI Flow Computer connects to various sensors monitoring pipeline flow in your transmission petrochemical or process measurement application It calculates displays and prints data that will be used for operational or billing functions The computer is configured to match your piping system requirements Its non restrictive bus design permits any combination of inputs and outputs to meet most metering flow and valve control and communication requirements Page 10 of 113 Chapter 1 1 2 1 2 1 1 2 2 1 2 3 1 2 4 1 2 5 1 2 6 50 0000 0001 Rev B Omni Overview of Hardware and Software Features Plug in modules furnish the input and output channels as needed and provide an assurance of maximum product life by higher accuracy measurement technologies such as meter pulse fidelity checking Rosemount and Honeywell digital transmitter interface modules and HART interface modules Up to 4 6 serial ports in
81. ctor switch signals called First and Final Pickoff by Brooks are connected to the Detector Switch input of each E Type Combo Module installed in the flow computer The following diagram shows the complete installation wiring including 4 20 mA signals representing the temperature and pressure of the prover cylinder as well as the nitrogen plenum chamber The 12 volt DC power supply is user supplied BROOKS DIGITAL I O MODULE TERMINAL BRD 1 2 Digital In 2k2 a UPSTREAM Digital Out ON 12V S DETECTORS 72 Detecter Taput uum 100 12 COMBO MODULE A or E TYPE COMBO MODULE 4 20mA Input 9 ey Z Signal Return on PROVER TEMPERATURE 4 2984 tipa Gy e Epis jo 12 PLENUM PRESSURE 2 4 20mA Input 13 Z Signal Return PROVER PRESSURE POWER TERMINALS 24V D DC bc bc bc C T DC POWER SUPPLY 12V 1A Figure 86 Wiring to a Brooks Compact Prover Page 88 of 113 Chapter 6 6 3 3 50 0000 0001 Rev B Connecting Analog Outputs and Miscellaneous I O Including Provers Controlling the Plenum Pressure of a Brooks Compact Prover The plenum chamber pressure is used as an air spring to close the poppet valve of the prover piston This causes the piston to be moved forward by the flowing liquid The pressure required to close the poppet valve varies with pipeline pressure Too high a plenum pressure c
82. d depend upon which backplane connector the module is plugged into Table 8 50 0000 0001 Rev B NV Omni Page 44 of 113 Chapter 2 Process Input Output Combination Module Setup Table 8 H H V Combo Module Back Panel Terminal Assignments TB Terminal 1 Input Channel 1 Transmitter Positive Terminal TB Terminal 2 Input Channel 1 Transmitter Negative Terminal TB Terminal 3 Input Channel 2 Transmitter Positive Terminal Not Used Signal Return for signals marked Internally connected to DC Power Return Analog Output 1 4 20mA Analog Output 2 4 20mA inal TB Terminal 4 Input Channel 2 Transmitter Negative Terminal TB Terminal 5 Input Channel 3 Transmitter Positive Terminal inal TRANSMITTER LOOP STATUS LEDs GREEN TRANSDUCER TX RX RED FLOW COMPUTER TX 686004 ICH 4 CH 2 CH 1 dii egg m ao E a ik 5 9081 JP3 EU 808005050 JP1 JP2 JP3 Figure 29 H H V Type Combo Module Jumper Settings 50 0000 0001 Rev B N Omni Page 45 of 113 Chapter 2 Process Input Output Combination Module Setup Four sets of LED indicators show the status of each transmitter loop The red LED flashes when the flow computer is transmitting data to the transmitter such as a change of range etc The green LED shows that data is bei
83. d for extended periods of time The RAM back up battery is rechargeable and will fully charge after power has been applied for 24 hours These two alternate CPU modules are equipped with Surface Mount Technology for the RAM area One CPU module with a daughter board containing and U4 EPROM s along with the surface mount RAM Figure 7 The second version eliminates the daughter board placing both EPROMs and SRAM directly onto the CPU Figure 8 INFIGURATIOF EPROM ATCHDOG MPER IN Figure 7 6001 CPU Module with Daughter Board INFIGURATIOP lel lel nmi ATCHDOG JUMPER IN Figure 8 6001 CPU with SMT RAM 50 0000 0001 Rev B SWS Omni Page 18 of 113 Chapter 1 Overview of Hardware and Software Features 1 7 68 6201 CPU Module This CPU Module contains an updated processor faster clock and additional code and data memory space The EPROM sockets have been replaced by Flash memory to hold the application firmware Figure 9 CAUTION Potential for Data Loss RAM B
84. de Diagnostic LED will turn off Press Diag to return to the selection screen as follows Select Input Output to Calibrate Press Diag to Exit 8 3 5 Verifying the Operation of the Front Panel Counters The front panel counters A B and C can be forced to output a single count to verify operation To force a counter output in the diagnostic mode using the display as follows press counts and the number of the counter 1 B 2 C 3 and press enter A password will be required the first time You should notice that the counter will increment by one count Select Input Output to Calibrate Press Diag to Exit Counts 1 Force to Output Press Alpha Shift Enter Press Enter Password Required Enter Password Press enter Press Diag to return to the selection screen as follows Select Input Output to Calibrate Press Diag to Exit 50 0000 0001 Rev B Omni Page 105 of 113 Flow Computer Specifications Chapter 9 Chapter 9 9 Flow Computer Specifications 9 1 Dimensions CAUTION OMNI Flow Computers Inc pursuant to a policy of product development and improvement may make any necessary changes to these specifications without notice Panel Cut out Behind Panel Front Panel Bezel Weight 9 2 Environmental Operating Temperature Storage Temperature Relative Humidity 9 3 Electrical Supply Voltage for Power Supply Module Model 68 6118 Supply Voltage fo
85. e Omni Page 23 of 113 Chapter 1 Overview of Hardware and Software Features Address S1 Selected for Serial Ports 1 amp 2 68 6205 Port 22 4 Jumpers RS 485 Options Only Address Selection Jumpers for Se REV F Address S2 Selected Address S3 Selected rial Ports 3 amp 4 IRQ Select Jumper N 9 IRQ 2 Selected If using an SV Module select IRQ 3 LED Indicators PORT B 2 2 Port 1 3 Jumpers Hard wired to RS 232 C Only Figure 14 Model 68 6205 Jumper and Termination Resistor Packs The RS 232 485 Module has been designed so that RS 232 or RS 485 communications standards can be selected by placement of 16 pin resistor networks into the correct blocks Figure 20 shows the locations of blocks JB4 JB5 JB6 for Port 1 and JB1 JB2 JB3 for Port 2 for each format Note that the label settings in use are actually covered up by the resistor networks NOTE Terminated Non terminated RS 485 The RS 485 devices located at each extreme end of an RS 485 run should be terminated Note that the device located at an extreme end may or may not be an OMNI Flow Computer 50 0000 0001 Rev B Page 24 of 113 Chapter 1 Overview of Hardware and Software Features RS 232 JB1 or JB4 JB2 or JB5 JB3 or JBG 00000000 900000000 RS 485
86. e Flow with Dual Pulse Fidelity amp Integrity Checking 78 Figure 74 Wiring of Q Sonic Ultrasonic Gas Flow Meter 79 Figure 75 Forward and Reverse Flow 79 Figure 76 Forward Flow Only Dual Pulse Fidelity amp Integrity Checking 80 Figure 77 Forward amp Reverse Flow Only Dual Pulse Fidelity amp Integrity Checking 80 Figure 78 Forward and Reverse Flow Signals esee eee 81 Figure 79 Wiring Forward amp Reverse with Dual Pulse Fidelity amp Integrity Checking 82 Figure 80 Wiring SLOT SENSOR Signals to E Type Combo Modules 83 Figure 81 Wiring BLADE TIP SENSOR Signals to E Type Combo Modules 84 Figure 82 Wiring Devices to the Flow Computer s Digital to Analog Outputs 85 Figure 83 Wiring of a Digital I O Point as an 86 Figure 84 Wiring of a Digital I O Point as an 0 86 Figure 85 Connecting Digital I O Devices to the Flow 87 50 0000 0001 Rev Omni Page 4 of 113 Volume 1 System Architecture and Installation Figure 86 Wiring to Brooks Compact Prover 88 Figure 87 Controlling the Plenum Pressure of a B
87. e or E D Type Combo Module when using digital densitometers connected to the flow computer With a B Type Combo Module Analog Output 2 is never available because the periodic time function uses the internal timer counter that is normally used to generate the second analog output The B Type Combo Module Figure 25 and 26 also handles 4 process inputs but Input Channel 4 is now used to measure the periodic time of a digital densitometer On the B module Input Channel 4 is always jumpered as a frequency input Signal coupling can be AC or DC with trigger threshold adjustable for 1 6 or 3 5 Vpp sensitivity Each module is connected to the back panel terminal blocks via 12 wires on the ribbon cables The actual terminal block used depends upon which backplane connector the module is plugged into Table 5 Table 5 B Combo Module Back Panel Terminal Assignments TB Terminal 1 Input Channel 1 1 5v 4 20mA or RTD TB Terminal 2 Channel 1 Isolated Signal Return TB Terminal 3 Input Channel Z2 1 5v 4 20mA RTD TB Terminal 4 Input Channel 2 Isolated Signal Return TB Terminal 5 Input Channel 3 1 5v 4 20mA or DC Coupled Flowmeter Pulses TB Terminal6 Channel 3 Isolated Signal Return i i Internally connected to DC Power Return TB Terminal 7 Input Channel 4 AC Coupled Densitometer Frequency 50 0000 0001 Rev B 9 Omni Page 40 of 113 Chapter 2 Process Input Output Combination Mod
88. e settings that the flow computer will always use after a cold boot i e due to a fatal error or fault condition By matching these settings in the printer your printer will be able to print any error messages output by the flow computer during the boot up process M 50 0000 0001 90 113 Chapter 7 Connecting to Serial Devices 7 2 1 Connecting to a Dedicated Printer Port 1 Figure 88 diagram shows the OMNI Flow Computer connected to a dedicated printer The hardware handshake wire connected to Pin 20 of the DB25 connector is optional as the computer can be made to insert null characters after each carriage return to match the computer data transmission rate to the printer speed DB25 MALE OMNI 6000 OMNI 3000 CONNECTOR TO TERMINAL TERMINAL RS232 PRINTER JP1 PROVIDES PULLDOWN JP2 ELIMINATES EXTRA TERMINATING RESISTOR FORM FEEDS BEFORE TO 9V AND AFTER REPORTS Figure 88 Connecting Printer to Serial Port 1 of the Flow Computer 7 2 2 Connecting to a Shared Printer Port 1 Up to 12 OMNI Flow Computers can share a printer Figure 89 They are connected as shown One flow computer is assigned as the master and manages all traffic to the printer Each computer monitors the data transmitted to the printer by having its TX terminal jumpered to its RX terminal Resident firmware ensures that only one computer will attempt to access the printer at any one time NOTE That only 1 termina
