Related Manuals for SIGMATEK SNC 021
Summary of Contents for SIGMATEK SNC 021
- Page 1 SNC 021 S-DIAS Safety Incremental Encoder Date of creation: 14.11.2017 Version date: 02.12.2019 Article number: 20-896-021-E...
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- Page 3 SNC 021 S-DIAS Safety SNC Incremental Encoder SNC 021 The S-DIAS Safety SNC incremental encoder module SNC 021 provides the values of two incremental encoders, the Safety CPU as well as the non- Safe CPU (standard PLC). The two-channel safety function "monitors" the increments in the incremental encoder interfaces and processes the so-called Safety core in two micro controllers with cross-communication.
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Page 4: Table Of Contents
SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER Contents Basic Safety Guidelines ............4 General Safety Information ............4 Further Safety Guidelines ............5 General Requirements ..............6 Conformity with EU Guidelines ..........11 Functional Safety Standards ............. 11 EU Conformity Declaration ............11 Safety-Relevant Parameters ............ - Page 5 S-DIAS SAFETY SNC INCREMENTAL ENCODER SNC 021 Wiring Example ................22 Note ....................23 RS422 Interface ..............23 Mounting ................24 Disposal ................. 25 10 Encoder Configuration ............26 11 Installing the Encoder ............28 12 Important Notes for Two-channel Application ....29 13 Supported Cycle Times ............
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Page 6: Basic Safety Guidelines
SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER Basic Safety Guidelines General Safety Information Non-compliance with the Safety guidelines can result in danger to personnel, which could then lead to serious injury or in worst cases, death. In less serious cases, systems and equipment can be damaged. -
Page 7: Further Safety Guidelines
S-DIAS SAFETY SNC INCREMENTAL ENCODER SNC 021 Further Safety Guidelines Warning, dangerous electrical voltage Avertissement d’une tension électrique dangereuse Hot surface warning Avertissement d’une surface chaude Danger for ESD-sensitive components This symbol identifies important additional information regarding the operation of the safety modules. -
Page 8: General Requirements
SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER General Requirements Technical This technical documentation is a component of this product. Documentation • This document must be accessible near the machine, since it contains important instructions. • The technical documentation should be included in the sale, rental or transfer of the product. - Page 9 Before handling the product to which this documentation Guidelines belongs, the operating instructions and safety guidelines must be read. SIGMATEK GmbH & Co KG accepts no liability for damages resulting from non-compliance with the Safety guidelines or applicable regulations. Acceptance of the Safety guidelines and the explanations in this...
- Page 10 SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER Qualified Personnel Installation, assembly, programming initial start-up, operation, maintenance and decommissioning of control and automation technology products in general, as well as safe products in particular, can only be performed by qualified personnel.
- Page 11 S-DIAS SAFETY SNC INCREMENTAL ENCODER SNC 021 Designated Use The Safety modules are designed for use in applications with a requirement of functional safety and meet the required conditions for Safe operation with the parameters specified in section 2. For your own safety and the safety of others, use Safety modules for their designated purpose only.
- Page 12 SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER Operator Due Diligence The operator must ensure that • the Safety modules are to be used for their designated purpose only. • the Safety modules are to be operated in error-free, fully functional condition only.
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Page 13: Conformity With Eu Guidelines
EN ISO 13849-1:2015 EN ISO 13849-2:2012 EU Conformity Declaration CE Declaration of Conformity The SNC 021 complies with European norms for programmable logic controls. • 2006/42/EG “Directive of the European Parliament and of the Council of 17 May 2006 on Machinery and Change to the Directive 95/16/EC”... -
Page 14: Safety-Relevant Parameters
SIL 3 according to EN 62061 The application for a specific PL, These safety parameters were calculated category or SIL-CL requires a risk for the SNC 021 when used with a analysis of the end-use application to incremental encoder. The safety determine whether two incremental parameters of the entire machine must encoders are sufficient. -
Page 15: Compatibility
S-DIAS SAFETY SNC INCREMENTAL ENCODER SNC 021 Compatibility Compatibility For compatibility of the S-DIAS Safety modules, see chapter "Compatibility of S-DIAS Safety Modules" in the system handbook. 02.12.2019 Page 13... -
Page 16: Technical Data
SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER Technical Data I-encoder Specifications Number of channels Encoder Incremental encoder with RS422 Interface with null position trace. Input frequency 0.75 MHz Counter frequency 3 MHz Signal analysis Encoder resolution maximum 16 bits Encoder power supply... - Page 17 The SNC 021 module can only be used in conjunction with an SCP 011/SCP 111 that has been configured as a master CPU. Le module SNC 021 ne peut être utilisé qu'en combinaison avec un module SCP 011/SCP 111 lequel a été configuré comme processeur maître.
