Handbuch Manual Manuel MASI20
Contents
1. 588639 655585 9 Fig 4 1 Interface for MASI20 4 2 System configuration The system setup is established during the configuration phase the master must be used in configuration mode In this mode the master automatically recognizes the slaves connected to the bus The features of the system the profiles ID ID1 ID2 IO Code as well as the slave addresses are stored by the master In case of system extensions that are not in conformity with the AS Interface specifications it is possible that some slaves are not detected by the master As soon as the whole system is configured and the master is operating in Protected mode the differences in relation to the configured system can be automatically detected by the master e g slave failures damaged bus cable or system extensions System configuration can be performed by an addressing device or directly via the master The configuration procedures are different according to the selected mode V 1 0 25 FA MURR Instruction manual for devices of the MASI20 series 4 2 1 Configuration with an AS Interface addressing device Address the slaves with the addressing device For slaves with an addressing plug this operation can be performed after step Install the slaves and connect them to the system cable Switch2. 20 3 5 3 Protection inversion of 20 3 5 4 Connecting 2 wires nennen sintesi tenter sinn snnt ens 21 3 5 5 Connecting 3 wires sensor 0 0 000200 0 nennen enne ensis 21 Instruction manual for devices of the MASI20 series AA MURR B S ELEKTRONIK 3 6 Actuator connection 22 3 6 1 Protection inversion of 22 3 6 2 Wiring a load on a static transistor 23 3 6 3 Wiring a load on a relays 23 4 SYSTEM CONFIGURATION nana nna nano kai dod aad 24 44 Addressing m A E 24 4 1 1 Addressing device connection essen entente nnn nennen nnne nnns 25 42 System configuration ded ia led elt ioci ides 25 4 2 1 Configuration with an AS Interface addressing 26 4 2 2 Configuration via the AS Interface master ssssssssssssssssssseeee eene 26 4 3 Automatic configuration IVL
3. 26 5 DIAGNOSTIC INFORMATION 5 27 5 1 Bus Device status 28 5 2 10 51 05 015 menn 28 5 3 Auxiliary SUDply M M6 28 6 OVERLOAD SHORT CIRCUIT 29 6 1 Sensor transmitter supply 29 29 elc 30 Instruction manual for devices of the MASI20 series AA MURR ELEKTRONIK Additions corrections to the manual Version Chapter Additions corrections Date Name 0 1 Issued by 15 06 04 ERW 0 2 MASI40 gt MASI20 27 07 04 ERW 1 0 Correction 11 08 04 DK Notes Instruction manual for devices of the MASI20 series AA MURR lt a a ELEKTRONIK Concerning this manual The text illustrations diagrams and examples used in this manual serve solely for the purpose of explanation operation and application of Input Output modules of the MASI20 range If you should have any further reaching questions regarding the installation and set up of the
4. _ 12 2 4 5 Auxiliary power Supply s et tte tee t tete tele tet iter E E 13 2 5 lt Slave profile RD 13 3 INSTALLATION INFORMATION cecssssesesesesessssesesesesscscsesesesesesesesenerseseseserereees 14 3 1 14 14 23 UMTOUNUNG Eee 16 3 4 Wiring bus and supply nennen enne nennen nnn nnnm anne 17 3 4 1 Field M 17 3 4 2 POWer SUDDIY M Ce 17 SAS Wirlng 18 3 4 3 1 _ _ _ _ C M 18 3 4 3 2 SCLEWCONMEGIOMS 18 3 5 Sensor and transmitter 19 3 5 1 eds subse cct 19 3 5 2 OCrew Conte lots
5. Instruction 2 Instruction 3 1 6 4 Use of foot notes Supplementary information is marked with superscripted numerals example Text Text Text Text These are explained in the form of footnotes beneath tables or text at the end of the page V 1 0 5 FA MURR Instruction manual for devices of the MASI20 series 7 2 System description 2 1 AS i system The AS Interface is a simple and cost saving wiring system based on a 2 wire cable for data and power transmission to sensors over a distance of up to 100 m System expansion gt 100 m is possible with the use of repeaters The application area concentrates mainly on lower level industrial automation for networking simple and mostly binary sensors and actuators The AS Interface is a substitute for traditional wiring between sensors actuators and the PLC System based mechanisms effectively support setup operation and maintenance Every AS Interface system requires a control unit the master This is available as a PLC specific module a PC card or a gateway The application program on the control system or PC controls the decentralized groups slaves via the master The master performs cyclical information exchange between the master and the slaves independently According to standard specifications an AS Interface network supports the operation of maximum 31 slaves According to extended specifications it supports the oper
