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Allen-Bradley ProcessLogix 1756-IA16 Reference Manual Download Page 8

Publication 1757-RM810A-EN-P - May 2002

viii

Sequential Control Module Blocks . . . . . . . . . . . . . . . . . . . 3-59

HANDLER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-59
STEP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-60
TRANSITION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-61

Utility Blocks  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-62

FLAG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-62
FLAGARRAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-62
MESSAGE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-63
NUMERIC  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-63
NUMERICARRAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-64
PUSH  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-64
TEXTARRAY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-68
TIMER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-68
TYPECONVERT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-69

Exchange Blocks (ControlNet Interoperability) . . . . . . . . . . 3-70

REQFLAGARRAY (Request Flag Array) . . . . . . . . . . . . . 3-70
REQNUMARRAY (Request Number Array). . . . . . . . . . . 3-70
REQTEXTARRAY (Request Text Array) . . . . . . . . . . . . . 3-71
RSPFLAGARRAY (Response Flag Array)  . . . . . . . . . . . . 3-71
RSPNUMARRAY (Response Number Array) . . . . . . . . . . 3-72
RSPTEXTARRAY (Response Text Array)  . . . . . . . . . . . . 3-72

Pulse Input Channel/Module Blocks  . . . . . . . . . . . . . . . . . 3-73

PICFASTCUTOFF 
(Pulse Input Channel with Fast Cutoff) . . . . . . . . . . . . . 3-73
PICHANNEL (Pulse Input Channel). . . . . . . . . . . . . . . . 3-74
PITOTALIZER (Pulse Input Totalizer) . . . . . . . . . . . . . . 3-74
1757-PIM (Pulse Input Module Block). . . . . . . . . . . . . . 3-75

Summary of Contents for ProcessLogix 1756-IA16

Page 1: ...ProcessLogix Function Blocks 1757 Series Reference Manual Spare Allen Bradley Parts...

Page 2: ......

Page 3: ...enance of Solid State Control available from your local Allen Bradley office describes some important differences between solid state equipment and electromechanical devices that should be taken into...

Page 4: ...ontact your local Rockwell Automation representative for sales and order support product technical training warranty support support service agreements Technical Product Assistance If you need to cont...

Page 5: ...Channel IOCHANNEL Library 1 9 Logic LOGIC Library 1 9 Regulatory Control REGCTL library 1 10 Sequential Control Module SCM library 1 10 Utility UTILITY Library 1 10 ControlNet Interoperability Exchan...

Page 6: ...Auxiliary Blocks 3 3 AUXCALC Auxiliary Calculation 3 3 DEADTIME 3 5 GENLIN General Linearization 3 6 LEADLAG Lead Lag 3 6 TOTALIZER 3 7 Device Control Block 3 8 DEVCTL 3 8 Data Acquisition Block 3 9...

Page 7: ...Reset dominant SR FLIP FLOP 3 28 RTRIG Rising edge Trigger 3 28 SEL Binary Selection 3 28 SELREAL Real Selection 3 29 SHL Shift Output Left 3 29 SHR Shift Output Right 3 29 SR Set dominant SR FLIP FL...

Page 8: ...ocks ControlNet Interoperability 3 70 REQFLAGARRAY Request Flag Array 3 70 REQNUMARRAY Request Number Array 3 70 REQTEXTARRAY Request Text Array 3 71 RSPFLAGARRAY Response Flag Array 3 71 RSPNUMARRAY...

Page 9: ...re relation category includes the physical equipment blocks provided in Control Builder These blocks let you quickly integrate the related control hardware into your control strategy Figure 1 1 on pag...

Page 10: ...ation 1757 RM810A EN P May 2002 1 2 Introduction to Control Builder Components Figure 1 1 Physical Equipment reference for corresponding hardware component in typical non redundant system architecture...

Page 11: ...RM810A EN P May 2002 Introduction to Control Builder Components 1 3 Figure 1 2 Physical Equipment reference for corresponding hardware component in typical redundant system architecture 42779 Spare Al...

Page 12: ...trol Execution Environment CEE Supports block execution and communications in given CPM Redundancy Module RM Defines name location of Primary and Secondary Redundancy Modules in Redundant Chassis Pair...

