Data sheet DB EN IL MOD BK DI8 DO4-PAC
Contents
1. 8 IL MOD BK DI8 DO4 PAC Notes on using the terminal in potentially explosive areas WARNING Explosion hazard Before startup ensure that the following points and instructions have been observed Approval according to EC directive 94 9 II 3G Ex nA IIC T4 X Installation notes 1 2 This Inline terminal can be installed in zone 2 The Inline terminal must only be installed operated and maintained by qualified personnel Please follow the installation instructions given in the IL SYS INST UM E user manual and the package slip When installing and operating the device the applicable safety directives including national safety directives accident prevention regulations as well as general technical regulations must be observed Please refer to the corresponding documentation user manual data sheet package slip and the certificates EC type examination and other approvals if applicable for safety related data It is not permitted to access the circuits inside the Inline terminal Do not repair the Inline terminal by yourself but replace it with a terminal of the same type Repairs may only be carried out by the manufacturer IP20 EN 60529 protection of the device is provided for a clean and dry environment Do not subject the Inline terminal to mechanical strain and or thermal loads which exceed the limits specified in the product documentation The Inline terminal has not been designed for use i2. Factory plug and play mode configuration P amp P Position 3 P amp P ON default Position 4 P amp P OFF Position 0 1200 Position 1 2400 Position 2 4800 Position 3 9600 Position 4 19200 default Position 5 38400 Position 6 57600 Position 7 115200 Position 0 7 bits Position 1 8 bits default Position 0 None Position 1 Even default Position 2 Odd Position 14 stop bits Position 0 1 bit default Position 1 2 bits Position 15 watchdog Position 0 ON default Position 1 OFF Position 11 baud rate Position 12 data bits Position 13 parity By default upon delivery as well as after a reset to factory configuration the parameters labeled default in the table are set In the event of a power on reset voltage reset only the set operating parameter is read in and stored To set several parameters this procedure must be repeated for each individual parameter While reading in a parameter the watchdog LED flashes quickly 2 Hz If the parameter has been accepted the watchdog LED flashes slowly 0 5 Hz If the parameter is invalid the watchdog LED flashes very quickly 5 Hz Example The following is to be set Plug and play OFF and ASCII e Set Plug and play OFF first e Execute a voltage reset e After the parameter has been accepted set ASCII e Execute a voltage reset again PHOENIX CONTACT 12 IL MOD BK DI8 DO4 PAC 10 3 Parameterizing the IL M
3. Firmware services and error messages user manual Hardware and firmware manual for the FL IL 24 BK FL IL 24 BK PAC Ethernet Inline bus terminal user manual 7258 en_03 Type SUBCON PLUS MODBUS IL BK IL BKDIO PLSET Type CLIPFIX 35 5 E AL NS 35 IL CP ZB 6 see CLIPLINE catalog ZB 12 see CLIPLINE catalog NS 35 7 5 PERF NS 35 7 5 UNPERF Type AH IL BK IO LIST IL SYS INST UME AH EN IL EX ZONE 2 IBS SYS PCP G4 UME IBS SYS FW G4 UME FL IL 24 BK PAC UME IL MOD BK DI8 DO4 PAC Order No Pcs Pkt 2878696 1 Order No Pcs Pkt Order No Pcs Pkt 2310808 1 2778599 1 Order No Pcs Pkt 3022276 50 1201662 10 2878696 100 0801733 1 0801681 1 Order No Pcs Pkt 9015358 1 2698737 1 7217 1 2745169 1 2745185 1 9014205 1 PHOENIX CONTACT 3 3 Technical data General data Housing dimensions width x height x depth Weight Ambient temperatures operation Ambient temperature storage Humidity operation storage transport Air pressure operation storage transport Degree of protection Protection class Response time aligned I Os Connection data Designation Connection method Conductor cross section Conductor cross section AWG Interface Inline local bus Connection method Transmission speed Interface Modbus Connection method Number of positions Transmission speed System data of the bus coupler Number of supported devices Number of connectable local bus devices Number
4. 2 A flowing through potential jumper U is not exceeded PHOENIX CONTACT 11 9 Startup Default upon delivery default settings By default upon delivery the following functions and features are available Configuration of the RS 485 interface Transmission mode RTU Baud rate 19200 bps Data bits 8 Parity Even Stop bits 1 Modbus telegram watchdog 10000 ms connection monitoring Plug and play mode Enabled Fault response mode Reset fault mode 10 Hardware configuration 10 1 Address setting The address is set using two rotary encoding switches The left switch is used to set the position in tens and the right switch is used to set the position in units Addresses can be set between 1 and 99 The figure shows the address setting 74 Figure 6 ADDRESS rotary encoding switches A valid address is applied on power up It cannot be modified during operation 10 2 Parameterization via rotary encoding switches In addition to the address various operating parameters can also be set via these rotary encoding switches The operating parameters are only read in following a power on 7258_en_03 IL MOD BK DI8 DO4 PAC reset Parameter setting mode is assumed when the address switch for tens is set to a position that is not assigned to an address i e 2 10 Tens switch x10 Units switch x1 Position 10 Position 0 RTU default Transmission mode Position 1 ASCII factory configuration Position 2
