CAN-CBM-DP, DN-CBM-DP - esd electronics, Inc.
Contents
1. pin numbers of the 9 pole DSUB connector Fig 2 3 3 Connection diagram for RS 485 operation In order to activate the terminating resistor network on the piggy back you have to connect pins 9 and 2 and pins 4 and 7 in the DSUB9 connector for example Page 22 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP Circuit Description 2 3 2 4 The TTY 20 mA Interface CAN CBM DP Terminal Modem DCE DTE i 20mA 2 D O Rx en om O pin numbers of the 9 pole DSUB connector Fig 2 3 4 Connection diagram for TTY operation passive CAN CBM DP Terminal Modem DCE DTE i 20mA n X Tx TxD GNDA ann Rx 20mA 24V P TxD Q pin numbers of the 9 pole DSUB connector Fig 2 3 5 Connection diagram for TTY operation active CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 23 of 41 f Circuit Description 2 4 Function of Coding Switches The coding switches are used to set the PROFIBUS address On power on the PROFIBUS address is read from the coding switches The settings have to be changed before switching on because changes have no effect during operation The CAN CBM DP DN CBM DP is operated as a slave station whose addresses can be set in the range decimally from 3 to 124 or hexadecimally from 03 to C7 Ifan address smaller than 3 is set address 3 is valid If an address l2. P1 A aaa P2 DSUB female D SEED DSUB female 9 pole AN Te 9 pole P1 P2 CAN CBM DP PC DN CBM DP 1 a RTS CTS local signal RIN ames used at CBM module Ol aol nN OD a A wi N Ol aol nN A a A of m Adapter cable 25 pin DSUB female to 9 pin DSUB female 13121110 9 8 7 6 5 4 3 2 1 E P1 Cl 5 4 3 2 1 P2 DSUB female DSUB female 9 pole 25 pole 25 24 23 22 21 20 19 18 17 16 15 14 987 6 P1 pa CAN CBM DP PC DN CBM DP 1 1 RTS CTS local signal RIN ames used at CBM module o MI N 9 GO AY GO Mm 2 3 4 5 6 7 8 20 1 1 25 CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 29 of 41 Connector Assignments 3 1 6 RS 422 Interface X100 SIO331 9 pin DSUB male Pin Position 1 2 3 4 5 e 6 6 949 e e 6 4 6 7 8 9 Pin Assignment 9 pin DSUB male Page 30 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP Connector Assignments 3 1 7 RS 485 Interface X100 SIO331 9 pin DSUB male Pin Position 1 2 3 4 5 e 6 6 949 e e 6 4 6 7 8 9 9 pin DSUB male D The signals Term and Term are connected to a terminating resistor network on the PCB In order to activate the connection Term has to be connected t
3. 24V GND GND ined KH ES Oo Oo Oo Qu Qu Qu GND GND 24V Fig 3 1 1 Voltage supply Page 34 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP u EJ 4 Correctly Wiring Electrically Isolated CAN Networks Generally all instructions applying for wiring regarding an electromagnetic compatible installation wiring cross sections of wires material to be used minimum distances lightning protection etc have to be followed The following general rules for the CAN wiring must be followed A CAN net must not branch exception short dead end feeders and has to be terminated by the wave impedance of the wire generally 120 W 10 at both ends between the signals CAN_L and CAN_H and not at GND A CAN data wire requires two twisted wires and a wire to conduct the reference potential CAN_GND For this the shield of the wire should be used The reference potential CAN_GND has to be connected to the earth potential PE at one point Exactly one connection to earth has to be established 4 The bit rate has to be adapted to the wire length Dead end feeders have to kept as short as possible I lt 0 3 m When using double shielded wires the external shield has to be connected to the earth potential PE at one point There must be not more than one connection to earth A suitable type of wire wave impedance ca 120 Q 10 has to be used and the voltage loss in the wire ha