89. ed audience with knowledge of liquid and gas flow measurement technology Different user levels of technical know how are considered in this manual You need not be an expert to operate the flow computer or use certain portions of this manual However some flow computer features require a certain degree of expertise and or advanced knowledge of liquid and gas flow instrumentation and electronic measurement In general each volume is directed towards the following users e Volume 1 System Architecture and Installation Installers System Project Managers Engineers Programmers Advanced Operators Operators e Volume 2 Basic Operation o All Users e Volume 3 Configuration and Advanced Operation o Engineers Programmers o Advanced Operators e Volume 4 Modbus Database Addresses and Index Numbers o Engineers Programmers o Advanced Operators Manual Structure The User Manual comprises 4 volumes each contained in separate binding for easy manipulation You will find a detailed table of contents at the beginning of each volume NOTE User Reference Documentation The User Manual is structured into four volumes Volumes 1 and 2 are generic to all flow computer application revisions Volumes 3 and 4 are application specific These have four versions each published in separate documents i e one per application revision per volume You will receive the version that corresponds to your application revision Volume 1 Sy
90. epending on the number of modules installed the number of current loops and any digital output loads connected 1 8 1 Model 68 6118 Power Supply All analog and digital circuits within the flow computer are powered from a 5 volt switching regulator located on the power supply module This is located in the rear most connector on the computer backplane The DC power which supplies the switching regulator either comes directly from the DC terminals on the Back Panel of the flow computer 22 26 VDC or by rectifying the output of the integral 120 VAC 230 VAC 36VA transformer Regulated 5 volt power is monitored by a 3 4 second shutdown circuit located on the 6118 power supply module When external power is applied to the computer there will be a delay of 3 to 4 seconds before the unit powers up If the 5VDC supply is short circuited the supply will be shut down and will attempt to restart in 3 4 seconds CAUTION Model 68 6118 The Power Low and 5V Adjust are factory adjustments that require the use of special equipment DO NOT attempt to adjust 97 Figure 18 Power Supply Module Model 68 6118 50 0000 0001 Rev B SWS Omni Page 29 o
91. eturn 2 RTD Excitation 1 ZO Signal Return Q 12D RTD Excitation 2 POWER TERMINALS O bc 0 bc Figure 61 Wiring Densitometer 3 Wire Mode to B Type Combo Module E D TYPE REA dis AREA COMBO MODULE SOLARTRON DENSITOMETER BARRIERS 7812 GJ Density Input 1 S Density Input 2 d Q Not Used 8 RTD Excitation 2 2D RTD Excitation 1 Signal Return POWER TERMINALS Figure 62 Wiring Densitometer 3 Wire Mode to E D Type Combo Module 50 0000 0001 Rev B Page 73 of 113 Chapter 5 5 6 Connecting to Transducers and Transmitters B TYPE COMBO MODULE 1 3 RTD Input SOLARTRON Signal Return DENSITOMETER 7812 Signal Return 2 D RTD Excitation 1 Signal Return 12D RTD Excitation 2 e4VDC POWER SUPPLY Figure 63 Wiring a Densitometer 3 Wire Mode to B Type Combo Module E D TYPE COMBO MODULE RTD Input Q Density Input 1 amp Density Input 2 f Q Not Used 8D RTD Excitation 2 2 7 RTD Excitation 1 Signal Return SOLARTRON DENSITOMETER 7812 Signal Return e4VDC POWER SUPPLY Figure 64 Wiring aDensitometer3 Wire Mode to E D Type Combo Module Wiring of Honeywell ST3000 Transmitters Up to four Honeywell Smart Transmitters can be wired to each Type Combo I O Module Figure 65 Loop power is provided by the combo module No external power is required H TYPE COMBO M
92. f 113 Chapter 1 1 8 2 Overview of Hardware and Software Features Model 68 6218 Power Supply All analog and digital circuits within the flow computer are powered from a 5 volt switching regulator module located on the power supply module This is located in the rear most connector on the computer backplane The DC power which supplies the switching regulator either comes directly from the DC terminals on the Back Panel of the flow computer 22 26 VDC or by a voltage converter that changes the 90 264 VAC to 24VDC Regulated 5 volt power has a soft start circuit that allows the 5V to come up in approximately 150 milli seconds When external power is applied to the computer there will be a delay of 150 milli seconds before the unit powers up If the 5VDC supply is short circuited the supply will be shut down and will attempt to restart when the short circuit no longer exists CAUTION Model 68 6218 The Power Low and 5V Adjust are factory adjustments that require the use of special equipment DO NOT attempt to adjust The maximum common mode offset from DC or DC to Earth ground must be less than 120 VDC S O OO Figure 19 Power Supply Module 68 6218 1 9 Firmware and Software OMNI
93. f Field Mount Transmitter 50 0000 0001 Rev B N Omni Page 76 of 113 Chapter 5 Connecting to Transducers and Transmitters 5 8 4 Connecting Micro Motion Model 2700 via Serial RS 485 Some Micro Motion 2700 Figure 70 series models are equipped with RS 485 Modbus ports Serial communication to the Micro Motion 2700 transmitter via RS 485 is accomplished by utilizing the OMNI Peer to Peer Mode using Serial Port 2 in the RS485 configuration OMNI MICRO MOTION TERMINAL BRD 1700 2700 RS 485 A 120 Ohm 1 2W RS 485 B User supplied components Figure 70 Wiring of Field Mount Explosion Proof Transmitter Via Serial RS 485 5 8 5 Wiring of Daniel Senior Sonic Ultrasonic Flowmeter Model 3400 Figures 70 and 71 are the typical wiring diagrams for the Daniel Ultrasonic Meter Additional information on this meter can be found in Technical Bulletin 020501 54 0004 0003 also available on the web site www Omniflow com DANIEL SENSORSONIC A TYPE ULTRASONIC FLOWMETER COMBO MODULE 5 P2 Electronic Peripheral Pulse Input Ch 3 Field Connection Board 6 Signal Return DIG GND 70 Pulse Input Ch 4 DIG GND 82 Signal Return FREQ 1A FREQ 1B FREQ 2A FREQ 2B SV COMBO MODULE Electronics Terminal Board 1 RS 485 B PORTI 2 RS 485 7 0 5 485 RS 485 RS 485B ORT RS 485 A RS 485C 9 RS 485 RS 485 5 485 0 Figure 71 Forward Reverse Flow Signals 50 0000 0001 Rev B N
94. g Output 2 34 10 Important timing information is available by pressing Time then Display and then scrolling down using the down arrow The displays are as follows Power Applied Time 09 10 30 Date 01 21 91 Power Last Lost Time 10 25 21 Date 01 20 91 The previous two displays of power lost and power applied allow the user to estimate the amount of product flow which may be unaccounted for in the event of a power failure 50 0000 0001 Omni Page 98 of 113 Chapter 8 Diagnostic and Calibration Features Scrolling down further displays Main Task Timing Sec 20 mS Task 00 00 50 mS Task 00 00 100mS Task 00 01 500mS Task 00 04 Background 00 02 This timing information refers to various main application tasks that run within the computer The information may be useful to OMNI in the event of a problem 8 2 Calibrating in the Diagnostic Mode NOTE The Diagnostic LED glows red after a valid password has been asked for and entered In the Diagnostic Mode the user selects a specific process variable to calibrate or view The display shows the input channel and combo module used for the variable Calibration override values can be input and the input signals can be viewed simultaneously as engineering values span input voltage and current Analog outputs and digital I O points can also be viewed and manipulated 8 2 1 Entering the Diagnostic Mode To enter the diagnostic mode proceed a
95. g to Turbine Pre amp 4 2 Wiring Flowmeter Signals to E Type Combo Modules Input Channels 3 and 4 of each E Type Combo Module are used to input signals from turbine or PD flowmeters Both channels share a common signal return at the OMNI terminals Input threshold can be jumpered for 1 or 3 5 volt Input coupling can be AC or DC Review Chapter 2 Hysteresis is approximately 0 5 volt Figure 40 41 and 42 is typical and shows additional wiring needed to interface to a pipe prover detector switch set E TYPE FLOWMETER A TURBINE COMBO MODULE SIGNAL OUT STANDARD PBE COMMON AMPLIFIER POWER IN 5 Meter 1 Pulse Input A 6 Meter 1 Pulse Input B 7 2 detector Input PICKOFF COIL FLOWMETER B TURBINE Signal Return SIGNAL OUT STANDARD BRE COMMON AMPLIFIER __POWER IN PICKOFF COIL e4VDC POWER SUPPLY DETECTORS Sw 2 SW 1 Prover Detector Switches for Double Chronometry Figure 42 Wiring to Turbine Pre Amps 50 0000 0001 Rev Omni Page 60 of 113 Chapter 4 Connecting to Flowmeters 4 3 Faure Herman Turbine Meters E Combo Module Faure Herman Turbine Meters are used in liquid applications only For these flowmeters threshold jumpers must be installed to select high threshold on the E Type Combo Module Figure 43 and 44 E TYPE FAURE HERMAN COMBO MODULE 52 Pulse Input Q Pulse Input B 6 7 270 to
