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PCD2.H31x

Summary of software elements

26/762 E2

(2H3-AA-E.DOC)



SAIA-Burgess Electronics Ltd.

Page A-11

RdActPos

Instruction:

Read Actual Position

[05]

Function description:

This instruction is used to read the actual position of the system. It should
be called whenever position has to be read.

Description of input and output elements concerned:

Par.

Designation/function

Type

Format

Value

Comment

= 1

Module number

1 - 16

= 2

Instruction: RdActPos

= 3

PCD register for the
actual Position

integer

31 bit

-2

.. +(2

- 1)

Exec

Function Block

Index modified: no

Processing time: 2.7 ms

= 2

= 1

RdActPos

Module number

= 3

Содержание PCD2.H310

Страница 1: ...SAIA PCD Process Control Devices PCD2 H31x Motion control modules for servo drives English edition 26 762 E2...

Страница 2: ...gate Peterborough PE1 5BQ UK 01733 89 44 89 Fax 01733 89 44 88 Portugal INFOCONTROL Electronica e Automatismo LDA Praceta Ces rio Verde No 10 s cv Massam P 2745 Queluz 21 430 08 24 Fax 21 430 08 04 De...

Страница 3: ...rgess Electronics Ltd SAIA Process Control Devices Motion control modules for servo drives PCD2 H31x SAIA Burgess Electronics Ltd 1999 All rights reserved Edition 26 762 E2 11 99 Subject to technical...

Страница 4: ...SAIA Burgess Electronics Ltd Updates Manual PCD2 H31x Motion control modules for servo drives Edition E2 Date Chapter Page Description 12 05 2000 Appendix A A 36 divers corrections...

Страница 5: ...tions 2 3 2 3 Function specific data 2 4 3 Presentation 4 Terminals and meaning of LEDs 5 Function description 5 1 Operating modes 5 1 5 2 Generator for the velocity profile 5 2 5 3 PID controller 5 4...

Страница 6: ...ring homing 8 3 9 Installation and commissioning 9 1 Introduction 9 1 9 2 Installation and wiring 9 2 9 3 Commissioning drive without motion control module 9 3 9 4 Drive with motion control module 9 4...

Страница 7: ...e Step Forwards A 20 SgStpBak Single Step Backwards A 21 LdDestAbs Load Destination Absolute A 22 LdDestRel Load Destination Relative A 23 LdVelAbs Load Velocity Absolute A 24 LdVelRel Load Velocity R...

Страница 8: ...Contents PCD2 H31x Page 4 SAIA Burgess Electronics Ltd 2H3 00 E DOC 26 762 E2 Notes...

Страница 9: ...ained in these manuals regarding assembly wiring programming and commissioning Doing this will enable you to join the large group of enthusiastic SAIA PCD users Summary Hardware PCD4 Hardware PCD6 PCD...

Страница 10: ...his share to the reliable operation of an installation He is therefore responsible for ensuring that controller use conforms to the technical data and that no excessive stres ses are placed on it e g...

Страница 11: ...able DC or AC motor having a power stage and incremental shaft encoder for the registration of position and speed PCD1 2 BUS PROCESSOR PCD1 2 BUS INTERFACE M POWER AMPLIFIER INCREM INPUTS DIGITAL INPU...

Страница 12: ...operated together with all base units The motion control module contains a single chip processor that inde pendently directs and PID controls every movement according to pa rameters supplied by the u...

Страница 13: ...even during motion Analogue 10V output with 12 bits inc sign bit for triggering the motor power stage Digital input for reference switch with the H310 Encoder signal inputs of 24 VDC source operation...

Страница 14: ...AIA Burgess Electronics Ltd 2H3 01 E DOC 26 762 E2 1 4 Typical areas of use Handling robots Automatic placement and assembly machines Automatic palletizers Packing machines Sheet metal working machine...

Страница 15: ...ool from version V2 0 70 either in IL Instruction List or graphically FUPLA Initialization instruction INIT FB When it is called 11 parameters are given with it See section 7 1 2 and appendix A pages...