4. CSD CAN CBM DP Profibus DP CAN Gateway DN CBM DP Profibus DP DeviceNet Gateway Hardware Manual to Product C 2844 03 05 and C 2846 02 CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 1 of 41 esd electronic system design gmbh Vahrenwalder Str 207 30165 Hannover Germany www esd electronics com Fax 0511 37 29 8 68 Phone 0511 37 29 80 International 49 5 11 37 29 80 NOTE The information in this document has been carefully checked and is believed to be entirely reliable esd makes no warranty of any kind with regard to the material in this document and assumes no responsibility for any errors that may appear in this document esd reserves the right to make changes without notice to this or any of its products to improve reliability performance or design esd assumes no responsibility for the use of any circuitry other than circuitry which is part of a product of esd gmbh esd does not convey to the purchaser of the product described herein any license under the patent rights of esd gmbh nor the rights of others esd electronic system design gmbh Vahrenwalder Str 207 30165 Hannover Germany Phone 49 511 372 98 0 Fax 49 511 372 98 68 E mail info gesd electronics com Internet www esd electronics com USA Canada esd electronics Inc 525 Bernardston Road Suite 1 Greenfield MA 01301 USA Phone 1 800 732 8006 Fax 1 800 732 8093 E mail us sales Qesd electr
5. at 20 C max 125 mA 20 mA in TTY operation of serial interface Supply voltage X100 SIO331 DSUB9 male serial interface X100 CBMPB DSUB9 female Profibus DP interface X101 6 pin screw connector UEGM 24V voltage supply X400 Combicon design 5 pin MSTB2 5 5 5 08 CAN or DeviceNet Connectors Temperature range 0 50 C ambient temperature Humidity max 9096 non condensing Width 40 mm height 85 mm depth 83 mm including hat rail mounting and jutted out connectors DSUBO without CAN DeviceNet connectors Case dimensions WxHxD Table 1 4 1 General data of the CAN CBM DP and DN CBM DP CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 11 of 41 Overview 1 4 2 Microcontroller Circuit SRAM 128 k x 16 Bit optional 512 k x 16 Bit Memory Flash EPROM 128kx8 Bit EEPROM serial PC EEPROM 1024 k x 8 Bit Debug interface for service and programming Table 1 4 2 Microcontroller circuit 1 4 3 CAN DeviceNet Interface abro bie CAN CBM DP 1 x CAN ven ue DN CBM DP 1 x DeviceNet 5 pin Combicon design MSTB2 5 5 5 08 CAN controller SJA1000 CAN 2 0A B Electrical nS Be via optocouplers and DC DC converters CAN CBM DP interface from other circuits Physical Layer CAN Physical Layer according to ISO 11898 transmission rate CAN CBM DP programmable from 10 kbit s to 1 Mbit s Physical Layer DeviceNet Physical Layer according to DeviceNet specification Rev 2 0 DN CBM DP bit rate 125
6. Mbit s The DP interface as well as the DeviceNet interface are electronically insulated by optocouplers and DC DC converters The DeviceNet is connected by means of a 5 pin screw plug connector in Combicon design According to standard the DP interface is equipped with a 9 pin female DSUB connector The module has a serial interface default RS 232 for servicing and configuration It is connected by means of a male DSUB9 For mapping the I O data of the DP slave a configuration software is available under Windows 95 98 or Windows NT DeviceNet is supported as Layer 7 protocols CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 9 of 41 Overview 1 3 Front View with Connectors and Coding Switches Coding Switch SW211 High PROFI ADR Low Coding Switch SW210 Low Q Serial Interface DSUBS male SERIAL e 000220 SSS Power Supply CAN or DeviceNet Profibus DP DSUBS female Fig 1 2 1 Position of connectors and control elements Ee PCB CPU331 X100 CBMPB BR DSUBS female Profibus DP PCB S10331 X400 CAN DeviceNet X100 SIO331 DSUBS male Serial Interface Fig 1 3 2 Internal module structure with PCB designations and connector names Figure without connector for supply voltage Page 10 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP Overview 1 4 Summary of Technical Data 1 4 1 General Technical Data Nominal voltage 24 V DC 10 Current