96. ger the input When configuring the flow computer select the DIN curve for this RTD temperature point Connecting to a Solartron Digital Densitometer usually involves two devices the densitometer current pulse signal and the densitometer 4 wire RTD probe attached to the vibrating tube The pulse signal is connected to Channel 4 of a B Type Combo Module The RTD is connected to Channel 1 or Channel 2 The device can be connected with or without safety barriers depending on the needs of the application Figure 49 B TYPE HAZARDOUS SAFE AREA AREA COMBO MODULE SOLARTRON DENSITOMETER 7830 35 amp 7840 45 BARRIERS SW Signal Return 2D RTD Excitation 1 Figure 49 Wiring Safety Barriers to a B Type Combo Module Two independent densitometers with RTD probes can be wired directly to an E D type combo module Solartron Sarasota and UGC frequency densitometers can be wired to the same E D type module Wiring an E D module with two RTD and two frequency Density inputs will use the terminals shown in Figure 48 50 0000 0001 Rev B SWS Omni Page 65 of 113 Chapter 5 Connecting to Transducers and Transmitters HAZARDOUS SAFE AREA AREA SOLARTRON DENSITOMETER BARRIERS 7830 7835 E D TYPE COMBO MODULE MT 15 RTD Input 1 E 2 Signal Return S 3 RTD Input 2 2 Signal Return MTI 5 710 S Density Input 1 Density Input 2
97. he section Program Setup in Volume 3 Chapter 2 Flow Computer Configuration and follow these basic rules Digital densitometer signals can only be assigned to the fourth channel of each B Type Combo Module or the third and fourth channel of each E D Module e RTD signals can only be assigned to the first or second channel of each A B E D or E combo module Whenever possible avoid using the second RTD excitation current source of an A Type Combo Module as this makes the second 4 20 mA output on that module inaccessible NOTE The message I O Type Mismatch is displayed if you try to assign the same physical I O point to more than one type of variable e Pulse signals from flowmeters be assigned to the 3 channel of each A B and E combo module and also to the 4 channel of each A and E Combo Module e Pulse signals to be used for Pulse Fidelity Checking must be connected to the 3 and 4 channel of an E Combo Module When assigning the flowmeter select the third channel as the flow input The fouth channel is automatically assigned as the second pulse channel needed for pulse fidelity checking e When Double Chronometery Proving is a requirement use the 3 and 4 input channels of an E Combo Module e Physical I O points may be assigned to more than one variable i e common temperature or pressure sensors but variable types cannot be mixed i e the same physical point cannot be assigned to temperature
98. he Modem or Radio Transmitter Carrier in Multi drop Applications Use the RTS signal to key the modem or radio transmitter carrier in a multi drop application A delay between activating the RTS signal and actually sending data is provided to allow for carrier acquisition at the remote end This delay can be selected as 0 0 msec 50 msec 100 msec or 150 msec NOTE Refer to Volume 3 Chapter 2 Flow Computer Configuration 50 0000 0001 Rev B NV Omni Page 95 of 113 Chapter 7 Connecting to Serial Devices 7 4 4 RS 485 Four wire Multi drop Mode Figure 95 diagram shows the wiring requirements for multi dropping two or more flow computers via RS 485 in four wire mode to a third party PLC type device Note that in the wiring example shown in Figure 95 the PLC acts as a master and can communicate with either flow computer A four wire wiring system does not allow communications between slaves i e data can only be transferred between master and slaves The RS 485 option is available only with the OMNI Serial I O Module 68 6205 UP TO 16 RS 485 COMPUTERS Jd 9 SLAVE SLAVE TBS TBS 7 7 MASTER PLC DEVICE TERMINATED 5 485 FOUR WIRE RS 485 FOUR WIRE TERMINATED NON TERMINATED Figure 95 Wiring of Multiple Flow Computers to a PLC Device Via RS 485 Communications in Four wire Multi drop Mode 7 5 Connecting to SCADA Device When using an OMNI 6000 with 2 serial I O modules installed a second Modbus por
99. hysteresis 0 5 VDC The voltage to frequency converter is bypassed in this mode Input Channel 4 can also be configured for AC coupling and a 1 5 volt trigger threshold by removing the INPUT THRESHOLD jumper making it suitable for interfacing to Solartron type densitometers Analog Outputs 1 and 2 are obtained in the reverse fashion A software controlled pulse train 100 Hz to 5 0 kHz is passed through opto couplers and converted to a current using precision frequency to current converters Resolution of these outputs is approximately 12 binary bits The second analog output is not available when the module is jumpered as a B Type combo module INPUT 4 INPUT 4 ANALOG OUT 2 COUPLING THRESHOLD HH E 4 HI RTD2 D A2 pm N M 2 L 4 68 6006 p A m Pl y aw rdi Ala a ks E i aan z B d Aw ER CH 4 M i d N E 2 4 20 3 S N 5 SELECT APPROPRATE x m MODULE ADDRESS JUMPERS m JPB N A2 RIDE Al AO 14 201 d X P Figure 20 68 6006 Module Configuration Jumpers 50 0000 0001 Rev Omni Page 36 of 113 Chapter 2 Process Input Output Combination Module Setup Two RTD excitation current sources 3 45 mA are available on the
100. ime critical measurement functions are performed by the flow computer every 500 mSec This provides greater accuracy of measurement calculations and permits a faster response by pipeline operations in critical control functions such as opening or closing valves On line Diagnostics and Calibration Extensive diagnostic software is built into the system which allows the technician to locally or remotely debug a possible problem without interrupting on line measurement Calibration of analog signals is performed through the keypad and software The system has only two potentiometers both of which are on the power supply and are factory set and need no adjustment PC Communications Interface The wide use of PCs and video display units makes it possible to provide software for off line on line access to measurement configuration and calibration data Collection of historical reports including alarms interval reports of any time sequence liquid batch and prove reports and full remote technical intervention capabilities are also provided OMNICOM Configuration PC Software NOTE Full details about the OMNICOM configuration program are documented in Appendix C On line or off line configuration of your OMNI Flow Computer is possible using a PC capable of running the OMNICOM program supplied with your flow computer This powerful software allows you to copy modify and save to disk entire configurations The program also allows you to prin
101. ion current source available at Terminal 9 A second excitation source is available on B combo modules at Terminal 12 The excitation current source for an RTD need not come from the same combo module that the signal is input to We recommend that you always verify and recalibrate input channels connected to an RTD This is necessary because the OMNI factory calibration usually assumes that all input channels will be configured as 4 20 mA types Channels 1 and 2 of each combo I O module can be configured to accept a signal from a 100 ohm RTD probe by positioning jumpers on the module The flow computer firmware accepts either the DIN 43 760 curve a 0 00385 or the American curve a 0 00392 The probe is wired in a 4 wire configuration as shown in Figure 48 A B E D or E TYPE COMBO MODULE 1 3 T RTD INPUT 4 WIRE RTD PROBE 2 4 2 Isolated Return Excitation 1 Signal Return 12 Q Excitation 2 Figure 48 Wiring a 4 Wire RTD Temperature Probe 50 0000 0001 Rev B Page 64 of 113 Chapter 5 Connecting to Transducers and Transmitters 5 4 Wiring Densitometers 5 4 1 Wiring Densitometer Signals to an B and E D Type Combo Modules 5 4 2 Solartron Densitometers NOTE Because the density pulse signal can be a small AC signal with a large DC offset you must select AC coupling and low trigger threshold for the combo module channel used Input impedance will be 10kohms 1 5Vpp is required from the densitometer to reliably trig
102. isplay Display Character Height Display Data Backlight Viewable Temperature 9 21 Electromechanical Counters Quantity Display Character Height Maximum Count Rate 9 22 Operating Mode Indicator LEDs Flow Computer Specifications TCP UDP FSK 4 per Module 16 Max 4 per Network 64 Max 34 key domed membrane with tactile and audio feedback Autotex 2 Hard coat Polyester Film Internal switch and software passwords Software controlled 4 lines of 20 Characters 5 x 8 Dot Matrix 4 75 mm Alphanumeric 80 characters Green Yellow LED Viewing angle contrast and backlight controlled from keypad 32 to 122 F 0 C to 50 Three with programmable function 6 digit non resetable 5mm 10 counts per second CAUTION OMNI Flow Computers Inc pursuant to a policy of product development and improvement may make any necessary changes to these specifications without notice Quantity Dual Color Indication 50 0000 0001 Rev B AV Omni Four Red Green Active Alarm LED Green to indicate that an acknowledged alarm exist Red to indicate that a new unacknowledged alarm exists Diagnostic LED Green to indicate Diagnostic or Calibration Mode is active Red to indicate password is active Program LED Green to indicate Program or Configuration Mode is active Red to indicate password is active Alpha Shift LED Green to indicate Alpha Shift Lock Mode Page
103. justed at exactly 4 0 mA 50 0000 0001 Rev Omni Page 101 of 113 Chapter 8 Diagnostic and Calibration Features e Disconnect the calibrator signal and reconnect the transducer signal e Press the Diag key to return to the selection screen Select Input Output to Calibrate Press Diag to Exit 8 3 2 Calibrating an RTD Input Channel While the above screen is being displayed select a process variable which is assigned as an RTD probe input For example assuming a pulse type densitometer is installed pressing Meter 1 Density Temp or the input if known selects the input channel used to process Meter Run 1 s Densitometer integral RTD Other key press combinations will work and Density Meter 1 Temp all mean the same Pressing Density Temp allows the user to scroll through all density temperature channels Now enter the selection by pressing Display and the following is displayed Dens 1 Temperature Inputs amp Module 2 B1 Cal Overide 60 0 Calibrate Input Enter the Calibrate Override value and answer Y to the Calibrate Input question and a screen similar to the following is displayed Dens 1 Deg F 65 0 Value 60 00 Resistance Value Ohms 100 00 NOTE Each input channel of each combo module has had its temperature coefficient trimmed to 10 ppm F To avoid temperature gradient effects and for best results always allow the internal temperature of the computer
