ABB Advant AC500 Manual Download

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AC500 Hardware

1-19 System

data

AC500 / Issued: 05.2007

13 (0.51)

62 (2.44)

75 (2.95)

59 (

.32)

135 (

.31)

76 (

.99)

77 (3.03)

84.5 (3.33)

(1.10)

135 mm
(5.31) inches

Dimensions:

View on the left side

DIN rail 15 mm

DIN rail 7.5 mm

Figure: Terminal Base with coupler, view from the left side

67.5 (2.66)

TU505/506

59 (

.32)

70.5 (

.78)

TU515/516/531/532

135 (

.31)

67.5 (2.66)

(2.27)

DC505

135 mm
(5.31) inches

57.7

Dimensions:

Figure: Dimensions of the S500 Terminal Units (front view)

Summary of Contents for Advant AC500

Page 1: ...ssembly with screws 1 13 Mounting and disassembling the Terminal Units and the I O modules 1 14 Assembly on DIN rail 1 14 Assembly with screws 1 17 Mechanical dimensions 1 18 Switch gear cabinet assembly 1 21 Insertion Replacement of the Lithium battery 1 22 Insertion of the SD Memory Card 1 24 Connection system 1 25 Terminals for power supply and the COM1 interface CPU Terminal Base AC500 1 25 Te...

Page 2: ...bus 1 35 Connection of the AC500 CPU to the CS31 system bus using COM1 of the Terminal Base 1 35 Wiring 1 36 Bus topology 1 36 Earthing 1 38 Number of user data bus cycle time and data security 1 39 Replacement of modules on the CS31 system bus 1 39 Serial interface COM2 1 40 FieldBusPlug FBP 1 42 Wiring 1 42 Bus topology 1 42 Modbus 1 43 General 1 43 Bus topology 1 43 Number of user data bus cycl...

Page 3: ...system Attached Resource Computer Network 1 51 ARCNET bus topology 1 51 The networking possibilities of Linear ARCNET 1 51 Linear ARCNET expanded by active distribution units Active Hubs 1 52 Wiring 1 53 General considerations for EMC conforming assembly and construction 1 54 General principles 1 54 Cable routing 1 54 Cable shields 1 55 Switch gear cabinet 1 55 Reference potential 1 55 Equipotenti...

Page 4: ...60 Hz 6 4 line voltage 230 V AC 15 10 230 V AC frequency 47 Hz 62 4 Hz 50 60 Hz 6 4 wide range supply line voltage 102 V 264 V 120 V 240 V 15 10 120 240 V AC frequency 47 Hz 62 4 Hz 50 60 Hz 6 4 Allowed interruptions of power supply according to EN 61131 2 DC supply interruption 10 ms time between 2 interruptions 1 s PS2 AC supply Interruption 0 5 periods time between 2 interruptions 1 s Important...

Page 5: ... 24 V inputs outputs if they are electrically isolated against other circuitry 500 V surge 1 2 50 µs COM interfaces electrically isolated 500 V surge 1 2 50 µs FBP interface 500 V surge 1 2 50 µs Ethernet 500 V surge 1 2 50 µs ARCNET 500 V surge 1 2 50 µs 230 V circuits against other circuitry 1350 V AC 2 s 120 V circuits against other circuitry 820 V AC 2 s 120 V to 240 V circuits against other c...

Page 6: ...ding to EN 61000 4 3 zone B criterion A test field strength 10 V m Immunity against transient interference voltages burst according to EN 61000 4 4 zone B criterion B supply voltage units AC DC 2 kV digital inputs outputs 24 V DC 1 kV digital inputs outputs 120 230 V AC 2 kV analog inputs outputs 1 kV CS31 system bus 2 kV serial RS 485 interfaces COM 2 kV serial RS 232 interfaces COM 1 kV ARCNET 1...

Page 7: ...ing to UL 94 Vibration resistance acc to EN 61131 2 all three axes 2 Hz 15 Hz continuous 3 5 mm 15 Hz 150 Hz continuous 1 g 4 g in preparation Vibration resistance with SD Memory Card inserted 15 Hz 150 Hz continuous 1 g Shock test all three axes 15 g 11 ms half sinusoidal Shipping specific requirements Mounting of the modules DIN rail according to DIN EN 50022 35 mm depth 7 5 mm or 15 mm mounting...