Page 13: ...ctional requirements of your process See the Control Builder Reference Manual publication 1757 RM808 for more information The functional relation category conveniently groups function blocks according...

Page 14: ...analog output digital input digital output pulse width modulator to represent I O points that are device independent each I O channel type has a standard interface with control function blocks This ca...

Page 15: ...Library includes the function blocks listed below Detailed descriptions are given in the following chapter titled Functional Blocks AUXCALC DEADTIME GENLIN LEADLAG TOTALIZER Device Control DEVCTL Libr...

Page 16: ...24V dc Yes 1756 IB16I 16 Digital Input 24V dc Yes 1756 IF6I 6 Analog Input 10V and 4 to 20 mA Yes 1756 IF16 16 Analog Input 10V and 4 to 20 mA No 1756 IM16I 16 Digital Input 220V ac Yes 1756 IT6I 6 R...

Page 17: ...s Logic LOGIC Library The Logic Library includes the function blocks listed below Detailed descriptions are given in the following chapter titled Functional Blocks AICHANNEL DOCHANNEL AOCHANNEL PWMCHA...

Page 18: ...ntrol Module Library includes the function blocks listed below Detailed descriptions are given in the following chapter titled Functional Blocks HANDLER STEP TRANSITION Utility UTILITY Library The Uti...

Page 19: ...onal Blocks Pulse Input Channel with Fast Cutoff Pulse Input Channel Pulse Input Module Pulse Input Totalizer 1797 FLEX Ex Modules RAIL_IO_HAZ The 1797 FLEX Ex I O Library includes the IOM blocks asso...

Page 20: ...se refer to the 1794 FLEX I O Implementation Guide in Knowledge Builder for complete details about the 1794 FLEX I O Modules Fieldbus Interface FBUSIF Library The Fieldbus Interface Library includes t...

Page 21: ...ng the status and configuration of the CPM Processes the computation of statistical parameters and notification reporting Serves as a faceplate for any parameters whose scope corresponds to that of th...

Page 22: ...future CEE will run on other platforms as well Serves as a faceplate for any parameters whose scope corresponds to that of the CEE rather than the CPM as a whole Supports configurable subscription rat...

Page 23: ...ations through the redundancy cable Outputs See above Parameters ALMENBSTATE AREVISION AUTOSYNCCMD AUTOSYNCOPT AUTOSYNCSTAT AVERSION BECMPRICMD BREVISION BVERSION CHANINUSE 0 31 CJDISABLE CLKADJUST CL...

Page 24: ...M configuration Inputs Real time data transmission from physical device Outputs Real time data transmission to configured IOC Parameters ALMENBSTATE ASACONNSTS ASAERRCODE ASAERRINFO CATNUMBER CEESTATE...

Page 25: ...me data transmission from physical device Outputs Real time data transmission to configured IOC Parameters ALMENBSTATE ASACONNSTS ASAERRCODE ASAERRINFO CATNUMBER CEESTATE CHANTEXT COS 0 numChans 1 DES...

Page 26: ...stor in the input You may not need a bleed resistor for solid state contacts Loss of Field Power Senses when field power of a group of channels is lost Provides link to IOC through IO manager software...

Page 27: ...ust include a bleed resistor in the input You may not need a bleed resistor for solid state contacts Provides link to IOC through IO manager software resident in the CPM Executes once every cycle Incl...

Page 28: ...YPE PVVAL 0 numChans 1 SCANAREA SCANASSOCDSP SCANCTRLLVL SCANEUHI SCANEULO SCANGRPDTL SCANPNTDTL ULCNBMAC UPDATOPT VENDOR WIREOFF 0 numChans 1 32 Channel 24Vdc Non Isolated Digital Input Description I...

Page 29: ...MCONN NUMDISCONN NUMSHUTDOWN OHMOFFSET 0 numChans 1 ORDERINCEE ORDERINCM OVERRANGE 0 numChans 1 PERIOD PHASE PRODTYPE PVRAW 0 numChans 1 RTPPRESENT SAMPLERATE SCANAREA SCANASSOCDSP SCANCTRLLVL SCANEUH...

