Red-lion LEGEND Uživatelský manuál

THE LEGEND SERIESMODEL LGB INSTRUCTION MANUALLGB Cover.indd 1LGB Cover.indd 1 7/11/2011 1:53:02 PM7/11/2011 1:53:02 PM

FRONT PANEL DESCRIPTIONThe front panel has a clear viewing window to view the two line by eightcharacter LCD display with yellow/green or red backligh

FRONT PANEL ACCESSIBLE FUNCTIONS WITH PROGRAMDISABLEThe Legend has several ways to limit the programming of parameters from thefront panel keypad. The

PROGRAMMING GENERAL DESCRIPTIONProgramming the Legend unit is done through the front panel keypad, whichallows the user to enter into Main Menus, Sub-

PROGRAM PRESETS & COUNTER LOAD MODULEThe Preset and Counter Load values are accessed from any of the indicationdisplays, or from any of the main m

PROGRAM SCALE FACTORS MODULEThe Scale Factors are accessed from the Scale Factors module in the maindisplay loop or from the Scaling module in the pro

PROGRAMMING MENUSThe programming menus are accessed when “Program Mode” is displayed inthe main display loop. All parameter values can be accessed fro

PROGRAMMING SCALING MODULEIn the scaling module, the Count and Rate Scale Factors, scale multipliers, rateconversion factor, and decimal points are ac

RATE SCALE MULTIPLIER (RATE SCM)The Rate Scale Multiplier is used with the rate scale factor and rate conversionfactor to scale the rate display value

PROGRAM RATE MODULEIn the Rate module the Minimum and Maximum Update Times areprogrammed. The update times can range from 0.1 to 99.9 seconds. Thefoll

PROGRAM COUNTER MODULEIn the Counter module, the count mode, reset action, and automatic resetcapability are selected. The following flowchart shows o

INTRODUCTIONThe Legend Series LGB is another unit in our multi-purpose series of industrial control products that are field-programmable for solving v

COUNT MODES (Cont’d)QUAD X2 (QUADRATURE X2)When two edge counting is used, the quadrature mode works the same aswith single edge counting when Input B

Notes:1. For Auto Reset modes, when operating between approximately12to maximumcount rate, all other presets should not occur within 1 to 6 counts fol

PROGRAM USER MODULEThere are five User Inputs, three external UserInputs, and two front panel function keys, whichhave a variety of programmable capab

MAINTAINED RESET (MNT RST) (Cont’d)TOTAL: Resets the total count value to zero. With Maintained reset, thevalue is held reset as long as the User Inpu

PROGRAM OUTPUTS MODULEPresets 1 and 2 activate relay Outputs 1and 2 respectively. The outputs with presetsare assigned to the Process Count display.Ou

TIMED, LATCHED, OR BOUNDARYTimed mode can be programmed from 0.01 to 99.99 seconds. When thedisplay value equals the preset value, the output will be

PROGRAM DISPLAY MODULEThe indication displays are each programmed individually. Each line of eachindication display can be programmed to show mnemonic

PROGRAM COMMUNICATION PORTWhen communicating to a Legend unit via the serial port, the data formats ofboth units must be identical. The Baud Rate and

PROGRAM PRINT OPTIONS MODULEA print operation occurs when a user input, programmed for the print requestfunction, is activated or when a “P” command i

PROGRAM OPTIONS MODULEThe Program Options module is used to enable or disable the OperatorAccessible functions, Preset Tracking selections, or load th

Table of ContentsGENERALDESCRIPTION ······················································· 4BlockDiagram ············································

LGB FACTORY SETTINGSPRESETS:P1 Process 500P2 Process 1000P3 Batch 300P4 Batch 400Counter Load -100PROCESS COUNT:Scale Factor 1.0000SCM X1Decimal Point

LGB FACTORY SETTINGS (Cont’d)OUTPUTS (Cont’d):Output 3:Assigned TO BATCHPhase + PHASEType TIMEDTime Delay 0.1Status [email protected] w/Cnt ENABLEDOutput

LGB USER SETTINGS CHARTPRESETS:P1 ProcessP2 ProcessP3 BatchP4 BatchCounter LoadPROCESS COUNT:Scale FactorSCMDecimal PointInputProcess Reset toProcess

LGB USER SETTINGS CHART (Cont’d)OUTPUTS (Cont’d):Output 3:AssignedPhaseTypeTime DelayStatusReset w/CntOutput 4:AssignedPhaseTypeTime DelayStatusReset

RS485 SERIAL COMMUNICATIONSRS485 communications allows for transmitting and receiving of data over asingle pair of wires. This standard feature can be

COMMUNICATION FORMATThe half-duplex communication operation sends data by switching voltagelevels on the common pair of wires. Data is received by mon

SENDING COMMANDS AND DATA (Cont’d)The Address command is used to allow a command to be directed to a specificunit on the Serial Communications line. W

RECEIVING DATAData is transmitted from the Legend when a “T” Transmit Value or a “P”Transmit Print Options command is sent to the Legend via the seria

