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S-DIAS STEPPER MOTOR OUTPUT STAGE

ST 151

02.12.2019

Page 25

7

Description of Functions

7.1

Stepper Motor Output Stage Operating Modes

7.1.1

Full Step Mode

In full step mode, Current is applied to the winding as shown below. The motor rotates in full
steps only. This means that in one turn the rated number of steps is taken.

7.1.2

Half Step Mode

In  half  step  mode,  Current  is  applied  to  the  winding  as  shown  below.  Between  each  full
step, an intermediate step is taken. The resolution per turn is thereby doubled.
In half step mode, a current increase can be activated by the software to reach 95% of  the
full step torque.

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Содержание ST 151

Страница 1: ...ST 151 S DIAS Stepper Motor Output Stage Date of creation 23 10 2017 Version date 02 12 2019 Article number 20 014 151 E...

Страница 2: ...t of this work may be reproduced edited using an electronic system duplicated or dis tributed in any form print photocopy microfilm or in any other process without the express permission We reserve th...

Страница 3: ...with a phase current up to 5 A In the standard step frequency mode the operating modes half step full step and micro step up to 64x is supported The integrated brake chopper provides the connection fo...

Страница 4: ...mity Declaration 11 2 3 Safety Relevant Parameters 11 3 Technical Data 12 3 1 Stepper Motor Output Specifications 12 3 2 Brake Chopper Specifications 13 3 3 Incremental Encoder Input Specifications 13...

Страница 5: ...pper Motor Current Regulator 27 7 3 Incremental Encoder 29 7 3 1 Signal Process Count UP 29 7 3 2 Signal Process Count DOWN 29 7 3 3 Signal Process Reference Pulse Zero Position 29 7 3 4 Latch Functio...

Страница 6: ...ST 151 S DIAS STEPPER MOTOR OUTPUT STAGE Page 4 02 12 2019 9 4 Performance Level e Category 2 or SIL 2 Safety SPS 41 10 Mounting 43 11 Disposal 44...

Страница 7: ...NGER DANGER Identifies an immediate danger with high risk which can lead to immediate death or serious injury if not avoided Indique un danger direct haut risque d un d c s imm diat ou des blessures g...

Страница 8: ...ng Avertissement d une surface chaude Danger for ESD sensitive components Les signes de danger pour les composants sensibles aux d charges lectrostatiques This symbol identifies important or additiona...

Страница 9: ...entation technique aux secteurs de la vente et ou de la location du produit Acceptance of the Safe ty Guidelines Before handling the product belonging to this documentation the operating instructions...

Страница 10: ...nce and decommissioning of control and automa tion technology products in general as well as safety related products especially can only be performed by qualified person nel Qualified personnel in thi...

Страница 11: ...y module outside of the technical data described in this handbook Utilisation pr vue Les modules de s curit sont con us pour une utilisation dans les applications sollicitant un niveau de s curit et r...

Страница 12: ...fety modules the documentation is complete and in readable condi tion and available at the site of operation Obligation de diligence L utilisateur doit s assurer que les modules de s curit ne sont uti...

Страница 13: ...hine guideline 2014 30 EU Electromagnetic Compatibility EMC guideline 2011 65 EU Restricted use of certain hazardous substances in electrical and electronic equipment RoHS Guideline The EU Conformity...

Страница 14: ...is shut down through the hardware Temperature measurement 0 125 C with temperature warning at 103 C with temperature warning at 108 C 1 In the operation modes half and micro step the current amplitud...

Страница 15: ...ith regen braking The recommended regen resistor is available at SIGMATEK under the article number 20 014 061 Z1 Attention Hot Surface Note that the brake chopper heats up considerably during operatio...

Страница 16: ...irements of Category 4 Performance Level e according to EN ISO 13849 1 and SILCL 3 according to 62061 Safety function STO according to EN61800 5 2 section 4 2 2 2 The motor is not supplied with energy...

Страница 17: ...onnected in parallel to the motor supply termi nals As a reference value for the required capacitance approximately 2000 F per Ampere supply current can be assumed To achieve optimal EMC ratio it is r...

Страница 18: ...ring operation Note on S DIAS Supply If this S DIAS module is connected to an S DIAS supply module with several S DIAS modules the total current of the modules used must be determined and checked The...

Страница 19: ...ing conditions Pollution degree 2 EMC resistance in accordance with 61000 6 7 2015 Generic standards Immunity re quirements for equipment intended to perform functions in safety related systems functi...

Страница 20: ...ST 151 S DIAS STEPPER MOTOR OUTPUT STAGE Page 18 02 12 2019 4 Mechanical Dimensions...

Страница 21: ...S DIAS STEPPER MOTOR OUTPUT STAGE ST 151 02 12 2019 Page 19 5 Connector Layout The motor power connector X2 cannot be inserted or removed during operation...

Страница 22: ...ntrol Brake chopper yellow ON brake chopper active OFF brake chopper inactive Motor supply green ON motor supply available motor active BLINKS motor supply available motor inactive OFF motor supply no...