6. Ae ELEKTRONIK Handbuch Manual Manuel MASI20 ELEKTRONIK AS i Instruction Manual for Devices of the MASI20 series Art No MASI20 DI4 DO4R Art No MASI20 014 004 Art No MASI20 DI4 DO3 Art No MASI20 014 Art No MASI20 014 DO3R Instruction manual Art No 55 769 Version 1 0 Murrelektronik GmbH Postfach 1165 71567 Oppenweiler Phone 49 0 7191 47 0 Falkenstrasse 3 71570 Oppenweiler Telefax 49 0 7191 47 130 Internet http Awww murrelektronik com Instruction manual for devices of the MASI20 series AA MURR B S ELEKTRONIK Table of contents 1 SAFETY IM 0CIIMI II0M 2 ____ ______ _ _ _ __3____ _ 323 lt 2 32 _ 2 33 lt 232 222 222 _ _ 2 1 3 Regulations a cc menace re 3 1 3 1 3 1 3 2 Electrical Safety ie rtr bea is ip dien 3 II L I MM 3 1 4 Information regarding Standards ccccsecceceseeeeeee
7. V 1 0 3 ELEKTRONIK Instruction manual for devices of the MASI20 series 1 4 Information regarding standards 1 41 Equipment standards EN 50295 EN 60 947 1 Low voltage switching devices Control systems and device interfaces Actuator Sensor Interface AS i Low voltage switching devices Part 1 General conventions 1 4 2 EMC standards EN 50295 EN 55011 EN 61000 4 2 EN 61000 4 3 EN 61000 4 4 EN 61000 4 6 Low voltage switching devices Control systems and device interfaces Actuator Sensor interface AS i Industrial Scientific and Medical high frequency equipment Radio interference Limit values and sensing methods EMC Part 4 Testing and sensing methods Main section 2 Test of immunity to static electrical discharge according to basic EMC standards EMC Part 4 Testing and sensing methods Main section 3 Test of immunity to RF electromagnetic fields EMC Part 4 Testing and sensing methods Main section 4 Test of immunity to rapid transient disturbances burst EMC basic standards EMC Part 4 Testing and sensing methods Main section 6 Test of immunity to asymmetric RF input EMC basic standard AS i Complete Specification Version 2 1 Section 8 EMC 1 4 3 Safety standards EN 60 295 EN 60 947 1 EN 60 529 VDE 0100 Low voltage switching devices Control systems and device interfaces Actuator Sensor
8. application must be observed in the configuration installation setup maintenance and testing of the equipment 1 3 1 directives This equipment fulfils the requirements of directive 89 336 EWG Electromagnetic compatibility There are no restrictions to applications in residential business and industrial areas including industrial facilities large and small 1 3 2 Electrical safety All devices connected to this equipment must fulfil PELV directives Protected Extra Low Voltage according to HD 384 4 41 1 3 3 General information a The designated function of this equipment is guaranteed only if the conditions for installation System extension operation and maintenance are complied with b Only system extensions and cables are allowed which meet the requirements and regulations for safety electromagnetic compatibility and where applicable telecommunications transmission equipment and specifications The installation of other extensions may violate these requirements and regulations or damage the equipment Information concerning the type of system expansions and cables that are permitted can be obtained either from your Murrelektronik distributor or taken from this manual The designated operation of the equipment is guaranteed only with the housing fully installed d This product is designed and manufactured to assure protection against damage if designated usage and proper maintenance are observed
9. equipment described in this manual please don t hesitate to contact us We would be glad to assist you any time info murrelektronik fr Murrelektronik reserves the right to make technical changes or modifications to the devices and to this manual without prior notice Chapter overview The Safety Information section must be read without fail prior to working with the products and the system This section contains information required for safe installation and handling The Configuration Information section directs itself to system planners It offers important information and details relevant to successful configuration The Installation section provides details regarding installation in both mechanical and electrical context This chapter addresses itself in particular to qualified and trained electricians responsible for the assembly and installation of system components The Setup and Diagnosis sections are intended for the setup personnel They offer important notes and information with regard to the rapid and uncomplicated setup of modular modules and of the whole system FA MURR Instruction manual for devices of the MASI20 series 7 1 Safety information 1 1 Designated use The input and output modules of the MASI20 series are designated for use only in those areas as described in this manual Strict adherence to the data specified in this manual must be ensured The products avec bee