Страница 16: ...red PID factors ac celeration velocity etc after which a preset destination position is ap proached in a controlled manner In speed control mode the desired velocity is attained with a preset rate of...

Страница 17: ...t commissioning software is available in the form of a FUPLA program This tool offers a simple method whereby all tests and adjust ments required during commissioning can be carried out or checked on...

Страница 18: ...Introduction PCD2 H31x Page 1 8 SAIA Burgess Electronics Ltd 2H3 01 E DOC 26 762 E2 Notes...

Страница 19: ...tivalent inputs according to RS 422 Hysteresis max 200 mV Line termination resistance 150 Analogue output for the PCD2 H310 311 modules Analogue controller output 12 bit resolution with sign bit Short...

Страница 20: ...supply H311 LED Power 15 V supply Querying from software Input Power addr 08 Enables software monitoring of supplies Input Ref addr 11 Enables the logic status of the reference switch to be queried H...

Страница 21: ...he 5V is 1600 mA for a PCD2 or 750 mA for a PCD1 Users of PCD2 H310 and or PCD2 H311 modules are urged to check the overall current consumption of all modules in a PCD2 1 and in any C100 or C150 expan...

Страница 22: ...y and accelera tion numerical range 230 Position Resolution selectable depending on machine factor Velocity Resolution selectable depending on machine factor Acceleration Resolution selectable dependi...

Страница 23: ...pply LEDs Terminals and are the external supply terminals Vext Ref is the digital input for the reference switch Out is the analogue controller output A B IN are the 3 encoder signals nc terminals are...

Страница 24: ...uts such as limit switches the PCD2 H311 module s reference switch the driver s ENABLE must be monitored or controlled with a standard I O module e g PCD2 B100 PCD2 E110 E111 or PCD2 A410 A A B B IN I...

Страница 25: ...0 9 numbering right to left Inputs Number 4 Terminal 0 A Encoder signal A Terminal 1 nc not used Terminal 2 B Encoder signal B Terminal 3 nc not used Terminal 4 IN Encoder signal IN Terminal 5 nc not...

Страница 26: ...umbering right to left Inputs Number 6 Terminal 0 A Encoder signal A Terminal 1 A Encoder signal A Terminal 2 B Encoder signal B Terminal 3 B Encoder signal B Terminal 4 IN Encoder signal IN Terminal...

Страница 27: ...resents the supply of a connected encoder This LED is on when the 5V are OK no short circuit Applies to PCD2 H311 only LED Power shows the presence of 15V This LED is on when both 15V supplies are OK...

Страница 28: ...Terminals PCD2 H31x Page 4 4 SAIA Burgess Electronics Ltd 2H3 04 E DOC 26 762 E2 Notes...

Страница 29: ...hed in a controlled manner During the motion velocity PID fac tors and destination position can be changed Speed control operation Initiation with instructions GoForw or GoBackw Pattern of instruction...

Страница 30: ...ition can be changed at any point along the mo tion and the controller will accelerate or brake accordingly at the defined rate of acceleration Acceleration and braking ramps are symmetrical In speed...

Страница 31: ...motor fails to reach the desired speed e g due to a blocked rotor the difference between the destination and actual positions is very large This generates a position error message which can trigger a...

Страница 32: ...ling for the differential portion kp Proportional factor ki Integral factor kd Differential factor User programmable parameters Control factors kp ki kd Differential sampling time Integration limit IL...

Страница 33: ...IN Status diagram of signals A B IN at position decoder Inputs A B Whenever signals A or B change status 0 1 and 1 0 the internal position register is incremented or decremented by 1 In this way the q...

Страница 34: ...ero position Modules for the connection of 5V encoder signals The PCD2 H311 module is used Shielded cable must be used for connec tion to the 5V encoder max cable length 20m min line cross section 0 2...

