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CDN36X Series DeviceNet Gateway User Manual

1. copy RX Data to variable RX Ack bit 1 bit 0 bit 1 RX Toggle RX Ack copy RX Data to variable RX Ack bit 0 Transmit Synchronization The gateway transmit synchronization is always enabled for each Serial Transmit Object instance An instance will not process its Transmit Data output bytes until its Transmit Toggle bit changes state When the user application sends new Transmit Data to an instance is must toggle that instance s Transmit Toggle bit This enables the Instance to process the new output value and load the resulting serial message into the transmit buffer When the message is loaded for transmission the Instance acknowledges transmission by setting its Transmit Acknowledge bit equal to the Transmit Toggle bit The application can now send the next Transmit Data value The Transmit Toggle and Transmit Acknowledge bits are set to 0 at power up The Transmit Toggle bits are bit mapped into the first byte of the DeviceNet I O Command Message Serial Transmit Object Instance 1 Transmit Toggle bit maps to bit O Instance 2 maps to bit 1 etc The Transmit Acknowledge bits are bit mapped into the first byte of the DeviceNet I O Response Message Serial Transmit Object Instance 1 Transmit Acknowle
2. Example 7 Data Type REAL Width 7 Received ASCII data is 1 2345E 16 The Serial Receive Object Instance converts this to 4 bytes of Receive Data 0xNN OxNN OxNN OxNN This is the 32 bit floating point representation for 1 2345 With Width 7 only the first 7 ASCII bytes are converted Example 8 Data Type Short_String Data Size 8 Transmit Data is 0x08 0x31 0x32 0x33 0x34 0x35 0x36 0x37 0x38 The Serial Transmit Object Instance converts this into 8 ASCII bytes 12345678 Note the first Transmit Data byte defines the Short_String length in bytes This length byte is not transmitted Example 9 Data Type SINT Width 5 Conversion Hex Leading Zeros Transmit Data is 0x18 The Serial Transmit Object Instance converts this into 5 ASCII bytes 00018 Leading zeros are added to match the Width 5 Example 10 Data Type INT Width 6 Conversion Decimal No Leading Zeros Transmit Data is OxFF 0xE7 The Serial Transmit Object Instance converts this into the ASCII string 25 The Width is 3 bytes greater than 25 but leading zeros are not selected Example 11 Data Type REAL Width 13 Precision 6 Conversion No Leading Zeros Transmit Data is 0xNN OxNN OxNN OxNN representing the real number 1 2345E 16 The Serial Transmit Object Instance converts this into the ASCII string 1 234500E 16 The Precision is 2 bytes greater than need
3. Values in decimal Execute Receive Data Size Data received from the device Byte vw Radix Decimal vw Close Help Enter the remaining Serial Stream Object attributes in the Parameters Box window Baud Rate Click on the current value to change the baud rate Enter the desired value in bits per second as a decimal number Data Bits Click on arrow to the right of the current value to select from pull down menu Stop Bits Click on the current value to change Enter the desired number of stop bits as a decimal number Parity Click on arrow to the right of the current value to select from pull down menu Flow Control Click on arrow to the right of the current value to select from pull down menu MKS Instruments Inc D I P Products Group 67 CDN36X User Manual revision 1 30 Delimiter Mode Click on to open selection box Click on check box to select the desired option The Delimiter Mode uses bits 0 1 2 of the byte Ignore the remaining bits 3 through 7 Delimiter Mode List Timeout Length Bit3 Bit4 Bit5 gt Bit6 Bit E Cancel Timeout Click on current value to change Enter the desired timeout in milliseconds Packet Length Click on current value to change Enter the desired length in bytes Serial Status Click on to open up selection box Click on check box to set or clear the desired bit The Serial Status byt
4. 14 0x0E Yes Yes Get_Attribute_Single MKS Instruments Inc D I P Products Group 44 CDN36X User Manual revision 1 30 DEVICENET OBJECT The DeviceNet Object contains information about the CDN36X DeviceNet interface configuration DeviceNet Object Class Code 03 0x03 Class Access Name Type anew UNT instance Access Name Type Value OE Get Set MAC ID USINT Settable only if MAC ID switches gt 63 Valid numbers are O to 63 Returns last value or switch value 2 Get Set Baud Rate USINT Settable only if Baud switch PGM Valid settings are 0 125K 1 250K 2 500K Returns last value or switch value 3 Get Set Bus Off Interrupt BOOL 0 hold CAN in OFF state default 1 reset CAN 4 Get Set Bus Off Counter USINT Writing this attribute forces counter value to zero 5 T Information STRUCTO Choice Byte BYTE bit 0 explicit msg set to 1 to allocate bit 1 polled IO set to 1 to allocate bit 2 strobed IO not supported bits 3 7 reserved set to 0 Master Node Address USINT Allocated to this DeviceNet master Get MAC ID Switch BOOL 0 No Change Changed 1 Changed since last Power up or Reset 7 Get Baud Rate Switch BOOL 0 No Change Changed 1 Changed since last Power up or Reset 8 Get MAC ID Switch Value USINT Physical switch setting 00 to 99 9 Get Baud Rate Switch Value USINT Physical switch setting 0 to 9 Common Services Service Code Class Insta
5. Defines how the gateway determines when it has received a message packet The three delimiter modes are List Timeout and Length Setting the appropriate bit in the Delimiter Mode byte selects the respective mode The Delimiter Mode byte defines bits 0 1 2 only Set the remaining bits 3 through 7 to zero List mode is used when a message packet is framed by a specific strings of Pre Delimiter and Post Delimiter bytes The Pre Delimiter signals the start of a new packet The Post Delimiter indicates the end of the packet Each Pre Delimiter and Post Delimiter string can be from 1 to 9 bytes in length When the gateway receives the Pre Delimiter string it saves the subsequent data bytes until the Post Delimiter string is received The Pre Delimiter and Post Delimiter bytes are not saved in the message packet The following is a simple ASCII message example Pre Delimiter Message Packet Post Delimiter sms data1 data2 dataN eric Length mode is used when every message packet contains the same number of bytes The Packet Length attribute defines the packet size from 1 to 128 bytes The gateway saves serial bytes until it receives the specified number and saves them as one message packet Timeout mode uses a delay between received data bytes to determine the end of a message packet The Packet Timeout attribute defines the time out period from 1 to 255 milliseconds Pre Delimiter List Required for List Mode Enter a string o
6. The first byte defines the Short_String length as 8 bytes Example 2 Data Type Short_String Data Size 5 Received ASCII data is 12345678 The Serial Receive Object Instance converts this to 4 bytes of Receive Data 0x04 0x31 0x32 0x33 0x34 or 0x04 1234 The first byte defines the Short_String length as 4 bytes With Data Size 5 only the first 4 data bytes are used Example 3 Data Type Short_String Data Size 12 Received ASCII data is ABCDEFGH The Serial Receive Object Instance converts this to 9 bytes of Receive Data 0x08 0x41 0x42 0x43 0x44 0x45 0x46 0x47 0x48 or 0x08 ABCDEFGH The first byte defines the Short_String length as 8 bytes Even though Data Size 12 only the 8 received bytes are returned Example 4 Data Type SINT Width 5 Conversion Hex Received ASCII data is 18 The Serial Receive Object Instance converts this to 1 byte of Receive Data 0x18 Example 5 Data Type INT Width 4 Conversion Decimal Received ASCII data is 25 The Serial Receive Object Instance converts this to 2 bytes of Receive Data OxFF OxE7 The ASCII 25 decimal number converts to OXFFE7 Example 6 Data Type REAL Width 13 Received ASCII data is 1 2345E 16 The Serial Receive Object Instance converts this to 4 bytes of Receive Data 0xNN OxNN OxNN OxNN This is the 32 bit floating point representation for 1 2345E 16
7. Data Type Click on current value to change Enter decimal number of desired data type Data Size Click on current value to change Enter the desired Short_String data size in bytes 2 128 Do not enter a Data Size for integer or real number Data Types Width Click on current value to change Enter expected width as decimal number 1 16 Conversion Type Click on current value to change Enter decimal number see Ch 4 Precision Click on current value to change Enter desired precision in decimal 0 6 Data in VO Command Click on current value and select from pull down menu MKS Instruments Inc D I P Products Group 74 CDN36X User Manual revision 1 30 Configure DeviceNet Master Scanlist After all the object instances have been configured the DeviceNet master can be configured for Polled I O or Change of State I O messaging with the gateway The following example shows how to configure a Polled I O connection 1 Before using the RSNetworx to map the gateway s I O connection to 1747 SDN DeviceNet master scanner you must calculate the O Produce Size amp I O Consume Size Chapter 4 describes how to calculate these values You can also read them directly from the gateway Serial Stream Object I O Product Size and I O Consume Size attributes Follow the steps in Configure Serial Channel section to read these attribute values 2 Match sure all unused Serial Receive Object and Serial Transmit Object instances ar
8. Number of message bytes 1 128 Get Set Serial Status USINT Bit 0 RX buffer overrun error Bit 1 RX parity error Bit 4 TX buffer overrun error Bit 5 TX parity error 1 enable Get Set 0 4 wire mode RS422 full duplex 1 2 wire mode RS485 half duplex Message Get Set Number of data bytes expected in a I O Command Message Common Services J 11 2 13 Rh 14 Rh 6 18 20 21 Service Code Class Instance Service Name 05 0x05 No Yes Reset 14 0x0E Yes Yes Get_Attribute_Single 16 0x10 No Yes Set_Attribute_Single MKS Instruments Inc D I P Products Group 49 CDN36X User Manual revision 1 30 SERIAL RECEIVE OBJECT The Serial Receive Object instances receive and process serial messages and send the converted data to DeviceNet master in the I O Response Message DN erial Receive Object Class Code 65 0x41 Attribute UNT Get Max Object Instance UINT 6 Ge Max Class Identifier UINT Max Instance Attribute UINT Instance Access Name Type ie IA 3 Get Set Receive Data Data Type Received message data Returned in I O Response 4 Get Receive Toggle BOOL _ Gateway toggles 0 1 1 0 to indicate new Receive CA ede eee ee 5 Get Set Receive Acknowledge BOOL When Sync Enabled user application must set this bit to match Receive Toggle before next message is processed Get Set Receive Mode USINT _ Bit 0 use Data Field Bit 1
9. gi Communication Adapter CDN366 E Cancel 9 The Change Icon screen pops up Click Browse to enter path for CDN366 icon file You can download the icon file from www mksinst com Change Icon Jf g E E 3 JE s MKS Instruments Inc D I P Products Group 57 CDN36X User Manual revision 1 30 10 Enter the path to CDN366 icon file in the File name box Click Open to continue Look in o Networks v GO ej Ee 3 CDN366R2 64 5 CDN366R2 74 C CDN366R2 80 File name le CDN366 ico Files of type Icon Files ico hwx dil v Cancel AA 11 The CDN366 icon should have changed to the proper icon Click Next to continue Rockwell Software s EDS Wizard Change Graphic Image You can change the graphic image that is associated with a device Product Types g Communication Adapter lt Back Next gt Cancel MKS Instruments Inc D I P Products Group 58 CDN36X User Manual revision 1 30 12 The final step is to finish EDS file registration Click Next gt to complete the registration process Click Finish to close the EDS Wizard window Rockwell Software s EDS Wizard Final Task Summary This is a review of the task you want to complete You would like to register the following device lt Back Cancel Rockwell Software s EDS Wizard Completing the EDS Wizard A A You have successfully completed the EDS Wizard MKS Ins
10. Browse for network Select a communications path to the desired network V Autobrowse E Workstation MDSIMS1 25 Linx Gateways Ethernet Fe 1770 KFD 1 DeviceNet 00 1747 SDN Scanner Module 03 Unrecognized Device 1 62 Workstation MDSIMS1 OK Cancel Help MKS Instruments Inc D I P Products Group 54 CDN36X User Manual revision 1 30 4 Click Cancel to close Browse for network window Select the EDS Wizard operation from the Tools menu Click Next gt to continue Rockwell Software s EDS Wizard X Welcome to Rockwell Software s EDS Wizard The EDS Wizard allows you to register EDS based devices unregister a device change the graphic images associated with a device create an EDS file from an unknown device Cancel 5 Select the Register an EDS file s option and click Next gt Rockwell Software s EDS Wizard Options What task do you want to complete Unregister a device This option will remove a device that has been registered by an EDS file from our database Change a device s graphic image This option allows you to replace the graphic image icon file associated with a device Create an EDS file This option creates a new EDS file that allows our software to recognize your device lt Back Cancel MKS Instruments Inc D I P Products Group 55 CDN36X User Manual revision 1 30 6 Select Register a single file option Browse for your gatew
11. Edit 1 0 Parameters 03 CDN366 4 Change of State Cyclic A E Ax Size Bytes r Rx Size Polled Tx Size Ra Size o Bytes Heartbeat Rate Tx Size jo Bytes Pall Rate Every Scan v Cancel Restore 1 0 Sizes 9 RSNetworx prompts to Automap the new input and output data bytes Select Yes to automap If you select No then you must manually map the I O bytes in the memory tables MKS Instruments Inc D I P Products Group 78 CDN36X User Manual revision 1 30 Scanner Configuration Applet Y The changes that have been made result in additional I O data that is not mapped Do you want to Automap this data 10 RSNetworx prompts if you want to download the changes to the 1747 SDN Click Yes Scanner Configuration Applet 2 Do you want to download these changes to the device 11 Select the Input tab to view the automapped CDN366 input bytes 1747 SDN Scanner Module General Module Scanlist Input Output Summary 03 CDN366 4 Polled 2 1 1 0 Advanced Options Memory Discrete v Start Word 0 Bits15 0 15 14 13 12 11110 9Je 7felsjafafz 1lo Els Read Only 03 CDN366 41 ii MKS Instruments Inc D I P Products Group 79 CDN36X User Manual revision 1 30 12 Click the Advanced button to view current input mapping detail Change the mapping to suit your application Click Apply Mapping button after you make changes Click Yes
12. Parameter Current Value Baud Rate Data Bits Parity Stop Bits Flow Control Delimiter Mode Timeout Packet Length 9600 bits per second 8 Data Bits None 1 None XXXXX0D01 1 ms 1 bytes revision 1 30 i Rx Inst 1 Receive 0 Rx Inst 1 Receive 0 Rx Inst 1 Receive XXXXXO11 Rx Inst 1 Data Type 194 Rx Inst 1 Data Size 1 bytes Rx Inst 1 Conver 68 Cancel Apply Help The CDN36X gateway has three Object types The Serial Stream Object is used to configure the serial channel physical interface This object will be configured in this section The Serial Receive Object and Serial Transmit Object are in the next sections MKS Instruments Inc D I P Products Group 65 CDN36X User Manual revision 1 30 8 Select the Serial Stream Object from the Groups pull down menu to view this object s parameters CDN366 4 General Parameters I O Defaults EDS File Select the parameter s that you want to configure and initiate an action using the toolbar Groups Serial Stream Obje v ig a All Values v sl ES ES ID gt Parameter CurrentWalue Baud Rate 9600 bits per second Data Bits 3 Data Bits Parity None Stop Bits 1 Flow Control Delimiter Mode Timeout Packet Length 153 Serial Status 154 i Poll Produce Size 155 amp Poll Consume Size aon oon bk wo Ne None XXXXXOOL 1 ms 1 bytes 00000000 5 15 Cancel Apply Help You may now edit the