104. le Model 68 6118 Transient Protection for Power Supply Module Model 68 6218 RAM Memory Battery Backup 50 0000 0001 Rev B Omni available for archive data Battery backed up time of day programmable interval down to 10 msec Maintains time during power loss Reports downtime on power up 5 VDC 3 3 VDC 1 5 VDC Crowbar on power supply fires at 6 25 VDC approx Transorbs on power supply module Transorbs on power supply and backplane 3 6 VDC NiMH Page 107 of 113 Chapter 9 Flow Computer Specifications Typical Memory Backup Period 60 120 days with power removed 9 6 Backplane Type Passive configured with plug in DIN connectors Number of I O Module Slots OMNI 3000 4 slots OMNI 6000 10 slots 9 7 Process Input Output Combo Modules CAUTION OMNI Flow Computers Inc pursuant to a policy of product development and improvement may make any necessary changes to these specifications without notice FEATURES 1 5v 4 20mA RTD 1 5v 4 20mA Flow Pulses 4 20mA 4 20mA FEE Flow Pulses Pipe Proving 4 20mA e Double Chronometry Proving e Level A Pulse Fidelity Tw Two Two 4 20mA Tw Two A 1 5v 4 20mA RTD 1 5v 4 20mA Frequency E D 1 5v 4 20mA RTD Flow Pulse Density Frequency Density 1 5v 4 20mA RTD Honeywell DE Protocol HV Honeywell Multivariable DE Protocol 4 20mA HART FSK Protocol RS 485 Multi drop to Various Multivariable Transmitters 50 0000 0001
105. nd Software Features Chapter 1 Overview of Hardware and Software Features Introduction BASIC FEATURES OMNI flow computers are applicable to liquid and gas flow measurement control and communication systems and custody transfer operations It s basic features are e 32 bit processing multi tasking execution e 500 mSec calculation cycle e Plug in assignable digital serial and combination I O modules Point to point digital transmitter interface e 14 bit A Ds temperature trimmed No I O multiplexers no potentiometers Photo optical Isolation of each I O point Meter pulse fidelity checking e Honeywell and Rosemount digital transmitter interface modules e HART digital transmitter interface modules e Ethernet communications module Dual LEDs indicate active fused digital I O e Selectable digital I O individually fused e Standard field proven firmware no need for custom programming User configurable control logic e Up to 4 flow pressure control loops User configurable variables for displays and reports e Data archive and report storage e Modbus peer to peer communications to 38 4kbps for PLC DCS e Real time dial up for diagnostics e International testing e Includes OMNICOM configuration software Three year warranty OMNI 30007 and OMNI 6000 Flow Computers are reliable easy to use uniquely versatile measurement instruments They are factory programmed for single or multiple meter run
106. ng received by a channel Note that each communication channel uses 2 wires and operates in the half duplex simplex mode This means that the green LED shows the flow computer s transmissions also Each transducer is operated in the 6 byte broadcast mode In this mode the process variable is updated approximately every 300 msec The database of the transducer is compared against the flow computer s database every 1 or 2 minutes depending on the type of transducer Any changes to the transducer database that will affect the integrity of the measured variable must be made via the flow computer using either the key pad or the OMNICOM configuration program These entries are e Transducer Zero Lower Range Value e Transducer Full Scale Upper Range Value e Transducer Damping Code Filter Time Constant e Transducer Tag Name The flow computer will not allow any other devices to alter these variables Should they be altered by the Honeywell Smart Field Communicator SFC for example they will be restored to their original value as shown in the flow computer transducer tag name excepted 2 6 The HV Type Combo I O Module The HV Type Combo Module is simply an H Module with the Module Address Jumpers placed in the HV position Address 15 selected See Figure 3 The HV module is used to communicate with Honeywell SMV3000 multivariable transmitters via the DE Protocol Operation of the LEDs is similar to the normal H module Since onl
107. nsducers and Transmitters TYPE COMBO MODULE 1 AS RTD Input 0 Signal Return o Density Input 8 Signal Return 2 RTD Excitation 1 Signal Return 2D RTD Excitation 2 390 Ohm POWER TERMINALS 1 Watt WN bc O bc C Figure 55 Wiring a Densitometer to a B Type Combo Module PEEK SARASOTA DENSITOMETER 781 791 810 820 830 840 AND 850 E D TYPE COMBO MODULE 1 LASS RTD Input Signal Return AS Density Input 1 7 MS Density Input 2 49 Not Used my RTD Excitation 1 RTD Excitation 2 390 Ohm 1 Watt Figure 56 Wiring a Densitometer to a E D Type Combo Module The UGC Densitometer output provides an open collector transistor that requires an external pull up resistor to 24 volts DC The densitometer provides a 24 volt DC pulse output in the range of 1 to 2 kHz The pulse signal is connected to Channel 4 of a B Type Combo Module and can be connected with or without safety barriers depending on the application requirements Figures 57 58 59 60 61 62 63 and 64 NOTE Because the density pulse signal is a large DC pulse signal with little or no DC offset you must select DC coupling with normal trigger threshold for the combo module channel used Input impedance will be 1Mohms 3 0Vfor low level and gt 4V 0 for high level is required from the densitometer to reliably trigger the input 50 0000 0001 Rev B Omni
108. o available are downloadable printable drawing files for each mounting option located at http www omniflow com 3 1 1 Panel Mount Standard Panel Mount units provide signal directly on the chassis Back Panel Refer to Figure 32 and Figure 33 for detailed mounting instructions NOTE Panel Mounting Minimum recommended panel thickness 3 16 inch 4 8mm Panel thickness s 1 8 inch 3 2mm may be used if rear panel support is provided CAUTION These units have an integral latching mechanism which first must be disengaged by lifting the bezel upwards before sliding the unit from the case Follow these installation notes for proper mounting and safe operation e Mount chassis to bonded metal surface Bonded metal surface shall be provided with safety earth path e Minimum recommended panel thickness 0 188in 4 8mm Panel thickness 0 125in 3 2mm be used if rear support is provided Dimensions shown in inches and millimeters Approximate weight 3000 Panel Mount Chassis 11 165 5kg 6000 Panel Mount Chassis 17 16 7 7kg ee ente etete eTe NTING PANEL T OUT p gt BACK PAI J TERMINAL NTING PANEL NTING BRACKET Figure 32 3000 Panel Mount Chassis 50 0000 0001 Rev Omni Page 49 of 113 Chapter 3 Mounting and Powe
109. oint 2 on module D1 All IRQ jumpers should be removed from D2 if a D2 module is installed Figure 17 50 0000 0001 Rev B N Omni Page 21 of 113 Chapter 1 Overview of Hardware and Software Features Interrupt Request IRQ Select Jumpers for Pipe Prover Detector Non Double Chronometry Module Address Jumper Select D1 Select D2 Individual Fuses for Each I O Point JP1 In Dig 1 Rising Edge Trigger JP2 In Dig 1 Falling Edge Trigger JP3 In Dig 2 Rising Edge Trigger JP4 In Dig 2 Falling Edge Trigger NOTE f D2 remove all jumpers Green LED On Point Active Point 01 Dual Red Green Fuse Blown LED Red On Sourcing Current Green On Sinking Current V Digital Point LED Indicators Figure 12 Digital I O Module Model 6011 SMT Digital Module 68 6211 This current version of the Digital Module 68 6211 Figure 13 and 14 has the same number of digital I O points available as the 68 6011 module Figure 18 The only difference is that SMT Surface Mount Technology modules have circuitry for each channel that trips when overloaded They automatically reset when the overload is removed An address jumper on the module allows the user to configure as either a D1 or D2 module NOTE If using both a D1 and D2 module make sure the jumpers JP1 and JP
110. on of the new module RESET SWITCH RIBBON CABLE TO FRONT PANEL PROGRAM LOCKOUT SWITCH CONNECTOR A MEMORY BACKUP BATTERY AC DC POWER SUPPLY INPUT 5 8 BACK PANEL TB4 1 12 INPUT 1 4 BACK PANEL TB3 1 12 SERIAL PORTS 1 2 BACK PANEL TB2 1 12 DIGITALS 1 12 BACK PANEL 1 1 12 CPU COPROCESSOR MEMORY Figure 2 OMNI 3000 Mother Board Figure 3 shows a typical OMNI 6000 2D 2S 6A model and lists the associated back panel terminal blocks which are associated with the wiring of that I O module to the back panel Users can remove or add additional I O modules by placing the new I O module into an empty or previously occupied slot making sure you note the correct back panel wiring required for the new I O module CAUTION These units have an integral cabinet latching mechanism which first must be disengaged by lifting the bezel upwards before withdrawing the unit from the case 50 0000 0001 Rev B NV Omni Page 13 of 113 Chapter 1 Overview of Hardware and Software Features AC DC POWER SUPPLY INPUTS 21 24 BACK PANEL TB10 1 12 INPUTS 17 20 BACK PANEL TB9 1 12 INPUTS 13 16 BACK PANEL TB8 1 12 INPUTS 9 12 BACK PANEL TB7 1 12 INPUTS 5 8 BACK PANEL TB6 1 12 INPUTS 1 4 BACK PANEL TB5 1 12 RESET SWITCH CONNECTOR B RIBBON CABLE TO FRONT PANEL PROGRAM LOCKOUT CONNECTOR A SWITCH MEMORY BACKUP BATTERY SERIAL PORTS 3 4 BACK PANEL TB4 1 12 SE
111. one for each application revision This volume covers e Application overview e Flow computer configuration data entry e User programmable functions e Modbus Protocol implementation Flow equations and algorithms Volume 4 Modbus Database Addresses and Index Numbers Volume 4 is intended for the system programmer advanced user It comprises a descriptive list of database point assignments in numerical order within our firmware This volume is application specific for which there is one version per application revision NOTE Manual Updates and Technical Bulletins You can view and print the latest Manuals and Technical Bulletins from our website http www omniflow com The website provides technical bulletins that contain important complementary information about your flow computer hardware and software Each bulletin covers a topic that may be generic to all applications or specific to a particular revision They include product updates theoretical descriptions technical specifications procedures and other information of interest Trademark References The following are trademarks of OMNI Flow Computers Inc e OMNI 3000 e OMNI 6000 e OMNICOM Other brand product and company names that appear in this manual are trademarks of their respective owners 50 0000 0001 8 113 Chapter 1 Overview of Hardware and Software Features Copyright Information and Modifications Polic