Page 8: ... the Terminal Bases the CPUs and the couplers Assembly on DIN rail Step 1 Mount DIN rail 7 5 mm or 15 mm Step 2 Mount Terminal Base TB521 TB521 TB541 Figure Assembly of the Terminal Base TB511 TB521 or TB541 The Terminal Base is put on the DIN rail above and then snapped in below The disassembly is carried out in a reversed order Figure Disassembly of the Terminal Base TB511 TB521 or TB541 ...

Page 9: ...e Once secured to the DIN rail slide the I O unit to the left until it fully locks into place creating a solid mechanical and electrical connection Altogether 7 I O Terminal Units can be combined with the Terminal Base If both of the following conditions are fulfilled max 10 I O Terminal Units can be combined with the Terminal Base PS501 as of version V1 2 CPUs as of firmware V1 2 0 1 7 10 Figure ...

Page 10: ...ata AC500 Issued 05 2007 PS501 as of version V1 2 CPUs as of firmware V1 2 0 Figure Disassembly of the I O Terminal Unit TU515 TU516 TU531 or TU532 A screwdriver is inserted in the indicated place to separate the Terminal Units Step 4 Mount the CPU PM581 Figure Assembly of the CPU Press the CPU into the Terminal Base until it locks in place ...

Page 11: ...Hardware 1 11 System data AC500 Issued 05 2007 The disassembly is carried out in a reversed order 1 2 1 Figure Disassembly of the CPU Disassembly Press above and below then remove the CPU Step 5 Mount the coupler communication module Figure Assembly of a coupler The coupler is first inserted below then clicked in above ...

Page 12: ...AC500 Hardware 1 12 System data AC500 Issued 05 2007 The disassembly is carried out in a reversed order 1 2 1 Figure Disassembly of a coupler Disassembly Press above and below then swing out the coupler and remove it The following figure shows a Terminal Base with a CPU and two couplers inserted PM581 CM577 CM572 ...

Page 13: ... mounting 1 2 1 3 Rear view Rear view Front view Figure Fastening with screws of the Terminal Base TB521 ETH as an example 1 The two Wall Mounting Accessories TA526 are snapped on the rear side of the Terminal Unit like DIN rails The arrows point to the middle of the Terminal Base One TA526 is turned by 180 2 Two accessories for wall mounting inserted 3 Terminal Base fastened with screws By wall m...

Page 14: ...ing the Terminal Units and the I O modules Assembly on DIN rail Step 1 Mount DIN rail 7 5 mm or 15 mm Step 2 Mount FBP Terminal Unit TU505 or TU506 Figure Assembly of the FBP Terminal Unit TU505 or TU506 The FBP Terminal Unit is put on the DIN rail above and then snapped in below The disassembly is carried out in a reversed order Figure Disassembly of the FBP Terminal Unit TU505 or TU506 ...

Page 15: ...532 The I O Terminal Unit is installed on the DIN rail in the same way as the FBP Terminal Unit Once secured on the DIN rail slide the I O unit to the left until it fully locks into place creating a solid mechanical and electrical connection Altogether 7 I O Terminal Units can be combined with the FBP Terminal Unit 1 2 7 Figure Maximum configuration 1 FBP Terminal Unit plus 7 I O Terminal Units Im...

Page 16: ...e 1 16 System data AC500 Issued 05 2007 Figure Disassembly of the I O Terminal Unit TU515 TU516 TU531 or TU532 A screwdriver is inserted in the indicated place to separate the Terminal Units Step 4 Mount the modules DC532 Figure Assembly of the modules Press the electronic module into the Terminal Unit until it locks in place ...

Page 17: ...the Terminal Unit should be mounted with screws a Wall Mounting Accessory TA526 must be inserted at the rear side first This plastic part prevents bending of the Terminal Unit while screwing on 1 2 Front view Rear view Rear view Holes for wall mounting 3 1 Figure Fastening with screws of the Terminal Unit TU516 as an example 1 The Wall Mounting Accessory TA526 is snapped on the rear side of the Te...