13. data Make sure Transmit Toggle is being toggled If applicatoin does not toggle Transmit Toggle Gateway will not transmit data Verify data is being saved in Transmit Data 1747 SDN Scanner displays error code 77 Gateway I O Produce Size and or I O Consume Size value do not match 1747 SDN I O Rx Tx settings MKS Instruments Inc D I P Products Group 90 CDN36X User Manual revision 1 30 Appendix A Product Specifications DeviceNet Interface Power Requirements 11 28 Vdc 50 mA Loss of Ground Yes Reverse Polarity 30 Vdc Signal Levels ISO11898 Serial Channel Isolation 500 Volts ESD Protection 10 kV Overload Protection 30 Volts Short Circuit Indefinite RS232 Output Levels 7 9 Volts unloaded typical Environmental Operating Temperature 0 C to 70 C Storage Temperature 25 C to 85 C Size inches 3 25 x 2 37 x 1 08 Mounting inches 0 5 tabs 3 16 diameter mounting holes PCB Encapsulation RTV Silicon Compound MKS Instruments Inc D I P Products Group 91 CDN36X User Manual revision 1 30 Appendix B DeviceNet Template Attribute Default Setting MKS Instruments Inc D I P Products Group 92 CDN36X User Manual revision 1 30 Appendix C ASCII Character Codes Non Printable Characters Printable Characters rato Characters EA E AO AO IA Null Start of heading Start of text End of text End of transmit ONOG RON O Backspace Horizontal ta
14. 1 TEMP xxx C It receives an integer value from the DeviceNet scanner converts it to 3 ASCII characters builds a message packet and transmits it The Transmit Mode is Use String Before Data Use Data and Use String2 After Data String is TEMP String is C The Data Type is INT to cover the 50 to 400 range The Width is 3 and the Conversion is set for decimal with no leading zeros Serial Transmit Object Instance 1 Configuration Class Code 66 or 0x42 Attribute Data Class Instance Attribute Data Description 6 Transmit Mode 19 0x42 0x01 0x06 0x13 Use Data String Before String2 After 7 String 0x07 TEMP 0x42 0x01 0x07 0x07 0x54 0x45 0x4D 0x50 Short String length 7 TEMP 0x20 0x3D 0x20 8 String2 0x04 C 0x42 0x01 0x08 0x04 0x20 0x43 0x2C 0x20 Short String length 4 C 9 Data Type 195 0x42 0x01 0x09 0xC3 INT 16 bit signed integer 11 Width 3 0x42 0x01 0x0B 0x03 convert to 3 ASCII bytes 13 Conversion 1 0x42 0x01 Ox0D 0x01 represent integer in decimal 15 Data in I O Command 1 0x42 0x01 OxOF 0x01 enable data in I O command MKS Instruments Inc D LP Products Group 88 CDN36X User Manual revision 1 30 Serial Transmit Object Instance 2 is configured to transmit the last part of Message 1 xxx F lt CR gt lt LF gt It receives an integer value from the DeviceNet scanner converts it to 3 ASCII characters builds a message packet and transmits it Th
15. Data Instance 1 RX Data Instance 8 The first byte contains the Transmit Acknowledge bits for all 8 Serial Transmit Object Instances The second byte contains the Receive Toggle bits for all 8 Serial Receive Object Instances These two bytes are used by the CDN36X and application program to synchronize the transmit and receive operations The remaining bytes are the Receive Data attributes for every enabled Serial Receive Object Instance The number of bytes is determined by the Data Size configured for each enabled Instance For real and integer numbers the Data Size is predefined by the selected Data Type For Short String data byte the Data Size attribute is user defined The following equation is used to calculate the CDN36X I O Produce Size Only include the Data Size for enabled Serial Receive Object Instances Transmit Acknowledge Byte 1 Receive Toggle Byte 1 Serial Receive Object Instance 1 Data Size Serial Receive Object Instance 2 Data Size Serial Receive Object Instance 3 Data Size Serial Receive Object Instance 4 Data Size Serial Receive Object Instance 5 Data Size Serial Receive Object Instance 6 Data Size Serial Receive Object Instance 7 Data Size Serial Receive Object Instance 8 Data Size VO Produce Size Once you have the gateway configured for your application you can also read the Serial Stream Object s I O Produce Size attribute to find out the required number of output bytes MKS Instruments Inc D I P P
16. I P Products Group 76 CDN36X User Manual revision 1 30 1747 SDN Scanner Module General Module Scanlist Input Output Summary Available Devices Scanlist 5 03 CDN366 4 Node Active ae Key gt Upload from Scanner 7 Device Type Download to Scanner Sn or higher Cancel Apply Help 6 Select the Automap on Add checkbox if you want RSNetworx to automatically map the CDN366 input and output bytes into the 1747 SDN memory 7 Select the CDN366 under Available Devices and click the gt button to transfer to Scanlist 1747 SDN Scanner Module General Module Scanlist Input Output Summary Available Devices Scanlist 03 CON3E6 4 MV Automap on Add V Node Active Upload from Scanner Peri se V Device Type Y Vend Download to Scanner 4 CIS CAE je Maior Revision Edit 1 0 Parameters Arka lata Cancel Apply Help MKS Instruments Inc D I P Products Group 77 CDN36X User Manual revision 1 30 8 RSNetworx warns that the CDN366 does not contain any I O data Click OK to continue Scanner Configuration Applet WARNING Node 03 CDN366 4 does not contain any I O data 8 Click on the Edit I O Parameters button Use the and v buttons to set Rx Size to the calculated I O Consume Size value and the 7x Size to the calculated I O Produce Size value Click OK to update I O parameters
17. Instruments Inc D I P Products Group 46 CDN36X User Manual revision 1 30 CONNECTION OBJECT The Connection Object instances manage the characteristics of each communication connection The CDN36X is a Group 2 Only Slave device that supports 1 Explicit Message Connection and 1 VO Message Connection i j Class Code 05 0x05 1 Ga Revision INT Instance Access Value O 6 lt C D 6 gt lt ja T 0 non existent 1 configuring 2 established 3 timed out 0 Explicit Message 1 VO Message Transport Class Trigger USINT 0x83 for Explicit Message 0x82 for I O Message Get Production Connection UINT Explicit Message 10xxxxxx011 produced connection id 10xxxxxx100 consumed connection id I O Message 01111xxxxxx produced connection id 10xxxxxx101 consumed connection id Instance Type Ga USINT 0x21 for Explicit Message Characteristics 0x01 for I O Message 67 for Explicit Message See Stream Object for I O Message UINT 71 for Explicit Message See Stream Object for I O Message UNT USINT 0 for Explicit Message 6 for I O Message 14 Get STRUCT of Null for Explicit Message STRUCT for I O Message I Log Seg Cs USINT 0 Timeout Explicit Message default 1 Auto Delete 2 Auto Reset I O Message default Attribute a 12 3 1 3 Ss ds g al isl 3 Z 4 Z Z s 4 8 4 E 4 4 Default 2500 msec Class Number Log Seg Instance USINT I
18. Size attributes for all 8 Serial Receive Object instances must sum to a total of less than or equal to 128 bytes and all 8 Serial Transmit Object instances must sum to a total less than or MKS Instruments Inc D I P Products Group 38 CDN36X User Manual revision 1 30 equal to 128 bytes regardless of whether an instance is enabled or not Set unused instances Data Type attributes to USINT or SINT which have a 1 byte Data Size Width Required for SINT INT USINT UINT REAL Data Types Defines the number of ASCII bytes 1 16 that will represent the integer or real number Precision Required for REAL Data Type Defines the number of digits 0 to 6 after the real number decimal point Gateway adds trailing zeros to the converted value if needed Conversion Selects Leading Zeros and Hex or Decimal representation The following are valid options for the Conversion byte bit 7 bit 0 decimal hex description 0 0 0 0x00 no leading zeros decimal integer 0 1 1 0x01 no leading zeros hexadecimal integer 1 0 128 0x80 leading zeros decimal integer 1 1 129 0x81 leading zeros hexadecimal integer When bit 0 0 the ASCII bytes represent the Transmit Data integer number in a decimal format When bit 0 1 the ASCII bytes represent the integer number in a hexadecimal format This bit only applies to SINT INT USINT and UINT Data Types When bit 7 1 leading zeros are added to real and integer numbers as needed to match t
19. and inserted by the transmitter The receiver calculates the parity of an incoming byte and compares it to the parity bit sent by the transmitter If the two bit values do not match then at least one serial bit value was corrupted during transmission Flow control allows the receiving device to regulate the rate of incoming data Hardware flow control uses RTS CTS signals between the devices to control the rate of transmission Software flow control uses serial characters XON OFF to control the rate Flow control helps protect against lost data if the receiving device cannot store incoming data fast enough or if the receiving device s buffer is full and cannot accept more data until it processes existing data Data Conversion The CDN36X gateway can either pass through received serial message bytes to your application or pre process an ASCII string into a numerical value The gateway can transmit a string of message bytes sent by the application or it can convert a numerical value into an ASCII string to be transmitted Using the gateway s data conversion feature offloads this cumbersome task from your application program especially if it is a PLC ladder logic application It also reduces the required number of DeviceNet input and output bytes since converted values instead of entire message strings are transferred over DeviceNet The gateway conversion process supports the following data types Data Type Data Size Value Range SINT
20. at the RSNetworx prompt to download any changes to the 1747 SDN Click Close to continue Polled 0 0 Discrete 1 0 lt not mapped gt lt not mapped gt lt not mapped gt Map From r Map To Message Polled v Memory Discrete Byte 0 Word 1 4 a Bit 0 Bit S _tervMarpng Plena p Delete Mapping E 13 Select the Output tab to view the automapped CDN366 output bytes 1747 SDN Scanner Module General Module Scanlist Input Output Summary 03 CDN366 4 Polled 2 Advanced Options Memory Discrete v Start word 0 bits 15 0 15 14 13 12 11 10 9 e 7 6 5 4 3 2 1 0 0 1 0 Read Only 03 CDN366 41 ololololojo EEE FIRE Oi Ajo jpij ojo H coy oD Cancel Apply Help MKS Instruments Inc D I P Products Group 80 CDN36X User Manual revision 1 30 14 Click the Advanced button to view current input mapping detail Change the mapping to suit your application Click Apply Mapping button after you make changes Click Yes at the RSNetworx prompt to download any changes to the 1747 SDN Click Close to continue Discrete 1 0 lt not mapped gt lt not mapped gt lt not mapped gt r Map From r Map To Message Polled v Memory Discrete v Byte 8 Word 1 Bit 0 Bit Apply Mapping Bit Lenath Delete Mapping Help MKS Instruments Inc D I P Products Group 81 CDN36X User Manual r
21. exchange of input and output data between the gateway and DeviceNet master using Polled or Change of State I O messaging The third process is receiving serial messages and converting it to input data The fourth process is converting output data and transmitting it as serial messages To ensure that no information is lost between the gateway s serial channel and the user application program the CDN36X incorporates a receive synchronization feature and a transmit synchronization feature I O Exchange between I O Exchange between DeviceNet Master and CDN36X gateway and Application DeviceNet Master Convert serial message into Input Data Input oes Inputs DeviceNet I O Response Receive input data a i Message Packet Convert Output Data Outputs into serial message Output File o DeviceNet 1 0 Command output data Transmit C eee gt Message Packet DeviceNet Master Serial Device Application Program CDN36X Gateway DeviceNet network Receive Synchronization The gateway receive synchronization feature is optional for each Serial Receive Object instance It is enabled by the Sync Enable attribute When enabled the instance will not process a new message packet until the last Receive Data value has been read and acknowledged by the application program When a Serial Receive Object Instance updates its Receive Data value it also toggles its Receive Toggle bit to indicate
22. into a number For transmitted messages Width defines how many ASCII bytes will be generated to represent the number The Width value must include ASCII sign exponent E and decimal point characters Width is not used for Short_String data types MKS Instruments Inc D I P Products Group 19 CDN36X User Manual revision 1 30 The Precision attribute is only used for transmitted messages It defines the number of digits 1 to 6 after the decimal point for a floating point number The gateway will automatically add trailing zeros to the converted number if needed Precision is only used for the REAL data type The following examples show how to calculate the Data Size Width and Precision attributes for the different Data Types Remember to add a length byte to the Short_String Data Size Data Type ASCII chars Data Size Width Precision SINT 12 3 not used INT 12345 2 6 not used USINT 123 1 3 not used UINT 1234 2 4 not used REAL 1 23E 4 4 7 2 REAL 1 1234E 12 4 11 4 Short_String ABCDEF 7 length 6 not used not used The Conversion attribute is different for Serial Receive Object and Serial Transmit Object For the Serial Receive Object the Conversion attribute denotes if the ASCII bytes represent a decimal integer or a hexadecimal integer If decimal is selected then the gateway converts the ASCII bytes as a decimal number If hexadecimal is selected then the gateway converts the ASCII bytes as a hex
23. into two ASCII chars 0x31 0x39 The three message packets are transmitted sequentially so complete message is STX V8 034 REF 19 ETX Asynchronous Serial Communictaion Devices communicating on an asynchronous serial link exchange information one bit at a time Each bit is transmitted for a specific period of time defined by the baud rate Devices use internal timing circuitry to measure the baud rate There is no clocking signal between devices to synchronize the serial data flow hence the term asynchronous serial communications Serial data bits are organized into bytes When a data byte is asynchronously transmitted it is preceded by a start bit followed by the data bits an optional parity bit and one or more stop bits There can be a variable transmission delay between successive serial data bytes since each byte is framed by its own start and stop bits The receiver starts saving serial bits after is receives a valid start bit 0 and stops when it receives the expected number of stop bits 1 The data byte s least significant bit is transmitted first data bit 0 and the most signficant bit is transmitted last data bit N start bit data bit O data bit 1 data bit N optional parity bit stop bit s MKS Instruments Inc D I P Products Group 18 CDN36X User Manual revision 1 30 The parity bit is used to detect single bit errors in the transmission The parity bit is automatically calculated