7. V and CAN CAN CAN CAN CAN signal lines Shield connection of shield line Shield signal is not connected locally on the DN CBM DP Page 26 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP Connector Assignments 3 1 3 Profibus DP Interface X100 CBMPB 9 pin DSUB female Pin Position 5 4 3 2 e e 6 e e e 6 e 9 a8 7 6 Pin Assignment n ME n c 9 pin DSUB female V C D Signal Terms RxD TxD receive and transmission data RxD TxD RTS control signal for repeater Request To Send 5 V voltage supply for external terminating resistor networks max 50 mA GND reference potential CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 27 of 41 Connector Assignments 3 1 4 RS 232 Interface X100 SIO331 9 pin DSUB male Pin Position 1 2 3 4 5 e o 6 49 e e 6 4 6 7 8 9 Pin Assignment DSR input RxD input CTS input RIN input 9 pin DSUB male The signal name is indicated looked by the CAN CBM module The input signals CTS DSR and DCD are not evaluated by the CAN CBM DP DN CBM DP Page 28 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP Connector Assignments d 3 1 5 Connection Lines for the RS 232 Interface to a PC The following two figures show the required assignment for RS 232 connection lines between PC and CAN CBM DP DN CBM DP Adapter cable 9 pin DSUB female to 9 pin DSUB female
8. a aa Po kala a 39 52 CAN HCAN L Voltage Suicidal da Ba p erg oer bares 40 a TO UNG en eg A i d aaa a Er 40 5 4 CAN Transceiver Resistance Test aa 41 CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 5 of 41 This page is intentionally left blank Page 6 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP Overview 1 Overview This manual describes the hardware ofthe CAN interface CAN CBM DP and the hardware of the DeviceNet interface DN CBM DP module together Differences are noted 1 1 Module Description CAN CBM DP electrical isolation Physical TAN ysical Y p CAN Controller NE e 4 SJA1000 um 7 Coding Switches y KY MSTB2 5 5 5 08 5 V DC DC RS 232 2x3 pole UEGM Converter Serial Microcontroller RS 422 1 Connector 5 V EERPOM 68331 RS 485 or Nov TTY Interface DSUB9 Power Supply Connector 24 V DC er Y Flash EPROM DC DC Converter 5 V DSUB9 Connector DP Slave L3 D i Bi Controller SRAM P x SPC3 electrical isolation Fig 1 1 1 Block circuit diagram ofthe CAN CBM DP module By means of the module CAN CBM DP any Profibus DP master can be connected to a CAN network The DP CAN gateway acts like a slave I O component on the DP bus with a total of up to 300 bytes input and output data Maximum 244 bytes of the total of 300 bytes can be used as input data with 56 byte output data or maximum 244 bytes can be used as output data with 56 bytes input
9. data With the CAN gateway you can connect CAN modules with CANopen or layer 2 implementation to e g a SIMATIC S7 There are no limitations on CANopen PDO s and SDO s by the gateway and the complete DeviceNet scanner functionality is supported The number of CAN participants is not limited by the module too The module operates internally with a 68331 micro controller which buffers the CAN and Profibus DP data into the local SRAM The firmware and configuration data are kept in the Flash EEPROM Parameters are stored by means of a serial EEPROM The ISO 11898 compliant CAN interface allows a maximum data transfer rate of 1 Mbit s The Profibus DP slave interface automatically recognizes all usual bit rates up to 12 Mbit s The DP interface as well as the CAN interface are electronically insulated by optocouplers and DC DC converters The CAN is connected by means of a 5 pin screw plug connector in Combicon design CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 7 of 41 Overview According to standard the DP interface is equipped with a 9 pin female DSUB connector The module has a serial interface default RS 232 for servicing and configuration It is connected by means of a male DSUB9 The data mapping of the CAN I O data of the DP slave is done by the Profibus Configuration tool e g PLC SIMATIC MANAGER Additionally a configuration software is available under Windows 95 98 or Windows NT CANopen is supported as Layer 7