112. ou can verify that the I O modules and transducers are working and are calibrated to specification The actual process transducers used may provide a variety of signal types ranging from voltage or current pulses of various levels to linear analog signals such as 4 20 mA 1 5V 0 1V or RTD elements In the case of pulse inputs the input module provides amplification and or level shifting Schmitt triggering and opto isolation When analog signals are used the input module provides all signal conditioning opto isolation and converts the analog signal to a high frequency pulse train in the range of 0 20 kHz By using a precision voltage to frequency converter typical linearity of 0 01 is obtained Certain diagnostic displays are always available while in the Display Mode For example pressing Input then Display will display the raw frequency input from each process input point The up down arrow keys can be used to scroll through all inputs NOTE When viewing an analog input point the frequency displayed approximates 1000Hz mA When viewing a turbine or photo pulsar signal the display is the actual input frequency A typical display shows Input Freq Period 1 2530 Input Freq Period 2 3021 NOTE 0 0 corresponds to 4mA 100 096 corresponds to 20 Pressing Output Status Display shows the current percentage output for each of the digital to analog 4 20 mA outputs Analog Output 1 55 79 Analo
113. ovide remote totalizing Each digital module supplies 12 digital I O points and each point may be configured as an input or output The OMNI 6000 can have a maximum of two digital modules resulting in 24 digital I O points The OMNI 3000 normally has one digital I O Module Earlier Digital Modules have twelve amp fuses one fuse for each I O point Recent SMT Surface Mount Technology modules have circuitry for each channel trips if overloaded and automatically resets when the overload is removed Figure 11 NOTE If using a 01 and a D2 module make sure jumper JP1 is removed from the D2 module Pipeline Opto Coupler IC Isolated Transducer Transducer Signals That TS Signals May Pass On E Passed On Damaging To Sensitive Transient mE polen i LED ircuits Noise Transistor Figure 11 Photo Optical Isolation NOTE I O Point LEDs Along the edge of the Digital I O module are 12 pairs of LEDs When a green LED is illuminated the I O point is active and either receiving or sending pulses The other LED is white in appearance but illuminates red A red LED indicates that either a fuse is blown on earlier modules or the I O point is detecting an incorrect input or output IRQ Interrupt request jumpers are provided on digital I O modules for interfacing to pipe prover detector switches This feature applies only to liquid measurement applications These jumpers are only used to configure digital I O point 1 or digital I O p
114. pped using OMN s proprietary RS 232 C serial port Sixteen devices may be connected when using the RS 485 2 wire mode and 32 devices can be connected when using RS 485 4 wire mode Typically one serial I O module is used on the OMNI 3000 providing two ports A maximum of three serial modules can be installed in the OMNI 6000 providing six ports Multivariable Transmitting Devices In addition to the Serial I O Module 68 6205 the flow computer must also have an SV Module to communicate with multivariable transmitters This serial module must be jumpered to use IRQ 3 when used in combination with an SV Module Without an SV Module the jumper is placed in the IRQ 2 position The SV Module can only be used with this serial module 68 6205 and is not compatible with the Serial I O Module 68 6005 RS 232 485 Serial Module Model 68 6205 Serial I O Module 68 6205 is capable of handling two communications ports Each serial communication port is individually optically isolated for maximum common mode and noise rejection Figure 19 Although providing RS 232C signal levels the tri state output design allows multiple flow computers to share one serial link Communication parameters such as baud rate stop bits and parity settings are software selectable In addition to RS 232 jumper selections have been provided on each port to allow selection of RS 485 format With this option a total of two RS 485 ports are available on each modul
115. r Options OUNTII PANEL T T HHHHEHHEHHE HEHHEHHEHHHH Y CY 2 BACK PANEL TERMINAL NTIN PANEL MOUNTII BRACKET Figure 33 6000 Panel Mount Chassis 3 1 2 Panel Mount NEMA Option w Extended Back Panel Both the 3000 and 6000 Panel Mount units are offered with an Extended I O Back Panel Extended 64 Conductor Ribbon Cables and the AC Power Cable are provided with a standard length of 5 feet 10 and 15 foot cables also available Refer to Figure 34 and 35 for detailed mounting instructions NOTE Panel Mounting Minimum recommended panel thickness 3 16 inch 4 8mm Panel thickness lt 1 8 inch 3 2mm may be used if rear panel support is provided CAUTION These units have an integral latching mechanism which first must be disengaged by lifting the bezel upwards before sliding the unit from the case CAUTION The maximum length of the ribbon cable that connects the keypad to the CPU module is 18 inches 457 2 mm The operation of the Central Processor Module CPU will be significantly affected if this length is exceeded Follow these installation notes for proper mounting and safe operation e Mount chassis to bonded metal surface e Bonded metal surface shall be provided with safety earth path e Minimum recommended panel thickness 0 188in 4 8mm Panel thickness 0 125in 3 2mm be used if
116. r Power Supply Module Model 68 6218 Transducer Output Power Isolation Power Fuse Transient Over voltage Protection for Power Supply Module Model 68 6118 Transient Over voltage Protection for Power Supply Module Model 68 6218 50 0000 0001 Rev B Omni 8 25 x 4 75 in 210 x 121 mm OMNI 3000 8 75 in 222 mm OMNI 6000 15 5 in 394 mm 9 x 5 in 229 x 127 mm OMNI 3000 9 Ibs 4 08 kg OMNI 6000 16 Ibs 7 26 kg 14 F to 140 F 10 C to 60 C 4 to 158 F 20 to 70 C 90 non condensing maximum 110 to 120 VAC 50 to 500 Hz or 22 to 26 VDC 10 to 20 Watts excluding transducer loops 10 to 35 Watts including transducer loops Optional 220 to 240 VAC 50 to 500 Hz or 22 to 26 VDC 10 to 20 Watts excluding transducer loops 90 to 264 VAC 47 to 440 Hz or 22 to 26 VDC 10 to 20 Watts excluding transducer loops 10 to 35 Watts including transducer loops Caution Maximum DC Offset from or DC to Earth ground is 120 VDC 24 VDC at 400 mA for most configurations when AC powered All analog inputs and outputs are optically isolated from computer logic supply Maximum common mode voltage on any input or output is 250 VDC to chassis ground 110 AC receptacle DC connections available Power supply crowbar Transorbs and self resetting fuses Current limiting Transorbs and self resetting fuses Page 106 of 113 Chapter 9 Flow Computer Specifications
117. rooks Compact 89 Figure 88 Connecting Printer to Serial Port 1 of the Flow 91 Figure 89 Connecting Several Flow Computers to a Shared 91 Figure 90 DB25 Female Connector Using Port 2 as an 92 Figure 91 Direct Connect to a Personal Computer ODB9 Female Connector 93 Figure 92 Connecting Port 42 to a nth Ln Rea kno RR RE 93 Figure 93 Wiring of Several Flow Computers using the Peer to Peer Feature via RS 485 Communications in Two wire Multi drop 94 Figure 94 Wiring of Several Flow Computers in the Peer to Peer Mode using RS 232 C COMMUN CANONS e 95 Figure 95 Wiring of Multiple Flow Computers to a PLC Device Via RS 485 Communications in Four wire Multi drop 96 Figure 96 Typical Wiring of Port 3 to a SCADA Device via 96 Figure 97 Wiring Serial Port 4 to Allen BradleyTM KE Communications Module 97 Figure 98 Figure Showing Calibration of RTD Input 103 50 0000 0001 Rev Page 5 of 113 Chapter 1 Overview of Hardware and
118. s approximately 24 Watts This causes an internal temperature of 15 F 8 33 C over the ambient The unit should not be mounted in a cabinet or panel where the ambient inside the cabinet will exceed 125 F 51 67 C NOTE Four serial Ports are achievable with the listed process inputs Six serial ports can be installed by substituting serial I O module in place of an analog or digital I O module CAUTION POTENTIAL FOR DATA LOSS RAM Battery Backup OMNI flow computers leave the factory with a fully charged NiMH battery as RAM power backup RAM data including user configuration and I O calibration data may be lost if the flow computer is disconnected from external power for more than 30 days Observe caution when storing the flow computer without power being applied for extended periods of time The RAM back up battery is rechargeable and will be fully charged after power has been applied for 24 hours Page 28 of 113 Chapter 1 Overview of Hardware and Software Features NOTE ENVIRONMENTAL The maximum system configuration of 24 process inputs 12 process outputs 24 digital I O points and 4 serial I O channels dissipates approximately 24 Watts This causes an internal temperature rise of 15 F over the ambient The unit should not be mounted in a cabinet or panel where the ambient inside the cabinet will exceed 125 F Operating Power The indicated power is the maximum and includes the power used by transmitter loops etc It will vary d