Страница 35: ...PCD2 H31x Function description 26 762 E2 2H3 05 E DOC SAIA Burgess Electronics Ltd Page 5 7 Input wiring diagrams and connections PCD2 H310 PCD2 H311 5V 5V A B IN A B IN 5V A B A IN A B B IN IN...

Страница 36: ...age 5 8 SAIA Burgess Electronics Ltd 2H3 05 E DOC 26 762 E2 5 5 D A converter Both PCD2 H310 and H311 modules have an analogue output for the motor s controller output A 12 bit D A converter has been...

Страница 37: ...eter 5 Vmax The search direction is defined in parame ter 2 If the reference switch is not found and the axis meets a limit switch the search direction is inverted 2 The digital input to which the ref...

Страница 38: ...he error flag fHomeErr_x x module no is set and the Home FB is exited When the Home FB has finished successfully or broken off by an error the fEndHome_x flag is set automatically Since the Home FB is...

Страница 39: ...D2 E110 Motion model with DC motor spindle and incremental shaft encoder DC Motor with gears approx 500 rev min at 10 VDC Spindle gradient 1 mm revolution Incremental shaft encoder 1000 signals per re...

Страница 40: ...le is to demonstrate the principle and possible user program structures Above all note the be ginning of the program with its assembler directives include and group The meaning and definition of indiv...

Страница 41: ...e 5 Derivative term sampling interval 500 Position tolerance 0 Behaviour in case of position error R 1000 Mechanical factor register R 1001 Initial velocity register R 1002 Initial acceleration regist...

Страница 42: ...loop LD R 100 Target Position 0 Absolute value CFB Exec Executable FB K 1 Module number LdDestAbs Command Load Absolute Destination R 100 Absolute Destination register CFB Exec Executable FB K 1 Modu...

Страница 43: ...n is loaded into PCD register R 100 This value is transferred to the module with LdDestAbs The StartMot com mand starts the motion 20 mm traverse In a program loop the position is continuously read wi...

Страница 44: ...onics Ltd 2H3 06 E DOC 26 762 E2 6 1 2 Entry level example in GRAFTEC INTRO 2 SFC Same example as under section 6 1 1 but in a proper GRAFTEC struc ture without any program jumps or wait loops Individ...

Страница 45: ...factor regulator 0 Derivative factor regulator 4000 Integrative limit value 5 Derivative term sampling interval 500 Position tolerance 0 Behaviour in case of position error R 1000 Mechanical factor r...

Страница 46: ...dule number LdDestAbs Command Load Absolute Destination R 100 Absolute Destination register CFB Exec Executable FB K 1 Module number StartMot Command Start motion rNotUsed Dummy register EST 14 ST 15...

Страница 47: ...ter R 0 Value of Status Register STH fOnDest_1 Position reached ETR 52 TR 53 Pause 1 elapsed I 13 Pause 1 O 14 Move backwards stl t 0 ETR 53 TR 54 Move backwards ended I 14 Move backwards O 15 Pause 2...

Страница 48: ...destination position is loaded via PCD register R 100 into the H310 module and motion is started In TR 52 and TR 54 the end of a motion is queried from software so that the program can be released to...

Страница 49: ...ine in the debugger By activating I 1 motion can also be stopped abruptly I 2 From the resting position the carriage can be moved forward with the chosen parameters for as long as I 2 remains switched...

Страница 50: ...ve limit value 5 Derivative term sampling interval 500 Position tolerance 0 Behaviour in case of position error R 1000 Mechanical factor register R 1001 Initial velocity register R 1002 Initial accele...

Страница 51: ...PCD2 H31x Quick start 26 762 E2 2H3 06 E DOC SAIA Burgess Electronics Ltd Page 6 13 6 2 Entry with programming in FUPLA In preparation...

Страница 52: ...Quick start PCD2 H31x Page 6 14 SAIA Burgess Electronics Ltd 2H3 06 E DOC 26 762 E2 Notes...

Страница 53: ...G3 programming tool use FBs for the PCD4 H3 module Programming takes place either in IL Instruction List with FBs Func tion Blocks or in FUPLA with FBoxen in preparation FBs are avail able on diskette...