10. kbit s 250 kbit s 500 kbit s Table 1 4 3 Data of CAN DeviceNet interface Page 12 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP Overview 1 4 4 Profibus DP Interface Number of Profibus DP 1x Profibus DP interfaces DP controller Siemens Profibus Controller SPC3 DP Slave E a E Frenos via optocouplers and DC DC converters Physical Layer RS 485 Table 1 4 4 Data of Profibus DP interface 1 4 5 Serial Interface Interf Standard RS 232 ur Options RS 422 RS 485 TTY active passive Table 1 4 5 Data of serial interface CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 13 of 41 This page is intentionally left blank Page 14 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP 1 5 Order Information Order Information es CAN CBM DP CAN CBM DP 2 0B DN CBM DP DP CAN Gateway CAN layer 2 CAN 2 0A firmware for 11 bit CAN identifier RS C 2844 03 232 interface GSD file DP CAN Gateway CAN layer 2 CAN 2 0A B firmware for 11 and 29 bit CAN C 2844 05 identifier RS 232 interface GSD file DP DeviceNet Gateway Firmware for 11 bit CAN identifier C 2846 02 RS 232 interface Instead of RS 232 supplemented by RS 422 adapter V 1930 02 to be specified in order CAN CBM DP ME DN CBM DP ME CAN CBM DP ENG 1 2 ses CAN CBM DP DN CBM DP RS 485 adapter V 1930 04 TTY 20mA passive V 1930 06 TTY 20mA active V 1930 08 English manual for C 2844 03 05 i
11. 2 5 5 5 08 3K6 1 182 1 AN PRLL5819 CAN_GND 10M 10nF 500V Opto Coupler HCPL7100 VCCin VCCout CAN Transceiver IN OUT 82C251 Si9200 ENABLE GNDout Opto Coupler GAN Controller vec D HCPL7100 VCCout VCCin OUT IN O ENABLE GNDout GNDin Fig 2 1 2 Circuit of DeviceNet interface DN CBM DP Page 18 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP Circuit Description 2 2 Profibus DP Circuit DC100 DC DC ROSETOS X100 DSUBS female 45V CV100 2 2nF 250V U101 HCPL 0600 RTS from DP controller E 8 U104A CV100 22nF 74HCPL132 amp U102 Optocoupler HCPL7110 ENABLE RxD TxD LTG_A Lis GNDin GNDout Tx le 16 Rx U103 Optocoupler DP controller VCC CD HCPL7110 ENABLE GNDout GNDin Fig 2 2 1 Circuit of Profibus DP interface Note The terminating resistors ofthe Profibus DB networks have to be connected externally see EN 50 170 CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 19 of 41 f Circuit Description 2 3 Serial Interface 2 3 1 Configuration The physical interface ofthe serial configuration interface can be configured as an RS 232 RS 422 RS 485 TTY activeor TTY passive interface For RS 232 operation an RS 232A driver component is used and for the other interfaces piggy backs are used The serial interface is controlled by the 68331 The bit rate ofthe interface can be set by parameters For each interface type RS 232 RS 422 RS 485
12. TTY a bit rate of up to 38 4 kbit s is supported The following bit rates can be set by means ofthe software The values in the second column shown the actual bit rates which result from the controller internal conversion Bit rate set value Bit rate actual value bit s bit s Table 2 3 1 Adjustable bit rates Page 20 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP Circuit Description 2 3 2 Connection of Various Serial Interfaces Below the wiring of the serial interfaces is shown The figures are used to explain the terms for the signals used in the appendix In the appendix you can also find the circuit diagrams of the various available piggy backs The signal terms are exemplary for the connection of the CBM DP as transmitter terminal DTE 2 3 2 1 The RS 232 Interface The input signals CTS DSR and DCD are not evaluated by the CAN CBM DP and DN CBM DP CAN CBM DP Terminal DTE pin numbers of the 9 pole DSUB connector Fig 2 3 1 Connection diagram for RS 232 operation CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 21 of 41 Circuit Description 2 3 2 2 The RS 422 Interface CAN CBM DP Terminal Modem DCE DTE TxD jo a pin numbers of the 9 pole DSUB connector O Fig 2 3 2 Connection diagram for RS 422 operation 2 3 2 3 The RS 485 Interface CAN CBM DP Terminal Modem DCE DTE TxD