24. lt CR gt lt LF gt 9 Data Type 198 0x42 0x03 0x09 OxC6 USINT 8 bit unsigned integer 11 Width 1 0x42 0x03 Ox0B 0x01 convert to 1 ASCII bytes 15 Data in I O Command 1 0x42 0x03 OxOF 0x01 Enable data in I O command Make sure the Serial Transmit Object instances 4 8 are disabled since only Instances 1 3 are used in this application The gateway expects to receive 7 output bytes from the DeviceNet scanner in the I O Command Message The I O Produce Size is 7 with the data organized as follows TX Toggle bits 000000xx RX Acknowledge bits Inst 1 data Inst 2 data Inst 3 data 1 byte 1 byte 2 bytes 2 bytes 1 byte The application should send Instance 1 and Instance 2 data bytes at the same time so that the values can be converted and transmitted sequentially to build Message 1 Instance 1 will build its message packet first and load it into the transmit buffer Instance 2 will build its message next and load it into the transmit buffer The result is the transmission of the entire Message 1 string complete with temperature values in C and F Because the gateway does not support a NULL data byte the scanner must still send a data value to Instance 3 The Instance does not use the byte but instead is triggered by its Transmit Toggle bit to send Message 2 Transmit synchronization must be used The application toggles Instance and 2 Transmit Toggle bits in the I O Command Message when it sends new temperature values and mo
25. number 1234 gt If decimal integer 1234 1234 gt If hexadecimal 0x1234 integer 4660 For the Serial Transmit Object the Conversion attribute also denotes if the ASCII bytes represent a decimal or hexadecimal integer If decimal is selected then the gateway converts the integer into a decimal ASCII representation If hexadecimal is selected then the gateway converts the integer into a hex ASCII representation Integer 1234 gt If decimal ASCII representation 1234 Integer 1234 gt If hexadecimal ASCII representation 04D2 The Serial Transmit Object Conversion attribute can also be used to insert leading zeros into a converted number If the ASCII representation of a number contains fewer characters than the selected Width then leading zeros can added in front of the number Integer 1234 Width 7 gt If leading zeros enabled ASCII representation 0001234 Integer 1234 Width 7 gt If leading zeros disabled ASCII representation 1234 The following examples show a variety of different gateway data conversions for received and transmitted data values MKS Instruments Inc D LP Products Group 20 CDN36X User Manual revision 1 30 Example 1 Data Type Short_String Data Size 9 Received ASCII data is 12345678 The Serial Receive Object Instance coverts this to 9 bytes of Receive Data 0x08 0x31 0x32 0x33 0x34 0x35 0x36 0x37 0x38 or 0x08 12345678
26. signed 8 bit integer 1 128 to 127 INT signed 16 bit integer 2 32768 to 32767 USINT unsigned 8 bit integer 1 0 to 255 UINT unsigned 16 bit integer 2 0 to 65535 REAL 32 bit floating point 4 1 175E 38 to 3 4028E 38 Short_String byte array 2 to 128 string of bytes 1 byte defines length The Serial Transmit Object and Serial Receive Object Instances attributes configure the conversion process for transmitted and received messages The Data Type attribute selects the desired data type for an instance s Receive Data or Transmit Data value The Data Size attribute represents the number of bytes used by the selected data type You must select the maximum data size expected for your application if using the Short_String data type The Short_String byte array format is a length byte followed by data bytes so you must add one to the expected number of bytes The table above defines the data size for all other data types The CDN36X gateway supports a maximum of 128 bytes for the 8 Serial Transmit Object Instances Transmit Data values and 128 for the 8 Serial Receive Object Instances Receive Data values regardless of whether an instance is enabled or not Configure all unused instances to USINT or SINT Data Type because it has a 1 byte Data Size The Width attribute defines the number of ASCII bytes 1 to 16 used to represent a real or integer number For received messages Width defines the number of ASCII bytes that will be converted
27. 00 to 63 Setting a MAC ID address greater than 63 forces the gateway to use the MAC ID saved in retentive memory To save a valid MAC ID in memory set the switches to the desired MAC ID and power up the CDN36X for a few seconds Power down and set the switches to value greater than 63 You may also write to the DeviceNet Object MAC ID attribute MSB LSB Address MSB LSB Address 0 0to9 00 to 09 6 4to9 stored address 1 0to9 10 to 19 7 0 to 3 stored address 2 0to9 20 to 29 8 0to9 stored address 3 0to9 30 to 39 9 0to9 stored address 4 0to9 40 to 49 5 0to9 50 to 59 6 0 to 3 60 to 63 MKS Instruments Inc D LP Products Group 28 CDN36X User Manual revision 1 30 Power Up Gateway Connect the gateway to a DeviceNet network to power up the gateway DeviceNet Status LEDs The CDN36X gateway has two bi color status LEDs VET and MOD that indicate operational status During power up the LEDs cycle through a sequence of alternating red and green After power up the NET LED should be flashing green or solid green if allocated to a DeviceNet master and the MOD LED should be solid green If this does not occur disconnect from DeviceNet and verify all the switch settings See Chapter 8 for additional troubleshooting topics State DeviceNet Status LED NET Off No power Flashing Red Configuration error Check DeviceNet switch settings Solid Red Unrecoverable error Flashing Green Device not allocate
28. 0x39 0x41 0x42 0x43 0x44 0x45 Data 0x30 0x31 0x32 0x33 0x34 0x35 0x36 0x37 0x38 0x39 0x41 0x42 0x43 0x44 0x45 Data 0x30 0x34 0x32 0x33 0x34 0 0x36 0x37 0x38 0x39 0x41 0x42 0x43 0x44 0x45 Pre String Data Post String H 0 0x31 0x32 00x33 0x34 0 D I P Products Group 0x36 0x37 0x38 0x39 0x41 0x42 0x43 0x44 0x45 Data Nn CDN36X User Manual revision 1 30 Example 2 Serial Receive Object Instances 1 amp 2 are configured to process two different ASCII message strings Each instance uses unique Pre String and Post String values to identify its message string in the message packet Instance 1 message string VALUE xxx U Instance 2 message string VAR B IS xxx Serial Stream Object configured to capture a message packet delimited by STX 0x02 and ETX 0x03 characters Delimiter Mode List Mode Pre Delimiter 0x02 Post Delimiter 0x03 Delimiter characters are not saved in the message packet Serial Receive Object Instance 1 configured to convert 3 ASCII bytes bracketed by Pre String VALUE and Post String U into an 8 bit unsigned integer Receive Mode Use Pre String Use Data Use Post String fields Pre String 0x08 VALUE Post String 0x02 U Data Type USINT Conversion Decimal Serial Receive Object Instance 2 configured to convert 3 ASCII bytes bracketed by Pre String VAR B IS into an 8 bit unsigned integer Receive Mode Use Pre String
29. 500 MKS Instruments Inc D I P Products Group 52 CDN36X User Manual revision 1 30 Configure DeviceNet Interface Follow instructions in Chapter 4 to set the gateway s rotary switches to 125Kbps baud rate and MAC ID to 03 Connect the gateway to the DeviceNet network to power it up During power up the NET and MOD LEDs cycle through a sequence of alternating red and green After power up the NET LED should be flashing green and the MOD LED should be solid green Connect amp Register EDS File 1 Start up the RSNetworx program Select the Online operation from the Network menu DeviceNet RSNetWorx for DeviceNet File Edit View Network Device Tools Help EN as M ER SEE Properties m4 M Graph Spreadsheet I Master Sle gt Message Code Toggle the online state of the network Offline MKS Instruments Inc D LP Products Group 53 CDN36X User Manual revision 1 30 2 The following text box should pop up showing the networks connected to your computer Browse for network Select a communications path to the desired network IV Autobrowse El Workstation MDSIMS1 3 Linx Gateways Ethernet 5 1770 KFD 1 DeviceNet 3 Click on the 770 KFD 1 to show all connected DeviceNet devices The gateway is at MAC ID 03 verifying its DeviceNet connection It is an Unrecognized Device until the gateway s EDS file is registered with RSNetworx
30. After MKS Instruments Inc D I P Products Group 37 CDN36X User Manual revision 1 30 String attribute defines the byte string for the String Before and String After fields Data Size attribute defines the number of bytes expected in the Data field String2 attribute defines the byte string for the String2 Before and String2 After fields While the Data field is typically selected you can configure an Instance to transmit a predefined message using Stringl and or String2 without requiring any output data bytes from the DeviceNet master When the String Before and or String2 Before bits are set the Instance places the respective byte string s at the beginning of the message packet If both options are selected Stringl is placed before String2 The Instance then loads the converted data bytes in the Data field If the Stringl After and or String2 After bits are set the Instance places the respective byte string s at the end of the message packet If both options are selected then String is placed before String2 The message packet is then loaded into the Transmit Buffer to be sent out the serial channel Stringl Required if String Before or String After selected in Transmit Mode Enter a string of 1 9 bytes in Short_String data format with 1 byte string length Example String1 is 0x02 0x41 0x42 where string length is 2 and post string characters are 0x41 A and 0x42 B You must use the RSNetworx Class In
31. BTECL a se 46 CONNECTION OBJECT ui A s E SAS S Ss S ss SS EES ER ss 47 SERIAL STREAM OBIE GL lt s trusi i Boks S S cada 49 SERTAL RECEIVE OBJECT satuatssi n su is Basis A r 50 MKS Instruments Inc D LP Products Group 2 CDN36X User Manual revision 1 30 SERTAL TRANS MITOBIE CT it 51 CHAPTER 6 RSNETWORX CONFIGURATION EXAMDPLE cssssccssssscccssssccesssccccssseccccsscccsssssccsessnees 52 CONFIGURE DEVICENET INTERFACE 53 CONNECT amp REGISTER EDS FILE c ccececocococscocosececovecovscocovevecovesecscevevecscvssevscevevevsseseseescovesecsceeeseesceseseveseeeseescoees 53 CONFIGURE SERIAL CHANNEL k sgsce codecs covecdsscececacs tad dt atleta ita reste tte 61 CONFIGURE SERIAL RECEIVE OBJECT NSTANCES aaa 69 CONFIGURE SERIAL TRANSMIT OBJECT INSTANCES oooccccccccconcncnonononononononnnonononononononnnnnnnnononononononononononononeneneneneneneso 72 CONFIGURE DEVICENET MASTER SCANLIST ccccccccccccccccccccceccucecceceescsesceeseseseeeeesesesesesesesesesesescscscesesecsseseseseseeeseeees 75 CHAPTER 7 CONFIGURATION EXAMPLE G ssssccsssssscsssssccssssccssssccccsssccccssssccesssccscssseccscsssssscnsceccssnnees 82 EXAMPLE 1 RECEIVING DATA E ai 82 Barcode Scanner a SR as 82 CDN366 GateWay iio dia 82 EXAMPLE 2 RECEIVING DELIMITED DATA cccccccscccccccscecccccscocscecevececececectcevevecceccesececevececececececescveveccesossectsevevesvoses 84 Barcode Cant id 84 GDN3606 Gateway vcs pat
32. CDN36X 9 RESPONSE MESSAGE gt DeviceNet Device m Gateway Master lt SIX SET T 82C CR ETX lt 1 0 COMMAND MESSAGE 1 Transmit Data received from DeviceNet master I O COMMAND MESSAGE TT 00000001 RA 0x52 STO4 Data STO7 Data TT Transmit Toggle bits Instance 1 bit toggled 0 1 RA Receive Acknowledge bits 0x52 Instance 1 Transmit Data 2 Serial Transmit Object Instance 1 converts data to ASCII Data Type SINT Width 2 Conversion D 0x52 0x52 hex gt 82 decimal gt 82 or 0x38 0x32 0x38 0x32 3 Instance 1 builds message amp loads into transmit buffer V String 0x09 0x02 SET T 0x02 0x53 0x45 0x54 0x20 0x54 0x20 0x3D 0x20 0x38 0x32 0x20 0x43 0x0D 0x03 Data 82 String2 0x04 C 0x0D 0x03 4 Gateway transmits message Serial Data Stream hex bytes 0x02 0x53 0x45 0x54 0x20 0x54 0x20 0x3D 0x20 0x38 0x32 0x20 0x43 0x0D 0x03 Serial Data Stream ASCII lt STX gt S E T lt SP gt T lt SP gt lt SP gt 8 2 lt SP gt C lt CR gt lt ETX gt MKS Instruments Inc D I P Products Group 24 CDN36X User Manual revision 1 30 Synchronization There are four independent processes operating in a CDN36X gateway application The first process is the exchange of input and output data between the user application program and the DeviceNet master The second process is the
33. CDN36X Series DeviceNet Gateway User Manual CDN366 1 isolated RS232 channel CDN367 1 isolated RS422 RS485 channel CDN36X User Manual revision 1 30 Table of Contents CHAPTER 1 OVERVIEW siccssiscssccosscsssocissonsocsesenscsdescosscinccassvsdessdessocssvestoosevecsesesecsesssbecsesnsiesdecossonscedsccossetecssbeseoes 4 CHAPTER 2 INSTALLATION issssscsessssssssccscccsntecssoossssdevesecsesdsecsdevsssesbecesoessessssessccssdevtssesdeceissssecssssetecsosssscsdsesesecs 5 MOUNTING IT 5 WIRING sit esat ASA ad ss tada tdi 6 DeviceNet Interface pod 6 Serial Channel Interface a 6 Vine Examples A das 7 CHAPTER 3 THEORY OF OPERATION ccsssccsssssscesssccsssssccsssscccsssssccccssscccesssccsessnsccccssssscsssacesesssssccsscsecess 8 CHAPTER 3 THEORY OF OPERATION csssccsssssscesssscccsssccesssccccsssccccssscccsssscscessssccscssscccsssacscessnsscessssecees 9 GATEWAY OPERATION tia da a a o O Be do asi DeviceNet Object Modelo iii ori Ws os tes MS iia ag sus ss is sti DeviceNet Object Modelo caia bay Faced See a S aga s DeviceNet Interface iii ed dat ass tas ch aye di sv t asas st Serial Channel Interface tn is dio is Ss sis t s Serial Stream Object susi id is Serial Receive Object tdi dl EEA AA AE A AA EEEE A Serial Transmit ODj ct sasit ad A taisies Asynchronous Serial Communictaion Data Conversio aenar e E EEE Serial Receive Example ai te da Serial Transmit Example cesesesccsce
34. GNAL DESCRIPTION 1 RXA RS422 differential receive data input signal 2 RXB RS485 differential receive data input signal 3 TR Internal 120Q Terminating Resistor connected between pins 1 and 3 Connect pin 3 to pin 2 to terminal RX signals Use at end of long twisted pair cable 4 NC No Connect Do not connect any wires to NC pins 5 GND Ground 6 TXA RS422 differential transmit data output signal 7 TXB RS422 differential transmit data output signal 8 TR2 Internal 120Q Terminating Resistor connected between pins 6 and 8 Connect pin 7 to pin 8 to terminate TX signals Use at end of long twisted pair cable 9 5VDC Auxiliary 5VDC supply generated by CDN36X Wiring Examples The following are typical CDN36X gateway wiring configurations Your RS232 or RS422 485 interface may vary Refer to your device s documentation for the required data and control signals Simple RS232 Interface 2 RXD RXD 2 3 TXD SL TXD 3 RS232 5 GND GND 5 Serial Device MKS Instruments Inc D LP Products Group 4 CDN36X User Manual revision 1 30 RS232 Interface HW Flow Control A RS232 CDNx66 Serial rs 3 at g l Device Simple RS485 Interface Serial Device Connect pins 2 amp 3 to terminate cable RS422 4 Wire Interface RS422 Serial Device Connect pins 2 amp 3 RX and NO pins 7 amp 8 TX to terminate cables Connect pins 4 amp 5 MKS Instruments