5. ETH BK MODBUS RTU ASCII ADDRESS o o 14 2 say HWE OE XS N 10 16 a 8 98 x10 x1 Oo Ol Ol JE o0 o0 og Ol 18888888 I A a02 Modbus register location of process data DATA IN Address 0000 mra Address 0001 C rra Address 0002 r a aoned Address 0192 Al Byte oriented Address 0193 C o a Address 0194 Address 0195 tema lt DI _ Bit oriented Address 0196 Address 0197 DATA OUT Address 0384 ee Address 0385 DO Bitoriented address 0386 Byte oriented Address 0576 a Address 0577 Address 0578 Address 0579 Address 0580 Address 0581 Address 0582 7275C015 Figure 10 Example for the location of process data in static tables 7258 en_03 PHOENIX CONTACT 23 IL MOD BK DI8 DO4 PAC Dynamic table For dynamic tables there is no fixed assignment of the register areas Depending on the structure of the Inline station the following general order of the process data applies DATA IN bit oriented DATA IN byte oriented DATA OUT bit oriented DATA OUT byte oriented Modbus register tab
6. can be acknowledged by setting bit 1 in the command word If the Net Fail has been acknowledged successfully bit 1 is reset to zero If a peripheral fault occurred it can be acknowledged by setting bit 2 in the command word If the peripheral fault has been acknowledged successfully bit 2 is reset to 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 4 0 Reserved bits Clear peripheral fault Clear Net Fail Plug and play 61560030 Figure 12 Command word 7258_en_03 Status register status word 7996 Only the two least significant bits have a function If bit 0 0 this means that an error e g a bus error has occurred If bit O 1 no error has occurred Bit 1 indicates whether a Net Fail occurred bit 1 1 or not bit 1 0 This results in the following values for the status word 0 An error occurred e g bus error 1 No error occurred 2 A Net Fail occurred 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Figure 13 Status word PHOENIX CONTACT 26 Local bus diagnostic status register 7997 Each bit in the local bus diagnostic status register is assigned a state of the local bus master on the bus coupler The states in the error bits USER PF BUS CTRL are described in greater detail using the diagnostic parameter register Whenever one of the error bits described above is set the diagnostic parameter register is rewritten Otherwise the diagnostic parameter register ha
7. please visit www phoenixcontact net download 7258 en_03 IL MOD BK DI8 DO4 PAC Criterion B 6 kV contact discharge 8 kV air discharge Criterion A Field strength 10 V m Criterion A All interfaces 1 kV Criterion B All interfaces 2 kV Criterion B DC supply lines 0 5 kV 1 kV symmetrical asymmetrical Fieldbus cable shielding 1 kV Criterion A Test voltage 10 V Class A PHOENIX CONTACT 6 IL MOD BK DI8 DO4 PAC 4 Basic circuit diagram Modbus interface 7258C004 Figure 1 Basic circuit diagram for the bus coupler The gray areas in the basic circuit diagram represent the electrically isolated areas Protocol chip A Modbus interface B Logic Key acy Optocoupler C I O m m Microprocessor Power supply unit with electrical isolation RS 485 interface driver with electrical isolation PNP transistor Al 7258_en_03 PHOENIX CONTACT T IL MOD BK DI8 DO4 PAC 5 Local diagnostic and status indicators MODBUS PWR Figure 2 Indicators on the bus coupler LED Golor Weaning Stato Description ofthe LED states UL ogic 24 V bus coupler supply 7 5 V communications power present OFF OFF 24 V bus coupler supply 7 5 V communications power not present US Green Uscom ni 24 V segment circuit supply present OFF 24 V segment circuit supply not present Gaal Sen See Men pee a0 sip tpg TR Yellow TRaffic Data exchange at the RTU ASCIl interface OFF No data exchan
8. 0 high Register address low Register address low 00 igh Register value high Register value low Register value high Register value low 7258 en_03 PHOENIX CONTACT 20 IL MOD BK DI8 DO4 PAC Function code fc15 Request PDU 1 byte Start address 2 bytes O000ney FFFFrex Number of outputs 2 bytes 0001 hex 07BOhex Byte counter byte Outpt vale Nxtbye SS Number of outputs 8 if the remainder is gt 0 N N 1 Response PDU Start address 0000pex FFFF nex Number of outputs 2 bytes 0001 hex 07BOhex Error 1 byte Exception code 1 byte 01 or 02 or 03 or 04 Example for a request to write a series of 10 outputs starting with output 20 The data contains two bytes The binary values are assigned to the outputs as follows E o e oe Output 27 26 25 24 23 22 21 20 2 28 The first transmitted byte CDhex addresses outputs 27 to 30 whereby the LSB in this setting addresses output 20 The next transmitted byte O1hex addresses outputs 29 and 28 whereby the LSB in this setting addresses output 28 In the last data byte unused bits should be filled with zeros Start address igh 00 _ Startaddress righ o Number of outputs high 00 Number of outputs igh 00 7258_en_03 PHOENIX CONTACT 21 Function code fc16 Request 1 byte Start address 2 bytes O000hey FFFFrex Number of registers 2 bytes 0001he 0078hex Byte counter 1 by