119. s follows press the Alpha Shift key then the Diag key NOTE The Select Input Output screen must be displayed when making a new selection while in the Diagnostic Mode Return to this screen by pressing the Diag key once The front panel diagnostic LED will glow green and the following will be displayed on the first three lines of the LCD Display Select Input Output to Calibrate Diag to The fourth line of the display is used to show the user s selection The user can choose to calibrate or view any analog input or output or manipulate any set of digital I O points 8 2 2 Display Groups in the Diagnostic Mode To display an input or output variable to calibrate select from the following display groups and associated key presses or select the I O number if known usually supplied on a separate sheet NOTE Each input channel of each combo module has had its temperature coefficient trimmed to 10 ppm F To avoid temperature gradient effects and for best results always allow the internal temperature of the computer to stabilize before making your final calibration adjustments 50 0000 0001 Rev Omni Page 99 of 113 Chapter 8 DISPLAY VARIABLES Diagnostic and Calibration Features VALID KEY PRESSES All of the following key presses are valid in the Diagnostic Mode To enter the Diagnostic Mode these key presses must be preceded by the Alpha Shift Diag keys Input Channels n 1 through 2
120. s physical inputs and outputs circuits will now need to be recalibrated To clear this screen you will have to enter OMNI as the password to allow user access to the system The flow computer s configuration may have been lost verify that the configuration is valid before processing further with any measurement tasks Calibration Data Invalid All inputs and D A outputs need to be recalibrated 50 0000 0001 Rev B Omni Page 32 of 113 Chapter 2 Process Input Output Combination Module Setup Chapter 2 2 Process Input Output Combination Module Setup 2 1 Introduction NOTE User selection of process I O is available with combo cards that can be a mix of meter pulse frequency densitometer 4 20mA 4 wire 100 ohm RTD inputs and fused 4 20mA outputs Combo Module Input Features The input characteristics of each combo module are as follows A Each input can be 1 5v 4 20mA Inputs 1 and 2 also accept RTD Inputs 3 and 4 also accept flow pulse signals Type Inputs 1 2 amp 3 can be 1 5v 4 20mA Inputs 1 and 2 also accept RTD Input 3 also accepts flow pulses and Input 4 is fixed as a frequency density input 0 Type Inputs 1 and 2 can be 1 5v 4 20mA and RTD Inputs 3 and 4 are frequency density EType Inputs 1 and 2 be 1 5v 4 20mA and RTD Inputs 3 and 4 accept flow pulses H Type All inputs are Honeywell DE Protocol e HV Type All inputs are
121. s the status of the I O points frozen at the time that the screen was displayed The points are numbered left to right 1 to 12 with a 0 indicating that a point is off and a 1 indicating that a point is on The third line shows the override bit values that will be forced to the output port when the user answers Y to the Force To Output question A screen similar to the following is displayed Digital 1 I O Points Input 101110001101 Overide 101010101010 Override Now Active NOTE To avoid a hardware conflict only points that have been assigned as outputs will accept an override of 1 i e entering a 1 at an input position will be ignored and displayed as a 0 50 0000 0001 Rev Omni Page 104 of 113 Chapter 8 Diagnostic and Calibration Features The override 1 s and 0 s can be changed at any time while the Override Now Active line is displayed The input status displayed on the second line should always agree with the green LEDs on the edge of the digital I O module Red LEDs lit indicate blown fuses on the digital module Outputs on this I O module that are assigned as totalizer outputs will stop counting while the Override Now Active line is displayed Pulses to be output are accumulated and are output at the maximum allowed rate as soon as the Diag key is pressed NOTE Leaving the Diagnostic Mode In the Select Input Output screen press the Diag key to return to the Display Mo
122. se the computer to initialize the RAM and display the following message RAM Data Invalid Reconfigure System Using OMNI as Initial Password If due to the RAM area in the computer not agreeing with the checksum area the computer will display the following message RAM amp Calibrate Data Invalid Reconfigure amp Re calibrate Using OMNI as Password Assuming that the EPROM memory and RAM memory are valid the flow computer then checks the software configuration against the installed I O modules and displays a screen similar to the following Module S Ware H Ware A 1 Y Y D 1 Y Y SE 1 Y Y SE 1 Ethv 1 50 Revision No 27 74 21 EPROM Checksum F A9 NOTE For information on adjusting module configuration settings see Volume 3 A N in the hardware column indicates that a module has been removed since the software was configured A N in the software column indicates that a module has been added In either case you should make the columns agree by adding or removing modules or re configuring the software NOTE To comply with applicable EC Directives certain versions of the flow computer firmware will cause the start up display screen to be the same as what was active before the system was reset or powered off The following screen display may occur during a system initialization or reconfiguration of the system it shows that a problem occurred in the RAM checking area and that the flow computer
123. sing the Up Down arrow keys adjust the output current until the milliamp meter indicates 4 00 mA e Input 100 00 20 00 mA as the output override e Wait 30 seconds for the reading to stabilize e Using the Left Right arrow key adjust the output current until the milliamp meter indicates 20 00 mA e Repeat steps 2 through 5 until no further improvement can be obtained e Remove the milliamp meter and reconnect the load e Press the Diag key to return to the selection screen NOTE Leaving the Diagnostic Mode In the Select Input Output screen press the Diag key to return to the Display Mode Diagnostic LED will turn off Select Input Output to Calibrate Press Diag to Exit 8 3 4 Verifying the Operation of the Digital I O Points The digital I O points can be manipulated as a group by pressing Status 1 for digital points 1 through 12 or Status 2 for digital points 13 through 24 Pressing Status will allow the user to scroll to either group Press Display and a screen similar to the following is displayed Digital 1 I O Points Input 001011001011 Overide 101010101010 Force To Output CAUTION After answering Y the digital outputs will reflect the value of the currently displayed override not the assigned variable The user must ensure that any equipment using the output signal will not cause an unsafe condition to arise or cause erroneous results to be generated The second line show
124. stem Architecture and Installation Volume 1 is generic to all applications and considers both US and metric units This volume describes e Basic hardware software features e Installation practices e Calibration procedures e Flow computer specifications 50 0000 0001 Rev B Page 7 of 113 Chapter 1 Overview of Hardware and Software Features Volume 2 Basic Operation Volume 2 is application specific and is available in four separate versions one for each application revision It covers the essential and routine tasks and procedures that may be performed by the flow computer operator Both US and metric units are considered General computer related features are described such as e Overview of keypad functions e Adjusting the display e Clearing and viewing alarms e Computer totalizing e Printing and customizing reports The application related topics may include e Batching operations e Proving functions e PID control functions e Audit trail e Other application specific functions Depending on your application some of these topics may not be included in your specific documentation An index of display variables and corresponding key press sequences that are specific to your application are listed at the end of each version of this volume Volume 3 Configuration and Advanced Operation Volume 3 is intended for the advanced user It refers to application specific topics and is available in four separate versions
125. style fuse for the AC fuse and uses a 2AG style fuse for the DC fuse The value of the AC fuse depends on the power supply installed in the unit The 68 6218 Universal Power supply can be identified by the card ejector and it does not have the large transformer that is present on the 68 6118 model Check your model before ordering fuses DC Fuse All Power Supply Modules 2AG 3 Amp Slow Blow Littelfuse 0229003 AC Fuse 68 6218 Power Supply Modules 5x20 1 6 Amp Fast Blow Littelfuse 021701 6 AC Fuse All Other Power Supply Modules 5x20 315mA Fast Blow Littelfuse 0217 315 Fuses F1 F8 Eight additional fuses used for transducer loop power 2AG 250mA Fast Blow Littelfuse 0225 250 3 2 4 Electrical Safety Precautions Basic electrical safety precautions should be followed to protect the user installer from harm and the equipment from damage Read the manual before attempting to install or work on the equipment e Ifan electrical accident occurs remove power to the system by removing the plugs s from the outlet s Some may have multiple power cords which connect to more than one outlet e Power should be connected via a readily accessible disconnect device certified as being safe for the area e When AC powered the power cord must include a grounding and must be plugged into a grounded electrical outlet e The rack in which the equipment is installed should be reliably grounded Allow 2 inches