35. I O Command data field contains the Transmit Toggle bits for Serial Transmit Object instances 1 8 The second byte contains the Receive Acknowledge bits for Serial Receive Object instances 1 8 The remaining data bytes are the Transmit Data for the enabled Serial Transmit Object instances In this I O Command Serial Transmit Object Instance 1 receives a toggled Transmit Toggle bit indicating the application has sent a new Transmit Data value to Instance 1 Serial Transmit Object Instance 1 is configured for SINT Data Type with Width of 2 and Conversion set for decimal with no leading zeros Instance 1 converts its new Transmit Data value 0x52 into the ASCII string 82 The Instance s Transmit Mode attribute is set for String Before Data and String2 After The resulting serial message that gets loaded into the gateway transmit buffer consists of String 82 String2 The message will be sent when the serial channel transmitter is available When the new message is loaded in the transmit buffer Instance 1 toggles its Transmit Acknowledge bit indicating that is it ready to receive the next Transmit Data value The updated Transmit Acknowledge bit is sent to the application in the next DeviceNet I O Response Message There may have been subsequent DeviceNet I O message transactions in between the time Instance received the new Transmit Data value and the time it toggles its Transmit Acknowledge bit Serial Transmit Process Serial
36. IS 080 4 Serial Stream Object receives Message Packet 4 VAR B IS 080VALUE 122 UNITS Serial Receive Object Instance 1 finds matching Pre String and Post String values converts 122 data field into 0x7A VAR PAIS EPP S Serial Receive Object Instance 2 does not find matching Pre String value so VAR BIS 080VALUE 122 UNITS skips this message packet Note that Instance 1 consumes the Instance 2 message string bytes when parsing for its message string MKS Instruments Inc D LP Products Group 16 CDN36X User Manual revision 1 30 Serial Transmit Object The Serial Transmit Object receives an output data value from the DeviceNet master in the I O Command Message The object converts the output data into a serial message packet to transmit out the serial channel The output data format can be a Short_String byte array with 1 byte length a signed or unsigned integer or a real number data type An integer or real number can be converted into ASCII characters that represent the numerical value before it is transmitted String I and String2 character strings can be placed before and or after the converted data in the message packet allowing you to build and transmit complex messages The following examples show how the Transmit Serial Object can be configured to convert a data value into a message packet Instance Message Packet String String2 Data String String2 1 Output Data Bytes 2 Output Data Byte 3 Ou
37. Inc D LP Products Group 8 CDN36X User Manual revision 1 30 Chapter 3 Theory of Operation This chapter describes how the CDN36X gateway operates You should have a working knowledge of DeviceNet and asynchronous serial communications before continuing The Open DeviceNet Vendors Association www odva com is a good source for general DeviceNet information Refer to your serial device documentation for its protocol information Gateway Operation The CDN36X gateway receives asynchronous serial messages over its serial channel converts them to data values and returns the values as input data to the DeviceNet master The gateway receives output data from the DeviceNet master converts them into serial messages and transmits the messages out its serial channel The following diagram shows the major gateway components DC DC Power Conversion e 24VDC DeviceNet power input e VDC for Core amp DeviceNet channel Dee E Slotnrasiid e isolated VDC for serial channel output data Male DB9 connector 5 pin male o connector Gateway Core ES K X microcontroller a lt gt RAM q serial ye Flash ROM A messages Z Devicenet 1 0 Response DeviceNet Channel 24VDC power communications communications e flow control input data DeviceNet Object Serial Stream Object or Rotary Switches Serial Transmit Object Serial Receive Object up to 8 Ins
38. LP Products Group 70 CDN36X User Manual revision 1 30 Data Type Click on current value to change Enter decimal number of desired data type Data Size Click on current value to change Enter the desired Short_String data size in bytes 2 128 Do not enter a Data Size for integer or real number Data Types Width Click on current value to change Enter expected width as decimal number 1 16 Conversion Type Click on current value to change Enter D for decimal and X for hex Data in I O Response Click on current value and select from pull down menu Enabled Click on current value and select from pull down menu Select Ignore this instance to disable the Serial Receive Object instance Select Search receive string to enable the Serial Receive Object instance Sync Enabled Click on current value and select from pull down menu Select Sync Off to disable synchronization Select Sync On to enable synchronization MKS Instruments Inc D I P Products Group 71 CDN36X User Manual revision 1 30 Configure Serial Transmit Object Instances There are eight identical Serial Transmit Object instance parameter sets that can be configured in the CDN366 gateway The following describes how to configure Serial Transmit Object Instance 1 Program the other instances following the same procedure 1 Using RSNetWorx open the CDN366 gateway Properties window Select the Parameters tab Select Tx Inst 1 from the G
39. N36X User Manual revision 1 30 Chapter 2 Installation This chapter describes how to install and connect the CDN36X gateway to a DeviceNet network and your serial device Mounting Mount on a horizontal or vertical surface While the RTV encapsulation protects its circuitry the CDN36X serial channel connector is not rated for NEMA4 IP65 environments Mount the gateway in a suitable location or enclosure for your application The gateway will generate up to 1 4W of heat so provide sufficient clearance and airflow to maintain 0 C to 70 C operating temperature range Use two screws not provided in the 0 19 inch mounting holes shown below to fasten the CDN36X to the mounting surface All dimensions are inches j 0 625 DIA On Case Wall MKS Instruments Inc D I P Products Group 5 CDN36X User Manual revision 1 30 Wiring The CDN36X requires two connections one to the DeviceNet network male 5 pin micro connector and one to the target serial device male DB9 connector Follow all applicable electrical codes in your area when mounting and wiring any electrical device All power is received from the DeviceNet network The CDN36X draws up to 50mA from the 24VDC power supply Select your DeviceNet cables and power supply so that it can provide sufficient current for all networked devices at their peak operating power DeviceNet Interface Male 5 Pin Micro Connector DRAIN V ie O j CA
40. N_L Vy CAN_H PIN SIGNAL COLOR DESCRIPTION 1 DRAIN NONE Cable shield or drain wire 2 V RED DeviceNet 24VDC power 3 V BLACK DeviceNet 24VDC power 4 CAN_H WHITE Communication signal 5 CAN_L BLUE Communication signal Serial Channel Interface Male DB9 Serial Connector 1 2 3 4 5 OG O Or CFOS Re 6 7 8 9 CDN366 RS232 PIN SIGNAL DESCRIPTION 1 NC No Connect Do not connect any wires to NC pins 2 RXD Receive Data RS232 input signal 3 TXD Transmit Data RS232 output signal 4 NC No Connect 5 GND Ground Common for RS232 signals 6 NC No Connect 7 RTS Request To Send RS232 output signal 8 CTS Clear To Send RS232 input signal 9 NC No Connect MKS Instruments Inc D LP Products Group 6 CDN36X User Manual revision 1 30 CDN367 2 WIRE RS485 configuration PIN SIGNAL DESCRIPTION 1 RXA RS485 differential data I O signal 2 RXB RS485 differential data I O signal 3 TR Internal 1200 Terminating Resistor connected between pins 1 and 3 Connect pin 2 to pin 3 to terminate DATA signals Use at end of long twisted pair cable 4 NC No Connect Do not connect any wires to NC pins 5 GND Ground 6 TXA Connect to pin 1 for 2 wire operation 7 TXB Connect to pin 2 for 2 wire operation 8 TR2 Internal 120Q Terminating Resistor connected between pins 6 and 8 Do not connect in 2 wire operation 9 5VDC Auxiliary 5VDC supply generated by CDN36X CDN367 4 WIRE RS422 configuration PIN SI
41. RS232 channel it may be difficult to derive a suitable Packet Timeout value List Mode is best suited for this application because the serial message always begins and ends with the same characters The Serial Stream Object can now be configured The following shows the Serial Stream Object attribute settings for this application The 3rd column lists the address string if using Set_Attribute_Single commands to write the attribute values The last two attributes are Short_String data types Serial Stream Object Configuration Class Code 64 or 0x40 Attribute Data Class Instance Attribute Data Description 3 Baud Rate 9600 0x40 0x01 0x03 0x25 0x80 9600 bps 4 Data Bits 8 0x40 0x01 0x04 0x08 8 data bits 5 Parity 0 0x40 0x01 0x05 0x00 no parity 6 Stop Bits 1 0x40 0x01 0x06 0x01 1 stop bit 7 Flow Control 2 0x40 0x01 0x07 0x02 CTS RTS 10 Delimiter Mode 1 0x40 0x01 Ox0A 0x01 List Mode 11 Pre Delimiter String 0x01 0x02 0x40 0x01 Ox0B 0x01 0x02 Short_String length 1 STX 12 Post Delimiter String 0x02 0x03 0x0D 0x40 0x01 0x0C 0x02 0x03 Ox0D Short_String length 2 ETX CR MKS Instruments Inc D LP Products Group 82 CDN36X User Manual revision 1 30 The next step is to configure the CDN366 gateway to return the ASCII barcode data to the DeviceNet scanner Because the content of the ASCII bytes is not known the entire byte string will be converted into a Short_String data type With only one data variable to return one Serial Rece
42. S file The system configuration uses an Allen Bradley 1770 KFD DeviceNet adapter MAC ID 62 to connect the PC running RSNetworx to the DeviceNet network A SLC500 system with a 1747 SDN DeviceNet Scanner MAC ID 00 is the DeviceNet master CDN366 gateway has MAC ID 03 Allen Bradley SLC500 4 Slot Rack 1746 A4 L N 120VAC y 24vdc output SLC502 DeviceNet 8 pt Input 8 pt Output Input Fuse 3A 1747 P1 PLC CPU Scanner module module C1 o 120 240VAC 1747 L524 1747 SDN 1746 IV8 1746 OB8 9 Neutral LH Comm EJ Comm GND DeviceNet network y Fuse 6A Fuse 1A 24VDC Power Suppl 8 6 120VAC 24VDC pe o 2 O PC Interface 8 To PC RS232 25 Module 8 2 Pin Serial Interface 1747 PIC 2 PS to DeviceNet Dist up o For Used with RS232 PLC 2 a i olor RSLogic Prog a 2 BUS Ovdc A l O RS232 serial 2 3 clear Shield Drain communication 2 red BUS 24vdc To PC RS232 9 pin PC Interface Mod y Serial Interface For r 1770 KFD r DIP790 Device Used with RSLinx RS232 DeviceNet fa Net Dist Board_ 8 RSNetWorx Prog eh DeviceNet Terminal Connector 9 pin DIN RS232 Serial Gateway Module Interface to Barcode 7 CDN366 ES 1 black V BUS Reader Scanner P RS232 DeviceNet F data low CAN L DeviceNet Male Connector s TxD 8 crs Weigh Scale or etc ps eb Pin 1 4 6 9 are unused Figure 1 CDN366 Integrate with Allen Bradley SLC
43. Serial Stream Object attributes in this window Note that the Pre Delimiter List and Post Delimiter List attributes are not listed These attributes use Short_String data type which is not supported by RSNetworx EDS File interface Use the Class Instance Editor to configure Short_String attributes File Edit View Network Device Tools Help AlS Hes Sly laa 1747 SDN CDN366 4 MDSIMS1 Scanner Module amp J 4 cut Ctrl x 00 L Copy Ctrl C e e Delete Del Upload from Device Download to Device Class Instance Editor Properties MKS Instruments Inc D I P Products Group 66 CDN36X User Manual revision 1 30 Select the Set_Attribute_Single service code to write an attribute value and the Get_Attribute_Single service code to read an attribute value Check Values in decimal box to enter class instance attribute and data values in decimal The Pre Delimiter List address is Class 64 Instance 1 in this example Attribute Number 11 The Post Delimiter List address is Class 64 Instance 1 in this example Attribute Number 12 Enter the Short_String data as length byte then data bytes Example is 0x01 0x02 for 1 byte Pre Delimiter List of 0x02 ASCII STX 22 Class Instance Editor Node 3 di CoNz6s Execute Transaction Arguments Service Code Object Address Class Instance Attribute Value Description 1 1 1 Get Single Attribute y F Transmit Data Size Data sent to the device
44. Use Data fields Pre String 0x09 VAR BIS Data Type USINT Conversion Decimal Message Packet 1 0x02 VALUE xxx UNITS 0x03 Message Packet 2 0x02 VAR B IS xxx 0x03 Message Packet 3 0x02 VALUE xxx UNITS VAR BIS xxx 0x03 Message Packet 4 0x02 VAR BIS xxx VALUE xxx UNITS 0x03 1 Serial Stream Object receives Message Packet 1 VALUE 100 UNITS Serial Receive Object Instance 1 finds matching Pre String and Post A TS String values converts 100 data field into 0x64 Serial Receive Object Instance 2 does not find matching Pre String field so it VALUE 100 UNITS skips this message packet 2 Serial Stream Object receives Message Packet 2 VAR BIS 104 Serial Receive Object Instance 1 does not find matching Pre String and Post String values so it skips this message packet SDU Serial Receive Object Instance 2 finds matching Pre String value converts VAR BIS 104 104 data field into 0x68 3 Serial Stream Object receives Message Packet 3 AR STS GA Serial Receive Object Instance 1 finds matching Pre String and Post String values converts 122 data field into 0x7A VALUE 122 UNITSVAR B IS 080 Serial Receive Object Instance 2 finds matching Pre String value converts 080 data field into 0x50 Note that Instance 2 consumes the bytes NITS while parsing for its Pre String VALUE 122 UNITSVAR B
45. X gateways allow you to easily interface a wide variety of serial devices to any DeviceNet industrial control network Each gateway contains the feature packed D I P DeviceNet core Standard CDN36X products are tightly packaged and sealed in a rugged industrial case Board level and customized gateways are also available upon request Serial Status LEDs Isolated Serial Channel RX TX male DB9 connector Mounting Holes RS232 DeviceNet MAC ID MACID BAUDRATE DeviceNet Rotary Switches DeviceNet Status LEDs DeviceNet Channel NET MOD 5 aa DeviceNet Baud Rate male 5 pin micro connector Rotary Switch Product Features CDN366 CDN367 500V isolated serial channel X X RS232 with RTS CTS flow control X RS422 full duplex 4 wire with terminating resistors RS485 half duplex 2 wire with terminating resistor repeater control signal XON XOFF software flow control 300 1200 2400 4800 9600 19200 bps serial data rates Configurable data bits stop bits parity 128 byte transmit and 128 receive FIFO buffers Receives up to 8 different serial messages Transmits up to 8 different serial messages Powered from DeviceNet 24VDC Loss of ground protection circuitry DeviceNet slave mode supports POLL COS EXPLICIT messages e Rotary switches set DeviceNet baud rate and MAC ID e 4bi color status LEDs e I O Byte swap I O option for compatibility with PLC Scanners SS ARAS MKS Instruments Inc D I P Products Group 4 CD