10. in the checklist below of the system Work phase Questions Note Planning How many I O s are required This determines whether one or more AS Interface in total systems will be needed for realization Planning How great is the system Important for the selection of suitable system power power requirement supply units Never switch AS Interface power supply units in parallel Planning How large is the total scope Repeaters must be used if the sum of all cable lengths exceeds 100 m Configuration How are the modules to be assigned To avoid addressing errors create an assignment scheme and carefully label all addressed modules accordingly function test be performed Installation Where will the modules be Depends on the module enclosure type either in a installed switch cabinet or terminal box Place modules of enclosure type IP 67 close to sensors and actuators for the sake of greater efficiency Setup How VI the system I configuration mode master operating mode the configuration be executed detected slave profiles are automatically read in by the master Setup Have slaves been When all slaves have been detected the master should detected by the master be switched into protected operating mode This enables exhaustive diagnostics Setup How can a simple l O Quick and straightforward with special easy to use setup tools or via the gateway with graphics dis
11. wire cable conforming to AS Interface 3 specifications Wires brown Field bus system cable ASI blue Field bus system cable ASI Bus connection is performed using 2 wires Two types of connectors can be used to connect the module 3 4 2 Power supply An additional power supply source may become necessary as soon as the energy delivered by the slave from the bus is not sufficient for the current consumption of the AS Interface slave and the corresponding peripheral components such as sensors and or actuators Typical applications requiring an additional power supply Photoelectric safety locking Inductive loads switching devices valves eic The additional power supply unit must be fitted with a protection cutoff device and must be in conformity with PELV directives according to IEC 364 4 41 Wiring in switch cabinets is effected with single wires It is also possible to use an adapted round cable or the specific profiled flat cable Wires brown Auxiliary supply 24V DC 24V DC blue Auxiliary supply 24V DC 0V Bus connection is performed using 2 wires Two types of connectors can be used to connect the module see Chapter 2 4 1 System cables V 1 0 17 FA MURR Instruction manual for devices of the MASI20 series ELEKTRONIK 3 4 3 Wiring system 3 4 3 1 Stripping connectors To connect a terminal for module MASI2O it is initially necessary to lead the wire in the ter
12. RONIK 2 4 5 Auxiliary power supply The power supply required for actuators is provided by an auxiliary power supply Information relating to voltage drops and cable cross sections also apply to auxiliary power supply all the more since currents are higher In case of a short circuit on the output of a slave far away from the system power supply some slaves may sporadically indicate an undervoltage of the auxiliary power supply due to a voltage drop caused by the high current in the cable 2 5 Slave profile Each slave is marked with a specific profile to assure unequivocal identification by the AS Interface master The conditions for this are listed in the AS Interface specifications The profile consists of one identification code ID Code 2 extended identification codes ID1 Code ID2 Code as well as the Inputs Outputs configuration code IO Code These data determine the slave function The slave profile is represented as follows S IO ID ID2 e g S 7 A 0 This profile is permanently programmed by the manufacturer and cannot be changed The ID1 Code can be modified by the user with the command Write Extended ID Code 1 By default the ID1 Code is F for a standard slave or 7 for an AB slave ID A The slave profile information ID ID1 ID2 and IO Code is very important for an easy replacement of slaves in the system It enables the master to check if the current configuration corresponds to the refere
13. ace systems are extremely non sensitive to disturbance Consequently you can use a non screened bus cable The structure of AS Interface systems can be compared to an ordinary electrical installation with different network topologies line star or tree structure Line structure PLC Master Slave Slave Slave Slave Slave Slave Slave Slave Star strucure PLC Master Slave Slave Slave Slave WPNMURR ELEKTRONIK Tree structure PLC Master Slave Slave Slave Slave Fig 2 3 Topology of the AS Interface system The data cycle time depends on the network topology and the entire scope of the system For a complete system with 31 slaves it is about 5 ms and with 62 slaves extended specifications about 10 ms V 1 0 FA MURR Instruction manual for devices of the MASI20 series _ 2 2 System data Topology Tree structure Transfer medium Two wire cable non screened for data and power up to 8A Cable length Sum of all spare lines max 100 m Number of slaves Max 31 or max 62 Number of binary Up to 4 sensors and actuators per slave max 124 in