13. UL CSA UL CSA approved www lappkabel de ConCab GmbH u erer Eichwald e g 74535 Mainhardt BUS PVC C 1 x 2 x 0 22 mm Order No 93 022 016 UL appr Germany BUS Schleppflex PUR C 1 x 2 x 0 25 mm Order No 94 025 016 UL appr www concab de SAB Br ckskes GmbH amp Co KG Grefrather Stra e 204 212b e g 41749 Viersen SABIX CB 620 1 x 2 x 0 25 mm Order No 56202251 Germany CB 627 1 x 2 x 0 25 mm Order No 06272251 UL appr www sab brockskes de Note Completely configured CAN wires can be ordered from esd Page 38 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP CAN Bus Troubleshooting Guide EJ 5 CAN Bus Troubleshooting Guide The CAN Bus Troubleshooting Guide is a guide to find and eliminate the most frequent hardware error causes in the wiring of CAN networks AID jer f eo Jemen Figure Simplified diagram of a CAN network 5 1 Termination The termination is used to match impedance of a node to the impedance of the transmission line being used When impedance is mismatched the transmitted signal is not completely absorbed by the load and a portion is reflected back into the transmission line If the source transmission line and load impedance are equal these reflections are eliminated This test measures the series resistance of the CAN data pair conductors and the attached terminating resistors To test it please 1 Turn off all power supplies of the atta
14. arger than 124 decimal or C7 HEX is set address 124 is valid The upper coding switch SW211 is used to set the MSBs the lower coding switch SW210 is used to set the LSBs The CAN identifiers CAN CBM DP are set by means of a PROFIBUS DP configuration tool e g SIMATIC manager Information about this can be found in the CAN CBM DP Software Manual The MACID for the operation of the DN CBM DP module is set by the configuration received from the PLC via PROFIBUS DP too Page 24 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP Connector Assignments 3 Appendix 3 1 Connector Assignments 3 1 1 CAN CBM DP CAN Bus X400 5 pin Combicon Style Pin Assignment of the Combicon socket of the module o o o o n NOAA Signal Terms CAN L CAN H CAN signals CAN_GND reference potential of the CAN physical layers Shield connection of shield line Shield signal is not connected locally on the CAN CBM DP Pin assignment of an adapter cable 5 pole Combicon to 9 pole DSUB DSUB9 male The 9 pin DSUB connector is assigned in accordance with CiA DS 102 CAN GND Pin 3 6 5 pole Combicon connector CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 25 of 41 Connector Assignments 3 1 2 DN CBM DP DeviceNet X400 5 pin Combicon Style Pin Position Pin Assignment 4 2 3 5 Signal terms Vs Voltage supply feed U cc 24 V 4 V Reference potential to
15. asure the DC resistance between CAN_L and CAN_GND 6 see figure below Normally the resistance should be between 1 M Q and 4 M Q or higher If it is lower than this range the CAN transceiver is probably faulty CAN node can eant Transceiver CAN_GND MN Disconnect CAN Disconnect Power Figure Simplified diagram ofa CAN node CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 41 of 41