46. a new data value is available The user application monitors the Receive Toggle bit and reads the Instance s Receive Data value when the bit changes state Once the application has read and processed or stored the new Receive Data value it acknowledges receipt by setting the Instance s Receive Acknowledge bit equal to the Receive Toggle bit The Instance is now able to start processing the next serial message packet The Receive Toggle and Receive Acknowledge bits are set to O at power up MKS Instruments Inc D LP Products Group 23 CDN36X User Manual revision 1 30 The Receive Acknowledge bits are bit mapped into the second byte of the DeviceNet I O Command Message Serial Receive Object Instance 1 Receive Acknowledge bit maps to bit 0 Instance 2 maps to bit 1 etc The Receive Toggle bits are bit mapped into the second byte of the DeviceNet I O Response Message Serial Receive Object Instance 1 Receive Toggle bit maps to bit 0 Instance 2 maps to bit 1 etc This bit mapping makes it easy for ladder logic applications to implement the gateway s receive synchronization process The following 2 ladder logic rungs show how an application program can monitor for an instance s Receive Toggle copy the new Receive Data value to save it and set the Receive Acknowledge bit equal to the Receive Toggle bit These rungs should be duplicated for each enabled Serial Receive Object instance bit 1 bit 0 l RX Toggle RX Ack
47. ad an attribute value Check Values in decimal box to enter class instance attribute and data values in decimal The Pre String address is Class 65 Instance 1 in this example Attribute Number 7 The Post String address is Class 65 Instance 1 in this example Attribute Number 8 Enter the Short_String data as length byte then data bytes Example is 0x01 0x41 for 1 byte Pre String of 0x41 ASCII A 22 Class Instance Editor Node 3 di CDN365 Execute Transaction Arguments Service Code Object Address Class Instance Attribute Value Description 1 1 1 Get Single Attribute y F Transmit Data Size Data sent to the device Values in decimal Execute Receive Data Size Data received from the device Byte vw Radix Decimal Close Help Enter the remaining Serial Receive Object attributes in the Parameters Box Receive Toggle Read only attribute Bit toggled 0 to 1 or 1 to 0 when a new data packet has been received indicating that it is ready to be read as DeviceNet inputs Receive Acknowledge Click on current value to change Enter 0 to clear 1 to set Receive Mode Click on to open up selection box Click on check box to set or clear the desired bit The Receive Mode bits are 0 1 2 Ignore the remaining bits 3 through 7 Rx Inst 1 Receive Mode Use Data Use Pre String Use Post String Bit 3 Bit4 Bit5 Bit6 Bit MKS Instruments Inc D
48. and data values in decimal The String address is Class 66 Instance 1 in this example Attribute Number 7 The String2 address is Class 66 Instance 1 in this example Attribute Number 8 Enter the Short_String data as length byte then data bytes Example is 0x01 0x41 for 1 byte String of 0x41 ASCII A 22 Class Instance Editor Node 3 CDN365 Execute Transaction Arguments Service Code Object Address Class Instance Attribute Value Description 1 1 1 Get Single Attribute y F Transmit Data Size Data sent to the device F Values in decimal Execute Receive Data Size Data received from the device Byte vw Radix Decimal Close Help Enter the remaining Serial Transmit Object attributes in the Parameters Box Transmit Toggle Click on current value to change Enter 0 to clear 1 to set Transmit Acknowledge Read only attribute Bit toggled 0 to 1 or 1 to 0 after Instance loads serial message packet into the transmit buffer and is ready for the next message Transmit Mode Click on to open up selection box Click on check box to set or clear the desired bit The Transmit Mode bits are 0 1 2 3 4 Ignore the remaining bits 5 6 7 Tx Inst 1 Transmit Mode Data String Before String2 Before String After String After Bit5 Bit6 Bit E Cancel MKS Instruments Inc D I P Products Group 73 CDN36X User Manual revision 1 30
49. attribute class 64 instance 1 attribute 20 MKS Instruments Inc D LP Products Group 83 CDN36X User Manual revision 1 30 Example 2 Receiving Delimited Data Using the same configuration as Example 1 the scanned UPC labels are printed in one of two formats MODEL xxx A and SN xxxxx The first format is a model number and xxx are 3 ASCII characters that represent a number from 1 to 100 The second format is a serial number and xxxxx are 5 ASCII characters that represent a number from 1 to 60000 The gateway is configured to read these two specific UPC label formats convert the ASCII characters into integers and return them as DeviceNet inputs Barcode Scanner The barcode scanner s RS232 channel is set for 9600 bps 8 data bits no parity and 1 stop bit When it reads a UPC label it transmits the following ASCII message format The message always begins with the ASCII STX start of text 0x02 character and always ends with the ASCII ETX end of text 0x03 and CR carriage return OxOD characters The barcode data will consist of a variable number of ASCII characters depending upon the UPC label being scanned STX MODEL xxx A ETX CR 14 bytes ASCII data STX SN xxxxx ETX CR 12 bytes ASCII data CDN366 Gateway The CDN366 gateway needs to be configured to receive this RS232 message format The first step is to determine the Delimiter Mode The barcode scanner still transm
50. ay s EDS file You can download the latest EDS and ICON files from the www mksinst com website Click Next gt when you have the correct path and EDS file name in the Named box Rockwell Software s EDS Wizard Registration Electronic Data Sheet file s will be added to your system for use in Roc Software applications S Register a single file C Register a directory of EDS files Look in subfolders Named C Nedn36612_80 eds vw Browse i If there is an icon file ico with the same name as the file s you are registering then this image will be associated with the device To perform an installation test on the file s click Next lt Back Cancel 7 The next screen shows the RSNetworx installation test results Click View file to view the actual EDS file text Click Next gt to continue Rockwell Software s EDS Wizard EDS File Installation Test Results This test evaluates each EDS file for errors in the EDS file This test do guarantee EDS file validity di Installation Test Results c cdn366r2_80 eds View file Cancel MKS Instruments Inc D I P Products Group 56 CDN36X User Manual revision 1 30 8 The next screen allows you to customize the gateway s icon for RSNetworx Click on Change icon Rockwell Software s EDS Wizard Change Graphic Image You can change the graphic image that is associated with a device Product Types _Changeicon
51. b Line feed Vertical tab Form feed Carriage return Shift out Shift in Data line escape Device control 1 Device control 2 Device control 3 Device control 4 Negative acknowledge Synchronous idle End of transmit block Cancel End of medium Substitute Escape File separator Group separator Record separator Unit separator gt NXXS lt CHAODOTOZZETAC IOTMUOOUO gt O T AN lt x lt C 055000 53 XxN gt Ta s T7W AO TDM U m rc MKS Instruments Inc D I P Products Group 93
52. configured to receive the barcode message packets convert the embedded number into either an 8 bit or 16 bit unsigned integer number depending upon the scanned label type and return it as input bytes to the DeviceNet scanner Receive synchronization may also be used by enabling the Sync Enabled attribute The I O Produce Size can be verified by reading the Serial Stream Object s I O Produce Size attribute class 64 instance 1 attribute 20 MKS Instruments Inc D LP Products Group 85 CDN36X User Manual revision 1 30 Example 3 Transmitting Data Print an ASCII string from a PLC to a serial printer using a CDN366 gateway and a DeviceNet scanner master The text message string can be from 1 to 64 characters long including any ASCII control characters The serial printer RS232 channel is connected to a CDN366 serial channel The CDN366 DeviceNet channel is connected to the PLC DeviceNet scanner The DeviceNet network is powered by an external 24VDC power supply CDN366 Serial Printer Gateway DeviceNet network Serial Printer The serial printer s RS232 channel is set for 300 bps 7 data bits even parity and 2 stop bits It uses XON XOFF software flow control CDN366 Gateway The CDN366 serial channel is configured to transmit this RS232 message format The Serial Stream Object attributes are shown below for this application The 3rd column lists the address string if using Set_Attribute_Single commands to write
53. d end of a message Length mode captures a specific number of message bytes defined by Packet Length Timeout mode uses an inter byte delay Packet Timeout to signal the end of a message When a message packet is received it is processed by all enabled Serial Receive Object Instances The following examples show the three Serial Stream Object Delimiter modes Incoming data stream 0x45 0x62 0x02 0x31 0x32 0x32 0x42 0x45 0x03 0x0D 0x11 lt delay gt 0x43 0x56 List Mode delimiters 0x02 0x31 0x32 0x32 0x42 0x45 0x03 0x0D Pre Delimiter Message Packet Post Delimiter Packet Length 8 Message Packet Timeout Mode inter byte delay 0x45 0x62 0x02 0x31 0x32 0x32 0x42 0x45 0x03 0x0D 0x11 Packet Timeout 100 msec Mesage Pakai MKS Instruments Inc D I P Products Group 13 CDN36X User Manual revision 1 30 Serial Receive Object The Serial Receive Object processes the Message Packet bytes converting them into an input data value that is returned to the DeviceNet master in an I O Response Message The Message Packet bytes can be converted into a Short_String data type byte array with 1 byte length ASCII characters within the Message Packet representing a numerical value can also be converted into signed or unsigned integer or real number data types The Serial Receive Object can be configured to search for Pre String and or Post String byte strings at the beginning and or end of the desired data bytes The data bytes framed by the Pre S
54. d to a DeviceNet master Solid Green Normal runtime device allocated as a slave State Module Status LED MOD Off No power Flashing Red Configuration error Check object attribute settings Solid Red Unrecoverable error Flashing Green Not defined Solid Green Normal Operation Serial Channel Status LEDs The gateway has two bi color LEDs to indicate serial channel activity The TX LED flashes green when a packet is being transmitted The RX LED flashes green when a packet is being received A fault is indicated by solid red After power up both LEDs should be off State Transmit Status LED TX Off No data being transmitted Flashing Red Not defined Solid Red Transmit error parity or overrun error Flashing Green Data being transmitted Solid Green Not defined State Receive Status LED RX Off No data being received Flashing Red Not defined Solid Red Receive error parity or overrun error Flashing Green Data being received Solid Green Not defined MKS Instruments Inc D I P Products Group 29 CDN36X User Manual revision 1 30 Register EDS File If using a DeviceNet configuration tool that supports Electronic Data Sheet EDS files you should now register the gateway s EDS file with the software The latest EDS file versions can be downloaded from www mksinst com Select the EDS file that matches your gateway s part number and firmware version Follow y
55. dentical Serial Receive Object instance attribute sets that can be configured in the CDN36X gateway This section describes how to configure a single Serial Receive Object instance Repeat this step for each desired instance Serial Receive A Instance Attributes Class Code 65 poate 3 Receive Data Data Type Received message data Retumed in VO Response Message 4 Receive Toggle BOOL _ Gateway toggles 0 1 1 0 o indicate new Receive Data value 5 Receive Acknowledge BOOL When Sync Enabled user a must set this bit to match Receive Toggle before next message is processed Receive Mode USINT Bit0 use Data Field Bit 1 use Pre String Field Bit 2 use Post String Field Short_String String of 1 9 bytes 8 Post String Short_String String of 1 9 bytes Data Type USINT 194 0xC2 SINT 1 byte 195 OxC3 INT 2 bytes 198 OxC6 USINT 1 byte 199 OxC7 UINT 2 bytes 202 OxCA REAL 4 bytes 218 OxDA Short String Data Size bytes USINF 1128 USINT 13 Conversion USINT D 0x44 decimal integer X 0x58 hexadecimal integer Pad Char CHAR Pad byte value Pad Poll Response if Rx data does not fill up Poll Mi lt message data 15 Datai in I O Response BOOL O no Eyes uaua U no 1 yes Enabled BOOL disabled 1 enabled Sync Enabled BOOL A disabled 1 enabled Receive Data Data from the last valid message packet Returned in I O Response Message R
56. dge bit maps to bit 0 Instance 2 maps to bit 1 etc This bit mapping makes it easy for ladder logic applications to implement transmit synchronization The following 2 ladder logic rungs show how an application program writes an instance s Transmit Data value toggles the Transmit Toggle bit and waits for the Transmit Acknowledge bit to equal the Transmit Toggle bit before writing the next Transmit Data value These rungs should be duplicated for each enabled Serial Transmit Object instance MKS Instruments Inc D LP Products Group 26 CDN36X User Manual revision 1 30 bit 0 bit 0 TX Toggle TX Ack copy variable to TX Data TX Toggle _ bit 1 bit 1 bit 1 TX Toggle TX Ack copy variable to TX Data bit 0 MKS Instruments Inc D I P Products Group 27 CDN36X User Manual revision 1 30 Chapter 4 Gateway Configuration This chapter describes how to configure and operate the CDN36X gateway You configure the gateway by reading and writing attribute values over its DeviceNet interface There are a variety of DeviceNet configuration tools available Simple configuration tools use GET_ATTRIBUTE and SET_ATTRIBUTE explicit message commands to read and write attribute values addressing each attribute by its Object Instance and Attr
57. e disabled Follow the steps in Configure Serial Receive Object Instances and Configure Serial Transmit Object Instances sections to disable unused instances 3 Double click on the 1747 SDN icon to open its Properties box You can also left click on the icon to select it right click for the pop up menu and select Properties 1747 SDN Scanner Module General Module Scanlist Input Dutput Summary f 1747 SDN Scanner Module Name 1747 SDN Scanner Module Description Address 0 H Device Identity Primary Vendor Rockwell Automation AllenBradley 1 Device Communication Adapter 12 Product 1747 SDN Scanner Module 19 Catalog 1747 SDN B Revision Boot 8 Ld MKS Instruments Inc D I P Products Group 75 CDN36X User Manual revision 1 30 4 Select the Scanlist tab RSNetworx prompts you for the Scanner Configuration Click Upload to upload current 1747 SDN configuration from the node RSNetworx displays the upload progress Scanner Configuration Applet Do you want to upload the configuration from the device updating the software s configuration or download the software s configuration to the device updating the device For more information press F1 Upload Download Uploading from Scanner Uploading Scanlist Node 4 Cancel 5 The next window shows the Available Devices that can be added to the 1747 SDN Scanlist MKS Instruments Inc D