Page 30: ...ORREV MINORREV NOFIELDPWR 0 numChans 1 NUMCHANS NUMCONN NUMDISCONN NUMSHUTDOWN ORDERINCEE ORDERINCM PERIOD PHASE PRODTYPE PVVAL 0 numChans 1 SCANAREA SCANASSOCDSP SCANCTRLLVL SCANEUHI SCANEULO SCANGRP...

Page 31: ...cle Includes IOC assignment to one of 6 channels points as part of IOM configuration Inputs Real time data transmission from physical device Outputs Real time data transmission to configured IOC Param...

Page 32: ...s Real time data transmission from configured IOC Outputs Real time data transmission to physical device Parameters ALMENBSTATE ASACONNSTS ASAERRCODE ASAERRINFO CATNUMBER CEESTATE CHANTEXT DESC DLCNBS...

Page 33: ...ion from configured IOC Outputs Real time data transmission to physical device Parameters ALMENBSTATE ASACONNSTS ASAERRCODE ASAERRINFO CATNUMBER CEESTATE CHANTEXT DESC DLCNBSLOT ENOLOAD 0 numChans 1 E...

Page 34: ...only works when the output is in the OFF state Output Verification Verifies if the actual output state matches the commanded output state for field side verification It only works when the output is...

Page 35: ...ual output state matches the commanded output state for field side verification It only works when the output is in the ON state Pulse Test Periodically checks the output to verify that it still has t...

Page 36: ...a is triggered or is current digital Boolean value or pulsed real value Outputs Real time data transmission to physical device Parameters ALMENBSTATE ASACONNSTS ASAERRCODE ASAERRINFO CATNUMBER CEESTAT...

Page 37: ...ed or is current digital Boolean value or pulsed real value Outputs Real time data transmission to physical device Parameters ALMENBSTATE ASACONNSTS ASAERRCODE ASAERRINFO CATNUMBER CEESTATE CHANTEXT D...

Page 38: ...OD PHASE PRODTYPE SAMPLERATE SCANAREA SCANASSOCDSP SCANCTRLLVL SCANEUHI SCANEULO SCANGRPDTL SCANPNTDTL SIPTYPE 0 numChans 1 ULCNBMAC UPDATOPT VENDOR 6 Channel 10V Analog Output Description Identifies...

Page 39: ...ANEUHI SCANEULO SCANGRPDTL SCANPNTDTL SIPTYPE 0 numChans 1 ULCNBMAC UPDATOPT VENDOR Up to 32 Array Channel Function Blocks Description Identifies the physical Serial Interface Module SIM for the CPM t...

Page 40: ...Publication 1757 RM810A EN P May 2002 2 20 Physical Equipment Blocks...

Page 41: ...te strategies according to function It provides these basic services for configured blocks Serves as the unit of load for continuous and discrete control strategies Transfers data between passive para...

Page 42: ...ROLLOCK DESC ENBHANDLER 1 8 ESTWEIGHT EUDESC EVALTRANS 1 10 1 10 EVALTRANSN 1 10 1 10 EXCMODEOPT EXECCODE EXECDESC EXECSTATE EXECSTS FAILALM FL FAILALM PR FAILALM SV HIALM HIALM PR HIALM SV HIALM TYPE...

Page 43: ...CM57 PID100 MODE In effect tag names allow expressions to have an unlimited number of inputs and work with any data type Expression Rules Must include tag parameter name for P inputs in the expressio...

Page 44: ...ural Logarithm of a number ATN arc tangent RND Round value COS Cosine SGN sign of value returns 1 0 or 1 EXP e to the power of x SIN Sine INT convert to integer SQR Square of a number ISFIN is finite...

Page 45: ...to accomplish the desired delays in the input P1 P1 values are stored and shifted through the table at a rate that is calculated to produce the desired Deadtime The table shift rate is derived from th...

Page 46: ...rst and last segments are treated as if they are infinitely extended This means if P1 is less than IN 0 or greater than IN NUMSEGS PV is computed by assuming that the slope in the appropriate segment...

Page 47: ...block s PV status is bad Flags indicating if accumulated value has reached user specified target value or one of the accumulator deviation trip points ACCTVFL and ACCDEV FL 1 4 Equations You can confi...