Page 18: ...the screws have a conductive surface e g steel zinc plated or brass nickel plated the mounting plate is earthed the screws have a good electrical contact to the mounting plate Mechanical dimensions AC500 28 28 59 2 32 70 5 2 78 135 5 31 67 5 2 66 1 10 1 10 95 5 3 76 2 27 57 7 1 59 40 3 4 9 0 19 TB511 123 5 4 86 TB521 179 5 7 07 TB541 28 1 10 28 1 10 135 mm 5 31 inches Dimensions Figure Dimensions ...

Page 19: ... 2 44 75 2 95 59 2 32 135 5 31 76 2 99 77 3 03 84 5 3 33 1 10 135 mm 5 31 inches Dimensions View on the left side DIN rail 15 mm DIN rail 7 5 mm Figure Terminal Base with coupler view from the left side 67 5 2 66 TU505 506 59 2 32 70 5 2 78 TU515 516 531 532 135 5 31 67 5 2 66 2 27 DC505 135 mm 5 31 inches 57 7 Dimensions Figure Dimensions of the S500 Terminal Units front view ...

Page 20: ...Hardware 1 20 System data AC500 Issued 05 2007 28 21 0 83 54 2 13 75 2 95 59 2 32 70 5 2 78 135 5 31 76 2 99 View on the left side View on the right side 77 3 03 84 5 3 33 DIN rail 15 mm DIN rail 7 5 mm 135 mm 5 31 inches Dimensions 1 10 Figure Dimensions of the S500 Terminal Units view from the left and the right side ...

Page 21: ...sembly Basically it is recommended to mount the modules on an earthed mounting plate independent of the mounting location DC532 DC532 DC505 DC532 DC532 PM581 CM577 CM572 DIN rail earthed Mounting plate earthed DIN rail earted Mounting plate earthed Cable duct 20 mm minimum distance between the modules and the cable duct Figure Installation of AC500 S500 modules in a switch gear cabinet ...

Page 22: ...399 903 R0200 Insertion replacement of the Lithium battery AC500 CPUs are supplied without a Lithium battery It therefore must be ordered separately The TA521 Lithium Battery is used to save RAM contents of AC500 CPUs and back up the real time clock Although the CPUs can work without a battery its use is still recommended in order to avoid process data being lost The CPU monitors the battery statu...

Page 23: ...ion or at least as soon as possible after receiving the Low battery warning indication Do not use a battery older than 3 years for replacement do not keep batteries too long in stock Replacement of the battery Attention In order to avoid any data losses if needed the battery replacement should be done with the system under power Without battery and power supply there is no data buffering possible ...

Page 24: ...Without using an SD Memory Card the CPU itself withstands vibrations up to 4 g SD Memory Card MC502 ETH FBP COM1 COM2 PWR RUN ERR RUN DIAG VAL CFG ESC OK PM581 INSERT PUSH MC 502 SYS BATT I O Bus CPU 24 V DC 10 W WARNING Use of incorrect battery may cause fire or explosion Figure Insertion of the SD Memory Card To insert the SD Memory Card follow the procedure shown below 1 Remove the SD Memory Ca...

Page 25: ...c sleeve flexible 0 25 mm to 0 5 mm 1 TWIN wire end ferrule flexible 0 5 mm 2 with the same cross section solid 0 08 mm to 0 5 mm 2 with the same cross section flexible 0 08 mm to 0 75 mm 2 with the same cross section in wire end ferrule without plastic sleeve flexible 0 25 mm to 0 34 mm Terminal type Spring terminal Number of cores per terminal Conductor type Cross section 1 solid 0 08 mm to 1 5 ...

Page 26: ... type Cross section 1 solid 0 08 mm to 2 5 mm 1 flexible 0 08 mm to 2 5 mm 1 with wire end ferrule flexible 0 25 mm to 1 5 mm TWIN wire end ferrule flexible 2 x 0 25 mm or 2 x 0 5 mm or 2 x 0 75 mm with square cross section of the wire end ferrule also 2 x 1 0 mm 2 solid not intended 2 flexible not intended Terminal type Spring terminal Number of cores per terminal Conductor type Cross section 1 s...

Page 27: ... 2007 Connection of wires at the spring terminals Connect the wire to the spring terminal 1 2 3 b a conductor driver screw b Screwdriver for Opening for Opening closed Terminal open Terminal a inserted Screwdriver Screwdriver Spring Figure Connect the wire to the spring terminal steps 1 to 3 5 6 7 4 Figure Connect the wire to the spring terminal steps 4 to 7 ...