58. e Transmit Mode is Use Data and Use Stringl After Data String is F lt CR gt lt LF gt The Data Type is INT to cover the 50 to 400 range The Width is 3 and the Conversion is set for decimal with no leading zeros Serial Transmit Object Instance 2 Configuration Class Code 66 or 0x42 Attribute Data Class Instance Attribute Data Description 6 Transmit Mode 9 0x42 0x02 0x06 0x09 Use Data Stringl After 7 Stringl 0x04 F CR LF 0x42 0x02 0x07 0x04 0x20 0x46 0x0D 0x0A_ Short String length 4 F lt CR gt lt LF gt 9 Data Type 195 0x42 0x02 0x09 0xC3 INT 16 bit signed integer 11 Width 3 0x42 0x02 Ox0B 0x03 convert to 3 ASCII bytes 13 Conversion 1 0x42 0x02 Ox0D 0x01 represent integer in decimal 15 Data in I O Command 1 0x42 0x02 Ox0F 0x01 enable data in I O command Serial Transmit Object Instance 3 is configured to transmit Message 2 It receives no data from the DeviceNet scanner but is instead triggered by the Transmit Toggle bit Set the Data Type to USINT to minimize the Data Size to 1 byte and Width to 1 The Transmit Mode is set to Use String Before Stringl is ALARM CR LF Serial Transmit Object Instance 3 Configuration Class Code 66 or 0x42 Attribute Data Class Instance Attribute Data Description 6 Transmit Mode 2 0x42 0x03 0x06 0x02 Use String Before 7 String 0x07 ALARM CR 0x42 0x03 0x07 0x41 0x4C 0x41 0x52 0x4D Short String length 7 ALARM LF Ox0D Ox0A
59. e uses bits O 1 4 5 Ignore the remaining bits 2 3 6 7 Serial Status Ax Fifo Overrun gt Ax Parity Error Bit 2 Bit 3 gt Tx Fito Overrun Tx Parity Error Bit6 Bit7 Cancel The serial status bits are set bit 1 by the CDN36X gateway when an error occurs You must acknowledge the receipt of an error by clearing the appropriate bit bit 0 Clearing an error bit causes the gateway to clear that error condition and resume normal operation You must either reset the CDN36X or clear each error bit using a Set_Attribute explicit message command in order to resume normal operation I O Produce Size This is a read only attribute The value is the number of data bytes the gateway returns in the I O Response Message I O Consume Size This is a read only attribute The value is the number of data bytes the gateway expects to receive in the I O Command Message MKS Instruments Inc D LP Products Group 68 CDN36X User Manual revision 1 30 Configure Serial Receive Object Instances There are eight identical Serial Receive Object instance parameter sets that can be configured in the CDN366 gateway The following describes how to configure Serial Receive Object Instance 1 Program the other instances using the same procedure 1 Using RSNetworx open the CDN366 gateway Properties window Select the Parameters tab Select Rx Inst 1 from the Groups pull down menu You show see the 10 attributes for this obj
60. eceive Toggle Toggles 0 to 1 or 1 to 0 when a message packet has been received processed and saved as Receive Data Indicates new input data in the I O Response Message Receive Acknowledge When Sync Enabled is set User Application must set this bit equal to Receive Toggle after it reads the Instance s Receive Data from the I O Response Message The Instance will not process the next message packet until the Receive Acknowledge bit equals the Receive Toggle bit Receive Mode Defines how the Instance processes message packet bytes The Instance can search for 3 fields Pre String Data and Post String Set associated bits 0 1 2 to use the desired fields Set the remaining bits 3 through 7 to zero Pre String Data Post String MKS Instruments Inc D I P Products Group 34 CDN36X User Manual revision 1 30 Pre String attribute defines the byte string for the Pre String field Data Size attribute defines the number of bytes expected in the Data field Post String attribute defines the byte string for the Post String field When Use Pre String bit is set the Instance searches the message packet bytes for a match to the stored Pre String If a match is not found the message packet is ignored When Use Data bit is set the Instance converts the Data Size number of message bytes into a value defined by Data Type and saves it as Receive Data If there are not enough message bytes the message packet is igno
61. ect instance CDN366 4 General Parameters 1 0 Defaults EDS File Select the parameter s that you want to configure and initiate an action using the toolbar Groups Ax Inst 1 E A avis H Gil Parameter Current vale 9 A Rx Inst 1 Receive 0 10 Rx Inst 1 Receive O 11 Rx Inst 1 Receive XXXXx011 12 Rx Inst 1 Data Type 194 13 Rx Inst 1 Data Size 1 bytes 14 Rx Inst 1 Conver 68 15 Rx Inst 1 Data in Data in Poll 16 Rx Inst 1 Enabled Search receive string 17 Rx Inst 1 Sync En Sync Off Rx Inst 1 Width Z Rx Inst 1 Padding O Cancel Apply Help You may now edit the Serial Receive Object Instance 1 attributes in this window Note that the Pre String and Post String attributes are not listed These attributes use Short_String data type which is not supported by RSNetworx EDS File interface Use the Class Instance Editor to configure Short_String attributes DeviceNet RSNetWorx for DeviceNet Eile Edit View Network Device Tools Help Bls Hals ely ca y 8 3 Beg 1747 SDN CDN366 4 MDSIMS1 Scanner Module 4 Cut Ctrl x 00 i Copy Ctrl C E Delete Del Upload from Device Download to Device Class Instance Editor Properties MKS Instruments Inc D I P Products Group 69 CDN36X User Manual revision 1 30 Select the Set_Attribute_Single service code to write an attribute value and the Get_Attribute_Single service code to re
62. ed so trailing zeros are added after the decimal point MKS Instruments Inc D I P Products Group 21 CDN36X User Manual revision 1 30 Serial Receive Example The following example shows how the CDN36X gateway captures a serial message packet processes the packet converts the data into a number and returns it as a DeviceNet input value The gateway s Serial Stream Object is configured for the List delimiter mode with a one byte Pre Delimiter string and a two byte Post Delimiter string An incoming message must have matching delimiter strings to be accepted as a valid message packet The Serial Receive Object Instance 1 has the Use Pre String Use Data and Use Post String options selected for its Receive Mode The message packet must have matching Pre String and Post String values before Instance 1 will process the data The Data Type is configured for SINT with a Width of 2 and Conversion set for decimal The data field s two byte ASCII string represents a decimal number which Instance 1 converts into an 8 bit signed integer The converted number is saved as the instance s new Receive Data value The instance also toggles its Receive Toggle bit to signal the reception of new data When the gateway receives a DeviceNet I O Command Message it builds and sends a DeviceNet I O Response Message The Transmit Acknowledge bits from Serial Transmit Object instances 1 8 are loaded in the first byte The Receive Toggle bits from Ser
63. essage data to transmit Received in I O Command Message Beak Transmit BOOL User app toggles 0 1 1 0 to indicate new Transmit Data value Maa Acknowledge BOOL Gateway sets this bit to match Transmit Toggle when the latest Transmit Data message has been sent kr Transmit Mode USINT Bit 0 use Data Bit 1 use Stringl before data Bit 2 use String2 before data Bit 3 use Stringl after data Bit 4 use String2 after data 7 Oosa Swng Shor String String of 1 9 bytes D6 desa Jsringz shor Siring Sing 13 bye Get Set Data Type USINT 194 OxC2 SINT 1 byte 195 OxC3 INT 2 bytes 198 OxC6 USINT 1 byte 199 OxC7 UINT 2 bytes 202 OxCA REAL 4 bytes 218 OxDA Short String Data Size bytes Co Gei a passe ES LE tI Gei a Width __JUSINT_ 16 USINT Get Set Conversion USINT Bit 0 hex 0 for decimal 1 for hex Bit 7 use leading zeros to pad number 15 Get Set Data In VO Command BOOL 0 no 1 yes Common Services Service Code Class Instance Service Name 05 0x05 No Yes Reset 14 0x0E Yes Yes Get_Attribute_Single 16 0x10 No Yes Set_Attribute_Single MKS Instruments Inc D I P Products Group 51 CDN36X User Manual revision 1 30 Chapter 6 RSNetworx Configuration Example This chapter shows how to set up configure a CDN366 gateway using the Rockwell Software RSNetworx software and your gateway s Electronic Data Sheet ED
64. et bh Instance 1 bytes Instance 2 bytes le Instance 3 bytes Instance 4 bytes MKS Instruments Inc D I P Products Group 14 CDN36X User Manual Example 1 Serial Receive Object instances 1 4 5 7 are configured to use portions of a received message packet 1 Serial Stream Object configured to capture a 15 byte message packet Length Mode Packet Length 15 2 Serial Receive Object Instance 1 configured to convert 4 bytes into Short_String Data Size 5 Short_String 0x05 0x30 0x31 0x32 0x33 3 Serial Receive Object Instances 2 amp 3 not enabled 4 Serial Receive Object Instance 4 configured to convert 2 bytes into 8 bit unsigned integer 0x34 0x35 are ASCII chars 45 Converted data 0x2D 5 Serial Receive Object Instance 5 configured to locate 2 bytes bracketed by Pre String 7 0x01 0x37 and Post String AB 0x02 0x41 0x42 and convert them to 8 bit unsigned integer 0x38 0x39 are ASCII chars 89 Converted data 0x59 Note 0x36 byte not used but still consumed by Instance 5 6 Serial Receive Object Instance 6 not enabled 7 Serial Receive Object Instance 7 configured to convert 2 bytes into Short_String Data Size 3 Short_String 0x02 0x43 0x44 8 Remaining message packet bytes are not used MKS Instruments Inc 0x30 0x31 0x32 0x33 0x34 0x35 0x36 0x37 0x38 0x39 0x41 0x42 0x43 0x44 0x45 0x30 0x31 0x32 0x33 0x34 0x35 0x36 0x37 0x38
65. eviceNet I O Response and I O Command Messages The diagram includes all 8 Serial Receive Object Instances and 8 Serial Transmit Object Instances If an instance is not enabled its data bytes are not mapped or present in the corresponding I O Message The total number of input or output data bytes required for each Instance is defined by its configuration The gateway supports a maximum of 128 data bytes for all 8 Serial Receive Object Instances and 128 bytes for all 8 Serial Transmit Object Instances regardless of whether an instance is enabled or not Unused instances should have their data size set to the smallest number of bytes MKS Instruments Inc D I P Products Group 11 CDN36X User Manual DeviceNet Master Outputs output m output input input input bytes output output DeviceNet Master Inputs input vs eae yte yte eviceNet TX Toggle Byte er Ma DeviceNet I O Command Message Data TO Inst 1 RX Ack S s Byte TX Data STO Inst 2 TX Data STO Inst 3 TX Data revision 1 30 ing of DeviceNet I O Command and I O Response Data STO Inst 4 STO Inst 5 STO Inst 6 STO Inst 7 STO Inst 8 TX Data TX Data TX Data TX Data TX Data TX Toggle Byte bits 0 7 contains Transmit Toggle bits from Serial Transmit Object Instances 1 8 respectively RX Ack Byte bits 0 7 contain Receive Acknowledge bits from Serial Receive Object Instances 1 8 respectively STO Inst TX Ack Byte Se
66. evision 1 30 Chapter 7 Configuration Examples This chapter contains four example gateway configurations Example 1 Receiving Data Read UPC labels into a PLC using a serial barcode scanner a CDN366 gateway and a DeviceNet scanner master The barcode scanner RS232 channel is connected to a CDN366 serial channel The CDN366 DeviceNet channel is connected to the PLC DeviceNet scanner The DeviceNet network is powered by an external 24VDC power supply Barcode Scanner PLC amp DeviceNet Scanner lt CDN366 Gateway Power Supply UPC labels DeviceNet network Barcode Scanner The barcode scanner s RS232 channel is set for 9600 bps 8 data bits no parity and 1 stop bit When it reads a UPC label it transmits the following ASCII message format The message always begins with the ASCII STX start of text 0x02 character and always ends with the ASCII ETX end of text 0x03 and CR carriage return 0x0D characters The barcode data will consist of a variable number of 1 to 12 ASCII characters depending upon the UPC label being scanned STX ASCII barcode data ETX CR CDN366 Gateway The CDN366 gateway needs to be configured to receive this RS232 message format The first step is to determine the Delimiter Mode The barcode scanner transmits a variable length message packet so Length Mode cannot be used Timeout Mode may be used but without specific timing information for the barcode scanner s
67. f to 9 bytes that defines the start of a new serial message Use Short_String data format with 1 byte string length Example Pre Delimiter is 0x01 0x02 where string length is 1 and delimiter character is 0x02 STX You must use the RSNetworx Class Instance Editor Set Attribute Single command to write a Short_String attribute value Post Delimiter List Required for List Mode Enter a string of 1 to 9 bytes that defines the end of a serial message Use Short_String data format with 1 byte string length Example Post Delimiter is 0x02 OxOD 0x03 J where string length is 2 and delimiter characters are 0xOD CR MKS Instruments Inc D I P Products Group 32 CDN36X User Manual revision 1 30 and 0x03 ETX You must use the RSNetworx Class Instance Editor Set Attribute Single command to write a Short_String attribute value Packet Timeout Required for Timeout Mode Defines the timeout period between received bytes that indicates the end of a message packet 1 255 milliseconds Packet Length Required for Length Mode Defines the message packet size 1 128 bytes Serial Status Serial transmitter and receiver error bits To clear an error you must either reset the gateway or clear the error bit using a SET_ATTRIBUTE explicit message command Byte Swap Defines if CDN36X gateway swaps I O message bytes When disabled the CDN36X I O messages are mapped into the PLC DeviceNet Scanner module memory i
68. he Width setting This bit only applies to SINT INT USINT UINT and REAL Data Types Data in I O Command Enables the Instance to use output data from the I O Command Message as its Transmit Data value This bit must be set to enable the Serial Transmit Object Instance All unused instances must be disabled MKS Instruments Inc D I P Products Group 39 CDN36X User Manual revision 1 30 Configure DeviceNet Master Scanlist You must calculate the number of input and output bytes required by your CDN36X configuration before you can add the gateway to the DeviceNet master scan list You need to configure the DeviceNet master to send the specific number of output bytes in its I O Command Message and receive the specific number of input bytes in the gateway s I O Response Message Once the input and output bytes are mapped in the DeviceNet master the user application program will be able to read and write data values to the input and output bytes I O Consume Size The I O Consume Size is the size in bytes of the I O Command Message data field that is sent by the DeviceNet master to the CDN36X I O Command data TX Toggle bits 1 8 RX Ack bits 1 8 TX Data Instance 1 TX Data Instance 8 The first byte contains the Transmit Toggle bits for all 8 Serial Transmit Object Instances The second byte contains the Receive Acknowledge bits for all 8 Serial Receive Object Instances These two bytes are used by the CDN36X and applicat