9. IL MOD BK DI8 DO4 PAC Inline bus coupler for Modbus with eight digital inputs and four digital outputs AUTOMATION Data sheet 7258 _en_03 1 Description The bus coupler is the link between the Modbus RTU ASCII system and the Inline installation system Up to 61 Inline terminals can be connected in any position to an existing Modbus RTU ASCII system using the bus coupler The bus coupler and the Inline terminals form one station with a maximum of 63 local bus devices Here the inputs and outputs of the bus coupler together form the first and second local bus devices Up to eight PCP devices can be operated on the bus coupler PHOENIX CONTACT 09 2009 Features Modbus RTU ASCII Modbus connection via 9 pos D SUB female connector Interface physics RS 485 for Modbus Electrical isolation of Modbus interface and logic Data transmission speed of 1 2 kbps to 115 2 kbps configurable Rotary encoding switches for setting the Modbus address and for configuration Supported Modbus addresses 1 to 99 Up to 8 PCP devices can be connected Eight digital inputs Four digital outputs Diagnostic and status LEDs Automatic baud rate detection on the local bus 500 kbps or 2 Mbps WARNING Explosion hazard when used in potentially explosive areas When using the terminal in potentially explosive areas observe the corresponding notes on page 11 Make sure you always use the latest documentation It can be downl
10. ION FOSISLONS aseene tee mipaterner a e earn Cree E osc eee 9 6 3 Terminal point assignment of input ANd output CONNECHOSS ccccceeeceecceeeeeceaeeeeeeseeeeeseaeeeeseaaeeeeesaanaeeees 10 CONNECTION EXAMP Eai mein aa ere ari er ar keen eee np eens eh Me ec ee eens cee ee ee 10 Notes on using the terminal in potentially explosive areas ccccceeccecceeeceeeeeeseeeeeeaeeeeeeeeeneeees 11 BS eM UNIO AE E EIE E E EE E E EES assed A E ET ees EE EEE 12 LO Haraware COMnMQUEANOM rearen i E atcan verter 12 10 1 Address seting e nsiecsenne sne n e e a a a a a gyveaaedabelaueeeedtel 12 10 2 Parameterization via rotary encoding SWILCNES cece tee e eee ee eee eee e seers eae eee sada eeesaneeeeaas 12 10 3 Parameterizing the IL MOD BK DI8 DO4 PAC via Modbus registers ccccceeeeeeeeeeeeeeeeeeeeeeeeaaeeeeeeeeenaas 13 10 4 Modbus telegram watchdog CONNECTION MONILOLING cccececeeeeeeee eee eeeeeeeeeeeeaeeeeeeeeeaaaaeeeeeeeaaeeeeeeeeaaaaaees 14 10 55 Pigandplay ModE si225 seach vecladesat ein casciude ia desea datteteceteetlanaleautidvaa Ieee a A sare 14 TE NDODUS D OOC Ol sasaaa enc atca beauden A E E datas 15 12 MOaDUSTUNCIONS cesme n E ace Oat ataaes 16 13 Examples for Modbus FUNCTIONS cece ceecceeececceece cece ceceeecaeeceeecaeecaeecaeeseeeseesseeeauesauesauesseeess 17 TA MOODUSTA DIE aE a tad breadisenie E aacenianis ieee E A 23 WAS PrOcCeS Sda Teine ee E E E separa nice iane tess 23
11. OD BK DI8 DO4 PAC via Modbus registers In addition to the described setting options using rotary encoding switches the configuration can be modified via the Modbus registers 2100 16 bit word Transmission mode 0 RTU default 1 ASCII 2101 16 bit word Baud rate 0 1200 1 2400 2 4800 3 9600 4 19200 default 5 38400 6 57600 7 115200 2102 16 bit word Data bits 0 7 bits 1 8 bits default 2103 16 bit word Parity 0 None 1 Even default 2 Odd 2104 16 bit word Stop bits 0 1 bit default 1 2 bits 1280 16 bit word Watchdog 0 Watchdog deactivated 200 ms to 65000 ms 1 ms steps 10000 ms default 2002 16 bit word Fault response mode 0 Standard fault mode 1 Reset fault mode default 2006 16 bit word Command register 1 Enable plug and play mode default 0 Disable plug and play mode The new parameters are applied following a positive response This response is transmitted again with the old parameters The next request is then made with the new parameters Default values 19200 baud 8 data bits even parity 1 stop bit 10000 ms watchdog Following a power up the last valid parameter record applies a When the baud rate changes the RTU framing also changes by default i e times t 1 5 and t 3 5 are adjusted t 1 5 Maximum permissible gap between the bytes of a Modbus telegram t 3 5 Minimum pause between two Modbus telegrams Detailed information can be found at
12. TAZ Special registar S ea a a a a ae ae 25 T3 DesciptionorspecialrsgiStelS secs a E 25 7258_en_03 PHOENIX CONTACT 2 2 Ordering data Product Description Inline bus coupler for Modbus RTU ASCIl with eight digital inputs and four digital outputs complete with accessories end plate Inline connector and labeling fields Accessories Additional system components Description Type IL MOD BK DI8 DO4 PAC Type FO interface converters for fiber optic data conversion and transmission see INTERFACE catalog Power supply units for supplying the bus coupler see INTERFACE catalog Accessories Connectors Description SUBCON connector Connector set for Inline bus coupler with aligned I Os as replacement item Accessories Other Description Quick mounting end clamp for securing the module Inline station on the DIN rail for a horizontal mounting position to the right and left of the module Inline station End clamp for securing the module the Inline station on the DIN rail for a vertical mounting position above and below the module Inline station Keying profile Zack marker strip to label the terminals DIN EN 50022 DIN rail 2 meters Documentation Description I O terminals at bus couplers application note Automation terminals of the Inline product range user manual Inline terminals for use in zone 2 potentially explosive areas application note Peripherals Communication Protocol PCP user manual
