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Siemens Complete Guide to Milltronics OCM III Manual and Utilities Software

Models: 7ML19985AB01

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Milltronics Utilities Software Disk

The Milltronics Utilities Software expands the human interface capabilities of the OCM-3 as compared to that provided by the simple use of the infra-red programmer.

Utilities Software	Programmer
- remote OCM-3 programming	- local programming
- remote OCM-3 display	- local display

-saving OCM-3 program parameters

-retrieving log data

-creating spread sheet data log file

-creating ASCII text data log file

-emulating serial printer

-graphic flow rate display

7ML19985AB01

OCM III

105

Image 104

Siemens 7ML19985AB01 Utilities Software Programmer Remote OCM-3 programming, Remote OCM-3 display Local display, 105

Contents

Open channel Unit Repair and Excluded Liability Contact Smpi Technical Publications at the following address Table of Contents Operation Start UPGeneral Keypad Initial Start Up Fundamental Checks Maintenance Error Codes 100 Communications 101 7ML19985AB01 Appendices OCM If you want to know about Read Product About thisShort OCM Specifications » range 20 or 4-20 mA » resolution» 20 to 50 C -5 to 122 F IP65 enclosure Programmer » CE *, FM, CSA NRTL/C Cabling Temperature SensorTransducer Output » Belden Communication SoftwareAuxiliary Input Outline and Mounting InstallationInstalling the OCM-3 OCM-3 Layout Customer device System DiagramOCM-3 Installing the Transducer Installing the Temperature SensorGround shield at OCM-3 only Basic Wiring Temperature Sensor Ground shield at OCM-3 only MA Output Relays Synchronization DC Power Power ConnectionsAC Power Installing the Memory BACK-UP Battery Installing the ProgrammerDisconnect power before installing or replacing the battery Communicating VIA Computer Keypad Start UPGeneral Initial Start UP OCM-3 is asking which language you prefer to communicateLanguage English P0 language English P1 dimensional units Centimeters F13 auto zero calibration 160 Completed 7ML19985AB01 1141 24-hr. time114100 Enter new time F5 ddmmyyyy date October 12 Fundamental Checks OCM Operation MemorySecurity Units Flow Calculation DisplayAbsolute vs. ratiometric = constant For battery operation, set display lighting to off or auto Damping For battery operation, have relays energizing on alarm Example For relay» 20 mA » P6 * flow rate Flow rate FAIL-SAFEFlow Rate and Totalizing Logging Capacity Viewing the data log Time and Date TemperatureBlanking Emulation Mode Reset Flow Velocity Input Auxiliary Head InputVoltage Input Current Input As normal 7ML19985AB01 100% head 4 m, enter 5 m Diagnostic AidsDC Output Security access required ‘D’ Parameter ListingVelocity Nominal target range OCM Keypad to mA output Enter security code Emulation mode‘F’ Parameter Listing OCM = centimetres ‘P’ Parameter ListingLinear Velocity Flowrate Volume = absolute = ratiometric Flow rate unitsGallons = imperial million gallons per day OCM = 4-20 mA = 0-20 mA 7ML19985AB01 OCM OCM Units FixedVariable condition OCM ‘U’ Parameters for P3 Primary Element OCM = constant factor U1 = head U0 = exponent U1 = k factor P4 = 0 onlyReference Typical SHARP-CRESTED Weirs Typical Weir Profiles Khafagi Venturi Typical Parshall Flume Typical Leopold Lagco ‘U’ parameters required ‘U’ parameters calculated BS-3680 Rectangular Flume = crest width = Cv = crest height = Cd = crest length = a BS-3680 Round Nose Horizontal Crest Weir Cv = velocity coefficient ¤ Refer to Operation \ Flow Calculation 7ML19985AB01 BS-3680 Trapezoidal Flume BS-3680 U-Flume, P3 = BS-3680 U-FLUME = crest width = C = crest height = Cp = crest length = head H and p applied to C BS-3680 Finite Crest Weir = Ce x 2⁄3 ⎯⎯√2⎯g x be x he1.5 Where q = flow rate = approach width = Ce = crest width = K b = crest height= gravitational acceleration = crest width He = effective head h + Kh = head Kh = 1 mm BS-3680 Thin Plate Rectangular Weir U0 = notch angle Alpha U1 = Ce BS-3680 Thin Plate V-NOTCH Weir U0 = crest width b Rectangular Weir Contracted Based on the Manning Formula = hydraulic radius = slope of hydraulic gradient Round Pipe U0 = maximum flume width, hmax PALMER-BOWLUS Flume U0 = maximum listed head, hmax Flume Universal Head vs FLOW, P3 = U0 = number of data points n, 4 to Flow, point A13 Head, point A14 Flow, point A15 Head, point A16Flow, point A17 Head, point A18 Flow, point A19 U0 = channel width B U1 = area h Rectangular Area X Velocity = head, cm = flow velocity, cm/sec Trapezoidal Area X Velocity = channel top width, cm = head, cm = channel base width, cm = B b/d Where q = flow rate, l/sFor h ≥ d Modified Trapezoidal Area X Velocity U0 = base diameter D U1 = area h Channel Area x Velocity U0 = conduit diameter U1 = area h Circular Area X Velocity GULL-WING Area X VELOCITY, P3 = Gull Wing Area X Velocity EGG-SHAPED Area X VELOCITY, P3 = EGG-SHAPED Area X Velocity Universal Area X VELOCITY, P3 = Typical open channel A10 = Universal Area X VelocityArea Head OCM Maintenance Error Codes Serial printer Customer’sComputer Protocol for the OCM-3 is as follows Baud rate 102 DB-9 connector DB-25 connectorBipolar Current Refer to Cvcc Instruction 104 DateP35 = 7, print interval set for 7 minutes 105 Utilities Software Programmer Remote OCM-3 programmingRemote OCM-3 display Local display 106 Typical OCM-3 Display value00.000000 99.12399.123000 7ML19985AB01 107 # = 0 through Content of P5 Response 109 Start data log down loadStop data log down load DB-25 connector 7ML19985AB01 Standard modemCable Computer Telephone lines Remote modem 111 Establishing CommunicationConnect Ending Communication 112 Rev