Page 28: ...e screwdriver must be at least 15 mm free of insulation at the tip 3 a While erecting the screwdriver insert it until the stop requires a little strength 3 b Screwdriver inserted terminal open 4 Strip the wire for 7 mm and put on wire end ferrule 5 Insert wire into the open terminal 6 Remove the screwdriver 7 Done Disconnect wire from the spring terminal 2 3 Screwdriver 1 Screwdriver Figure Discon...

Page 29: ...move wire from the open terminal 5 Remove the screwdriver 6 Done Mechanical encoding 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Pos 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Figure Possible positions for mechanical encoding 1 to 18 Terminal Units S500 and CPU Terminal Bases AC500 have an mechanical coding which prevents that modules are inserted to...

Page 30: ...2 1 TB511 ETH TB521 ETH TB541 ETH TB511 ARCNET TB521 ARCNET TB541 ARCNET TU505 TU506 TU507 RT ETH TU508 RT ETH for CPUs for CPUs Interface Modules Real Time with Ethernet with ARCNET e g DC505 FBP Ethernet Modules Mechanical codings for FBP 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 18 17 16 15 14 13 12 11 ...

Page 31: ...d against reverse polarity All necessary measures should be carried out to avoid damages to modules and wiring Notice the wiring plans and connection examples Bad wiring on I O terminals Attention All I O channels digital and analog are protected against reverse polarity reverse supply short circuit and continuous overvoltage up to 30 V DC Behaviour of the system in case of power supply interrupti...

Page 32: ...el 3 3 V DC 10 Max supply current 30 mA per expansion module Max number of I O expansion modules slaves on the I O Bus 7 with the S500 FBP Interface Module with max 4 analog modules with up to 16 channels each 7 with the AC500 CPU digital or analog 10 with the AC500 CPU PS501 as of V1 2 with CPUs with firmware as of V1 2 0 Type of the data interface synchronized serial data exchange Bus data trans...

Page 33: ... pole removable terminal block COM2 9 pole Sub D connector female Electrical isolation yes against the CPU 500 V DC Serial interface parameters configurable by the software Operating modes programming or data exchange Supported protocols Modbus or serial data exchange using special software function blocks COM1 can be configured and terminated for either RS 232 or RS 485 depending on used terminal...

Page 34: ...us while there is no data exchange It is useful to activate both the pull up and the pull down resistors which only are necessary once on every bus line at the bus master For this reason these two resistors are already integrated within the COM1 interface of the AC500 Terminal Bases They can be activated by connecting the terminals 1 2 and 3 4 of COM1 Terminator P RxD TxD P RxD TxD N Terminator N ...

Page 35: ...tors may only be activated at one master The earthing of the cable shields of the bus lines are described in the chapter CS31 system bus of the AC500 system data CS31 system bus Connection of the AC500 CPU to the CS31 system bus using COM1 of the Terminal Base The AC500 CPU can be used as a CS31 bus master The connection is performed via the serial interface COM1 used as a CS31 system bus The foll...

Page 36: ...elephone cables with PE insulation and a core diameter of 0 8 mm are normally good Remarks Cables with PVC core insulation and a core diameter of 0 8 mm can be used up to a length of ca 250 m In this case the bus terminating resistor is ca 100 Ω Bus topology A CS31 system bus always contains only one bus master CPU or coupler which controls all actions on the bus Up to 31 slaves can be connected t...

Page 37: ...in the bus line pull up and pull down activated CS31 bus master e g PM581 Figure Bus topology for a CS31 system bus at COM1 bus master within the bus line CS31 system bus CS31 Shield BUS 2 BUS 1 slave CS31 CS31 Shield BUS 2 BUS 1 slave 1 2 3 4 120 Ohms COM1 CS31 bus master e g PM581 Master at the bus line end pull up and pull down activated bus termination 120 Ohms system bus WRONG Spur lines are ...

Page 38: ...f it can be guaranteed that no potential differences can occur between the switch gear cabinets by means of current carrying metal connections earthing bars steel constructions etc the direct earthing is chosen CS31 Shield BUS 2 BUS 1 slave CS31 system bus CS31 slave CS31 system bus 1 2 3 4 120 Ohms COM1 PE CS31 bus master e g PM581 Cabinet 1 Cabinet 2 current carrying connection current carrying ...