13. aracters CR LF The transmitted characters comprise the ASCII code and transmission consist of 1 byte each The frame start and end CR LF are specified using The advantage the ASCII transmission mode offers over the special characters Gaps between the bytes of a frame are RTU transmission mode is non time critical data not important 12 Modbus functions The Modbus protocol functions determine whether data is to be written or read and what type of data is involved The following Modbus functions are supported Write multiple coils Write multiple digital outputs Write multiple registers Write multiple output registers For additional information about Modbus functions please refer to the FL IL 24 BK PAC UM E user manual 7258 en_03 PHOENIX CONTACT 16 13 Examples for Modbus functions Function code fc1 Request 1 byte Start address 0000pex FFFF nex Number of outputs 1 2000 7D0hex Response byte Number of bytes T byie Output status N Number of outputs 8 if the remainder is gt 0 N N 1 Error Tye Function code Spa Exception code 01 or 02 or 03 or 04 Example for a request to read digital outputs 20 38 38 IL MOD BK DI8 DO4 PAC Start address high Number of bytes low Start address low Output status 27 20 Number of outputs high 00 Output status 35 28 Number of outputs low Output status 38 36 Function code fc2 Request Start addre
14. e pin DGND reference potential to 5 V assignment please refer to the figure and the table 6e VCC Reserved cable A o Reseved SSOS S S aa RxD TxD N receive transmit data 6 2 Mains termination resistors The use of this SUBCON connector ensures that the cable termination meets the Modbus RTU ASCIlI specification SNaddoW 7258B002 Figure 3 Pin assignment of the 9 pos D SUB female connector Pin Reserved Reserved 3 RxD TxD P receive transmit data cable B 7258 _en_03 PHOENIX CONTACT 9 6 3 Terminal point assignment of input and output connectors O1 11 12 AC eee re a ardu Sl at pE V pof 12 66L 22 12 0 22 3 2 J6 4 2 PI Po PI 1 3 5512 3 1385 23 338 5 4 3 PY Po Dc WISH 24 1 4 55L 24 34th 44 Po Pe Po 1 2 3 4 Figure 4 Terminal point assignment Terminal point assignment of the power connector 1 ponte ee cite e points points ground FE ground FE Terminal point assignment of the output connector 2 ponte me cite Se points points 4 Terminal point assignment of the input connector 3 Terminal Terminal a points Terminal point assignment of the input connector 4 Terminal Terminal points points 7258 en_03 IL MOD BK DI8 DO4 PAC 7 Connection example PWR DO4 DI4 DI4 1 2 3 4 a UJU z TTF i Modbus 7258A005 Figure 5 Connection example PHOENIX CONTACT 10
15. er of input registers Error moye Exception code 01 or 02 or 03 or 04 Example for a request to read input register 9 Request Field name Function 01 Start address high Number of bytes Start address low Input register 9 high Number of input registers hi Input register 9 low h Number of input registers hi gh gh Function code fc5 Request Function code 1 byte Output address 2 bytes 0000hex FFFFhex Output value 0000hex FFOOhex Response Function code 1 byte Output address 2 bytes 0000hex FFFFhex Output value 2 bytes 0000hex FFOOhex Error 1 byte Exception code 01 or 02 or 03 or 04 7258_en_03 Response IL MOD BK DI8 DO4 PAC PHOENIX CONTACT 19 IL MOD BK DI8 DO4 PAC Example for a request to write output 173 ON Request Field name Function Output address high 00 Output address high Output address low Output address low igh 5 C Output value high Output value high Output value low Output value low Request Function code 1 byte Register address 2 bytes 0000hex FFFFhex Register value 2 bytes 0000pex FFFFhex Function code fc6 Response Function code 1 byte Register address 2 bytes O000he FFFFrex Register value 2bytes 0000be FFFFnex Error Exception code 1 byte 01 or 02 or 03 or 04 Example for a request to write register 2 to 0003hex Register address high 0
16. ge at the RTU ASCIl interface CO COnfiguration The active station configuration differs from the saved configuration The active station configuration matches the saved configuration WD WatchDog ON Time between two Modbus telegrams exceeded during active connection monitoring Modbus telegram watchdog Flashing On power on reset at 2 Hz Reading in new parameters Flashing On power on reset at0 5 Hz Parameters transferred successfully Flashing On power on reset at 5 Hz Parameters not transferred FF No error 7258 _en_03 PHOENIX CONTACT 8 IL MOD BK DI8 DO4 PAC LED Color Meaning State Description of the LED states Green Diagnostics Data transmission active within the station at 0 5 Hz b p had Error ON __ Short circuit overload of local outputs No short circuit overload of local outputs Yellow Output 1 Outputs are active Outputs are not active Yellow Input 1 to Inputs are active input 8 Inputs are not active Error message sent to the higher level control system Sensor supply not present peripheral fault Short circuit overload at an output peripheral fault See also Local bus diagnostic status register 7997 on page 27 6 Connecting Modbus power supply actuators and sensors 6 1 Connecting Modbus CNTR P control signal for repeater Connect Modbus to the bus coupler using a 9 pos D SUB direction control connector see Ordering data on page 3 For th
