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WAGO 750-652, Manual

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WAGO-I/O-SYSTEM 750 

Use in Hazardous Environments 

67 

750-652 Serial Interface RS-232 / RS-485 

 

 

Manual 

 

Version 1.4.0  

 

 

10.2  Installation Regulations 

 

For the installation and operation of electrical equipment in hazardous areas, the 

valid national and international rules and regulations which are applicable at the 

installation location must be carefully followed. 

 

 

 

Summary of Contents for 750-652

Page 1: ...WAGO I O SYSTEM 750 Manual 750 652 Serial Interface RS 232 RS 485 Configurable Version 1 4 0...

Page 2: ...0 571 8 87 5 55 Fax 49 0 571 8 87 85 55 E Mail support wago com Every conceivable measure has been taken to ensure the accuracy and completeness of this documentation However as errors can never be f...

Page 3: ...2 Power Jumper Contacts Field Supply 20 3 2 3 CAGE CLAMP Connectors 22 3 3 Display Elements 23 3 4 Operating Elements 24 3 5 Schematic Diagram 24 3 6 Technical Data 25 3 6 1 Device Data 25 3 6 2 Supp...

Page 4: ...ize 48 8 1 4 Parameter Range 49 8 1 5 Setting the RS 232 RS 485 Serial Interface 50 8 2 Configuration and Parameterization via GSD for PROFIBUS DP and PROFINET IO 51 8 3 Data Transfer 51 8 3 1 Example...

Page 5: ...ding to ANSI ISA 12 12 01 72 11 Appendix 73 11 1 Configuration and Parameterization via GSD for PROFIBUS DP and PROFINET IO 73 11 1 1 Configuration of the RS 232 RS 485 Interface 73 11 1 1 1 PROFIBUS...

Page 6: ...information given in this documentation applies to listed variants The I O module 750 652 shall only be installed and operated according to the instructions in this manual and in the manual for the u...

Page 7: ...ates a moderate risk potentially hazardous situation which if not avoided could result in death or serious injury Personal Injury Indicates a low risk potentially hazardous situation which if not avoi...

Page 8: ...Documentation WAGO I O SYSTEM 750 750 652 Serial Interface RS 232 RS 485 Manual Version 1 4 0 Additional Information Refers to additional information which is not an integral part of this documentatio...

Page 9: ...ta files are marked in italic type e g C Program Files WAGO Software Menu Menu items are marked in bold letters e g Save A greater than sign between two names means the selection of a menu item from a...

Page 10: ...iliar with the current norms and guidelines for the devices and automated environments All changes to the coupler or controller should always be carried out by qualified personnel with sufficient skil...

Page 11: ...the system in a housing or switch cabinet 2 1 4 Technical Condition of Specified Devices The devices to be supplied ex works are equipped with hardware and software configurations which meet the indi...

Page 12: ...equipment and fixtures to authorized qualified staff only by means of specific keys or tools Replace defective or damaged devices Replace defective or damaged device module e g in the event of deforme...

Page 13: ...onnection lines Avoid reverse polarity of data and power supply lines as this may damage the devices involved Avoid electrostatic discharge The devices are equipped with electronic components that may...

Page 14: ...s WAGO I O CHECK version 3 5 3 or higher NOTE The default operating mode is RS 485 half duplex The default data transmission rate is 9600 baud 1 start bit 8 data bits and 1 stop bit are sent There is...

Page 15: ...n section Connecting Devices Connection Example s Multi color LEDs indicate the operating status and the trouble free internal bus communication as well as the status of the signal transmission The me...

Page 16: ...mmable fieldbus controller 750 833 14 I O IPC 758 870 000 111 05 758 870 000 131 05 758 874 000 111 05 758 875 000 111 05 758 876 000 111 05 ETHERNET Fieldbus couplers 750 341 07 750 342 17 750 352 02...

Page 17: ...tem Fieldbus couplers controllers Item No Firmware status Programmable fieldbus controller 750 837 14 750 838 14 I O IPC 758 870 000 112 05 758 875 000 112 05 KNX Programmable fieldbus controller 750...

Page 18: ...Figure View Pos Description Details See Section 1 Marking possibility with Mini WSB 2 Status LEDs Device Description Display Elements 3 Data contacts Device Description Connectors 4 CAGE CLAMP connec...

Page 19: ...ts which are available as self cleaning gold spring contacts Figure 2 Data Contacts Do not place the I O modules on the gold spring contacts Do not place the I O modules on the gold spring contacts in...