14. ation of maximum 62 modules There are two types of slaves active and passive modules Active modules are slaves with interfaces linking to common binary sensors and actuators Each data transmission cycle between the master and the slave is limited to 4 input data bits and 4 output data bits This kind of structure and the length of the data messages support the operation of up to 124 inputs and 124 outputs standard specifications The extended specification supports the operation of 248 inputs and 186 outputs Passive modules are typically fitted with a standard electromechanical interface for ex round plug connector M12 for a direct connection of sensors and actuators to the AS Interface integrated into the field bus cable In order to ensure an accurate data transmission between the master and the slaves each slave A or B must be assigned to a specific address configurable from 1 to 31 Addressing can either be performed by a manual addressing device or by the master itself AS Interface products are generally marked by specific logos Such identifications allow to distinguish between certified products and such products that are AS Interface certified by the manufacturer Fig 2 1 AS Interface Fig 2 2 Certification Instruction manual for devices of the MASI20 series Owing to the signal shape for the data transmission it is not necessary to provide terminating resistors Thanks to the intelligent data protocol AS Interf
15. dically indicate an undervoltage of the auxiliary power supply due to a voltage drop caused by the high current in the cable V 1 0 29 FA MURR Instruction manual for devices of the MASI20 series ELEKTRONIK 7 6 3 Outputs A short circuit or an overload on the outputs corresponds to a peripheral error FID of the slave error indicated by the master if it is in conformity with the specification AS i 2 1 slave indicates such errors by flashing display of the red LED FAULT The slave still works normally short cut output is disconnected by the output driver master indicates the peripheral error by flashing display of the CONFIG ERR LED When the cause of the error has been corrected slave is reset the red LED FAULT is off output is reset initial status on the AS i bus The error is no more indicated by the master By commuting big capacitive load it is possible that the module indicate a periphery fault due to the switching down delay 30 V 1 0
16. e of the product By commuting big capacitive load it is possible that the module indicate a periphery fault due to the switching down delay 3 6 3 Wiring a load a relays output Some modules of the MASI20 family have relays outputs and loads must be connected in the following Way RL o 00 RL AC DC PA JUN RL S o O2 8L 4 o 03 Fig 3 13 Wiring a relays output Refer to the wiring plan printed on the side of the product V 1 0 23 FA MURR Instruction manual for devices of the MASI20 series ELEKTRONIK 7 4 System configuration 4 1 Addressing Each slave must be programmed with a unique address before setting up the AS Interface system To do so you can use an addressing device or perform this configuration online via the master Refer to the corresponding description Q Addresses are non volatile they remain stored in the slave thanks to an EEPROM even in case of power cutoff Addressing is not limited According to the standard specifications addresses can be assigned from 1 to 31 For systems conforming to the extended specifications up to 62 slaves the available address range is from 1A to 31A and 1B to 31B The installation of an appropriate master is required when using AS Interface systems conforming to the extended specifications In a system you can generally operate simultaneously slaves conforming to standard specificatio
17. eved by changing the location of the system power supply unit within the system layout and by using power supply cables of a greater conductor cross section only for round cables AS Interface modules with digital inputs support the direct connection of commercially available sensors The voltage needed to operate the sensors is supplied by a slave internal power supply taken from the bus With the lowest admissible supply voltage at slave level and with regard to voltage drops in the slave optimal power supply of sensors is always guaranteed The sensor power supplies of different AS Interface modules supplied by the bus cable are not grounded and should in no case be coupled 2 4 4 Cable cross sections The chief determining factor in selecting a suitable transmission cable in regard to energy transfer is the DC resistance Initial conditions e cable length is 100 m e 31 slaves are connected to the cable at regular intervals and current consumption of 65 mA is the same for all slaves total current 2 A The table below shows the resulting drop of voltage between the power supply inputs and the connecting point of the last slave Cable cross section in mm 0 75 1 5 2 5 DC resistance in mOhm m 52 0 26 6 16 0 Max voltage drop in en V 5 4 2 7 1 6 Table 2 4 1 Influence of various cross sections Instruction manual for devices of the MASI20 series MURR lt a Aa ELEKT