17. le Internal IL MOD BK tables Function codes that can be used 8000 8192 16 bit word Dynamic process data table fc2 to fc16 Assignment of the process data in dynamic tables XxX a IL Lu 2 Q PH NIX CONTACT IL MOD BK DI8 DO4 PAC Order No 2878696 MODBUS RTU ASCII ADDRESS o 0 14a EES E GE 106 OKA 8 98 x10 x1 Modbus register location of process data DATA IN Address 8000 C merra P Address 8001 rrr a DI Bit oriented Address 8002 ori Address 8003 Al Byte oriented 2 Address 8004 Address 8005 Address 8006 Address 8007 D a A Channell2 status POX XXX PK XX XXX XX Address 8008 Channel status DATA OUT Address 8009 C T xxx Address 8010 L330 _DO Bitoriented address 8011 AO _ Byte oriented Address 8012 Address 8013 Address 8014 Address 8015 Address 8016 Address 8017 Address 8018 Figure 11 Example for the location of process data in dynamic tables 72750014 7258 en_03 PHOENIX CONTACT 24 14 2 Special registers Modbus register table IL MOD BK DI8 DO4 PAC Internal IL MOD BK tables 1280 16 bit word Read write Modbus
18. ly started up if the configuration of the connected bus matches the saved configuration If plug and play mode is enabled the writing of process data is rejected by an exception Read access to the process data is possible PHOENIX CONTACT 14 11 Modbus protocol Additional PDU ADU 7258A018 Figure 7 Modbus protocol Key PDU Protocol data unit ADU Application data unit protocol frame The Modbus application protocol is created by the client that initiates a Modbus transmission The function code field of the protocol 1 byte informs the server of which action it is to perform The data fields of messages which are sent from a client to a server contain additional information that the server uses in order to perform the action specified by the function code field This includes e g digital addresses and register addresses the number of units to be managed and the number of actual data bytes Client Server Initiate Request Perform the Action Initiate the Response Receive the Response 7258A016 Figure 8 Modbus transmission without errors Key Client Control system Server Modbus devices If no error occurs in a correctly received Modbus protocol for the requested Modbus function the data field for aresponse from a server to a client contains the requested data When the server responds to the client it uses the function code field to indicate either a normal error free respo
19. mited to 3 mA maximum 1 2 ms typical 100 m 4 2 and 3 wire technology 24 V DC lt 1V 0 5A 2A 12W 12W 12 VA 1 2 H 0 5 Hz 1 2 H maximum 1 2 ms typical Auto restart Output may be damaged Protected against reverse voltages IL MOD BK DI8 DO4 PAC Protected against reverse voltages permissible current 2 A maximum The output follows the supply voltage without delay 30 0 V approximately 10 WA When not loaded a voltage can be measured even at an output that is not set Suppressor diode parallel to supply voltage Diode for protection against polarity reversal Free running circuit Error messages to the higher level control or computer system Short circuit overload of the digital outputs Sensor supply not present Mechanical tests Vibration resistance according to IEC 60068 2 6 Shock test according to IEC 60068 2 27 7258 en_03 Yes Yes 5g Operation 25g 11 ms period half sine shock pulse PHOENIX CONTACT 5 Conformance with EMC directive 2004 108 EC Noise immunity test according to EN 61000 6 2 Electrostatic discharge ESD EN 61000 4 2 IEC 61000 4 2 Electromagnetic fields EN 61000 4 3 IEC 61000 4 3 Fast transients burst EN 61000 4 4 IEC 61000 4 4 Surge voltage EN 61000 4 5 IEC 61000 4 5 Conducted interference EN 61000 4 6 IEC 61000 4 6 Noise emission test according to EN 61000 6 4 Noise emission of housing EN 55011 Approvals For the latest approvals
20. n potentially dust explosive atmospheres 7258 en_03 Installation in zone 2 1 Observe the specified conditions for use in potentially explosive areas When installing the terminal use an appropriate and approved housing with a minimum protection of IP54 Please observe the EN 60079 14 requirements e g a steel housing with a wall thickness of 3 mm In potentially explosive areas only snap the Inline terminal onto the rail and connect the cables when the power is switched off In zone 2 only connect devices to the supply and signal circuits that are suitable for operation in potentially explosive areas of zone 2 and the conditions at the installation location Restrictions limit values 1 Only Inline terminals that are approved for use in potentially explosive areas may be snapped next to this Inline terminal Before using an Inline terminal in a zone 2 potentially explosive area first check that the terminal has been approved for installation in this area For a list of terminals that are approved for the potentially explosive areas of zone 2 please refer to the AH EN IL EX ZONE 2 application note Please make sure that the maximum permissible current of 4 A flowing through potential jumpers Um and Us total current is not exceeded when using the Inline terminals in potentially explosive areas The supply of Up and Us at the bus coupler must not exceed 4 A Also ensure that the maximum permissible current of