69. ial Receive Object instances 1 8 are loaded in the second byte The Receive Data values from all enabled Serial Receive Object instances are loaded in the rest of the I O Response data field The I O Response Message is sent to the DeviceNet master where the data values are stored as DeviceNet inputs The user application receives the updated DeviceNet inputs Program logic recognizes the state change in the Serial Receive Object Instance 1 Receive Toggle bit indicating that Instance 1 has sent new data in the I O Response Message To acknowledge that it has read the new data the user application toggles the Instance 1 Receive Acknowledge bit which gets sent back to the gateway in the next I O Command Message When the Serial Receive Object Instance 1 gets the updated Receive Acknowledge bit it can then process the next incoming serial message MKS Instruments Inc D I P Products Group 22 CDN36X User Manual revision 1 30 Serial Receive Process STX TEMP 64 C CR ETX gt CDN36X VO RESPONSE MESSAGE DeviceNet Serial Device F Gateway PH Master lt 1 0 COMMAND MESSAGE 1 Serial Device transmits message Serial Data ASCII lt STX gt T E M P lt SP gt lt SP gt 6 4 lt SP gt C lt CR gt lt ETX gt Serial Data hex 0x02 0x54 0x45 0x4D 0x50 0x20 0x3D 0x20 0x36 0x34 0x20 0x43 0x0D 0x03 2 Serial Stream Object receives message and y loads into rx buffer without delimiters Delimiter M
70. ibute numbers This information is contained in Chapter 5 More sophisticated configuration tools use EDS files to simplify attribute configuration You can configure the gateway using pull down menus buttons and data entry fields from the gateway s Electronic Data sheet EDS file Chapter 6 contains a configuration example using the Rockwell Software RSNetworx program Configure DeviceNet Interface Set the DeviceNet Baud Rate and MAC ID Address using the rotary switches Configure switches before connecting to the DeviceNet network There is either a small triangular indicator or white indicator on the switch Use a small screwdriver to align that indicator with the desired setting Remove the CDN36X cover if necessary to access the rotary switches DeviceNet Baud Rate Switch Valid settings are 125K 250K 500K or PGM When PGM is selected the CDN36X uses the baud rate saved in its retentive memory To save a valid baud rate in memory set the switch to the desired baud rate and power up the CDN36X for a few seconds Power down and set the switch to PGM You may also write to the DeviceNet Object Baud Rate attribute POSITION SETTING POSITION SETTING 0 125 Kbps 5 invalid 1 250 Kbps 6 invalid 2 500 Kbps 7 invalid 3 invalid 8 invalid 4 invalid 9 PGM MAC ID Switches The two MAC ID switches represent decimal numbers from 00 to 99 The LSB switch selects the Ones digit and the MSB switch selects the Tens digit Valid MAC IDs are
71. ic text messages For one message the gateway converts two integer variables and inserts it into the text The second message contains no variables but simply prints a fixed text message The two messages are listed below Message 1 TEMP xxx C xxx F lt CR gt lt LF gt xxx is value range of 50 to 400 Message 2 ALARM lt CR gt lt LF gt Serial Printer The serial printer s RS232 channel is set for 300 bps 7 data bits even parity and 2 stop bits It uses XON XOFF software flow control CDN366 Gateway The CDN366 gateway is configured to transmit this RS232 message format The Serial Stream Object attributes are shown below for this application The 3rd column lists the address string if using Set_Attribute_Single commands to write the attribute values Serial Stream Object Configuration Class Code 64 or 0x40 Attribute Data Class Instance Attribute Data Description 3 Baud Rate 300 0x40 0x01 0x03 0x01 0x2C 300 bps 4 Data Bits 7 0x40 Ox01 0x04 0x07 7 data bits 5 Parity 2 0x40 0x01 0x05 0x02 Even parity 6 Stop Bits 2 0x40 0x01 0x06 0x02 2 stop bit 7 Flow Control 1 0x40 0x01 0x07 0x01 XON XOFF The next step is to configure the CDN366 gateway to transmit the specific messages Three Serial Transmit Object Instances are used two for Message 1 two variables and one for Message 2 one text message Serial Transmit Object Instance 1 is configured to transmit the first part of Message
72. ion program to synchronize the transmit and receive operations The remaining bytes are the Transmit Data attributes for every enabled Serial Transmit Object Instance The number of bytes is determined by the Data Size configured for each enabled Instance For real and integer numbers the Data Size is predefined by the selected Data Type For Short_String data type the Data Size attribute is user defined The following equation is used to calculate the CDN36X I O Consume Size Only include the Data Size for enabled Serial Transmit Object Instances Transmit Toggle Byte 1 Receive Acknowledge Byte 1 Serial Transmit Object Instance 1 Data Size Serial Transmit Object Instance 2 Data Size Serial Transmit Object Instance 3 Data Size Serial Transmit Object Instance 4 Data Size Serial Transmit Object Instance 5 Data Size Serial Transmit Object Instance 6 Data Size Serial Transmit Object Instance 7 Data Size Serial Transmit Object Instance 8 Data Size I O Consume Size Once you have the gateway configured for your application you can also read the Serial Stream Object s I O Consume Size attribute to find out the required number of input bytes MKS Instruments Inc D LP Products Group 40 CDN36X User Manual revision 1 30 I O Produce Size The VO Produce Size is the size in bytes of the I O Response Message data field that is sent from the CDN36X to the DeviceNet master I O Response data TX Ack bits 1 8 RX Toggle bits 1 8 RX
73. its a variable length message so Length Mode cannot be used Timeout Mode may be used but without specific timing information for the barcode scanner s RS232 channel it may be difficult to derive a suitable Packet Timeout value List Mode is best suited for this application because the serial message always begins and ends with the same characters The Serial Stream Object can now be configured The following shows the Serial Stream Object attribute settings for this application The 3rd column lists the address string if using Set_Attribute_Single commands to write the attribute values The last two attributes are Short_String data types Serial Stream Object Configuration Class Code 64 or 0x40 Attribute Data Class Instance Attribute Data Description 3 Baud Rate 9600 0x40 0x01 0x03 0x25 0x80 9600 bps 4 Data Bits 8 0x40 0x01 0x04 0x08 8 data bits 5 Parity 0 0x40 0x01 0x05 0x00 no parity 6 Stop Bits 1 0x40 0x01 0x06 0x01 1 stop bit 7 Flow Control 2 0x40 0x01 0x07 0x02 CTS RTS 10 Delimiter Mode 1 0x40 0x01 Ox0A 0x01 List Mode 11 Pre Delimiter String 0x01 0x02 0x40 0x01 Ox0B 0x01 0x02 Short_String length 1 STX 12 Post Delimiter String 0x02 0x03 0x0D 0x40 0x01 0x0C 0x02 0x03 Ox0D Short_String length 2 ETX CR The next step is to configure the CDN366 gateway to process the different label formats and convert the ASCII characters into integer numbers to be returned to the DeviceNet scanner With two different label for
74. ive Object Instance is configured The Data Type is Short_String with a Data Size of 13 maximum number of expected barcode data bytes is 12 plus the length byte The Receive Mode is Use Data Field Serial Receive Object Instance 1 Configuration Class Code 65 or 0x41 Attribute Data Class Instance Attribute Data Description 6 Receive Mode 1 0x41 0x01 0x06 0x01 Use Data Field 9 Data Type 218 0x41 0x01 0x09 OxDA Short_String 10 Data Size 13 0x41 0x01 0x0A 0x0D 1 length byte 12 data bytes 15 Data in I O Response 1 0x41 0x01 OxOF 0x01 Enable data in 1 O response 16 Enabled 1 0x41 0x01 0x10 0x01 Instance 1 enabled Make sure Serial Receive Object instances 2 8 are disabled since only Instance 1 is used in this application The gateway will return 15 input bytes to the DeviceNet scanner in the I O Response Message The I O Produce Size is 15 with the data organized as follows Transmit Acknowledge bits Receive Toggle bits Instance 1 Short_String data 1 byte 1 byte 13 bytes The gateway will always return 13 bytes in the I O Response Message even if the scanned barcode data contains fewer bytes The application should check the Short_String length byte to determine the number of valid data bytes being returned in a particular I O Response Message Receive synchronization may also be used by enabling the Sync Enabled attribute The YO Produce Size can be verified by reading the Serial Stream Object s I O Produce Size
75. ize attribute to the desired number of data bytes plus 1 length byte Set the Width attribute to the expected number of ASCII bytes to be converted into a real or integer number Data Size Required for Short_String Data Type Defines the maximum number of bytes in a Short String plus one length byte 2 128 The first byte in a Short_String defines the string length MKS Instruments Inc D LP Products Group 35 CDN36X User Manual revision 1 30 The Data Size attributes for all 8 Serial Receive Object instances must sum to a total less than or equal to 128 bytes regardless of whether an instance is enabled or not Set unused instances Data Type attributes to USINT or SINT which have 1 byte Data Size Width Required for SINT INT USINT UINT REAL Data Types Defines the number of ASCII bytes 1 16 to be converted into an integer or real number Conversion Required for SINT INT USINT UINT Data Types Denotes if the ASCII bytes represent a decimal integer D or 0x44 or a hexadecimal integer X or 0x58 Pad Char Byte value to pad the RX Message bytes Data in I O Response Enables the Instance to send its Receive Data value as input data in the VO Response Message Typically you would always have this attribute enabled when the Instance is enabled For more complex applications the Instance s Receive Data can be read using the Get_Attribute command explicit message reducing the number of input by
76. l x Copy Ctrl C Delete Del Ea ma Download to Device Class Instance Editor Properties 6 RSNetworx displaces the following text box while is reads CDN366 EDS file Verifying Identity Verifying Identity of Node 03 CDN366 4 MKS Instruments Inc D I P Products Group 63 CDN36X User Manual revision 1 30 7 The CDN366 Properties Box is displayed CDN366 4 General Parameters I O Defaults EDS File a conaes Name CON366 4 Description Address 3 m Device Identity Primary Vendor DP Ine 59 Device Communication Adapter 12 Product EDN3EB 5858 Catalog Adv R5232 Gateway Revision joz 7 Select the Parameters tab You will be prompted for the parameters source Select the Upload button to upload CDN366 parameters from the actual device All the CDN366 parameters are now shown in the Properties window EDS Editor Do you want to upload the configuration from the device updating the software s configuration or download the software s configuration to the device updating the device For more information press F1 Upload Download MKS Instruments Inc D I P Products Group 64 CDN36X User Manual CDN366 4 General Parameters 1 0 Defaults EDS File Select the parameter s that you want to configure and initiate an action using the toolbar Groups All parameters i P All Values y sal a EY ID
77. led since only Instance 1 is used in this application The gateway expects to receive 67 output bytes from the DeviceNet scanner in the I O Command Message The Y O Produce Size is 67 with the data organized as follows Transmit Toggle bits 0000000x Receive Acknowledge bits Instance 1 Short_String printer data 1 byte 1 byte 65 bytes The gateway is now configured to receive ASCII text messages up to 64 characters in length and send them to the serial printer The DeviceNet scanner will always send 67 outputs in the I O Command Message even if the text message is shorter than 64 characters The gateway uses the Short_String length byte to determine the number of valid characters to be transmitted Transmit synchronization must be used by the application The application toggles the Instance 1 Transmit Toggle bit in the I O Command Message when it sends a new text message and monitors the Instance 1 Transmit Acknowledge bit returned in the I O Response Message When the Transmit Acknowledge bit equals the Transmit Toggle bit then the application can send the next text message The YO Consume Size can be verified by reading the Serial Stream Object s I O Consume Size attribute class 64 instance 1 attribute 21 MKS Instruments Inc D LP Products Group 87 CDN36X User Manual revision 1 30 Example 4 Transmitting Delimited Data Using the same configuration as Example 3 the CDN366 gateway is configured to print two specif
78. mats two Serial Receive Object Instances will be configured MKS Instruments Inc D LP Products Group 84 CDN36X User Manual revision 1 30 Serial Receive Object Instance 1 is configured to process the 11 character model number UPC label message packet The Receive Mode is set to Use Pre String Use Data and Use Post String fields The Pre String attribute is set to MODEL and Post String is set to A These two strings are used to filter for the model number message packet The model number range is 1 to 100 so the Data Type is set for USINT with a Width of 3 and Conversion is set to decimal The Data Size is 1 byte for USINT Serial Receive Object Instance 1 Configuration Class Code 65 or 0x41 Attribute Data Class Instance Attribute Data Description 6 Receive Mode 7 Ox OXOLOx060x07 use Data Pre String Post String fields 7 Pre String 0x06 MODEL 0x41 0x01 0x07 0x06 0x4D 0x4F 0x44 0x45 Short_String length 6 MODEL 0x4C 0x20 8 Post String 0x02 A 0x41 0x01 0x08 0x02 0x20 0x41 Short_String length 2 A 9 Data Type 198 0x41 0x01 0x09 OxC6 USINT 8 bit unsigned integer 11 Width 3 0x41 0x01 Ox0B 0x03 3 ASCII bytes to be converted 13 Conversion D 0x41 0x01 0x0D 0x44 ASCII bytes represent decimal number 15 Data in I O Response 1 0x41 0x01 Ox0F 0x01 Enable data in 1 O response 16 Enabled 1 0x41 0x01 0x10 0x01 Instance 1 enabled Serial Receive Object Instance 2 is configured to
79. n low byte high byte format Many PLC processors use word aligned data tables so working with ASCII strings in a low byte high byte format is difficult By enabling the CDN36X byte swap feature the gateway automatically swaps each pair of contiguous bytes in the I O messages This allows you to send output message data in high byte low byte format and receive input message data in high byte low byte format The following example shows how the CDN36X byte swap feature modifies the input bytes in a DeviceNet I O Response Message TX Ack Byt RX Toggle Byt SRO1 RXData 1 SRO1 RXData 2 Normal Format SROx RXData N SROx RXData N 1 Swapped Format The following example shows how the CDN36X byte swap feature interprets the output bytes in a DeviceNet I O Command Message Normal Format STOx TXData N 1 STOx TXData N Swapped Format RS422 Mode CDN367 only Selects between RS422 4 wire or RS485 2 wire operation I O Produce Size Read only attribute is the number of input bytes sent in an I O Response Message Gateway calculates based on enabled Serial Receive Object Instances Data Size I O Consume Size Read only attribute is the number of output bytes expected in an I O Command Message Gateway calculates based on enabled Serial Transmit Object Instances Data Size MKS Instruments Inc D LP Products Group 53 CDN36X User Manual revision 1 30 Serial Receive Object Settings There are eight i