Page 20: ...acts and those on the right side as spring contacts Figure 3 Power Jumper Contacts Table 6 Legend for Figure Power Jumper Contacts Contact Type Function 1 Spring contact Potential transmission Uv for...

Page 21: ...terface RS 232 RS 485 Manual Version 1 4 0 Use supply modules for ground earth The I O module has no power jumper contacts for receiving and transmitting the earth potential Use a supply module when a...

Page 22: ...uracy and interference immunity specified for the respective I O module can be achieved even in the presence of interference acting on the signal cable Figure 4 CAGE CLAMP Connectors Table 7 Legend fo...

Page 23: ...xD present 1 Red Signal transmission RxD present 1 but some characters received are defective parity data frame or overrun error has occurred 3 D Transmission status OFF No transmission error Green Ou...

Page 24: ...h baud rates the pulses are so short that the on state cannot or can hardly be detected with the naked eye 2 XON XOFF data flow control active 3 Defective characters are not transmitted by the I O mod...

Page 25: ...onfigurable RS 232 RS 485 half duplex RS 422 full duplex Data exchange RS 4221 DMX half duplex 250k1 Data flow control RTS CTS2 depending on mode XON XOFF3 Baud rate 300 115200 baud Data width interna...

Page 26: ...odules Table 15 Technical Data Data Contacts Data contacts Slide contact hard gold plated self cleaning 3 6 6 Climatic Environmental Conditions Table 16 Technical Data Climatic Environmental Condition...

Page 27: ...anted to the basic version and all variants of 750 652 I O modules T V 07 ATEX 554086 X I M2 Ex d I Mb II 3 G Ex nA IIC T4 Gc II 3 D Ex tc IIIC T135 C Dc IECEx TUN 09 0001 X Ex d I Mb Ex nA IIC T4 Gc...

Page 28: ...rographic Agency GL Germanischer Lloyd Cat A B C D EMC 1 3 8 Standards and Guidelines All variations of 750 652 I O modules meet the following requirements on emission and immunity of interference EMC...

Page 29: ...nd received will be stored in up to 46 input and output bytes D0 D45 Data flow is controlled with control and status bytes C0 and S0 or C1 and S1 The input bytes form the memory area for up to 46 char...

Page 30: ...Bit 2 Bit 1 Bit 0 RC BUF_F IL2 IL1 IL0 IA RR TA TA Transmit acknowledge RR Receive request IA Initialization acknowledge IL0 Input length number of characters received that are available in the input...

Page 31: ...ost during receipt 1 Only applies to flow control RTS with lead follow on time Status of the CTS input Bit 4 is 0 CTS active Bit 4 is 1 CTS inactive For evaluation of the bits of the status byte that...

Page 32: ...Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 RC X X X RCVT CHK 0 LGT LGT The length of the telegram last received does not match the PI size CHK Wrong checksum received RCVT No error free transmis...

Page 33: ...application can again recognize that the data transfer was successful Only when this feedback is present can the application transmit the next part of the data The data transmission rates between the...

Page 34: ...Receipt If there is data in the input buffer the I O module can be set either to begin transmitting data to the application immediately or to wait to receive additional data If the I O module begins...

Page 35: ...CTS the I O module stops transmitting data to the serial interface when CTS is set The I O module continues transmitting data when CTS is reset When data is received the I O module monitors input buff...

Page 36: ...ion and receiving is thus possible In this mode the I O module supports flow control for the serial interface using the XON XOFF protocol see chapter Flow Control Using XON XOFF Protocol 5 1 6 DMX Ope...

Page 37: ...n the opposite side are again represented as data bytes in the process image of the local I O module The sequence of data bytes remains unchanged during transmission The cycle in which process data is...

Page 38: ...I O modules with power contacts blade contacts cannot be linked to I O modules with fewer power contacts Risk of injury due to sharp edged blade contacts The blade contacts are sharp edged Handle the...

Page 39: ...module so that the tongue and groove joints to the fieldbus coupler controller or to the previous or possibly subsequent I O module are engaged Figure 8 Insert I O Module Example 2 Press the I O modu...

Page 40: ...85 Manual Version 1 4 0 6 2 2 Removing the I O Module 1 Remove the I O module from the assembly by pulling the release tab Figure 10 Removing the I O Module Example Electrical connections for data or...