21. n registers are supported PHOENIX CONTACT 27 PCP registers Communi cation reference 7258 en_03 Communi cation register Configura tion register 6021 6022 6023 6024 6029 6031 ndex 6032 Subindex 6033 Invoke ID 6034 6039 Reserved 6041 Index Subindex Invoke ID Reserved ndex 6042 Subindex 6043 Invoke ID 6044 6049 Reserved 6051 Subindex Invoke ID Reserved Co Index Subindex Invoke ID Reserved ME 6071 ndex 6071 Index 54 6059 9 6072 Subindex 6073 Invoke ID 60724 6079 Reserved 6081 Index 84 6089 4 6099 6082 Subindex 6083 Invoke ID 60 Reserved 6091 Index 6092 Subindex 6093 Invoke ID Reserved IL MOD BK DI8 DO4 PAC Example In order to read object 5FEO of an IB IL RS 232 with communication reference 4 first set the configuration registers 6041 6043 to the desired values with the FC 16 command e g 6041 index 5FEOhex 6042 subindex Oney 6043 invoke ID Ope The fc3 command can then be used to read 29 words via communication register 6040 A Modbus function is only ever used for read write access to a PCP index For example the f 3 command cannot be used to read 20 words from registers 6020 to 6039 The communication register contains a different value range due to the selected values of the register and the terminal used Therefore the IB IL RS 232 terminal for example has three different PCP objects
22. nds on the set fault response mode By default upon delivery the fault response mode is set to reset fault mode For reset fault mode the following applies Set digital outputs to zero Freeze analog outputs Watchdog LED ON 7258 en_03 Special feature when disabling the watchdog via write access to register 1280 Settings modified by write access disable watchdog modify monitoring time are only applied following a power up reset Watchdog activation via register 1280 is applied immediately during operation PHOENIX CONTACT 25 Fault response mode 2002 IL MOD BK DI8 DO4 PAC Faultresponsemode Value Function Standard fault mode 0 All outputs are set to 0 Reset fault mode default I The digital outputs are set to 0 and the analog outputs are held at the last value Hold last state mode 2 All outputs are held at their last value Net Fail reason 2004 This register can be used to read the reason after the Net Fail signal has been triggered For the IL MOD BK DI8 DO4 PAC there can only be one reason the connection monitoring watchdog has failed In Net Fail Reason register 2004 the value 000D appears Command register Command word 2006 Activation deactivation of plug and play mode is performed in the least significant bit of the command word Bit 0 0 gt plug and play mode deactivated bit 0 1 gt plug and play mode activated If a Net Fail occurred it
23. nse or to indicate an error this is also known as an exception response For a normal response the server returns the original function code to the request 7258 en_03 IL MOD BK DI8 DO4 PAC Client Server Initiate Request Error Detected in the Action Initiate an Error 7258A017 Receive the Response Figure 9 Modbus transmission exception response Key Client Control system Server Modbus devices For an exception response the server returns a code that corresponds to the original function code of the request PDU whereby the MSB is set to logic 1 There are two different transmission modes RTU and ASCII Both differ in terms of the type and form of information represented in a telegram In a Modbus network each device must have the same transmission mode Modbus RTU Modbus RTU telegrams consist of the following parts Station CRC address 0 252 bytes Modbus RTU telegrams are separated by breaks known as end of frame times The time is at least 3 5 times the time of a sent character It cannot be adjusted The advantage the RTU transmission mode offers over the ASCIl transmission mode is a higher data throughput with the same baud rate PHOENIX CONTACT 15 IL MOD BK DI8 DO4 PAC Modbus ASCII Modbus ASCII telegrams consist of the following parts Stan Station address Function Daa Rc mD 1 character 2 characters 2 characters 0 2 x 252 2 characters 2 characters ch
24. oaded at www phoenixcontact net download DO dD O 0 cD ED o dD o oE hiona INSPIRING INNOVATIONS IL MOD BK DI8 DO4 PAC The intelligent wiring method used by Inline terminals operating voltages for the bus coupler and the connected enables the station to be created quickly and easily since Inline terminals e g time consuming wiring of the terminal power supply is The end plate is supplied with the bus coupler Place this not required plate at the end of the Inline station The end plate has no In the simplest case it is only necessary for the power electrical function It protects the station from ESD pulses supply units integrated in the bus coupler to be supplied with and the user from dangerous contact voltage 24 V DC on the input side They then generate the required Table of contents T WIGS CHOU O Iactattce aes thce he neet neetenstoones Ea E T 1 2 OPOS ING sCla tatnsacace laste tanteca abana ia setsnte E AS 3 S IOC IAM CAN CALA ninna aa Gat meas aeeigc es ace ena a anee et enuuauiarenetot ee eaptae 4 A NS aSIG CIFCUI QIAG aN si a a a a lena radinawemneiedousiae 7 5 LOGal GlagnOsiG and Status Indicators wel cineioictiuiastadietnseniasitabanetieiedeealecasasabdeiatemeveeentiane baton 8 6 Connecting Modbus power supply actuators ANd SENSOIMS ccccccceecceeeeceeeeeeeeceeeseueeeeesaees 9 6 1 COMME CHING MODUS niiret aac anita ie cos dura Save N Gace ant Ie c qaauead adnate A 9 602 Mais TOMIMIMA T