SERIAL CONNECTIONSWhen wiring, remove the 12-position terminal block, which is the top board atthe rear of the unit. Refer to the numbers listed on th

SERIAL CONNECTIONS (Cont’d)-37-CONNECTING TO A HOST TERMINALSix Legend units are used to monitor and control partspackaging machines in a plant. Legen

SetOutput(SETOUT) ····················································21View/FreezeDisplay(VIEWDS1) ············································21Chan

TROUBLESHOOTING SERIAL COMMUNICATIONSIf problems are encountered when interfacing the Legend(s) and host deviceor printer, the following check list ca

INSTALLATION & CONNECTIONS-39-INSTALLATION ENVIRONMENTBefore installing the Legend into the panel, the user should first become familiarwith the u

EMC INSTALLATION GUIDELINESAlthough Red Lion Controls Products are designed with a high degree ofimmunity to Electromagnetic Interference (EMI), prope

AC POWER WIRINGThe AC power is connected to the bottom left terminals 1 & 2 marked ACPWR. The voltage selector switch, located at the side of the

SIGNAL WIRINGINPUTSA&BInput A and Input B have the same input circuitry. Input A and Input B eachhave separate DIP switches for setting the type o

INSTALLATION & REMOVAL OF RELAY BOARDTo install the relay board, locate the relay opening at the lower right-handcorner, on the back of the Legend

-44-VARIOUS SENSOR OUTPUT CONNECTIONS(See Note 1)COUNT SWITCH OR ISOLATED TRANSISTOR OUTPUTS SENSORS WITH -EF SENSORS WITH CURRENT SINK SENSORS WITH C

NOTES:1. SENSOR VOLTAGE AND CURRENTThe +12 VDC (in/out) terminal can supply voltage to a sensor within a ±25%variation, due to line and internal load

SPECIFICATIONS1. DISPLAY: 2x8, 0.3" (7 mm) high characters, negative image transmissiveLCD, with yellow/green or red LED backlighting.2. POWER:AC

SPECIFICATIONS (Cont’d)2. Maximum count rate given for X2 and X4 count modes are given for 50%duty cycle signals and Quad signals with 90° phase shift

Serial Connections ·························································· 36Connecting to a Host Terminal ········································

-48-TROUBLESHOOTING GUIDEFor further technical assistance, contact technical support at the numbers listed onthe back cover of the instruction manual.

-49-TROUBLESHOOTING GUIDE (Cont’d)PROBLEMS POSSIBLE CAUSE REMEDIESPROCESS, BATCH, TOTAL, PEAK, ORVALLEY VALUES WILL NOT RESET WHENA MANUAL RESET IS PE

-50-TROUBLESHOOTING GUIDE (Cont’d)PROBLEMS POSSIBLE CAUSE REMEDIESINCORRECT RATE READING 1. Input signal type incorrectly selected. 1. Check DIP switc

APPENDIX “A” - SCALING FOR COUNT INDICATIONThe Legend is factory set to provide 1 count on the display for each pulse thatis input to the unit. In man

Once the Number of Count Edges (NCE) to be used has been determined, theRemaining Scaling factor required, “KR”, can be calculated. This is the TotalS

COUNTER SCALING EXAMPLE:EXAMPLE #1:A flow sensor provides 62 pulses per gallon. Calculate the scaling required toprovide a display reading in gallons.

APPENDIX “B” - SCALING FOR RATE INDICATIONThe Legend offers a simplified method for scaling the rate portion of theindicator. The method does not requ

RATE SCALE MULTIPLIERThe general rule for choosing an SCM value is, when the Total Scale Factor,“KT”, is less than 0.6000, an SCM value of 0.1 or 0.01

EXAMPLE #2:The shaft of a positive displacement pump has a 14 tooth sprocket that is beingsensed by a magnetic pickup. It is known that the unit pumps

-57-A food processor manufacturing cheese must meter 500 gallons of milk intoan open tank for the first step of preparation. The manufacturer wants to

GENERAL DESCRIPTIONThe Legend unit (LGB) is a two input,microprocessor-based device which featuresprocess, batch, and total counting, as well as a tim

-58-APPENDIX “D” - ORDERING INFORMATIONMODEL NO. DESCRIPTIONPART NUMBERS115/230 VAC & +12 VDCLGB Four Preset Batch Legend w/Yel-Grn Backlighting L

LIMITED WARRANTYThe Company warrants the products it manufactures against defects in materials and workmanship for a period limited to two years from

LGB/IM - M 04/14DRAWING NO. LP0240Red Lion ControlsHeadquarters20 Willow Springs CircleYork PA 17406Tel +1 (717) 767-6511Fax +1 (717) 764-0839Red

When power is turned off, the unit automatically saves the settings and data inits no-power memory. When power is restored, the LGB restores the param

BASIC OPERATION (Cont’d)The signal at Input A is used for the rate indicator portion. The rate indicatoruses a time interval method (1/tau) to calcula

PEAK & VALLEYThe Peak and Valley registers will record the lowest (Valley) and the highest(Peak) readings of the rate input signal. These values a