Page 48: ...d output PO 1 3 to a DO ONPULSE or DO OFFPULSE in the DOCHANNEL block Note that you can only connect one Boolean DO 1 3 or one pulsed PO 1 3 output to any one DOCHANNEL block as a DO SO or DO ONPULSE...

Page 49: ...V source selection of manual means an operator can store a value to the output PV A selection of substitute means a user program can store a value to PV Inputs Requires one process input value P1 that...

Page 50: ...SV PVLOALM TM PVLOALM TP PVLOSIGCHG CT PVLOSIGCHG TP PVP PVSOURCE PVSRCOPT PVSTS PVSTSFL BAD PVSTSFL MAN PVSTSFL NORM PVSTSFL UNCER PVVALSTS ROCNEGALM FL ROCNEGALM PR ROCNEGALM SV ROCNEGALM TP ROCPOSA...

Page 51: ...cal AO hardware module at execution runtime Parameters BACKCALCOUT BADCAL BADCODE CALBIAS COMMFAILFL DEBUG EXECCOUNT FETCHMODE FREEZETIME IOCNUMBER INITREQ INITVAL IOCSTATE IOCTYPE IOMCONN OP OPFINAL...

Page 52: ...on Provides a pulse width modulated output signal for operating final control elements in combination with a DO Module Function Brings OP data from connected block and stores data in an associated IOM...

Page 53: ...g INITREQ parameters to mirror the status of the ERRFL parameter data is valid or invalid Inputs Boolean value from device or another block Outputs Boolean value Associated Block Prior to loading bloc...

Page 54: ...verall error flag ERRFL ON when the array data is invalid and generates a detailed error code ERRORCODE Provides bad PV flag BADPVFL and initialization request flag INITREQ parameters to mirror the st...

Page 55: ...blocks one element at a time Sets an overall error flag ERRFL ON when the array data is invalid and generates a detailed error code ERRORCODE Provides bad PV flag BADPVFL and initialization request fl...

Page 56: ...0 2 MAJ ORDERINCM Description Provides an up to 8 input AND algorithm meaning that it performs the Boolean operation of conjunction Each input IN 1 IN 2 IN 8 has the capability of being optionally in...

Page 57: ...ompares two inputs for equality within a specified deadband range Function Turns the digital output OUT ON only when the two inputs IN 1 and IN 2 are considered equal within a specified deadband range...

Page 58: ...ut a designated trip point parameter Function Turns the digital output OUT ON only when one designated input IN 1 is greater than or equal to a second input IN 2 or for single input a designated trip...

Page 59: ...ail safe behavior is consistent with the IEEE 754 floating point standard Parameters DEADBAND IN 0 2 NUMOFINPUTS ORDERINCM OUT TP Description Provides a 2 input Compare Less Than or Equal with deadban...

Page 60: ...t parameter TP as follows If IN 1 IN 2 then OUT ON If IN 1 IN 2 DEADBAND then OUT OFF If IN 2 IN 1 IN 2 DEADBAND then OUT is not changed Inputs IN 1 2 Real numbers If only one input connection is conf...

Page 61: ...es an output that is the minimum value of eight inputs Function Used to isolate the lowest value of multiple input values and use it as a designated output value This block ignores NaN inputs Inputs I...

Page 62: ...to a particular input IN 1 IN 2 IN 8 depending on the value of a separate input K Input K is clamped at 0 and 7 Truth Table K 0 1 n 1 OUT IN1 IN2 INn Inputs IN 8 Real numbers K 8 bit unsigned integer...

Page 63: ...at it checks to see if one designated input IN 1 is not equal to either a second input IN 2 or for single input a designated trip point parameter TP Function Turns the digital output OUT ON only when...

Page 64: ...unsigned integer range 1 5 There can be a maximum of 20 inputs N 20 Outputs VOTED ORED Boolean state ON or OFF as determined by the inputs ALARM pulse output width specified by parameter PULSEWIDTH PU...

Page 65: ...ate Delay time in seconds is specified by the DELAYTIME parameter Inputs IN Boolean value No delay is provided when the input goes from the OFF state back to the ON state Outputs OUT Boolean value Whe...

Page 66: ...olled by the status of input signals Parameters IN 1 8 INPTINVSTS 1 8 Description Provides a fixed pulse output OUT each time the input IN transitions from OFF to ON You specify the fixed output pulse...