16. ched CAN nodes 2 Measure the DC resistance between CAN_H and CAN L at the middle and ends of the network see figure above The measured value should be between 50 and 70 Q The measured value should be nearly the same at each point ofthe network If the value is below 50 Q please make sure that there is no short circuit between CAN H and CAN L wiring there are not more than two terminating resistors the nodes do not have faulty transceivers If the value is higher than 70 Q please make sure that there are no open circuits in CAN H or CAN L wiring your bus system has two terminating resistors one at each end and that they are 120 Q each CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 39 of 41 a CAN Bus Troubleshooting Guide 5 2 CAN H CAN L Voltage Each node contains a CAN transceiver that outputs differential signals When the network communication is idlethe CAN H and CAN L voltages are approximately 2 5 volts Faulty transceivers can cause the idle voltages to vary and disrupt network communication To test for faulty transceivers please 1 Turn on all supplies 2 Stop all network communication 3 Measure the DC voltage between CAN H and GND 2 see figure above 4 Measure the DC voltage between CAN L and GND 3 see figure above Normally the voltage should be between 2 0 V and 4 0 V If it is lower than 2 0 V or higher than 4 0 V it is possible that one or more nodes have faulty transcei
17. ncl configuration software C 2844 21 includes hardware and software manual English manual for C 2846 02 incl configuration software C 2846 21 includes hardware and software manual English engineering manual for C 2844 03 05 and C 2846 02 Content circuit diagrams PCB top overlay a drawing data sheets of significant components If module and manual are ordered together the manual is free of charge This manual is liable for costs please contact our support Table 1 5 1 Order information Hardware Manual Rev 1 7 Page 15 of 41 This page is intentionally left blank Page 16 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP Circuit Description 2 Circuit Description 2 1 CAN DeviceNet Circuit 2 1 1 Interface Circuit The CAN CBM DP module is equipped with an ISO 11898 compliant CAN interface the DN CBM DP with a DeviceNet interface The same connector in Combicon design is used for the two types the assignment of the connector however differs The following figures show both interfaces DC DC ROSETOS VC05D150 _ 100uF 6 3V CAN GND 2 2nF 250V Optical Coupler HCPL7100 CAN Transceiver X400 82C251 Si9200 MSTB2 5 5 5 08 T CAN L BUSL Optical Coupler Be GND t CAN Controller HCPL7100 l R GND A O ENABLE GNDout GNDin Fig 2 1 1 Circuit of CAN interface CAN CBM DP CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 17 of 41 Circuit Description X400 MSTB
18. o the Rx Tx signal and Term with the Rx Tx signal CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 31 of 41 Connector Assignments 3 1 8 TTY passive Interface X100 SIO331 9 pin DSUB male Pin Position 1 2 3 4 5 e 6 6 949 e e 6 4 6 7 8 9 Tx transmitter Tx transmitter ar Rx receiver GND 9 pin DSUB male De Signals I2 and I1 are assigned but are not required for operating this physical interface Page 32 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP Connector Assignments 3 1 9 TTY active Interface X100 SIO331 9 pin DSUB male Pin Position 1 2 3 4 5 e 6 6 949 e e 6 4 6 7 8 9 transmitter transmitter 9 pin DSUB male ET The GNDA signals have been assigned but are not required for operating this physical interface CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 33 of 41 Connector Assignments 3 1 10 Voltage Supply X101 UEGM Voltage is supplied by means of the screw connector UEGM integrated in the case It can be connected to lines with a cross section of up to 2 5 mm Assignment of the screw connectors is the same on both sides of the case They can be used alternatively The middle contact is for 24 V and the two outer contacts are for GND Note It is not permissible to feed through the supply voltage i e To use one side as 24 V input and the other side as 24 V output in order to supply other devices