126. sure that you have entered enough NULs to prevent overrunning the printer buffer 7 3 Connecting to a Personal Computer and Modem NOTE Port 4 can also be configured to communicate using Allen BradleyDF 1 protocol Figure 96 That only 1 terminating pull down resistor is jumpered in place Ports 1 and 2 of an OMNI 3000 Ports 3 4 5 and 6 of an OMNI 6000 can provide access to the computer s database using a Modbus protocol interface This port is usually connected to a PC running the OMNICOM configuration software Up to 12 OMNI Flow Computers can be connected to 1 PC The Modbus protocol includes an address field which ensures that only 1 unit will transmit at a time Figure 90 91 and 92 DB25 FEMALE UP TO 12 COMPUTERS CONNECTOR TO IBM COMPUTER NOTE OMNI 3000 TERMINAL IS TB2 3 TBS TBS TBS OONAN U N o COMPUTER 1 SET UP AS A MASTER JP1 PROVIDES PULLDOWN TERMINATING RESISTOR TO 9 Figure 90 DB25 Female Connector Using Port 2 as an example NOTE That only 1 terminating pull down resistor is jumpered in place 50 0000 0001 Rev B Page 92 of 113 Chapter 7 Connecting to Serial Devices FEMALE UP TO 12 COMPUTERS CONNECTOR TO IBM COMPUTER NOTE OMNI 3000 TERMINAL IS TB2 TB3 TB3 TB3 TB3 1 2 3 4 5 6 7 8 JP1 PROVIDES PULLDOWN TERMINATING RESISTOR Figure 91 Direct Connect to a Personal Computer ODB9 Female Connector RS
127. t Physical Port 3 used as an example can provide access to the computer s database Figure 96 This port can also be connected to a PC or any SCADA device either directly via modem or via radio link RS232 CONNECTOR OMNI 6000 DB 25 PIN MALE BACK PANEL TERMINALS JP1 PROVIDES PULLDOWN RDY TERMINATING RESISTOR 9V Figure 96 Typical Wiring of Port Z3 to a SCADA Device via Modem M 50 0000 0001 96 113 Chapter 7 Connecting to Serial Devices 7 6 Interfacing the Fourth Serial Port to an Allen Bradley KE Module Port 4 is available on OMNI Flow Computers with the second serial module fitted This port can be selected to communicate with Allen Bradley devices using DF1 full duplex or half duplex protocol or set up for Modbus devices The example Figure 97 assumes that the Allen Bradley Protocol has been selected DB15 MALE CONNECTOR TO OMNI 6000 A B KE MODULE BACK PANEL TERMINAL JP1 PROVIDES PULLDOWN TERMINATING RESISTOR TO 9V Figure 97 Wiring Serial Port 4 to Allen BradleyTM KE Communications Module 7 7 Network Printing To use serial Ethernet modules to configure the flow computers to print to network printers please refer to Technical Bulletin 080001 52 0001 0009 50 0000 0001 Rev B N Omni Page 97 of 113 Chapter 8 Diagnostic and Calibration Features Chapter 8 8 Diagnostic and Calibration Features 8 1 Introduction In the diagnostic mode y
128. t if known The display shows Select Input Output to Calibrate Press Diag to Exit Meter 1 Temp Other key press combinations work Temp Meter 1 means the same to the computer as Meter 1 Temp Pressing Temp without a meter number allows all of the temperatures to be scrolled through and calibrated 50 0000 0001 Rev B Omni Page 100 of 113 Chapter 8 Diagnostic and Calibration Features Now enter the selection by pressing Display and the following is displayed Temperature 1 Inputs amp Module 1 1 Override 60 0 Calibrate Input NOTE Unless previously entered a request for a valid password is made at this point The calibrate override value entered will be substituted for all process variables assigned to this physical I O point when the user answers Y to Calibrate Input It is automatically removed when the user presses the Diag key to exit or make a new selection The display shows the process variable name the input channel number and combo module used This example shows Temperature Meter Run 1 connected to Channel 1 of Combo Module A1 Before calibrating an input the user should enter a Cal Override value to be used in all calculations in place of the live value Answer Y to the Calibrate Input question and the following is displayed Meter 1 27 5 Value 50 00 Input Volts 3 000 mA Value 12 00 NOTE Each input channel of each combo module has h
129. t customized reports by inputting report templates that are uploaded to the flow computer Initializing Your Flow Computer CAUTION POTENTIAL FOR DATA LOSS RAM Battery Backup OMNI flow computers leave the factory with a fully charged NiMH battery as RAM power backup RAM data including user configuration and I O calibration data may be lost if the flow computer is disconnected from external power for more than 30 days Observe caution when storing the flow computer without power being applied for extended periods of time The RAM back up battery is rechargeable and will be fully charged after power has been applied for 24 hour A processor reset signal is automatically generated when e Power is applied e The processor reset switch at the rear of the front panel is toggled e The watchdog timer fails to be reset by firmware every 100 milliseconds The flow computer will perform a diagnostic check of all program and random access memory whenever any of the above events occur Page 31 of 113 Chapter 1 Overview of Hardware and Software Features The program is stored with a checksum in Non volatile Read only Memory The program alarms if the calculated checksum differs from the stored checksum The most obvious cause of such a problem would be a bent pin on a program memory chip The validity of all data stored in RAM memory is checked next This data includes totalizers configuration data and historical data Any problems here will cau
130. ting pull down resistor is jumpered in place DB25 MALE 51 UP T 12 COMPUTERS CONNECTOR TO RS232 PRINTER NOTE OMNI 3000 TERMINAL IS TB2 RX 3 1 TB 3 1 TB 5 TB 3 4 COMPUTER 1 SET UP AS A MASTER JP1 CONNECTS RX TO TX JP2 PROVIDES PULLDOWN ALL EACH COMPUTER TERMINATING RESISTOR TO MONITOR DATA TO PRINTER TO 9v Figure 89 Connecting Several Flow Computers to a Shared Printer 50 0000 0001 Omni Page 91 of 113 Chapter 7 Connecting to Serial Devices 7 2 3 Print Sharing Problems NOTE Refer to Volume 3 Chapter 2 for Printer Settings Most problems associated with printer sharing show up as garbled reports or locked up printers This is usually caused by one or more computers sending data to the printer at the same time Check your wiring to the Figure 87 and consult the following checklist if you experience problems 1 Check that all computers are set to the same baud rate stop bits and parity settings as the printer 2 All computers must have the Transmitter Key Delay set to zero 0 3 One and only one computer must have its Printer Priority Number set to 1 All computers must have a different priority number 2 through 12 4 Some printers provide jumpers or switches which set the polarity of the Printer Ready signal on Pin 20 This signal must be positive when the printer is ready 5 When not using the Printer Ready signal Pin 20 en
131. to enter a key press sequence and to access the Help System NOTE Passive backplane simply means that no active circuitry is contained on it The active circuitry is contained on the modules that plug into it Mounted on the passive backplane are DIN standard connectors which are bussed in two sections The front section is a high performance 16 bit bus which accepts the Central Processor Module The rear 8 bit I O bus section comprises 10 connectors on the OMNI 6000 and 4 on the OMNI 3000 which can accept any type of I O module manufactured by OMNI The rearmost connector on both computers accepts the system AC DC power supply module Dual ribbon cable assemblies OMNI 6000 and a single ribbon cable OMNI 3000 connect the I O connectors on the backplane to the back panel terminals Figures 2 and 3 50 0000 0001 Rev B Omni Page 12 of 113 Chapter 1 Overview of Hardware and Software Features CAUTION These units have an integral cabinet latching mechanism which first must be disengaged by lifting the bezel upwards before withdrawing the unit from the case NOTE This unit shows a typical 3000 1D 1S 2A model Figure 2 Users can remove either an I O or digital module so as to add an extra Serial I O or a Serial Ethernet module When adding an extra serial I O module decide which can be removed and install the new module into that slot Note That the back panel terminal wiring changes to accommodate for the additi
132. to stabilize before making your final calibration adjustments The keysare used as the Zero adjustment and the keys are used for the Span adjustment Adjustments made when the Shift LED is on are approximately ten times more sensitive Holding the arrow keys longer than two seconds speeds up the rate of adjustment The Span adjustment has no effect at 4mA or 1v Always adjust the Zero first at exactly 4mA or 1v Leaving the Diagnostic Mode In the Select Input Output screen press the Diag key to return to the Display Mode Diagnostic LED will turn off To Calibrate an RTD input channel proceed as follows e Disconnect the RTD probe and connect precision decade resistance box capable of inputting 30 00 to 150 00 Ohms as shown in Figure 98 e Set the decade box to 30 00 Ohms e Wait 30 seconds for the reading to stabilize e Using the Up Down arrow keys adjust the displayed value so it reads 30 00 Ohms e Set the decade box to 150 00 Ohms e Wait 30 seconds for the reading to stabilize e Using the Left Right arrow keys adjust the displayed value so it reads 150 00 Ohms 50 0000 0001 Rev Omni Page 102 of 113 Chapter 8 Diagnostic and Calibration Features e Recheck step 2 No further adjustment is normally needed if the Zero is adjusted at exactly 30 Ohms e Disconnect the decade box and reconnect the RTD probe e Press the Diag key to return to the selection screen Select Input Output to
133. to the terminals be made with 18 22 gauge wire wherever possible Figure 46 Transducers should be wired using twisted pairs of shielded wire The shields should be connected together and grounded at the flow computer end To prevent ground loops shields should be taped back and insulated at the transducer end Each of the 4 20 mA process input channels are individually optically isolated The transmitter may be connected in series with either the power or return line of the transducer current loop The Figure 44 shows a transducer wired in the power leg of the loop A B E D or E TYPE COMBO MODULE Z 4 20mA Input Signal Return TEMPERATURE TEMPERATURE TRANSMITTER PRESSURE PRESSURE 4 20mA Input TRANSMITTER Signal Return POWER TERMINALS LAD DC 2 DC Figure 46 Wiring the 4 20mA Inputs 5 2 Wiring of a Dry C Type Contact Certain types of flowmeter photo pulsers produce a low frequency contact pulse output typical 1 pulse per rotation To accommodate these low frequencies they can be wired to any pulse input on A or E Type Combo Modules as shown in Figure 47 A or E TYPE COMBO MODULE Pulse Input DRY CONTACT Signal Return POWER TERMINALS DC DC Figure 47 Wiring for Dry C Type Contact 50 0000 0001 Rev Omni Page 63 of 113 Chapter 5 Connecting to Transducers and Transmitters 5 3 Wiring RTD Probes NOTE Aand B Type Combo Modules always have 1 RTD excitat