25. of devices with parameter channel PCP Supply voltage for Ugx Us Um Recommended cable lengths Continuation Nominal value Permissible range according to EN 61131 2 IL MOD BK DI8 DO4 PAC 80 mm x 119 8 mm x 71 5 mm 320 g with connectors 25 C 60 C 45 C 85 C 10 95 according to DIN EN 61131 2 70 kPa to 106 kPa up to 3000 m above sea level IP20 Class Ill according to EN 61131 2 IEC 61131 2 4 ms typical Inline I O connector Spring cage connection 0 08 mm 1 5 mm solid or stranded 28 16 AWG 28 16 Inline data jumpers 500 kbps 2 Mbps automatic detection no combined system 9 pos D SUB female connector electrically isolated supply shielding directly connected to functional earth ground 9 1 2 kbps to 115 2 kbps configurable 63 maximum per station 61 maximum on board I Os are two devices 8 maximum 30 m maximum do not route cable through outdoor areas Through potential routing 24V DC 19 2 V to 30 V ripple included NOTE Electronics may be damaged when overloaded Provide external fuses for the 24 V areas UL US and UM The power supply unit must be able to supply four times the nominal current of the external fuse to ensure that it trips in the event of an error Communications power U 7 5 V and the analog supply U ana 24 V are generated from the bus coupler supply Upx Power consumption Current consumption from U 7 5 V Current cons
26. s the value 0000hex Bit Constant Meaning 0 USER_BIT Application program eror peripheral fault 4 DETECT BIT Error localization LOOK FOR FAIL RUN_ BIT Exchanging data cycles 6 ACTIVE_BIT Local bus master ACTIVE 7 READY_BIT Local bus master READY selftest completed Local bus diagnostic parameter register 1 7998 For detected local bus errors the local bus diagnostic parameter register contains the error location Error location e g device number 0 3 Device number of a device e g 0 3 for bus segment O device 3 Segment number Position in the segment 7275a007 Figure 14 Contents of the local bus diagnostic parameter register example Local bus diagnostic parameter register 2 7999 Local bus diagnostic parameter register 2 contains additional information about the error codes For additional information about local bus diagnostics please refer to the IBS SYS FW G4 UM E user manual 7258 en_03 IL MOD BK DI8 DO4 PAC PCP registers 6020 6093 The PCP registers are divided into two classes 1 Communication registers for exchanging data with the desired PCP device 2 Configuration registers for selecting the invoke ID index and subindex of the PCP device For additional information about PCP communication please refer to the IBS SYS PCP G4 UM E user manual The terminal supports eight PCP devices therefore eight communication registers and 24 configuratio
27. ss 2 bytes 0000h x FFFFhex Number of outputs 1 2000 7D0 hex Response Tovo Number of bytes T byie Output status SES SS N Number of inputs 8 if the remainder is gt 0 N N 1 Error Error code byte 82hex Modbus Application Protocol Specification V1 1a Exception code 01 or 02 or 03 or 04 7258 en_03 PHOENIX CONTACT 17 IL MOD BK DI8 DO4 PAC Example for a request to read digital inputs 197 218 Start adcress thon 00 Number ofbytes Number ofinputs high 00 _ inputstatus 95 28 Function code fc3 Request O3hox Start address 2 bytes 0000pex FFFFhex Number of registers 2 bytes 1 125 7Dhex Response Number of bytes Tbyie Register values waoe SSS N Number of registers Error Exception code 1 byte 01 or 02 or 03 or 04 Example for a request to read registers 108 110 Startadress ton 00 _ Numberofbyies Star address ow 6B Register value igh 108 Register number high 00 Register value ow 108 Register number ow 03 Register value high 109 00 Register value low 108 00 o Register value high 110 Register value low 110 7258_en_03 PHOENIX CONTACT 18 Function code fc4 Request 1 byte Start address 0000hex FFFF nex Number of input registers 0001 hex 007 Dhex Response 1 byte Number of bytes T byie input registers Nx2bye SSS S N Numb
28. tary encoding switches on page 12 The switch position is mapped to the command register Modbus register 2006 see page 26 By default upon delivery P amp P mode is activated The P amp P mode status active or inactive is stored retentively on the bus coupler In P amp P mode the connected Inline terminals are detected and their function checked If this physical configuration is ready for operation it is stored retentively on the bus coupler as a reference configuration P amp P mode must be deactivated again so that the reference configuration is not overwritten the next time the bus coupler is started At the same time the deactivation of P amp P mode also acknowledges the reference configuration and enables process data exchange When P amp P mode is deactivated the reference configuration is Compared to the physical configuration If they are the same the bus coupler can be set to the RUN state Plug and play mode If the reference configuration and the physical configuration differ the CO LED lights up and process data exchange is no longer possible for safety reasons In order to operate the bus you have the following two options 1 Restore the original configuration so that the reference configuration and the physical configuration are the same again 2 Activate P amp P mode so that the active physical configuration is accepted as the reference configuration If plug and play mode is disabled the bus is on