19. onics com Internet www esd electronics us Page 2 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP I Texte Doku MANUALS CAN CBM DP Englisch Hardware CBMDP17H en9 2008 02 26 CPU331 Rev 1 1 PCB versions CBM DP Rev 1 1 CBMPB Rev 1 1 Changes in the chapters The changes in the user s manual listed below affect changes in the hardware as well as changes in the description of the facts only Changes versus previous version Description of PROFIBUS DP data range inserted Description of PROFIBUS DP data range inserted Technical details are subject to change without notice CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 3 of 41 This page is intentionally left blank Page 4 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP Contents Page IL OVeEVIEW Du ee ee OR d LI Dore PEA bi 7 1 1 Module Description CAN CBM DP 2222222 cece eee eens 7 1 2 Module Description DN CBM DP 0 000 ccc ee eens 9 1 3 Front View with Connectors and Coding Switches 0 000 e ee eee 10 1 4 Summary of Technical Data eee eens 11 1 4 1 General Technical Data 2 222 ea are 11 1 42 Microcontroller Carculb a ine 12 1 4 3 CAN DeviceNet Interface aa a Ha a ia a ke 12 1 4 4 Profibus DP Inter ce sosa eoe REN ed haare ee 13 14 5 Serial Interface Ur A DE ED ES 13 1 2 Order Information e reusea u qun A 15 2 Circuit Description E AS a a ARA 17 21 CAN Device Net CITENG a
20. protocol on CAN Page 8 of 41 Hardware Manual e Rev 1 7 CAN CBM DP DN CBM DP Overview 1 2 Module Description DN CBM DP electrical isolation i zz Physical CAN AN troll A E A Layer E S Bra x Coding Switches DeviceNet 7 A 2 5 5 5 08 RS 232 Serial 2x3 pole UEGM Serial Microcontroller 3 RS 422 AN Connector EERPOM E 68331 RS 485 or pS H TTY Interface DeviceNet DSUB9 Connector Power Supply 24 V DC 5 V Zu Flash EPROM DC DC EOS Converter DSUB9 mE Connector DP Slave gt ee E Controller SRAM SPC3 Fig 1 2 1 Block circuit diagram of the DN CBM DP module The module DN CBM DP can link any Profibus DP master to DeviceNet The DN CBM DP gateway acts like a slave I O component on the DP bus with a total of up to 312 bytes input and output data Maximum 244 bytes of the total of 312 bytes can be used as input data with 68 byte output data or maximum 244 bytes can be used as output data with 68 bytes input data The module operates internally with a 68331 micro controller which buffers the DN and Profibus DP data into the local SRAM The firmware and configuration data are kept in the Flash EEPROM Parameters are stored by means of a serial EEPROM The DeviceNet interface is designed according to the DeviceNet Specification Rev 2 0 All DeviceNet bit rates are supported The Profibus DP slave interface automatically recognizes all usual bit rates up to 12
21. s secte os eet E S RENE a a aa bate Gls Bare he 17 2 121 Interface Circuit e ee en Ril ure ee o tol ge Paste 17 2 2 Profibus DPCICUE a 129 dad seb leiste ee faa d daa Dios 19 Do CTIA NETE ER ns Ba ETT TIT EET TTL TIT 20 2 3 1 Configuration 5 oa ER s dE SER ere n em A SER ER EN a 20 2 3 2 Connection of Various Serial Interfaces oooooooooomoooo o 21 2 4 Function of Coding Switches 4o va an IR EN Ra E S 24 Ne APDENGIN nn tc pas do RM Ed deg U NUR n EMIL A TAE 25 3 T Connector Assisnments s oo dd etate es ER ae a RR RA RA TER RA Rt 25 3 1 1 CAN CBM DP CAN Bus X400 5 pin Combicon Style 25 3 1 2 DN CBM DP DeviceNet X400 5 pin Combicon Style 26 3 1 3 Profibus DP Interface X100 CBMPB 9 pin DSUB female 27 3 1 4 RS 232 Interface X100 SIO331 9 pin DSUB male 28 3 1 5 Connection Lines for the RS 232 Interface toa PC 29 3 1 6 RS 422 Interface X100 SIO331 9 pin DSUB male 30 3 1 7 RS 485 Interface X100 SIO331 9 pin DSUB male 31 3 1 8 TTY passive Interface X100 SIO331 9 pin DSUB male 32 3 1 9 TTY active Interface X100 SIO331 9 pin DSUB male 33 3 1 10 Voltage Supply X101 UEGM 2 2 a anni 34 4 Correctly Wiring Electrically Isolated CAN Networks essel 35 5 CAN Bus Troubleshooting Guide ect eee 39 a RERO TIT T TET TO CTI a a a a Bk a a