Page 41: ...y one conductor may be connected to each CAGE CLAMP Do not connect more than one conductor at one single connection If more than one conductor must be routed to one connection these must be connected...

Page 42: ...re 12 Point to point Connection Operating Mode RS 232 with RTS CTS Data Flow Control In the RS 232 operating mode point to point connection terminal resistors are not necessary The cable length can be...

Page 43: ...th shorter line lengths it is not necessary to use the terminal resistors The receiver built into the I O module has a defined output state if both inputs are not connected and the data line has a sho...

Page 44: ...rminated with a terminal resistor Generally a passive resistance is used by connecting the signal lines via one 100 120 resistor apiece to both bus ends For communication between 2 or several 750 652...

Page 45: ...n this mode the contacts of the I O modules to connect are connected to each other crosswise In the Data Exchange operating mode point to point connection a twisted pair cable should be used at least...

Page 46: ...gher The software s basic functionality is described separately in the WAGO I O CHECK documentation Component damage due to incorrect voltage level Incorrectly selected voltage levels can destroy the...

Page 47: ...Toolbar on the Configuration Dialog The toolbar contains the following buttons Figure 18 Toolbar Table 25 Toolbar Button Function Description Exit Closes the active window If you have changed setting...

Page 48: ...e process image size Note that with changes to the process data length the structure of the process image changes and if necessary changes to the configuration of the superior controller may be necess...

Page 49: ...scribed in more detail in the chapter Function Description Table 27 Parameter Range Selection box Possible settings Operating Mode RS 232 RS 485 half duplex RS 422 full duplex data exchange RS 4224 DM...

Page 50: ...rComm lib can be temporarily overwritten by the controller Mode Baud rate Data bits parity number of stop bits Flow control Continuous send The following values are not available if settings should be...

Page 51: ...tched immediately according to the operating mode Input operating mode In case of a change of operating mode a warning appears that points out that it may be necessary to change the wiring 8 2 Configu...

Page 52: ...and I O module can take place simultaneously The initialization request is executed with priority and immediately ends the transmission and receipt of data Reset initialization bit The initialization...

Page 53: ...ed Table 32 Character string Hello World Control byte 0 Control byte 1 Output byte 0 Output byte 1 0011 0000 0000 0001 H 0x48 a 0x60 Output byte 2 Output byte 3 Output byte 4 Output byte 5 1 0x6C 1 0x...

Page 54: ...t byte 0 Input byte 1 0 xxx X 00x 0XXX 1XXX XX XX There are no receive data available 0XX1 001X 0XXX 1XXX W A The data is available in the input bytes After the 2 characters have been processed RA is...

Page 55: ...s the acceptance of the data Control byte 0 Control byte 1 0110 1000 0XXX X101 Controller takes bit 0 TR of the control byte 0 back Status byte 0 Status byte 1 0XXX X0X0 0XXX 0XXX I O module begins wi...

Page 56: ...e 0 Control byte 1 0110 1001 0XXX X101 Controller fills the output buffer with another 46 bytes of data Status byte 0 Status byte 1 0XXX X0X1 0000 0XXX I O module confirms the acceptance of the data S...

Page 57: ...art byte always 0 D1 Data byte 1 D1 Data byte 1 DMX channel 1 D2 Data byte 2 D2 Data byte 2 DMX channel 2 D5 Data byte 5 D5 Data byte 5 DMX channel 5 24 bytes D6 Data byte 6 D6 Data byte 6 DMX channel...

Page 58: ...the data part of the process image for transmission of status information Use bits 0 1 and 2 of the first data byte for example Use bit 0 as the ON signal on both sides 1 Describe bit 0 in the process...

Page 59: ...as interrupted Check the configuration of the interface parameters Use a shielded cable Change wire routing Shorten cable Eliminate interference Overflow Data loss has occurred Reduce baud rate 9 2 Da...

Page 60: ...ment is designed for use in Zone 2 hazardous areas The following sections include both the general identification of components devices and the installation regulations to be observed The individual s...

Page 61: ...85 Manual Version 1 4 0 10 1 Marking Configuration Examples 10 1 1 Marking for Europe According to ATEX and IEC Ex Figure 21 Side Marking Example for Approved I O Modules According to ATEX and IECEx F...

Page 62: ...of the enclosure without a dust layer Mining I Equipment group Mining M2 Category High level of protection Ex Explosion protection mark d Mb Type of protection and equipment protection level EPL Flame...