Страница 54: ...s FBs for use with the earlier PG3 see Readme FBoxes for FUPLA are not yet available Installation of package for the PG4 The easiest method of installation is with the PG4 Setup Extra Files pro gram I...

Страница 55: ...QU 0 Base address of module 13 BA_14 EQU 0 Base address of module 14 BA_15 EQU 0 Base address of module 15 BA_16 EQU 0 Base address of module 16 endgroup The number of PCD2 H31x modules should be spec...

Страница 56: ...EST H3 D2H310_b mba move 01 sfc D2H310_b hlp The user program for the H310 section has the following presentation include D2H310_b equ group H310 XOB 16 PCD Code ecob endgroup If the program is writte...

Страница 57: ...nce 0 Par 8 Behaviour under position error r 1000 Par 9 Mechanical factor r 1001 Par 10 Velocity r 1002 Par 11 Acceleration Registers for parameters 9 10 and 11 should be loaded with the correct value...

Страница 58: ...LdDestRel Load Destination Relative A 23 18 LdVelAbs Load Velocity Absolute A 24 19 LdVelRel Load Velocity Relative A 25 20 LdAccAbs Load Acceleration Absolute A 26 21 LdAccRel Load Acceleration Rela...

Страница 59: ...user Element Description fHomeErr_x When error with Home element H Timeout home position not found fLS1_x H on arrival at limit switch 1 fLS2_x H on arrival at limit switch 2 fEndHome_x Always H exce...

Страница 60: ...2 D2H310_B H310 Home FB 2 D2H310_B H310 Init FB 0 D2H310_B 2 speed H310 rDiag R 3500 D2H310_B H310 Reg_base R 3500 3524 D2H310_B 2 speed H310 rIniVel_1 R 3524 D2H310_B H310 rMecFac_1 R 3522 D2H310_B H...

Страница 61: ...PCD2 H31x Programming 26 762 E2 2H3 07 E DOC SAIA Burgess Electronics Ltd Page 7 9 7 2 Programming in FUPLA with FBoxes in preparation...

Страница 62: ...Programming PCD2 H31x Page 7 10 SAIA Burgess Electronics Ltd 2H3 07 E DOC 26 762 E2 7 3 Programming in GRAFTEC with FBoxes in preparation...

Страница 63: ...ark No H310 used NbrModules 0 in D2H310_B MBA If the number of modules NbrModules is 16 no code is assembled and the following error message is written in the Make window Error more than 16 Modules H3...

Страница 64: ...he fPar_Err flag is not reset within FBs This should take place in XOB 16 or the Init step The error code is made up as follows rDiag bit 31 24 23 16 15 8 7 0 Reserve FB no Par no Mod no Init FB 1 Exe...

Страница 65: ...the diagnostic register rDiag is additionally loaded with code 6 as the parameter number the timeout is parameter 6 The fHomeErr_x flag is defined for each module _x is the module no and is reset at t...

Страница 66: ...Error handling and diagnosis PCD2 H31x Page 8 4 SAIA Burgess Electronics Ltd 2H3 08 E DOC 26 762 E2 Notes...

Страница 67: ...or for converting electrical into mechanical energy A position transmitter in the form of an incremental shaft encoder A mechanical drive unit Selection of servo amplifier and servomotor Regardless of...

Страница 68: ...indispensable The PCD1 2 system should be connected to the GND terminal 24 VDC with the largest possible cross section on the earth rail of the control box It should further be ensured that all earth...

Страница 69: ...ary Release connection of the H3 module s controller output Out 10V to the power stage at terminals 6 and minus of the H3 module The PCD1 2 and H3 module have been switched off If this is not possible...

Страница 70: ...Behaviour 24 VDC yellow Supply voltage present must be on Run yellow CPU in Run not on as no program has been loaded Error yellow should not be on on the PCD2 Meaning LED Behaviour 24 VDC yellow Supp...