Page 67: ...that is rotated to the left by the number of bits N specified from the 16 bit integer input IN You specify the number of bits through configuration Function Used to shift out bits in the output OUT by...

Page 68: ...r sets the output OUT to ON following the OFF to ON transition of the input IN and stays at ON until the next execution cycle at which time it returns to OFF Function Provides rising edge change detec...

Page 69: ...t by the number of bits N specified from the 16 bit integer input IN You specify the number of bits N through configuration Function Used to shift out bits in the output OUT by shifting the bits in th...

Page 70: ...cycle at which time it returns to OFF Function Provides edge change detection thereby turning the output ON if an OFF to ON or ON to OFF transition is detected This block assumes that the input is st...

Page 71: ...trol strategy where an upstream block may not accept an initialization request from its secondary between FANOUT block and a final control element to provide bumpless output on return to cascade Timeo...

Page 72: ...ALM SV BADCTLFL BADCTLOPT CTLINIT CV CVEUHI CVEULO DESC ESWENB ESWFL AUTO ESWFL BCAS ESWFL CAS ESWFL MAN ESWPERM EUDESC FBORSTS GAINHILM GAINLOLM HIALM HIALM PR HIALM SV HIALM TYPE HOLDOPT HOLDRATE HO...

Page 73: ...8 initializable outputs as follows OP 1 8 Calculated output in percent OPEU 1 8 Calculated output in engineering units Note that the default OP 1 2 connection pins are exposed on the blocks and the i...

Page 74: ...ODEFL AUTO MODEFL BCAS MODEFL CAS MODEFL MAN MODEFL NORM MODEPERM MODEREQ MODETRACK NORMMODE NORMMODEATTR NUMONESHOT NUMPRI NUMPROPREQ NUMSEC OP 1 8 OPBIAS 1 8 OPBIAS 1 8 FIX OPBIAS 1 8 FLOAT OPBIAS 1...

Page 75: ...inputs XEUHI represents the 100 of full scale value XEULO represents the 0 of full scale value Outputs Block has following initializable outputs OP Calculated output in percent OPEU Calculated output...

Page 76: ...DEPERM MODEREQ MODETRACK NORMMODE NORMMODEATTR NUMONESHOT NUMPRI NUMPROPREQ NUMSEC OP OPBIAS OPBIAS FIX OPBIAS FLOAT OPBIAS RATE OPEU OPEXHIFL OPEXHILM OPEXLOFL OPEXLOLM OPHIALM DB OPHIALM DBU OPHIALM...

Page 77: ...uts Block has following initializable outputs OP Calculated output in percent OPEU Calculated output in engineering units Note that the default OP connection pin is exposed on the blocks and the impli...

Page 78: ...STREQFL LASTSPREQ LASTSPTVREQ LASTSTEP MODE MODEAPPL 1 4 MODEATTR MODEATTRFL NORM MODEATTRFL OPER MODEATTRFL PROG MODEFL AUTO MODEFL BCAS MODEFL CAS MODEFL MAN MODEFL NORM MODEPERM MODEREQ MODETRACK N...

Page 79: ...uts Requires both PV and FF inputs to provide its feedforward function The PV and FF inputs must be pulled from other blocks you cannot store to them The feedforward signal may come from a field devic...

Page 80: ...entered values Prevents operator from storing OP value that exceeds these limits Equation Options Equation A Proportional Integral and Derivative on error Equation B Proportional and Integral on erro...

Page 81: ...MODEATTRFL PROG MODEFL AUTO MODEFL BCAS MODEFL CAS MODEFL MAN MODEFL NORM MODEPERM MODEREQ MODETRACK NLFORM NLGAIN NORMMODE NORMMODEATTR NUMONESHOT NUMPRI NUMPROPREQ NUMSEC OP OPBIAS OPBIAS FIX OPBIA...

Page 82: ...irection Minimum raise or lower pulse time MINPULSER or MINPULSEL Timeout Monitoring In cascade mode performs timeout monitoring on SP If a good SP value is not received within a predefined time this...

Page 83: ...I CVEULO OPHILM OPLOLM OPEXHILM and OPEXLOLM Equation Options The POSPROP block generates Raise and Lower pulses at a rate specified by the configurable cycle time CYCLETIME parameter It calculates th...

