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Help Basic description of the Mervis IDE Frequently asked questions Programming Options Communication options Hardware capabilities User prerequisites Definitions of terms necessary for work in Mervis IDE General proceedings to program PLCs Start the IDE New Solution New Solution in Simple mode Hot Keys Mouse Control Settings Searching variables - Quick Find Project archiving Process station, or controller (PLC) PLC attachment (and platform type settings) Controller runtime update Update from HW device Uploading of program to a PLC Controller properties Hardware points Controller configuration PLC Reboot Time setup Firewall settings Connection over a Proxy server Profiles PLC task definition Communication channel settings Defining of HW variables for a communication channel Automatic assignment of a Domat device Export of devices Import of devices Coupling IOs Global variables mapping to hardware Access to variables of another PLC Modbus server setup BACnet PICS BACnet Server setup SSCP serial server settings OPC server Variable transformation, configuration of analogue inputs History, saving data in a database Alarm overview Debugging Licensing of Mervis PLC Runtime Break points Break points window Exceptions Manual mode Properties of hardware platforms System status PLC resource usage Variables backup Communication protocols description BACnet Protocol Driver SSCP Protocol Driver SoftPLC Link Protocol Driver Modbus protocol driver M-Bus protocol driver IEC 62056-21 protocol driver K-Bus protocol driver Jablotron100 (JA-121T) Protocol Driver New Project New Project Variable definition Autogen - Automatic mapping of variables FUPLA editor ST Editor Variable browser Charts Port Monitor Results Output Description of HMI Editor Description of HMI Editor Work in Simple mode Work in Full mode User policy HMI text editor objects Definition of LCD menu for PLC Terminal text menu definition HMI graphical objects Terminal graphic menu definition Creating styles Web server Service web Controller as external webserver Merbon Visual Software Common Elements Identifiers Keywords White Space Comments Literals Variables Constants Data Types Elementary Data Types (BOOL, INT, REAL, STRING, etc.) Generic Data Types Derived (user) Data Types Implicit Conversions For Elementary Types Inference Rules For Overloaded Functions Selection Object Oriented Programming (OOP) Pointer data type Reference data type Namespace Program Organization Unit (POU) Functions Standard Functions Function Blocks Standard Function Blocks Program ST language (Structured Text) ST Editor ST language commands ST language operators FUPLA language (FUnction PLAn) FUPLA Editor FUPLA Wires Visibility Of Inputs And Outputs At A Function Block Libraries Basic Analogue Boxes Composition / Decomposition Bit composition Bit composition, 8 bits Bit decomposition Bit decomposition, 8 bits Integer Composition Integer decomposition Controllers Direct Acting (cooling) On/Off controller - cooling P controller - Cooling PI controller - Cooling PID controller Reverse Acting (heating) On/Off controller - heating P controller - Heating PI Controller - Heating PID controller - heating Helpers Helper: Multi In Bool 8 Helper: Multi In Lint Helper: Multi In Real Helper: Multi Out Bool Helper: Multi Out Bool 8 Helper: Multi Out Lint Helper: Multi Out Real Mathematics Compare Functions EQ GE GT LE LT NE Logarithm / Exponential Functions EXP EXP10 EXP2 EXPT LN LOG SQRT Specials ISINFINITY ISNAN ISNEGATIVEINFINITY ISPOSITIVEINFINITY Time ADD_DT_TIME ADD_LDT_LTIME ADD_TOD_TIME ADD_LTOD_LTIME CONCAT_DATE_TOD DIVTIME MULTIME SUB_DATE_DATE SUB_DT_DT SUB_DT_TIME SUB_TOD_TIME SUB_TOD_TOD