Страница 71: ...ises the following steps Installation of the PCD9 H31E programming package according to section 7 1 1 Opening a new project Copying in the D2H310_B MBA file Adjusting the D2H310_B MBA file with the nu...

Страница 72: ...page A 1 2 Recommended start values Proportional factor Parameter 2 10 Integral factor Parameter 3 0 Differential factor Parameter 4 0 Integration limit Parameter 5 30000 Sample time D portion Paramet...

Страница 73: ...PCD register provided using the same unit of measurement as the machine factor Recommendation 0 05 m s 50 mm s or 50000 m s Ensure that the chosen drive can actually achieve the velocity of its pa ra...

Страница 74: ...ree with definitions in the D2H310_B MBA file For the following tests a display of actual position is viewed Checking the direction 1 Rotate drive shaft in a positive direction actual position must in...

Страница 75: ...mands from the commissioning program 1 Observe display of index position register any value is dis played 2 Execute the instruction SetIdxPos When the next index impulse is captured the actual positio...

Страница 76: ...truction The H3 module regulator is switched on and the axis is held in its position by the regulator 2 Load a destination position that is located within the allowed trav elling range and start motio...

Страница 77: ...and stopped the drive The motor cannot follow the motion de fined Remedy Correct possible mechanical problems Adjust velocity and acceleration Increase max value for position error The axis runs jerki...

Страница 78: ...his sets the integral factor and should not be changed further for the time being If excessive overshoot is noticed when approaching the destination posi tion this may be due to the following The chos...

Страница 79: ...factor Set up rule for sample time instruction LdSampInt in the D portion For operation at low velocities opt for a rather large sample time Experience shows that sample time values generally lie bet...

Страница 80: ...ndency to overshoot but equally reduces the permanent control deviation and increases controller hard ness Raising the ki factor heightens the tendency to overshoot but simultane ously ensures faster...

Страница 81: ...Initial absolute speed LD R 1002 10000 Initial absolute acceleration CFB Init Initialization FB K 1 Module number 10 Proportional factor regulator 0 Integrative factor regulator 0 Derivative factor re...

Страница 82: ...n reached jr l pos1 if no wait ld t 0 50 pause1 sth t 0 jr h pause1 LD R 100 Target Position 0 Absolute value CFB Exec Executable FB K 1 Module number LdDestAbs Command Load Absolute Destination R 100...

Страница 83: ...ple path program enabling the online modification of all PID parameters for the purpose of optimizing control behaviour and all path parameters plus a final FBox that allows the creation and online mo...

Страница 84: ...art for ever The Waiting time parameter can be used to define a pause after each sequence in the path program It is also possible to travel forwards or backwards as desired Go forward or Go backward a...

Страница 85: ...viously described FBox for simple back and forth travel by the carriage is shown below in full size As before PID parameters are set individually transferred separately and then activated together wit...

Страница 86: ...rgess Electronics Ltd 2H3 10 E DOC 26 762 E2 Adjust window of the initialization FBox Parameters are only transferred after a download The parameters of this adjust window therefore should be set befo...

Страница 87: ...t a single complete sequence and Start for ever keeps the cycle of sequences moving until Stop or Motor Off interrupts it The Waiting time parameter can be used to define a pause after each sequence I...

Страница 88: ...ge 10 6 SAIA Burgess Electronics Ltd 2H3 10 E DOC 26 762 E2 The adjust window for the FBox with a 4 sequence cycle appears as fol lows The values entered serve only as an example but work well with th...

Страница 89: ...tinued For the best possible commissioning a storage oscilloscope to display the 10V control voltage should also be available as this is the only way of viewing controller behaviour under the various...

Страница 90: ...trol until the CPU s self diagnostic is completed This prevents the carriage from making any uncontrolled jump when the controller is switched on FBox H31 Library Organization FBox Must be located at...

Страница 91: ...l velocity IdX integer Index register Sta integer Status register Adjust window see page 10 3 FBox H31 Tuning Exp FBox with path program comprising any 4 sequences whose parameters can be set individu...