Page 84: ...PREQ LASTOPTYPE LASTRATEREQ LASTREQFL LASTSPREQ LASTSPTVREQ LASTSTEP LOWERDEADTM LOWERDESC LOWERLMFL LOWERRATE LOWERTIME MANPULSECMD MANPULSETIME MAXPULSEL MAXPULSER MINPULSEL MINPULSER MODE MODEAPPL...

Page 85: ...NT block This parameter is an internal structure that contains the pulse width specification in seconds It also contains a Serial Number that changes every time there is a new pulse width value The PU...

Page 86: ...al structure that contains the pulse width specification in seconds It also contains a Serial Number that changes every time there is a new pulse width value The PULSELENGTH block checks for a change...

Page 87: ...alculated output in percent OPEU Calculated output in engineering units Note that the default OP connection pin is exposed on the blocks and the implicit hidden connection function automatically makes...

Page 88: ...UMPROFILES MODE MODEAPPL 1 4 MODEATTR MODEATTRFL NORM MODEATTRFL OPER MODEATTRFL PROG MODEFL AUTO MODEFL BCAS MODEFL CAS MODEFL MAN MODEFL NORM MODEPERM MODEREQ MODETRACK NETELAPSEDTM NORMMODE NORMMOD...

Page 89: ...n to the cascade mode and will do so as soon as it gets a good X1 value This is true only if the original mode was Cascade and the TMOUTMODE is Auto If you change the mode this clears the CASREQFL and...

Page 90: ...ate limit and sets RT primary windup status RTHILM represents high ratio limit value RTLOLM represents low ratio limit value Outputs Block has following initializable outputs OP Calculated output in p...

Page 91: ...DE NORMMODEATTR NUMONESHOT NUMPRI NUMPROPREQ NUMSEC OP OPBIAS OPBIAS FIX OPBIAS FLOAT OPBIAS RATE OPEU OPEXHIFL OPEXHILM OPEXLOFL OPEXLOLM OPHIALM DB OPHIALM DBU OPHIALM FL OPHIALM PR OPHIALM SV OPHIA...

Page 92: ...g INITREQ and INITVAL both assignable outputs Override Feedback Processing If this block is in a cascade strategy with a downstream Override Selector OVRDSEL block it receives override feedback data T...

Page 93: ...Functions Table 3 lists the expression operators and functions supported by this block for reference Parameter Identification You must specify a parameter by its full tag name For example CM25 PumpASe...

Page 94: ...O MODEFL BCAS MODEFL CAS MODEFL MAN MODEFL NORM MODEPERM MODEREQ MODETRACK NORMMODE NORMMODEATTR NUMONESHOT NUMPRI NUMPROPREQ NUMSEC OP OPBIAS OPBIAS FIX OPBIAS FLOAT OPBIAS RATE OPEU OPEXHIFL OPEXHIL...

Page 95: ...it means the block is waiting to return to the cascade mode and will do so as soon as it brings a good X1 value Control Initialization Block brings initialization requests from its secondary through...

Page 96: ...ue that exceeds these limits Parameters ALMDB ALMDBU ARWNET 1 8 ARWOP ASTEPID BADCTLALM FL BADCTLALM PR BADCTLALM SV CASREQFL CTLINIT CV CVEUHI CVEULO DESC ESWENB ESWFL AUTO ESWFL BCAS ESWFL CAS ESWFL...

Page 97: ...builds an initialization request for the non selected primaries as INITREQ n ON INITVAL n CV OPBIAS FIX Override Feedback Processing If this block is in a cascade strategy with a downstream Override...

Page 98: ...DCTLALM FL BADCTLALM PR BADCTLALM SV BADCTLFL BADCTLOPT BADINPTOPT 1 8 CTLEQN CTLINIT CV CVEUHI CVEULO DESC ESWENB ESWFL AUTO ESWFL BCAS ESWFL CAS ESWFL MAN ESWPERM EUDESC FBORSTS HIALM HIALM PR HIALM...

Page 99: ...Stop Handler Abort Handler Choices of which HANDLER block of each category to invoke are manifested through a HANDLER block selection list on the SCM block A HANDLER block is invoked when its invoke...