Page 39: ...120 Ohms COM1 PE CS31 bus master e g PM581 direct earthing with clip on cabinet steel plate capacitive earthing with 0 1 uF X type capacitor directly on the cabinet s steel plate Figure Earthing concept with several switch gear cabinets direct earthing of cable shields when cables enter the first switch gear cabinet containing the master and capacitive earthing at the modules Everywhere is valid T...

Page 40: ...ll down resistor at RxD TxD N These two resistors care for a defined high level on the bus while there is no data exchange It is useful to activate both the pull up and the pull down resistors which only are necessary once on every bus line at the bus master COM2 9 pole female 1 2 3 4 5 6 7 8 9 FE TxD RxD TxD P RTS SGND 5 V RxD CTS 1 5 9 6 Functional Earth RS 232 RS 485 Request To Send Signal Grou...

Page 41: ...g Slave at the bus line end Master within the bus line Slave within the bus line Slave at the bus line end bus termination 120 Ohms pull up 470 Ohms pull down 470 Ohms bus termination 120 Ohms 120 Ohms 120 Ohms 5 6 3 6 8 5 1 RxD TxD P RxD TxD N 0V 5V 470 Ohms 470 Ohms PE Figure RS 485 bus master within the bus line Attention If the bus is operated with several masters the pull up and pull down res...

Page 42: ..._______________ V2 AC500 Hardware 1 42 System data AC500 Issued 05 2007 FieldBusPlug FBP Wiring For example refer to description of the PROFIBUS DP FBP documentation 2CDC 192 001 D010x PDF Bus topology For example refer to description of the PROFIBUS DP FBP documentation 2CDC 192 001 D010x PDF ...

Page 43: ...protocol The master sends a request to the slave and receives its response Both interfaces COM1 and COM2 can work as Modbus interfaces simultaneously The Modbus operating mode of an interface is set with several function blocks Bus topology Point to point with RS 232 or bus topology with RS 485 Modbus is a master slave protocol Technical data Supported standards EIA RS 232 or EIA RS 485 Number of ...

Page 44: ...ms normally use only three of the 7 layers ISO OSI Transmitting CPU Receiving CPU Layer 7 Application layer Application layer Interface to the application program CPU with application oriented commands read write Layer 2 Data link layer Data link layer Access control to the line telegram start length data security e g CRC Cyclic Redundancy Code Layer 1 Physical layer Physical layer Definition of t...

Page 45: ...Party Line Trunc Drop Party Line with branch and drop Ring The PROFIBUS DP realized with PDP21 or PDP22 represents a real Party Line topology that supports high baud rates up to 12 Mbit s best possible Branches and Drops cause reflexions which results in a dramatic reduction of the max baud rate With repeaters this influence can be equalized partially Branch Figure Typical field bus topologies ...

Page 46: ...ontrol System Example of a slave with PROFIBUS FieldBusPlug The quantities of bytes words are defined by the connected device Block parameters are transferred during power up The PDP22 PROFIBUS DP V1 allows to suppress the block parameter transfer executed e g during power up setting the appropriate parameter This parameter is not sent to the device and cannot be set via the device In the Control ...

Page 47: ...reated during configuring selecting the bus line including the slaves devices and is sent to the FieldBusPlugs directly after power up All slaves compare the expected configuration with their real configuration and confirm if they agree as a supposition to start the data exchange Additionally some general data such as baud rate and time out are transferred Parameters Parameters are necessary to ad...

Page 48: ...V1 In former times a separate master class 2 was needed to read and write single parameters Currently most of the control systems offer a class 1 master capable to perform acyclic DP V1 services to read and write all data types Note In all cases only the bus master can start the data exchange on the PROFIBUS DP bus PROFIBUS DP Master Class 1 PROFIBUS DP Master class 2 PROFIBUS DP Master Class 1 us...

Page 49: ...10 Ω km Cable lengths Within one segment the maximum possible cable length of a PROFIBUS subnet depends on the transmission speed Baud rate Max cable length 9 6 kbaud to 187 5 kbaud 1000 m 500 kbaud 400 m 1 5 Mbaud 200 m 3 Mbaud to 12 Mbaud 100 m Table Maximum cable length of a segment within a PROFIBUS subnet The cable ends of the bus segments must be equipped with terminating resistors according...