Страница 92: ...Commissioning tool PCD2 H31x Page 10 10 SAIA Burgess Electronics Ltd 2H3 10 E DOC 26 762 E2 Notes...

Страница 93: ...e does not proceed out of control during this power up phase Monitoring the position error See flag fPosErr_x Exceeding the permitted position error signals serious problems and should therefore alway...

Страница 94: ...setpoint input at the power section and to disconnect the main supply with a time delay of a few milliseconds However this disconnection can or must take place depends on the ma chine concerned and mu...

Страница 95: ...for automatic homing The hardware is based on workshop model V PCX 24 and consists of the slide with DC motor reference switch limit switches and final limit switches the servo amplifier with emergen...

Страница 96: ...ing directly following system power up the following motion sequence should be executed Homing Before presenting the overall user program homing should be looked at more closely The arrangement of swi...

Страница 97: ...out 30s I 64 Par 7 Reference input address Behaviour under various starting positions a Starting position normal carriage between Ref position and LS2 Behaviour as described above If the reference poi...

Страница 98: ...continuously until homing is complete The end of homing is sig nalled by the fEndHome_x flag Before calling the Home FB limit switches LS1 and LS2 which are wired to digital PCD inputs must be read i...

Страница 99: ...D R 1001 100000 Initial absolute speed LD R 1002 400000 Initial absolute acceleration CFB Init Initialization FB K 1 Module number 250 Proportional factor regulator 0 Integrative factor regulator 60 D...

Страница 100: ...n speed r 1011 max speed 50 timeout i 64 input reference switch EST 11 ST 12 I 51 Home ended I 57 Pause 2 elapsed O 53 Start OK EST 12 ST 13 Move forwards I 53 Start OK O 54 Move forwards ended LD R 1...

Страница 101: ...Mot Command Start motion rNotUsed Dummy register EST 15 ST 16 Pause 2 I 56 Move backwards ended O 57 Pause 2 elapsed ld t 0 50 EST 16 TR 50 I 10 Initialization O 11 Home stl t 0 ETR 50 TR 51 Home ende...

Страница 102: ...P R 90 Display register CFB Exec Executable FB K 1 Module number RdStatRg Command Read Status Register R 0 Value of Status Register STH fOnDest_1 Position reached ETR 54 TR 55 Pause 1 elapsed I 14 Pau...

Страница 103: ...these parameters were defined once in FB Init and left unchanged throughout the course of the program The only values that are modified are the relative or absolute positions for any car riage travel...

Страница 104: ...is reached for the purpose of user program control The correct change over of velocity is performed by the module itself not the user program In ST 13 and ST 16 the new slow velocity is defined and a...

Страница 105: ...eed LD R 1002 400000 Initial absolute acceleration CFB Init Initialization FB K 1 Module number 250 Proportional factor regulator 0 Integrative factor regulator 60 Derivative factor regulator 4000 Int...

Страница 106: ...bs Command Load Absolute Breakpoint R 101 Absolute Destination register CFB Exec Executable FB K 1 Module number LdVelAbs Command Load absolute Velocity R 102 Speed CFB Exec Executable FB K 1 Module n...

Страница 107: ...Abs Command Load Absolute Breakpoint R 101 Absolute Destination register CFB Exec Executable FB K 1 Module number LdVelAbs Command Load absolute Velocity R 102 Speed CFB Exec Executable FB K 1 Module...

Страница 108: ...e FB K 1 Module number RdActPos Command Read Actual Position R 90 Actual Position register DSP R 90 Display register CFB Exec Executable FB K 1 Module number RdStatRg Command Read Status Register R 0...

Страница 109: ...ter CFB Exec Executable FB K 1 Module number RdStatRg Command Read Status Register R 0 Value of Status Register STH fBrkPt_1 Breakpoint position reached ETR 55 TR 56 Move backwards ended I 16 Modify v...