Page 100: ...r may simply specify any scalar value Floating Point Boolean Enumeration for comparison in a logical expression or as a value to be stored to the target store destination Parameters of other blocks ca...

Page 101: ...e as the input and the output is the logical negation of the input respectively NONE ON and OFF have no inputs Expressions You enter desired condition expressions into the transition condition configu...

Page 102: ...as operator engineer or other function block an Off Normal Alarm whereby one of the flag s states is configured as the normal state whenever the flag changes state the Off Normal Alarm is generated In...

Page 103: ...rue The CONFIRMED n parameter indicates whether the MESSAGE block has received a confirmation If the Message block is connected to a block whose output is a Boolean and the Boolean becomes True the Me...

Page 104: ...function block performs the type conversion and clamping before it pushes the value to the destination The destinations are configured by using either parameter connectors or wire connections Descript...

Page 105: ...e then it is pushed to the destination There are two statuses provided EXECSTS and STORESTS These will give the user indication of the status of fetching input and status of output store refer to page...

Page 106: ...OUT INT32 Signed 32 bit Integer Output Value OUT FLOAT32 32 bit floating point Output Value OUT FLOAT64 64 bit floating point Output Value OUT ENUM Enumerated Output Value OUT SDENUM Self Defining Enu...

Page 107: ...STS provides information on how successful the block is in storing input STORESTS can have the following values STOREOK Successful i e the store was successful STOREPENDING This is an intermediate sta...

Page 108: ...ge is 1 to 30 If NSTRING is 60 and STRLEN is 16 then the STR n range is 1 to 60 If NSTRING is 120 and STRLEN is 8 then the STR n range is 1 to 120 Inputs Outputs Up to 120 output strings STR 1 120 dep...

Page 109: ...to one or many output parameters with different data types The TYPCONVERT block reads the input value and only provides the converted output when the block connected to its output runs Inputs Outputs...

Page 110: ...COMMAND DHCHANNEL DHDESTLINK DHFL DHNODE DHSRCLINK DONEFL ERRCODE ERRFL ERRINFO FILENUM LASTRESPTM NFLAG ORDERINCM PATH PVFL 0 511 PVVALSTS 0 511 READYFL SENDFL Description Provides storage for up to...

Page 111: ...to read or write an array of up to 512 BOOLEAN values Function The Response Array function blocks can be used to respond to requests from third party devices using the PCCC or CIP protocols These func...

Page 112: ...ation or re assembly is done either in the blocks themselves Associated Block RSPFLAGARRAY and RSPTEXTARRAY Parameters CIPNAME DATATYPE FILENUM NNUMERIC ORDERINCM PV 0 63 PVSTS 0 63 PVVALSTS 0 63 Desc...

Page 113: ...om its associated Pulse Input Module If the associated IOM does not exist in the CPM fail safe values are set Outputs After Input Processing the Pulse Input Channel with Fast Cutoff will send commands...

Page 114: ...VOLTAGE Description Periodically adds an input value P1 to an accumulator value PV Sets status flags to indicate when accumulator value is near nearer nearest to the user specified target value Functi...

Page 115: ...odule block sends assembly data to the Pulse Input device using IO Manager services Associated Block Pulse Input Channel Pulse Input Channel with Fast Cutoff and Pulse Input Totalizer Parameters ALMEN...

Page 116: ...Publication 1757 RM810A EN P May 2002 3 76 Functional Blocks...

Page 117: ...nformation is provided 1 2 3 Can we add more information to help you procedure step illustration feature example guideline other explanation definition Technical Accuracy all provided information is c...

Page 118: ...NECESSARY IF MAILED IN THE UNITED STATES BUSINESS REPLY MAIL FIRST CLASS MAIL PERMIT NO 18235 CLEVELAND OH POSTAGE WILL BE PAID BY THE ADDRESSEE 1 ALLEN BRADLEY DR MAYFIELD HEIGHTS OH 44124 9705 PLEA...

Page 119: ...Spare Allen Bradley Parts...

Page 120: ...Publication 1757 RM810A EN P May 2002 2 PN 957603 62 Copyright 2002 Rockwell Automation All rights reserved Printed in the U S A...

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