29. te Register value NF x2 bytes N Number of registers Response Start address 2 bytes O000ney FFFFnex Number of registers 2 bytes 1 123 Z8hex Error byte Exception code 1 byte 01 or 02 or 03 or 04 Example for a request to write two registers starting with 2 to 000Ahex and 0102hex Response Field name Function Start aaress thon 00 Start address high Start address low Number of registers high 00 Number of registers high Number of registers low o Register value high Register value low Register value high Register value cm AN A low 7258_en_03 IL MOD BK DI8 DO4 PAC PHOENIX CONTACT 22 IL MOD BK DI8 DO4 PAC 14 Modbus tables 14 1 Process data The Modbus register tables provide information about the location of process data in the control system Generally the bit oriented process data appears first in the registers followed by the byte oriented process data Static table Modbus register table Digital Modbus Digital Modbus Internal IL MOD BK Function codes inputs table outputs table tables that can be used 0 191 16 bit word 0 3071 bits Digital inputs 192 385 Te bitword Analog inputs 384 575 16 bit word 0 3071 bits Digital outputs fc1 fc5 fc15 576 767 16 bit word Analog outputs fc3 fc6 fc16 Assignment of the process data in static tables MOD BK DO4 ETH BK DI8
30. telegram watchdog connection monitoring 1400 1463 16 bit word 2002 16 bit word Read write 2004 16 bit word 2006 16 bit word 2100 16 bit word 2101 16 bit word 2102 16 bit word Data bits 7 8 default 1 8 bits see table on page 13 2103 16 bit word Write default 10000 ms Read Up to 1400 Number of local bus devices Above 1401 ID code of the relevant device Read write Fault response mode default reset fault mode Net Fail reason Read write Command register command word Write Transmission mode RTU ASCII default 0 RTU mode see table on page 13 Baud rate 1200 115200 Default 4 19200 see table on page 13 Parity None even odd default 1 even parity see table on page 13 2104 16 bit word Stop bits 1 2 default 0 1 stop bit see table on page 13 6020 6093 16 bit word Write PCP mooo 14 3 Description of special registers Modbus telegram watchdog connection monitoring 1280 Valid values for the register are 0 200 ms to 65000 ms The watchdog monitors Modbus telegrams and is triggered each time a Modbus telegram is received correctly It can be enabled and disabled via the rotary encoding switches see Parameterization via rotary encoding switches on page 12 The time can be setvia register 1280 0 disabled 200 ms to 65000 ms Actions after triggering the watchdog The action taken when the watchdog is triggered depe
31. two objects are one word long but the third is 29 words long The three configuration registers can be read written with a single Modbus command An attempt to access a reserved register generates an exception response PHOENIX CONTACT GmbH amp Co KG 32823 Blomberg Germany Phone 49 0 5235 3 00 28 PHOENIX CONTACT P O Box 4100 Harrisburg PA 17111 0100 USA Phone 717 944 1300 www phoenixcontact com
32. umption from Us 24 V Current consumption from Uj 24 V Current consumption from Uana 24 V Power dissipation 7258 en_03 0 07 mA typical 0 8 A maximum 8 A maximum 8 A maximum 0 5 A maximum 1 7 W typical PHOENIX CONTACT 4 Digital inputs Number Connection method for sensors Input design Definition of switching thresholds Maximum low level voltage Minimum high level voltage Common potentials Nominal input voltage UIN Permissible range Nominal input current for Uin Current flow Response time Permissible cable length to the sensor Digital outputs Number Connection method for actuators Nominal output voltage Ugyut Differential voltage at lhom Nominal current lhom per channel Total current Nominal load Ohmic Lamp Inductive Switching frequency with nominal inductive load Response time Overload response Response with inductive overload Reverse voltage protection against short pulses Resistance to permanently applied reverse voltages Response upon power down Limitation of the voltage induced on circuit interruption Maximum output current when switched off Protection Supply Surge voltage polarity reversal Digital inputs Polarity reversal Digital outputs Short circuit protection overload protection 8 2 and 3 wire technology According to EN 61131 2 Type 1 Uimax lt 5 V Uumin gt 15 V Sensor supply Us ground 24 V DC 30 V lt Uj lt 30 V DC 3 mA typical Li
33. www modbus org 7258 en_03 PHOENIX CONTACT 13 10 4 Modbus telegram watchdog connection monitoring The watchdog monitors Modbus telegrams and is triggered each time a Modbus telegram is received correctly It can be enabled and disabled via the rotary encoding switches see Parameterization via rotary encoding switches on page 12 The time can be set via register 1280 0 disabled 200 ms to 65000 ms Actions after triggering the watchdog The action taken when the watchdog is triggered depends on the set fault response mode By default upon delivery the fault response mode is set to reset fault mode For reset fault mode the following applies Set digital outputs to zero Freeze analog outputs Watchdog LED ON Special feature when disabling the watchdog via write access to register 1280 Settings modified by write access disable watchdog modify monitoring time are only applied following a power up reset Watchdog activation via register 1280 is applied immediately during operation The Modbus telegram watchdog does not operate during plug and play mode 7258 en_03 IL MOD BK DI8 DO4 PAC 10 5 The IL MOD BK DI8 DO4 PAC supports plug and play mode P amp P This mode enables Inline terminals connected in the field to be started up using the bus coupler without a higher level computer P amp P mode can be enabled and disabled with the ADDRESS switches see Parameterization via ro
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