Page 50: ...ng collision i e the area the collision can propagate over This however only applies if the components operate in half duplex mode since the CSMA CD access method is only used in this mode If the components operate in full duplex mode no collisions can occur Reliable operation of the collision detection method is important which means that it has to be able to detect possible collisions even for t...

Page 51: ...itions in the network i e that the network is reconfigured automatically each time a station is added to the network or switched off ARCNET bus topology The networking possibilities of Linear ARCNET The Linear ARCNET connects the individual stations directly to each other i e without using any distribution units Each station is connected to the network by using a T connector Both cable ends must b...

Page 52: ...The Active Hub decouples the station connectors from each other Therefore the entire network does not fail when one of the connections fails The maximum length of the network is 6 km A maximum of 255 stations can be used Active Hub Station 1 Station 2 T connector Terminating resistor 93 Ohms Total length max 300 m max 600 m max 600 m Station 4 Station 5 Station 3 Total length max 300 m Active Hub ...

Page 53: ...ware 1 53 System data AC500 Issued 05 2007 Wiring Bus cable Cable RG 62 A U e g Lapp Kabel Stuttgart Telephone 0711 7838 0 Plugs for bus cable BNC plugs 75 Ω Order No B 9005 BNC T plug 75 Ω OrderNo B 9083 BNC termination 93 Ω Order No B 9093 Rufenach Vertriebs GmbH Heidelberg Telephon 49 6221 8443 0 Telefax 49 6221 8443 99 ...

Page 54: ... as possible in particular the earthing conductors Use large conductor cross sections in particular for the earthing conductors Create low impedance i e good and large sized contacts in particular for the earthing conductors In particular vibration resistant connections clean metallic contact areas remove paint clean surfaces if possible do not use aluminium parts they oxidize solid plug and screw...

Page 55: ...y with a clip when entering the switch gear cabinet Do not cut the shield until the cable reaches the module connected The connection between the PE bar and the shield bar must have a low impedance Switch gear cabinet The connections between the switch gear cabinet the mounting plates the PE bar and the shield bar must have a low impedance Earth the switch gear cabinet doors with short and highly ...

Page 56: ...ufficient Equipotential bondings and shielded signal cables should be laid close to each other This prevents coming up inductive loops in which disturbances could be induced Equipotential bondings must be connected to PE with low impedance DX522 DC532 DX522 DC532 AC500 S500 24V DC PE Cabinet 1 Cabinet 2 24V DC PE 3 7 10 11 6 5 5 8 9 9 11 DIN rail 1 24V power supply FBP 2 Power supply for the CPU 6...

Page 57: ...potential bonding and cable routing Product Main power supply Voltage V DC Current consump tion in A Melting integral in A s Process voltage UP Voltage V DC Current consump tion in A Melting integral in A s CPUs PM571 PM571 ETH PM581 PM581 ETH PM581 ARCNET PM582 PM582 ETH PM591 PM591 ETH PM591 ARCNET Terminals L and M 24 0 050 0 110 0 050 0 110 0 050 0 110 0 090 0 150 1 Communication modules coupl...

Page 58: ... well as the required Terminal Bases and Terminal Units Remark Because of the high total current consumption of the digital I O modules from UP 24 DC the supply is divided up into several electric circuits fused separately The maximum permitted total current over the supply terminals of the I O Terminal Units is 8 A The total current can be calculated as follows ITotal ICLUSTER IUP with the follow...

Page 59: ... A AX522 0 002 A 0 100 A 0 080 A DC522 0 002 A 0 050 A 8 000 A DC523 0 002 A 0 050 A 8 000 A DC532 0 002 A 0 050 A 8 000 A Sums 0 110 A 0 235 A 0 014 A 0 650 A 24 320 A V V ICLUSTER 0 359 A IUP 24 970 A V ITotal 25 329 A The maximum permitted total current over the supply terminals of the I O Terminal Units is 8 A Dimensioning of the fuses To be able to select the fuses for the station correctly b...

Page 60: ...____________________________________________________________________________________________________________ V2 AC500 Hardware 1 60 System data AC500 Issued 05 2007 ...

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