Страница 110: ...Application examples PCD2 H31x Page 12 16 SAIA Burgess Electronics Ltd 2H3 12 E DOC 26 762 E2 Notes...

Страница 111: ...nt K parameters 9 to 11 as PCD register addresses absolute or symbolic and all other parameters should be specified as integer values Parameter 9 is the machine factor This contains the encoder parame...

Страница 112: ...limit Integer 0 32767 Limit on influence of I portion in system 6 Sample time of D factor Integer 0 255 Sample interval for D factor 7 Position tolerance Integer 0 32767 Maximum position error compare...

Страница 113: ...310 module has a Ref input The address of this input is the module base address 11 For an H310 module at base address 64 the Ref input is located at address I 75 The PCD2 H311 module has no Ref input...

Страница 114: ...e switch 0 backwards 1 forwards 3 Free travel direction from reference switch Integer 0 1 Defines the free travel direction away from the reference switch 0 backwards 1 forwards 4 Minimum velocity R I...

Страница 115: ...defined in the D2H310_B MBA file The FBs support max 16 PCD2 H31x modules per PCD system Individual instructions parameter 2 are dealt with on the following pages The parameters of an instruction e g...

Страница 116: ...te A 22 17 LdDestRel Load Destination Relative A 23 18 LdVelAbs Load Velocity Absolute A 24 19 LdVelRel Load Velocity Relative A 25 20 LdAccAbs Load Acceleration Absolute A 26 21 LdAccRel Load Acceler...

Страница 117: ...atRg enables all or some of the status bits to be reset The status byte is represented in the first 8 bits of the signal register These 8 bits are reset simultaneously with the status byte The StartMo...

Страница 118: ...s instruction is used to stop motion abruptly without braking ramp The instruction can be used both in position control and speed control modes Par Designation function Type Format Value Comment 1 Mod...

Страница 119: ...ruction can be used to stop motion using the normal braking ramp The instruction can be used both in position control and speed control modes Par Designation function Type Format Value Comment 1 Modul...

Страница 120: ...on This instruction is used to switch off the PID function that influences the motor The effect is the same as if the motor supply were removed Par Designation function Type Format Value Comment 1 Mod...

Страница 121: ...ctual position of the system It should be called whenever position has to be read Description of input and output elements concerned Par Designation function Type Format Value Comment 1 Module number...

Страница 122: ...integer part This means that at low velocities values obtained are not comparable with the result of the RdTargVel instruction which contains the fractional part If the machine factor is less than 1 l...

Страница 123: ...e PID con troller s I portion The instruction should be called whenever the integration sum has to be read Description of input and output elements concerned Par Designation function Type Format Value...

Страница 124: ...coder in dex impulse Reading the index register can be part of the error checking program routine The new index position minus the old one divided by the en coder resolution encoder division by 4 must...

Страница 125: ...excessive position error bit 8 Internal use only bit 7 Motor off bit 6 Breakpoint reached bit 5 Excessive position error bit 4 Wraparound occurred bit 3 Index pulse acquired bit 2 Trajectory complete...

Страница 126: ...ement Description of input and output elements concerned Par Designation function Type Format Value Comment 1 Module number K 1 16 2 Instruction RdTargPos 3 PCD register for target position R integer...

Страница 127: ...ould be called whenever the target velocity has to be read Description of input and output elements concerned Par Designation function Type Format Value Comment 1 Module number K 1 16 2 Instruction Rd...

Страница 128: ...he predefined velocity and acceleration but without destination position With this instruction speed control mode is also selected Description of input and output elements concerned Par Designation fu...

Страница 129: ...he predefined veloc ity and acceleration but without destination position With this instruc tion speed control mode is also selected Description of input and output elements concerned Par Designation...

Страница 130: ...used to switch forward a single step of the en coder resolution at the predefined velocity and acceleration Description of input and output elements concerned Par Designation function Type Format Val...

Страница 131: ...used to switch backward a single step of the en coder resolution at the predefined velocity and acceleration Description of input and output elements concerned Par Designation function Type Format Va...