22. s to be considered CAN wires should not be laid directly next to disturbing sources If this cannot be avoided double shielded wires are preferable Wire structure Signal assignment of wire and connection of earthing and terminator PO E E QAN wire with COROS cn Shielded wire with DSUB9 connector DSUB9 connector transposed wires i female or male CAN_GND female or male i pin designation at wire shield pin designation CAN H 1 1 i 2 2 CAN_L E 2 E o 4 4 E a 5 2 S CAN GND u 6 6 T Z Z 8 n c 8 9 n c n c 9 connector case n c connector case earth PE n c not connected A Figure Structure and connection of wire CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 35 of 41 E gt Cabling O for devices which have only one CAN connector per net use T connector and dead end feeder shorter than 0 3 m available as accessory Connecting CAN_GND to BI Female Connector Protective Conductor PE Bl D Male Connector Terminator y with PE Connector CAN_GND E cats 02 01 T Connect Order no C 1311 08 E Female Terminator Order no C 1301 01 T Connector T Connector T Connector C 1311 03 C 1311 03 C 1311 03 ALIAN CAN Cuble 1 lt 0 3m CAN Cuble Order no C 1323 03 Order no C 1323 03 Figure Example for correct wiring when using single shielded wires Terminal Resis
23. tance O use external terminator because this can later be found again more easily O 9 pin DSUB terminator with male and female contacts and earth terminal are available as accessories Earthing O CAN GND has to be conducted in the CAN wire because the individual esd modules are electrically isolated from each other O CAN GND has to be connected to the earth potential PE at exactly one point in the net O each CAN user without electrically isolated interface works as an earthing therefore do not connect more than one user without potential separation O Earthing CAN e g be made at a connector Page 36 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP _ EJ Wire Length O Optical couplers are delaying the CAN signals By using fast optical couplers and testing each board at 1 Mbit s esd modules typically reach a wire length of 37 m at 1 Mbit s within a closed net without impedance disturbances like e g longer dead end feeders E Typical values of reachable CiA recommendations Bit rate Kbit s wire length with esd 07 95 for reachable wire interface Laax m lengths lan m Table Reachable wire lengths depending on the bit rate when using esd CAN interfaces CAN CBM DP DN CBM DP Hardware Manual Rev 1 7 Page 37 of 41 E ih Examples for CAN Wires U I LAPP GmbH Schulze Delitzsch Stra e 25 e g 70565 Stuttgart UNITRONIC amp BUS CAN UL CSA UL CSA approved Germany UNITRONIC amp BUS FD P CAN
24. vers For a voltage lower than 2 0 V please check CAN H and CAN L conductors for continuity For a voltage higher than 4 0 V please check for excessive voltage To find the node with a faulty transceiver please test the CAN transceiver resistance see next page 5 3 Ground The shield of the CAN network has to be grounded at only one location This test will indicate if the shielding is grounded in several places To test it please 1 Disconnect the shield wire Shield from the ground 2 Measure the DC resistance between Shield and ground see CAN GND picture on the right hand 3 Connect Shield wire to ground Fig Simplified schematic diagram of ground test measurement The resistance should be higher than 1 M Q If it is lower please search for additional grounding of the shield wires Page 40 of 41 Hardware Manual Rev 1 7 CAN CBM DP DN CBM DP CAN Bus Troubleshooting Guide EJ 5 4 CAN Transceiver Resistance Test CAN transceivers have one circuit that controls CAN H and another circuit that controls CAN L Experience has shown that electrical damage to one or both of the circuits may increase the leakage current in these circuits To measure the current leakage through the CAN circuits please use an resistance measuring device and 1 Disconnect the node from the network Leave the node unpowered 4 see figure below 2 Measure the DC resistance between CAN_H and CAN_GND 5 see figure below 3 Me
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