18. face system power supply unit and is electronically protected against overload and short circuit All sensors and transmitters connected to a Murrelektronik AS Interface module are supplied by the same power source The power supply of sensors from the system s supply unit is not grounded Never connect the sensor supply or sensors transmitters to other modules 3 51 Spring connector The product is delivered with spring connectors To connect a wire it is first of all necessary to strip it on 4mm then using a screwdriver to press on the strip to give off the blade To then insert the son in the terminal and to slacken the pressure on the strip so that the blade imprisons the son and makes contact The connection of the cables is identical for the detectors and actuators o The acceptable section of wire goes from 0 14 to 1 5 2 0 14 1 5mm Fig 3 6 wiring spring connectors V 1 0 19 FA MURR Instruction manual for devices of the MASI20 series 3 5 2 Screw connectors As accessory we also provide screw connectors The connection of the cables is identical for the detectors and actuators 0 The acceptable section of wire goes from 0 14 to 1 5 2 0 14 1 5mm Fig 3 7 wiring screw connectors 3 5 3 Protection inversion of connector In order to avoid reversing the assembly of the connector on the module there exists a pin on the site of the input connector This prevents from c
19. interface AS i Low voltage switching devices Part 1 General conventions Type of housing protection IP Code Part 410 HD 384 4 41 Installation of power systems and equipment with nominal voltages up to 1 000V Part 4 Protective measures Chapter 41 Protection against electrocution V 1 0 Instruction manual for devices of the MASI20 series AA MURR a ELEKTRONIK 1 5 Explanation of symbols 1 6 Use of attention signs Notes containing important information are specially marked These are illustraded as follows m 1 6 1 Use of danger signs Attention text Danger signs are additionally marked with an enclosing frame CAUTION Disregard of safety measures may result in damage to equimement and other serious consequences DANGER Non compliance with the relevant safety measures poses a danger to the health and life of the user 1 6 2 Use of numbering in illustrations Illustrations are numbered with white numbers in black round fields Example Text 1 The explanatory text follows in tabular form under the same number in direct context to the preceding illustration 1 6 3 Use of handling instructions Handling instructions describe the sequence of steps during installation setup operation and maintenance that must be strictly observed The numbering black numerals in round white fields is given in a sequential and ascending order Example Instruction 1
20. mation and represent a static or flashing LED display Asi PWR FAULT Status green red absence of AS I operating voltage no data communication module peripheral error short circuit at sensor supply extern supply under voltage short circuit at transistor output 0 off flashing on Table 5 1 1 Bus Device status display 5 2 status display A status display is allocated individually to each input and output According to the function the display is as follows I1 IM for inputs or O1 On for outputs The display is located directly next to the corresponding connector and makes it possible to recognize the status of peripheral components such as sensors and actuators I 0 Status yellow 0 input output deactivated input output activated O off 0 Table 5 2 1 I O status display 5 3 Auxiliary supply The power supply of the modules with an auxiliary supply are fitted with a green LED The auxiliary supply must be galvanic separated according to IEC 364 4 1 PELV Aux PWR Status green 0 No auxiliary supply Auxiliary supply O off 0 Table 5 3 1 Auxiliary supply display 28 V 1 0 Instruction manual for devices of the MASI20 series MURR lt a Aa ELEKTRONIK 6 Overload short circuit response 6 1 Sensor transmitter supply A short circuit or an overload on the se
21. minal then to fix the cap of the terminal by strongly supporting until locking of the cap pins on the side so that the claws make a good contact with the heart of the wire This terminal makes it possible to ensure the continuity of the bus even if module MASI20 is disconnected The connection of the cables is identical for both connection 0 The acceptable section of wire goes from 0 5 to 0 75 2 4 1 Fig 3 4 wiring stripping connectors 3 4 3 2 Screw connectors AS accessory we provide screw connectors Those one accept a bigger wire section but don t ensure the continuity of the bus even if module MASI20 is disconnected The connection of the cables is identical for both connection The acceptable section of wire goes from 0 5 to 1 5 2 Fig 3 5 wiring screw connectors 9 AS i yellow Ref 55 211 Power black Ref 55 212 18 V 1 0 Instruction manual for devices of the MASI20 series MURR Aa ELEKTRONIK 3 5 Sensor and transmitter connection According to the module type the power supply of connected sensors or transmitters is provided by the AS Interface system power supply unit or by auxiliary supplies Supply of sensors transmitters MASI20 from the system Art No 55685 Art No 55688 Art No 55768 from auxiliary supply Art No 55686 Art No 55687 Table 3 5 1 List of modules The 24V DC power supply of sensors is furnished by the AS Inter