Страница 132: ...n must follow to activate the function The absolute target position always refers to the zero position Description of input and output elements concerned Par Designation function Type Format Value Com...

Страница 133: ...must follow to activate the function The relative target position always refers to the actual position Description of input and output elements concerned Par Designation function Type Format Value Co...

Страница 134: ...instruction must follow to activate the function The absolute velocity always refers to the zero velocity Description of input and output elements concerned Par Designation function Type Format Value...

Страница 135: ...instruction must follow to activate the function The relative velocity always refers to the actual velocity Description of input and output elements concerned Par Designation function Type Format Valu...

Страница 136: ...ction must follow to activate the function The absolute acceleration always refers to the zero velocity or accelera tion Description of input and output elements concerned Par Designation function Typ...

Страница 137: ...nstruction must follow to activate the function The relative acceleration always refers to the actual acceleration Description of input and output elements concerned Par Designation function Type Form...

Страница 138: ...odify the proportional factor An ActRegFact instruction must follow to activate the function Description of input and output elements concerned Par Designation function Type Format Value Comment 1 Mod...

Страница 139: ...modify the integral factor An ActRegFact instruction must follow to activate the function Description of input and output elements concerned Par Designation function Type Format Value Comment 1 Modul...

Страница 140: ...odify the differential factor An ActRegFact instruction must follow to activate the function Description of input and output elements concerned Par Designation function Type Format Value Comment 1 Mod...

Страница 141: ...l for the D factor The differential factor works with the difference of error signal between two sampling signals For this reason 341 s is too small to have a real difference Experience shows that the...

Страница 142: ...modify the integration limit An ActRegFact instruction must follow to activate the function Description of input and output elements concerned Par Designation function Type Format Value Comment 1 Modu...

Страница 143: ...e used to activate simultaneously all factors of PID control It is also possible to activate one parameter alone Description of input and output elements concerned Par Designation function Type Format...

Страница 144: ...e breakpoint is reached the fBrkPt_x flag is set However this flag only becomes active after FB RdStatRg has been processed Description of input and output elements concerned Par Designation function...

Страница 145: ...e breakpoint is reached the fBrkPt_x flag is set However this flag only becomes active after FB RdStatRg has been processed Description of input and output elements concerned Par Designation function...

Страница 146: ...pulse observed 8 bit 2 Trajectory complete 4 bit 1 Internal use only 2 bit 0 Internal use only 1 255 To reset the whole status register 0 must be loaded in the register for parameter 3 Description of...

Страница 147: ...nto the module s index register The position is adopted when both encoder inputs A and B and index input IN are low The Home procedure uses this function to simplify definition of the Home function De...

Страница 148: ...ction can be used to set any position to zero That position then becomes the new Home position Description of input and output elements concerned Par Designation function Type Format Value Comment 1 M...

Страница 149: ...trol mode H position control mode bit 1 only effective in position control mode L backwards H forwards The standard option is position control mode Description of input and output elements concerned P...

Страница 150: ...there whether the motor should be stopped or whether only the fPosErr_x flag should be set Before the fPosErr_x flag can be evaluated FB RdStatRg must be processed as it deals with the procedure for...

Страница 151: ...PCD2 H31x Summary of all FBoxes 26 762 E2 2H3 AB E DOC SAIA Burgess Electronics Ltd Page B 1 Appendix B Summary of all FBoxes for programming in FUPLA In preparation...

Страница 152: ...Summary of all FBoxes PCD2 H31x Page B 2 SAIA Burgess Electronics Ltd 2H3 AB E DOC 26 762 E2 Notes...

Страница 153: ...nd back to SAIA Burgess Electronics Ltd Bahnhofstrasse 18 CH 3280 Murten Switzerland http www saia burgess com BA Electronic Controllers Manual PCD2 H31x If you have any suggestions concerning the SAI...

Страница 154: ...SAIA Burgess Electronics Ltd Your suggestions...

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Saia PCD2.H310, Руководство пользователя

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