Trigonometric Functions ACOS ACOSH ASIN ASINH ATAN ATANH COS COSH SIN SINH TAN TANH ABS ADD AVG CEIL DIV FLOOR MAX MIN MOD MUL Smart Average SUB TRUNC TRUNC_TO_LINT Sources Sine wave generator Saw signal generator Specials Analogue incremental counter Analogue (real) memory Shift register Integer (lint) memory Integer shift register Integrator RAND Switches Analogue demultiplexer Integer demultiplexer MUX SEL Time Blocks Conversions COMPOSEDATETIME Convert to local time Convert to UTC time DATETOTALDAYS DATETOTALHOURS DATETOTALMILLISECONDS DATETOTALMINUTES DATETOTALSECONDS DECOMPOSEDATE DECOMPOSETIME Time conversion TIMETOTALDAYS TIMETOTALHOURS TIMETOTALMILLISECONDS TIMETOTALMINUTES TIMETOTALSECONDS GETDELTATIME GETDELTATIME4 Time shift summer/winter time GETEVALTIME GETEVALTIME4 GETLOCALTIME Time zone offset GETUTCTIME PC (PLC) Time Conversion of Time/Date to seconds Conversion of Seconds to Time/Date Time Dependent Filter Pulse width modulation signal Ramp with a constant slope Ramp with a constant time of change Transfer Function LIMIT Limits Linear interpolation Two-point function Four-point function Type Casts BCD_TO_UDINT BCD_TO_UINT BCD_TO_ULINT BCD_TO_USINT DT_TO_DATE DATE_TO_LDATE DATE_TO_DT DATE_TO_LDT DATE_TO_LTOD DATE_TO_TOD DT_TO_LDT DT_TO_LTOD DT_TO_TOD LDATE_TO_DATE LDATE_TO_DT LDT_TO_DATE LDT_TO_DT LDT_TO_LDATE LDT_TO_TOD LTIME_TO_TIME LTOD_TO_DT LTOD_TO_LDT LTOD_TO_TOD TO_BCD_BOOL TIME_TO_LTIME TO_BCD_BYTE TO_BCD_DWORD TO_BCD_LWORD TO_BCD_WORD TO_BYTE TO_DINT TO_DWORD TO_INT TO_LINT TO_LREAL TO_LWORD TO_REAL TO_SINT TO_STRING TO_UDINT TO_ULINT TO_USINT TO_WORD TOD_TO_LTOD Basic Digital Boxes Counters Down CTD_DINT CTD CTD_LINT CTD_UDINT CTD_ULINT Up CTU_DINT CTU CTU_LINT CTU_UDINT CTU_ULINT UpDown CTUD_DINT CTUD ctud_lint CTUD_UDINT CTUD_ULINT Counter Logical Operations AND NEG NOT OR ROL ROR SHL SHR XOR Sources Pulse generator Specials Extended alarm memory Extended alarm memory Boolean memory F_TRIG Flip-flop Latch flip-flop Alarm memory R_TRIG RS Single alarm memory Single alarm memory with delay Single alarm memory with delay SR Toggle Switches Digital demultiplexer Time Dependent Digital filter Monostable Flip-Flop Monostable Flip-Flop Non Reset TP Switch-off delay TOF Switch-on delay TON Switch-on/off delay Type Casts TO_BOOL Basic String Boxes BYTES_TO_STRING CONCAT DELETE INSERT Find LEFT LEN LINT_TO_STRING LREAL_TO_STRING MID REPLACE RIGHT STRING_TO_BYTES TO_STRING Communications Emails Send mail - ST Send e-mail - FUPLA Sending e-mails – ST – from more accounts Input / Output Functions Port closing Port status Port opening Reading data from a port Writing data to a port SMS Receive SMS Sending SMS - ST Send SMS - FUPLA HVAC Boiler Shifts Bit rotation Others Load shedding (E-Max) Heat / Cool recovery Heating curve Minimum and maximum controller Operating hours counter Power meter Pump switch Average power meter Physics Dew point calculation Enthalpy Solar calculator - Astronomical clock Time Programs Time scheduler, bool Time scheduler bool, basic Time scheduler, integer Time scheduler integer, basic Time scheduler, real Time scheduler real, basic Valve Controls Three-point control with feedback Three-point control Three-point P controller System Function Get Exception Error Code Acquiring of starting parameters of the program Mutex Lock Mutex Unlock Resume Normal Task System time setting Controlled stop of runtime Lib.Jablotron SectionFlags SectionFlagsHolder Creating a new library Creating user library Library prototypes New Solution New Solution in Simple mode Programming Languages Access To Inputs/Outputs Of Inner Blocks Initial Values Domat devices © Energocentrum Plus, s.r.o. 2017 - 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