Страница 23: ...ength sleeve length 10 mm Mating direction parallel to the conductor axis or circuit board Conductor cross section rigid 0 2 1 5 mm2 Conductor cross section flexible 0 2 1 5 mm2 Conductor cross sectio...

Страница 24: ...TPUT STAGE Page 22 02 12 2019 5 3 Label Field Manufacturer Weidm ller Type MF 10 5 CABUR MC NE WS Article number Weidm ller 1854510000 Compatible printer Weidm ller Type Printjet Advanced 230V Article...

Страница 25: ...S DIAS STEPPER MOTOR OUTPUT STAGE ST 151 02 12 2019 Page 23 6 Wiring 6 1 Wiring Example...

Страница 26: ...sible For the motor wiring a shielded cable is required The shield must be placed as close as possible to the module The shielding must be connected to a shielding bus The ground bus should be connect...

Страница 27: ...as shown below The motor rotates in full steps only This means that in one turn the rated number of steps is taken 7 1 2 Half Step Mode In half step mode Current is applied to the winding as shown be...

Страница 28: ...26 02 12 2019 7 1 3 Micro Step Mode In micro step mode a nearly sine wave formed current is applied to the individual windings With the ST 151 the resolution of the sine oscillation is 256 steps 64 m...

Страница 29: ...TRIP is reached Afterwards the current reduction process decay is started The current fall time in the motor windings is affected by the decay mode In slow decay mode the motor windings are shorted ov...

Страница 30: ...and whether FastDecayTime TFD is reduced increased or maintained The ChopperOnTimeMin maximum FastDecayTime and maximum FastDecayTimeFallingStep for negative current value jumps can be configured via...

Страница 31: ...S DIAS STEPPER MOTOR OUTPUT STAGE ST 151 02 12 2019 Page 29 7 3 Incremental Encoder 7 3 1 Signal Process Count UP 7 3 2 Signal Process Count DOWN 7 3 3 Signal Process Reference Pulse Zero Position...

Страница 32: ...tch Function This function is primarily used for the reference motion The incremental encoder data and frequency counter values can be stored latched in a selected input at the time of an event The ev...

Страница 33: ...s and facilities in com pliance with the strict guidelines and standards of safety technology Installation montage programmation mise en service l exploitation l entretien et mise hors service de prod...

Страница 34: ...s are visibly emphasized by symbols Respectez galement les avertissements des autres sections de ces in structions Ces instructions sont mises en vidence par des symboles Only trained specialists are...

Страница 35: ...utput stage has two safe inputs ENABLE 1 and ENABLE 2 For the 24 V supply only PELV SELV can be used 8 2 Function The safety functions in the stepper motor output stage are controlled over two digital...

Страница 36: ...s must be performed at the following times After installation In regular intervals or at least once a year If the function test results in an invalid machine status the error must be found and correct...

Страница 37: ...lied with and applied in order to fulfill the requirements of the category used 9 1 Performance Level e Category 4 or SIL 3 Safety SPS To meet the requirements of category 4 performance Level e for EN...

Страница 38: ...ST 151 S DIAS STEPPER MOTOR OUTPUT STAGE Page 36 02 12 2019...

Страница 39: ...3 or SIL 3 Safety SPS To meet the requirements of safety category 3 performance level e for EN ISO 13849 1 and SIL 3 according to EN 62061 an error proof output of a safety PLC must be used The reaso...

Страница 40: ...ST 151 S DIAS STEPPER MOTOR OUTPUT STAGE Page 38 02 12 2019...

Страница 41: ...onal To meet the requirements of safety category 4 performance level e for EN ISO 13849 1 and SIL 3 according to EN 62061 the placement of the lines must comply with EN ISO 13849 2 table D 4 separate...

Страница 42: ...ST 151 S DIAS STEPPER MOTOR OUTPUT STAGE Page 40 02 12 2019...

Страница 43: ...R OUTPUT STAGE ST 151 02 12 2019 Page 41 9 4 Performance Level e Category 2 or SIL 2 Safety SPS This involves 1 channel wiring whereby the Enable inputs are tested separately Here no cross circuit det...

Страница 44: ...ST 151 S DIAS STEPPER MOTOR OUTPUT STAGE Page 42 02 12 2019...

Страница 45: ...ck wall of the control cabinet The individual S DIAS modules are mounted on the DIN rail as a block and secured with latches The modules must be mounted horizontally module label up with sufficient cl...

Страница 46: ...Recommended minimum distances of the S DIAS modules to the surrounding components or control cabinet wall a b c distances in mm inches 11 Disposal For the disposal of the product the respective guidel...

Страница 47: ...Expansion and Edit 18 06 2018 7 1 6 Electrical Re quirements Notes updated 02 04 2019 18 17 all 4 3 Safety Relevant Parameters 3 8 Environmental Conditions Correction of the safety relevant parameter...

Страница 48: ...ST 151 S DIAS STEPPER MOTOR OUTPUT STAGE Page 46 02 12 2019...

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