22. n developed manufactured tested and documented in compliance with current safety codes The equipment poses no danger to operating personnel or material if configuration assembly and operation are performed in compliance with the stated handling and safety regulations Unqualified intervention in the hardware and software of our equipment disregard of warning labels found on the equipment or non observance of the information in this product manual can result in injury or serious damage to man and or material Only supplementary or extension devices that have been recommended by Murrelektronik may be employed in conjunction with products of the MASI20 series Any application or usage beyond and above this shall be regarded as non designated 1 2 Target groups This manual addresses itself exclusively to qualified and trained electricians knowledgeable in the safety standards of automation technology Only a qualified trained electrical tradesman knowledgeable in the safety standards of automation technology may perform configuration installation set up maintenance and testing of the equipment Only Murrelektronik technical personnel are allowed to undertake intervention in the hardware and software of our equipment insomuch as this is not described in this manual 2 V 1 0 Instruction manual for devices of the MASI20 series AA MURR lt a ELEKTRONIK 1 3 Regulations Current safety and accident prevention laws valid for a specific
23. nce configuration V 1 0 13 FA MURR Instruction manual for devices of the MASI20 series 3 Installation information 3 1 Dimensions A fool mem gt ICI LI C E E C C v v 4 60 mm kl 25 4 77 E Fig 3 1 Dimensions MASI20 3 2 Mounting Modules can easily be mounted on a rail When attaching the module it must be assured that the snap in mechanism is tight fit 9 m al faa Instruction manual for devices of the MASI20 series Fig 3 2 DIN rail mounting ELEKTRONIK V 1 0 FA MURR Instruction manual for devices of the MASI20 series ELEKTRONIK 7 _ 3 3 Unmounting Use a screwdriver to unmount modules from rail Fig 3 3 DIN rail unmounting ELEKTRONIK Faut As Pwr Aux Pwr Instruction manual for devices of the MASI20 series MURR Aa ELEKTRONIK 3 4 Wiring bus and supply cables 3 4 1 Field bus AS Interface field bus wiring is effected using a 2
24. ns and slaves conforming to the specifications Is this case standard slaves are identified as slaves of type by the master The same address that is not used in group is no more available New slaves that are not yet addressed are always allocated to the address 0 Although they have been recognized by the master they are not included into the communication process When replacing a slave while the system is operating maintenance repair etc it is automatically allocated to the address 0 by the master Chapter 4 3 Automatic configuration Addressing device Art No 55696 24 V 1 0 Instruction manual for devices of the MASI20 series MURR a ELEKTRONIK 4 1 1 Addressing device connection Modules are fitted with a specific plug for addressing devices When inserting the addressing link the module is automatically cut from the field bus for as long as it is connected to the addressing device This way addressing is possible even after the system set up and the connection of the field bus cable to the AS Interface To be able to address a MASI20 module simply connect the addressing device to the addressing plug of the module Module addressing with a manual addressing device requires no auxiliary supply Refer to the device instructions to address the slaves Slaves are provided with the default address 0
25. nsor supply corresponds to a peripheral error FID of the slave error indicated by the master if it is in conformity with the specification AS i 2 1 The slave indicates such errors by flashing display of the red LED FAULT The slave still works normally error causes a current limitation and a voltage drop sensors are no more supplied master indicates the peripheral error by flashing display of the CONFIG ERR LED When the cause of the error has been corrected slave is reset the red LED FAULT is off sensor supply is restored The error is no more indicated by the master 6 2 Auxiliary supply Absence of voltage or a voltage below 9V of the auxiliary supply corresponds to a peripheral error FID of the slave error indicated by the master if it is in conformity with the specification AS i 2 1 slave indicates such errors by flashing display of the red LED FAULT The slave still works normally The outputs or the sensor supply are no more supplied or with low voltage gt 9V master indicates the peripheral error by flashing display of the CONFIG ERR LED When the cause of the error has been corrected slave is reset the red LED FAULT is off The output or sensor supply is restored error is no more indicated by the master In case of a short circuit on the output of a slave far away from the system power supply some slaves may spora