134. tronics Your OMNI Flow Computer has a combination of different types of I O modules 50 0000 0001 Rev Omni Digital D Modules Serial S Modules Ethernet Modules A and B Type Combo Modules E and E D Type Combo Modules H and HV Type Combo Modules HART HT and HM Type Combo Modules Page 19 of 113 Chapter 1 1 7 1 50 0000 0001 Rev B SWS Omni Overview of Hardware and Software Features e SV Type Combo Modules Almost any combination of I O mix can be accommodated in the flow computer The only limitations are the number of I O connectors 4 on OMNI 3000 10 on OMNI 6000 and the number of wires connecting them to the back panel field wiring terminals 48 for OMNI 3000 120 for OMNI 6000 The OMNI Flow Computer has a standard order in which the modules are plugged into the Mother Board Figures 2 3 and 10 indicate this standard termination layout NOTE Mother board connectors do not have a specific address These are pre established at the factory Each OMNI Flow Computer will be supplied with a termination diagram Figure 15 indicating these settings N OMNI 5000 BACK PANEL OMNI 6000 BACK PANEL TE 2 4 TB 2 TB 4 TB 4 e sd bu N E s E 5 Li 5 cH a a 7 0 2 2
135. ugh the Front Panel controls to reset all RAM Press Prog Setup and Enter keys Press Enter again and Enter one more time This will now place you at the Privileged Password entry Enter your privileged password With the Program LED red use the down arrow key and scroll down in the menu and find the Reset All RAM entry Place the cursor on this entry and press Alpha Shift Y and enter The OMNI will reset and the LCD will display RAM invalid use OMNI as password Proceed to enter OMNI as the password then download your configuration using OMNICOM This procedure if followed correctly will allow the user to protect the calibration points for the and meter totalizers ATCHI MPER Ih Figure 6 68 6001 CPU Module 50 0000 0001 Rev B AV Omni Page 17 of 113 Chapter 1 Overview of Hardware and Software Features 1 6 68 6001 CPU Module with SMT RAM CAUTION Potential for Data Loss RAM Battery Backup OMNI flow computers leave the factory with a fully charged NiMH battery as RAM power backup RAM data including user configuration and I O calibration data may be lost if the flow computer is disconnected from external power for more than 30 days Observe caution when storing the flow computer without power being applie
136. ule Setup ANALOG OUT 2 INSTALL INSTALL HI JUMPER INSTALL RTD2 JUMPER JUMPERS 3 5VDC THRESHOLD mw HI AC DC AC RTD2 D A2 4 a z Pp m 2 A a 2 68 6006 E A mj d J 3 A m p All 2 All o N A PE x All ixl NS d INPUT CHANNEL 4 INSTALL JPB JUMPER INSTALL PULSE P JUMPERS REMOVE 4 20 JUMPER SELECT APPROPRATE J INPUT CHANNEL 3 JPB MODULE ADDRESS JUMPERS Z E INSTALL ANALOG A JUMPERS N SET 4 20 JUMPER AS REQUIRED A2 RTD Al INPUT 2 SET AS RTD INPUT m 4 20 z INPUT 1 SET AS 4 20 INPUT Figure 25 6006 B Combo Jumper Settings ANALOG OUT 2 INSTALL INSTALL RTD2 JUMPER JUMPERS mmm z RTD2 D A2 An R E DC 22 7 PE 9 x 4 SELECT APPROPRATE
137. whereas the NEMA 4X is a stainless steel enclosure which offers a degree of protection against corrosive agents Both OMNI 3000 and OMNI 6000 flow computers are mounted inside the NEMA enclosure on a swing frame The NEMA enclosure also includes a 5 x x 7 Lexan viewing window to allow easy viewing of the Front Display Refer to Figure 37 for overall dimensions OMNI offers a variety of NEMA enclosure configurations Contact OMNI Sales for further information Follow these installation notes for proper mounting and safe operation e Mount chassis to bonded metal surface Bonded metal surface shall be provided with safety earth path e Surface required to support unit weight Dimensions shown in inches and millimeters Approximate weight for single 6000 unit configuration NEMA Mount Chassis 70 1 5 32 kg Carbon Steel NEMA Mount Chassis 90 1 5 43 kg Stainless Steel 50 0000 0001 Rev Omni Page 55 of 113 Chapter 3 Mounting and Power Options Figure 39 NEMA Enclosure 3 2 Input Power The OMNI Flow Computer can be AC or DC powered Presently OMNI offers two power supply modules the 6118 PSU which is being phased out and the new 6218 Universal PSU The 6118 Power Supply can be identified by the large transformer and three large capacitors the 6218 Power Supply can be identified by one AC DC convertor a DC DC convertor and two large capacitors The following sections address both AC
138. will usually have several combo modules installed depending on the number of flowmeter runs to be measured If for example two A modules two B modules one E D module and one E modules were installed they would normally be numbered A1 A2 B1 B2 E D1 and E1 Other address combinations are acceptable e g A2 A3 B1 B4 E D2 amp E2 as long as each has a unique identity In the above example where six modules A1 A2 B1 B2 E D1 amp E1 are installed the physical I O points are mapped as follows note that a B module has only one analog output NOTE That E D modules come before the E modules Page 34 of 113 Chapter 2 Process Input Output Combination Module Setup To standardize OMNI recommends that combo modules should always be physically installed starting with the lowest number A Type Module in I O Slot 5 Slot 3 in OMNI 3000 as shown in Table 3 with additional modules being installed in ascending order towards Slot 10 Slot 4 in OMNI 3000 Table 3 Process Combo Module Addresses Versus Physical I O Points E D1 17 20 Slot 9 TB9 1 12 2124 9 amp 10 Slot 10 TB40 1 12 2 2 4 Assigning Specific Signal Inputs B1 B2 13 16 Slot 8 TB8 1 12 E1 The OMNI factory pre assigns the physical I O points of each flow computer based on information supplied at time of order This configuration information is stored in battery backed up static CMOS RAM If you wish to change or add to these assignments refer to t
139. ximum common mode and noise rejection Although providing RS 232C signal levels the tri state output design allows multiple flow computers to share one RS 232 device Communication parameters such as baud rate stop bits and parity settings are software selectable Figure 21 _ gt Serial Ports 1 amp 2 Use the 51 lt Setting B Serial Ports 3 amp 4 EM Use the 50 Module Setting e RTS Out e Chan B TX Out 9 RTS Chan A 9 TX out IL TIE JE JE JE dE IE LED Indicators RX In Chan A 9 npym 9 Rn 22 Rpy In Figure 16 Dual RS 232 Serial I O Serial Port Assignments The first port can be configured as a Modbus protocol port It can also be configured as a printer port The printer can be shared between multiple flow computers Reports can be printed on a daily batch end timed interval or on demand basis A reprint function provides backup should you experience printer problems at any time Customized report templates are input using the OMNICOM Configuration PC Software The second third and fourth ports are independent Modbus protocol channels The complete database of the flow computer is available for upload and download The OMNICOM configuration program provided by OMNI can use any of these ports The fourth RS 232C can also be set up to communicate with Allen Bradley PLC s Page 2
140. y This manual is copyright protected All rights reserved No part of this manual may be used or reproduced in any form or stored in any database or retrieval system without prior written consent of OMNI Flow Computers Inc Sugar Land Texas USA Making copies of any part of this manual for any purpose other than your own personal use is a violation of United States copyright laws and international treaty provisions OMNI Flow Computers Inc in conformance with its policy of product development and improvement may make any necessary changes to this document without notice Warranty Licenses and Product Registration Product warranty and licenses for use of OMNI Flow Computer firmware and of OMNICOM Configuration PC Software are included in the first pages of each Volume of this manual We require that you read this information before using your OMNI Flow Computer and the supplied software and documentation If you have not done so already please complete and return to us the product registration form included with your flow computer We need this information for warranty purposes to render you technical support and serve you in future upgrades Registered users will also receive important updates and information about their flow computer and metering system Copyright 1991 2010 by OMNI Flow Computers Inc All Rights Reserved 50 0000 0001 Rev B Page 9 of 113 Chapter 1 50 0000 0001 Rev Omni Overview of Hardware a
141. y one multivariable transmitter is needed per meter run and since there are a maximum of four meter runs there will never be a need for more than one HV Combo I O Module Two analog outputs are always available on this module Each module is connected to the back panel terminal blocks via 12 wires on the ribbon cables The actual terminal numbers used depend upon which backplane connector the module is plugged into Table 9 2 7 The SV Type Combo I O Module The SV Type Combo Module Figure 30 has two RS 485 serial ports that are used to communicate with devices such as Rosemount 3095 multivariable transmitters using Modbus Protocol The module also has six 4 20 mA outputs Table 9 Dual LEDs on each port provide status of the communications NOTE SV Modules and Other Combo Module Types The flow computer can handle only two SV Modules and three other B E D E or H I O Combo Modules HV module can also be installed in lieu of one of these I O combo modules Reference Tech Bulletin 980501 50 0000 0001 Rev B Page 46 of 113 Chapter 2 50 0000 0001 Rev B Omni Process Input Output Combination Module Setup Table 9 SV Combo Module Back Panel Terminal Assignments TB Terminal 1 Port 1 RS 485 TB Terminal 2 Port 1 A RS 485 RED LEDs TX RTS PORT NUMBERS IN GRN LEDs RX ARE FOR 2nd SV MODULE
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