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Page 18: Miscellaneous
SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER Miscellaneous Article number 20-896-021 Hardware version 2.x-3.x Standard Two-channel application: EN 62061SIL 3 or SIL CL 3 EN ISO 13849-1 PL e/Cat. 4 One-channel application: EN 62061 SIL 2 or SIL CL 2 EN ISO 13849-1 PL d/Cat. -
Page 19: Mechanical Dimensions
S-DIAS SAFETY SNC INCREMENTAL ENCODER SNC 021 Mechanical Dimensions 02.12.2019 Page 17... -
Page 20: Connector Layout
SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER Connector Layout The connections of the +24 V supply (X3: pin 1 and pin 2) or the GND supply (X3: pin 3 and pin 4) are internally bridged. To supply the module, only one connection to a +24 V pin (pin 1 or pin 2) and a GND pin (pin 3 or pin 4) is required. -
Page 21: Status Leds
S-DIAS SAFETY SNC INCREMENTAL ENCODER SNC 021 Status LEDs Bus Status green bus communication OK no supply available BLINKING (5 Hz) no communication Safety Used yellow can be set from the application (e.g. the module LED can be set to blinking through the... -
Page 22: Applicable Connectors
SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER Applicable Connectors Connectors: X1-X3: Connectors with spring terminals (included in delivery). The spring terminals are suited for the connection of ultrasonically compacted (ultrasonically welded) wires. Connections: Stripping length/sleeve length. 10 mm Mating direction:... -
Page 23: Label Field
S-DIAS SAFETY SNC INCREMENTAL ENCODER SNC 021 Label Field Manufacturer: Weidmüller Type: MF 10/5 CABUR MC NE WS Article number Weidmüller 1854510000 Compatible printer Weidmüller Type: Printjet Advanced 230V Article number Weidmüller 1324380000 02.12.2019 Page 21... -
Page 24: Wiring
SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER Wiring Wiring Example Page 22 02.12.2019... -
Page 25: Note
S-DIAS SAFETY SNC INCREMENTAL ENCODER SNC 021 Note The input filters, which suppress noise signals, allow operation in harsh environmental conditions. A careful wiring method is also recommended to ensure error-free function. The following installation guidelines should be observed: •... -
Page 26: Mounting
SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER Mounting The S-DIAS modules are designed for installation into the control cabinet. To mount the modules a DIN-rail is required. The DIN rail must establish a conductive connection with the back wall of the control cabinet. The individual S-DIAS modules are mounted on the DIN rail as a block and secured with latches. -
Page 27: Disposal
S-DIAS SAFETY SNC INCREMENTAL ENCODER SNC 021 Recommended minimum distances of the S-DIAS modules to the surrounding components or control cabinet wall: a, b, c … distances in mm (inches) Disposal For the disposal of the product, the respective guidelines, possibly country-specific, must be observed and followed. -
Page 28: Encoder Configuration
SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER 10 Encoder Configuration The maximum encoder frequency is defined with 750 kHz (at 1x edge analysis). This corresponds to a maximum counter frequency or 1.5 MHz (at 4x edge analysis). When selecting the encoder to install, this must be taken into consideration accordingly. - Page 29 S-DIAS SAFETY SNC INCREMENTAL ENCODER SNC 021 Legend: … highest permissible speed in revolutions/sec or revolutions/min. … maximum encoder frequency of 750 kHz … encoder resolution according to the manufacturer data sheet. If linear encoders are used or for example, a translation ratio must be included, as well as the calculation for the maximum permissible speeds and the scaling parameters that must be defined in the Safety Designer for each encoder, taken into consideration.
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Page 30: Installing The Encoder
SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER 11 Installing the Encoder Line and encoder errors are diagnosed using, among other things, the measurement of the encoder currents. For this purpose, the preset values for measuring current must be defined in the system. The current limits are defined in the automatic system automatically, so the user does not have to predefine or configure any additional parameters. -
Page 31: Important Notes For Two-Channel Application
12 Important Notes for Two-channel Application When using the SNC 021 module in compliance with SIL 3 or SIL CL 3 according to EN 62061 and PL e, Cat. 4 according to EN ISO 13849-1, it must be taken into consideration... - Page 32 SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER Si la surveillance synchrone n'est pas effectuée par le logiciel de sécurité comme décrit dans la présente documentation, le constructeur de la machine doit alors prouver que les exigences des normes SIL 3 ou SIL CL 3 selon EN 62061 et PL e, Cat.
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Page 33: Supported Cycle Times
13 Supported Cycle Times The SNC 021 supports different cycle times. If variable sample points are deactivated, the IOs are updated with 4 kHz at cycle times of 250 µs to 32 ms. If the cycle time is lower than 250 µs, the IOs are updated with 3 kHz and PDO data are transmitted in a millisecond cycle. - Page 34 SNC 021 S-DIAS SAFETY SNC INCREMENTAL ENCODER Documentation Changes Change date Affected page(s) Chapter Note 20.09.2018 5 Connector Layout Note added 15.11.2018 3.3 Miscellaneous UL instead of UL in preparation 19.02.2019 11 Installing the Tolerance changed from +25 % to ±25 % Encoder 02.04.2019...
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