26. ofile of the new slave is identical to the profile stored by the master of the slave to be replaced Only under these conditions the new slave is integrated into the system and automatically configured by the master which immediately assigns the address of the faulty slave 26 V 1 0 Instruction manual for devices of the MASI20 series MURR lt a Aa ELEKTRONIK 5 Diagnostic information displays Diagnostic information is an important prerequisite for easy setup Errors can be quickly identified and rectified through clear information regarding the field bus system the I O module and connected peripheral components such as sensors and actuators All MASI20 modules feature separate clearly arranged displays for bus status device status and I 0 status These displays are located on the front of the module housing ELEKTRONIK MASI20 Dix DOx Art No 55xxx grau 1 Bl Asi Pwr Aux Pwr Profil S x x x 8 12 LJ 24V Com i oo 3 O1 O2 0V 0V 0 LED Diagnosis Voltage LED input status display LED output status display Fig 5 1 Diagnosis displays MASI20 V 1 0 27 FA MURR Instruction manual for devices of the MASI20 series ELEKTRONIK 5 1 Bus Device status display The LED s on the front of the module are marked PwR and FAULT for clear infor
27. onnecting the output connector instead the input connector To be able to connect the input connector it is necessary beforehand to cut a pin of codification as explained on the figure below miim ELEKTRONIK Pwr Aux Pwr Fig 3 8 Protection inversion of connector 7 Ref 55 210 __ 20 V 1 0 Instruction manual for devices of the MASI20 series MURR Aa ELEKTRONIK 3 5 4 Connecting 2 wires sensor The 2 wires sensor must be connected in the following way U0 24V o I0 I3 COM Fig 3 9 2 wires sensor connection Refer to the wiring plan printed on the side of the product Defer to the plan of wiring being reproduced on marking on the side of the product 3 5 5 Connecting 3 wires sensor PNP The 3 wires PNP sensor must be connected in the following way o U0 24V o 10 5 D S gt COM Fig 3 10 3 wires sensor PNP connection Refer to the wiring plan printed on the side of the product V 1 0 21 FA MURR Instruction manual for devices of the MASI20 series 17 3 6 Actuator connection loads The loads connected to the MASI20 module are supplied by auxiliary power supply For MASI20 modules the output voltage is electronically protected against short circuit and overload The max admissible load on outputs goes from 0 5A for tran
28. ou can also use a common 2 wire round cable without PE cable particularly for chained applications or wiring in switch cabinets Art No 55 747 3 Art No 55 743 10 V 1 0 Instruction manual for devices of the MASI20 series MURR iA ELEKTRONIK 2 4 2 System power supply Fig 2 5 AS Interface system power supply AS Interface systems require a 29 5V to 31 6 DC power supply conforming to IEC directives PELV Protected Extra Low Voltage Q The data filter integrated into the power supply constitutes the basic difference in comparison with usual industrial power supplies It enables the transmission of both power and data Each AS Interface branch requires its own power supply Art No 85381 MCS A 4 110 240 30 Art No 85382 MCS A 4 110 240 30 EFD with earth fault detection V 1 0 11 FA MURR Instruction manual for devices of the MASI20 series ELEKTRONIK 7 2 4 3 Voltage drop System related limit values regarding system power supply must be strictly observed if maximum functional safety and fault free operation are to be ensured Always ensure that the system voltage measured at the slave furthest away from the system power supply does not drop below 26 5V DC A voltage drop dependent on the load current results in the system cable as the sensors and actuators are supplied centrally from the AS Interface power supply unit D In critical cases optimisation can be achi
29. play Alternatively with the PLC Software Tool e g ASI Control Tools Article No 55717 V 1 0 FA MURR Instruction manual for devices of the MASI20 series W NELEKTRONIK 2 4 Electrical specification 2 4 4 System cables To meet individual application requirements system wiring on the field bus side can be realized either with round cables or also with the yellow ribbon cable characteristic for AS Interface systems Cables are basically of the 2 wire type without PE cable Cable screening in not necessary thanks to the transmission technology Q Two electrical aspects are decisive in the selection of a suitable transmission cable a DC resistance line cross section for reasons of auxiliary power transfer b Transmission characteristics Impedance from 80 to 120 ohms for 167 kHz Additional auxiliary power is usually required for actuators Q Cable leads brown Field bus system cable ASI 24V DC auxiliary power 24V DC blue Field bus system cable ASI 24V DC auxiliary power DC OV exe Fig 2 4 AS Interface round cable according to DIN VDE 0281 Part 402 For standard profiled cables the strand insulation is made of a rubber compound For more critical applications particularly as regards chemical stability TPE or PUR cables are available The main area of application is the stationary wiring of machines and installations in a rough environment For the transmission cable y