Page 63: ...63 750 652 Serial Interface RS 232 RS 485 Manual Version 1 4 0 Figure 23 Side Marking Example for Approved Ex i I O Modules According to ATEX and IECEx Figure 24 Text Detail Marking Example for Appro...

Page 64: ...nt protection level EPL protection by enclosure ia Da Type of protection and equipment protection level EPL associated apparatus with intrinsic safety circuits for use in Zone 20 ib Db Type of protect...

Page 65: ...G Category 3 Zone 2 equipment containing a safety device for a category 2 Zone 1 equipment Ex Explosion protection mark nA Gc Type of protection and equipment protection level EPL Non sparking equipme...

Page 66: ...e for I O Modules According to NEC 500 Figure 26 Text Detail Marking Example for Approved I O Modules According to NEC 500 Table 47 Description of Marking Example for Approved I O Modules According to...

Page 67: ...RS 232 RS 485 Manual Version 1 4 0 10 2 Installation Regulations For the installation and operation of electrical equipment in hazardous areas the valid national and international rules and regulation...

Page 68: ...e may only be actuated when explosive atmosphere can be excluded 4 The connecting and disconnecting of the non intrinsically safe circuits is only permitted during installation for maintenance or for...

Page 69: ...60079 0 and EN 60079 1 and the degree of protection IP64 The compliance of these requirements and the correct installation into an enclosure or a control cabinet of the devices shall be certified by a...

Page 70: ...e may only be actuated when explosive atmosphere can be excluded 4 The connecting and disconnecting of the non intrinsically safe circuits is only permitted during installation for maintenance or for...

Page 71: ...60079 0 and IEC 60079 1 and the degree of protection IP64 The compliance of these requirements and the correct installation into an enclosure or a control cabinet of the devices shall be certified by...

Page 72: ...tors Only for use in LAN not for connection to telecommunication circuits G WARNING Use Module 750 642 only with antenna module 758 910 H For Couplers Controllers and Economy bus modules only The inst...

Page 73: ...a type Instances Inp Outp 75x 652 ser interf 8 bytes 75x 652 Unsigned8 2 OctetString 6 1 1 75x 652 ser interf 24 bytes Unsigned8 2 OctetString 22 75x 652 ser interf 48 bytes Unsigned8 2 OctetString 46...

Page 74: ...rial Interface Apart from the RTS lead and follow on time the GSD file can be used to provide the I O module on the PROFIBUS DP and PROFINET IO fieldbus coupler with all operating parameters Figure 27...

Page 75: ...etween operating modes that RS 232 and RS 485 use different voltage levels Switch off connected devices before changing operating modes Make sure that devices you connect support the voltage level of...

Page 76: ...ata Bits 7 Parity none Parity none odd Parity odd straight Parity straight Stop bits 1 Stop Bits 1 2 Stop Bits 2 Flow control deactivated Flow Control disabled XON XOFF Flow Control XON XOFF RTS CTS F...

Page 77: ...ion Channel diagnostics Channel x x 0 0 lock The fieldbus coupler signals a diagnosis if the I O module reports the event Overflow input buffer Diagnostics reported by the I O module do not lead to th...

Page 78: ...RS 422 Operating Mode 44 Figure 16 Point to point Connection Between Two Nodes 45 Figure 17 Parameter Dialog 46 Figure 18 Toolbar 47 Figure 19 Process Image Size 48 Figure 20 Parameter Range 49 Figur...

Page 79: ...Byte S0 30 Table 20 Control Byte C1 30 Table 21 Status Byte S1 31 Table 22 Process Data in Data Exchange Mode 31 Table 23 Control Byte C0 32 Table 24 Status Byte S0 32 Table 25 Toolbar 47 Table 26 PI...

Page 80: ...roved Ex i I O Modules According to ATEX and IECEx 64 Table 47 Description of Marking Example for Approved I O Modules According to NEC 500 66 Table 48 Configuration 73 Table 49 Configuration 73 Table...

Page 81: ...WAGO I O SYSTEM 750 81 750 652 Serial Interface RS 232 RS 485 Manual Version 1 4 0...

Page 82: ...WAGO Kontakttechnik GmbH Co KG Postfach 2880 D 32385 Minden Hansastra e 27 D 32423 Minden Phone 05 71 8 87 0 Fax 05 71 8 87 1 69 E Mail info wago com Internet http www wago com...

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