30. puts and 124 elements according to outputs for a complete system the specification 2 0 Number of binary Up to 4 sensors and 3 actuators per slave max 248 inputs and 186 elements according to outputs for a complete system the specification 2 1 Addresses A specific address for each slave between 1 31 or 1 31 A and 1 31 B extended specification Addressing mode By means of a manual addressing device or via the master Messages Cyclic messages from the master to the individual slaves master call with instant reply from slave slave reply Bit rate 4 bits of informative data per slave and message Data cycle time 5 ms with 31 slaves 10 ms with 62 slaves Error recognition Identification of faulty messages automatic repeat Master functions System initialisation Automatic slave detection Non cyclical parameter transmission Bus and slave diagnosis Error messages to control Automatic addressing when a slave is replaced Table 2 2 1 AS Interface system data 8 V 1 0 Instruction manual for devices of the MASI20 series 2 3 Information for the beginner WPNMURR ELEKTRONIK AS Interface is a field bus system for industrial application whose advantages include no only its ease of handling in planning and application but also the good overview of the total system To make the system even easier and safer for beginners to use we recommend proceeding as outlined
31. sistor outputs to 2A for relays outputs Type of output MASI20 Relays N art 55685 N art 55768 Static with transistor N art 55686 N art 55687 Table 3 6 1 List of modules The capacity of outputs is indicated in the installation manual of each module The module outputs of the MASI20 range the corresponding potentials must in no case be galvanic connected to the inputs or outputs of other AS Interface modules 3 6 1 Protection inversion of connector In order to avoid reversing the assembly of the connector on the module there exists a pin on the site of the input connector This prevents from connecting the output connector instead the input connector To be able to connect the input connector it is necessary beforehand to cut a pin of codification as explained on the figure below ELEKTRONIK As Pwr Aux Pwr Fig 3 11 Protection inversion of connector 22 V 1 0 Instruction manual for devices of the MASI20 series MURR lt a Aa ELEKTRONIK 3 6 2 Wiring a load a static transistor output Some modules of the MASI20 family have static outputs transistor and loads must be connected in the following way RL 00 RL o 01 RL o 02 RL I 03 0V Fig 3 12 wiring a static transistor output Refer to the wiring plan printed on the sid
32. sneeseeeeeeseeeeneeseeesneeseeesneeseeesneeseeesneeseeeseenseeesees 4 1 4 1 EQUIPMENT STANCES 4 1 4 2 MU 4 1 4 3 Safety st ndaldSi 4 1 5 Explanation of 257 1 5 1 6 Use of attention SIGNS 5 1 6 1 Use of 12 62 16 5 1 6 2 Use of numbering in 5 1 6 3 Use of handling 5 1 6 4 Use OFfOOtinOtes 5 2 SYSTEM DESCRIPTION 6 __ lt _ __3 33 lt _ lt 2 _ 6 2 2 lt 8 2 3 Information for the 9 2 42 Electrical specication 10 2 4 1 System Cables Gee an tiene avai ee dle 10 2 4 2 SYSTEM power SUDDIY ER 11 2 4 3 12 2 4 4 Gable cross Sectioris 4
33. the master into configuration mode Master user s manual Check if all the slaves have been detected and stored into the LDS list List of Detected Slaves Master user s manual Configure the system Master user s manual Switch into protected configuration mode Master user s manual Check the master displays The display of configuration errors must not be enabled Master user s manual 4 2 2 Configuration via the AS Interface master Switch the master into configuration mode Master user s manual Connect the slave to the AS Interface system cable Change the slave address via the master Master user s manual Repeat steps and until all the slaves are connected and addressed Check if all the slaves have been detected and stored into the LDS list List of Detected Slaves Master user s manual Configure the system Master user s manual Switch into protected configuration mode Master user s manual Check the master displays The display of configuration errors must not be enabled Master user s manual 4 3 Automatic configuration In case of a slave failure while the system is operating it can be easily replaced by a new slave if the following conditions are complied with the master must be in protected operating mode and the automatic configuration must be active failure of only one slave the new slave is assigned to address 0 the pr
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