80. nce Service Name 14 0x0E Yes Yes Get_Attribute_Single 16 0x10 No Yes Set_Attribute_Single 75 Ox4B No Yes Allocate Master Slave 76 0x4C No Yes Release Master Slave MKS Instruments Inc D I P Products Group 45 CDN36X User Manual revision 1 30 ASSEMBLY OBJECT The Assembly Object instances bind attributes of multiple objects to allow data to or from each object to be sent or received over a single connection Object Class Code 04 0x04 Class Access Name Type Value Attribute Instance Access Name Type Value Attribute 3 Get Data Stream note 1 Instance 100 for input data stream Instance 101 for output data stream Common Services Service Code Class Instance Service Name 14 0x0E Yes Yes Get_Attribute_Single 16 0x10 No Yes Set_Attribute_Single Instance 100 Input Data Stream and Instance 101 Output Data Stream are structured as either an array of bytes or as a Short_String consisting of a single byte length field and N data bytes The Input Data Stream is the data returned in the I O Response Message The Output Data Stream is the data returned in the I O Command Message See Chapter 3 for a complete description of the I O Format I O Response TX Ack bits 1 8 RX Toggle bits 1 8 RX Data Instance 1 RX Data Instance 2 RX Data Instance 8 I O Command TX Toggle bits 1 8 RX Ack bits 1 8 TX Data Instance 1 TX Data Instance 2 TX Data Instance 8 MKS
81. nitors Instance 1 and 2 Transmit Acknowledge bits to tell when the message has been sent The application toggles Instance 3 Transmit Toggle bit to transmit Message 2 and monitors the Instance 2 Transmit Acknowledge bit to tell when the message has been sent MKS Instruments Inc D LP Products Group 89 CDN36X User Manual revision 1 30 Chapter 8 Troubleshooting Problem Possible Cause DeviceNet Configuration Program does not recognize Gateway Register Gateway EDS file with Configuration Program DeviceNet Configuration Program does not recognize Gateway after loading EDS file Check Major and Minor Revisions for Gateway and EDS file to see if you have correct EDS file for your Gateway s firmware version Gateway does not appear on e Check wiring and cable connections DeviceNet network e Check DeviceNet power supply voltage e Make sure Gateway baud rate matches network baud rate e Verify Gateway baud rate is set from rotary switches or retentive memory value e Make sure Gateway MAC ID is not used by another device After setting Gateway MAC ID e Disconnect Gateway from network before changing MAC ID DeviceNet Master does not e Make sure Gateway MAC ID is not used by another device recognize Gateway e Verify Gateway MAC ID is set from rotary switches or retentive memory value e Verify DeviceNet baud rate NET LED is flashing red e Gateway is removed from DeviceNet Master scanlist or netw
82. nstance Number Log Seg Atribute Attribute Number USINT 15 Get Consumed Path Length USINT 0 for Explicit Message 6 for I O Message MKS Instruments Inc D I P Products Group 47 CDN36X User Manual revision 1 30 16 Get Consumed Path STRUCT of Null for Explicit Message STRUCT for I O Message Log Seg Class USINT Class Number USINT r Ga PProduction inhibi JUINT oS Common Services Service Code Class Instance Service Name 05 0x05 Yes Yes Reset 14 0x0E Yes Yes Get_Attribute_Single 16 0x10 No Yes Set_Attribute_Single MKS Instruments Inc D I P Products Group 48 CDN36X User Manual revision 1 30 SERIAL STREAM OBJECT The Serial Stream Object configures the CDN36X serial channel erial Stream Object Class Code 64 0x40 Class Access Name Type Value Attribute D6 Ge Ma Cass Tdentfier onr p SSS Attribute 4 Gose Da Bis JUSINT jus 5 Get Set Parity USINT 0 no parity 1 odd parity 2 even parity 3 mark 4 space Get Set Flow Control USINT none 1 XON XOFF 2 CTS RTS Get Set Delimiter Mode Bit 0 List mode Bit 1 Timeout mode Bit 2 Length mode Get Set Pre Delimiter List Short_String List mode String of 1 9 bytes Get Set Post Delimiter List Short_String List mode String of 1 9 bytes Get Set Packet Timeout USINT Timeout mode delay between received bytes 1 255 msec Get Set Packet Length USINT Length mode
83. ode List 0x54 0x45 0x4D 0x50 0x20 0x3D 0x20 0x36 0x34 0x20 0x43 Pre Delimiter 0x01 0x02 Post Delimiter 0x02 0x0D 0x03 3 Serial Receive Object Instance 1 processes message packet Pre String 0x07 TEMP 0x54 0x45 0x4D 0x50 0x20 0x3D 0x20 0x36 0x34 0x20 0x43 Data 64 Post String 0x02 C 4 Instance 1 converts ASCII data to Data Type value Data Type SINT Width 2 Conversion D 0x36 0x34 0x36 0x34 gt 64 gt 64 decimal gt 0x40 hex 0x40 5 Instance Receive Data value sent to DeviceNet master V I O RESPONSE MESSAGE TA RT xxxxxxx1 0x40 SRO3 Data SRO6 Data TA Transmit Acknowledge bits RT Receive Toggle bits Instance 1 bit toggled 0 1 0x40 Instance 1 Receive Data 6 Application acknowledges reading new Receive Data VO COMMAND MESSAGE TT RA xxxxxxx1 STO Data TT Transmit Toggle bits RA Receive Acknowldege bits Instance 1 bit set to 1 MKS Instruments Inc D LP Products Group 23 CDN36X User Manual revision 1 30 Serial Transmit Example The following example shows how the CDN36X gateway receives DeviceNet output data converts the data into an ASCII string then builds and transmits a serial message using the converted string The gateway receives an I O Command Message from the DeviceNet master The first byte in the
84. oduce Size Number of data bytes returned in an I O Response Message I O Consume Size UINT Number of data bytes expected in an I O Command Message Baud Rate Sets the serial channels data or baud rate Enter Baud Rate in bits per second bps as a decimal number Data Bits Selects the number of data bits in one serial byte This number does not include start parity or stop bits Parity Selects the parity type used in the serial byte Selecting any parity option other than NONE adds 1 parity bit to the serial byte length Stop Bits Selects the number of stop bits in one serial byte MKS Instruments Inc D I P Products Group 31 CDN36X User Manual revision 1 30 Flow Control Selects the method of flow control used across the serial interface NONE means there is no flow control over the serial data exchange The transmitting device can overflow the receiving device s buffer XON XOFF is a software flow control option Receiving device sends an XOFF character to the transmitting device when its buffer is full stopping further transmission It sends an XON character when it can again receive data The XOFF and XON characters are not saved as message data CTS RTS is an RS232 hardware flow control option available only on the CDN366 gateway The RTS is an output and CTS is an input signal The gateway keeps RTS active low when it can receive data It only transmits data when CTS is active low Delimiter Mode
85. ork Power cycle Gateway to reset NET LED is solid red e Make sure Gateway MAC ID is not used by another device Possible DeviceNet network failure NET LED is off e Check wiring and cable connections e Check DeviceNet power supply voltage e Make sure Gateway baud rate matches network baud rate e Verify Gateway baud rate is set from rotary switches or retentive memory value MOD LED is flashing or solid red Gateway has failed Cycle power to reset Replace Gateway if necessary RX LED does not flash green when data is sent to the Gateway If Sync Enabled make sure Receive Toggle and Receive Acknowledge bits are being toggled If application does not toggle Receive Acknowledge Gateway will not receive data Verify data is being received in Receive Data If Sync Enabled is disabled verify data is being received in Receive Data Verify source device is transmitting data to Gateway RX LED is solid red after Gateway receives data Check Serial Status for RX buffer Overflow or Parity Error Reset Gateway or clear Serial Status error bit if necessary Make sure parity is set to match transmitting device TX LED is solid red after receiving data from DeviceNet Master Ceck Serial Status for TX buffer Overflow or Parity Error Reset Gateway or clear Serial Status error bit if necessary Make sure parity is set to match receiving device configuration TX LED does not flash green when Gateway should be transmitting
86. our configuration tool instructions to register EDS file MKS Instruments Inc D LP Products Group 30 CDN36X User Manual revision 1 30 Configure Serial Channel The Serial Stream Object attributes control the physical layer settings for the CDN36X serial channel These settings apply to all serial transmit and receive operations The attributes also configure the reception of message packets Before you can set or change any gateway configuration settings make sure the gateway is not in the DeviceNet master scan list Serial Stream Object Instance Attributes Class Code 64 Number Name Data Type Value Baud Rate UDINT 300 1200 2400 4800 9600 19200 bps 3 USINT 5 Parity USINT 0 no parity 1 odd parity 2 even parity 3 mark 4 space ops UNT Flow Control USINT 0 none 1 XON XOFF 2 CTS RTS 7 10 Delimiter Mode USINT Bit 0 List mode Bit 1 Timeout mode Bit 2 Length mode Pre Delimiter List Short_String List mode String of 1 9 bytes 2 Post Delimiter List Short_String List mode String of 1 9 bytes USINT Timeout mode delay between received bytes 1 255 msec Packet Length USINT Length mode Number of message bytes 1 128 Serial Status USINT _ Bit 0 RX buffer overrun error Bit 1 RX parity error Bit 4 TX buffer overrun error Bit 5 TX parity error 1 enable 0 4 wire mode RS422 full duplex 1 2 wire mode RS485 half duplex T O Pr
87. process the 9 character serial number UPC label message packet The Receive Mode is set to Use Pre String and Use Data fields The Pre String attribute is set to SN This string is used to filter for the serial number message packet The serial number range is 1 to 60000 so the Data Type is set for UINT with a Width of 5 and Conversion is set to decimal The Data Size is 2 bytes for UINT Serial Receive Object Instance 2 Configuration Class Code 65 or 0x41 Attribute Data Class Instance Attribute Data Description 6 Receive Mode 3 0x41 0x02 0x06 0x03 use Data Pre String fields 7 Pre String 0x04 SN 0x41 0x02 0x07 0x04 0x53 0x4E 0x3A 0x20 Short_String length 4 SN 9 Data Type 199 0x41 0x02 0x09 0xC7 UINT 16 bit unsigned integer 11 Width 5 0x41 0x02 0x0B 0x05 5 ASCII bytes to be converted 13 Conversion D 0x41 0x02 0x0D 0x44 ASCII bytes represent decimal number 15 Data in I O Response 1 0x41 0x02 0x0F 0x01 Enable data in I O response 16 Enabled 1 0x41 0x02 0x10 0x01 Instance 2 enabled Make sure Serial Receive Object instances 3 8 are disabled since only Instances and 2 are used in this application The gateway returns 5 input bytes to the DeviceNet scanner in the I O Response Message The I O Produce Size is 5 with the data organized as follows Transmit Acknowledge bits Receive Toggle bits Instance 1 USINT data Instance 2 UINT data 1 byte 1 byte 1 byte 2 bytes The gateway is now
88. red You must select Use Data in order to send input data to the DeviceNet master When Use Post String bit is set the Instance searches the message packet bytes for a match to the stored Post String If a match is not found the message packet is ignored Pre String Required if Use Pre String selected in Receive Mode Enter a string of 1 9 bytes in Short_String data format with 1 byte string length Example Pre String is 0x01 0x41 where string length is 1 and pre string character is 0x41 A You must use the RSNetworx Class Instance Editor Set Attribute Single command to write a Short_String attribute value Post String Required if Use Post String selected in Receive Mode Enter a string of 1 9 bytes in Short_String data format with 1 byte string length Example Post String is 0x02 0x42 0x43 where string length is 2 and post string characters are 0x42 B and 0x43 C You must use the RSNetworx Class Instance Editor Set Attribute Single command to write a Short_String attribute value Data Type The Instance converts received ASCII message data into the selected data type for Receive Data Decimal Hex pata type Tate Size ye Value Range SINT signed bit niega 125 127 INT signed 16 bit integer 32708 32707 Enter number from decimal or hex column to select the desired data type Data Size column defines the number of data bytes for Receive Data For Short_String set Data S
89. rial Transmit Object Instance TX Data Serial Transmit Object Transmit Data attribute DeviceNet I O Response Message Data RX Toggle SRO Inst 1 Byte RX Data RX SRO Inst 2 a TX Ack Byte bits 0 7 contain Transmit Acknowledge bits from Serial Transmit Object Instances 1 8 respectively RX Toggle Byte bits 0 7 contains Receive Toggle bits from Serial Receive Object Instances 1 8 respectively SRO Inst MKS Instruments Inc Serial Receive Object Instance RX Data Serial Receive Object Receive Data attribute D I P Products Group 12 CDN36X User Manual revision 1 30 Serial Channel Interface The CDN36X serial channel consists of an asynchronous serial transmitter and receiver The serial interface is configured and controlled by the Serial Stream Object Serial Receive Object and Serial Transmit Object Serial Stream Object The Serial Stream Object attributes configure the serial channel s baud rate number of data bits and stop bits parity and flow control This configuration applies to both the serial transmitter and receiver The gateway has separate 128 byte serial transmit and receive FIFO buffers allowing full duplex operation when supported by the physical layer media The Serial Stream Object also scans incoming serial data for valid message packets A message packet is determined by one of three Delimiter modes List mode searches for Pre Delimiter and Post Delimiter byte strings at the beginning an
90. roducts Group 41 CDN36X User Manual revision 1 30 Chapter 5 DeviceNet Specifications This chapter describes the CDN36X gateway DeviceNet specifications DeviceNet Message Types The CDN36X is a Group 2 Slave Device that supports the following message types CAN IDENTIFIER GROUP 2 MESSAGE TYPE 10xxxxxx111 Duplicate MAC ID Check Message 10xxxxxx110 Unconnected Explicit Request Message 10xxxxxx101 Master I O Command Message 10xxxxxx100 Master Explicit Request Message XXXXXX CDN36X MAC ID DeviceNet Class Services The CDN36X is a Group 2 Slave Device that supports the following class services and instance services SERVICE CODE SERVICE NAME 05 0 05 14 0x0E Get Attribute Single 16 0x10 Set Attribute Single 75 0x4B Allocate Group 2 Identifier Set 76 0x4C Release Group 2 Identifier Set DeviceNet Object Classes The CDN366 device supports the following DeviceNet object classes CLASS CODE OBJECT TYPE 01 0x01 Identity 02 0x02 Router 03 0x03 DeviceNet 04 0x04 Assembly 05 0x05 Connection 64 0x40 Serial Stream Object 65 0x41 Serial Receive Object 66 0x42 Serial Transmit Object MKS Instruments Inc D LP Products Group 42 CDN36X User Manual revision 1 30 IDENTITY OBJECT The Identity Object is required on all DeviceNet devices It provides product identification of and general information Identity Object Class Code 01 0x01 Attrib
91. roups pull down menu You show see the 9 attributes for this object instance TREN General Parameters 1 0 Defaults EDS File Select the parameter s that you want to configure and initiate an action using the toolbar Groups Tx Inst 1 A lave SH s ID Parameter Current Value Tx Inst 1 Transmi 0 Tx Inst 1 Transmi 0 Tx Inst 1 Transmi XXX00001 Tx Inst 1 Data Ty 218 Tx Inst 1 Data Size 13 Tx Inst 1 Width D Tx Inst 1 Precision 0 Tx Inst 1 Conver 0 Tx Inst 1 Data in In Poll Command Cancel Apply Help You may now edit the Serial Receive Object Instance 1 attributes in this window Note that the String1 and String2 attributes are not listed These attributes use Short_String data type which is not supported by RSNetworx EDS File interface Use the Class Instance Editor to configure Short_String attributes Eile Edit View Network Device Tools Help ECR A ICE L alk l 1747 SDN CDN366 4 MDSIMS1 Scanner Module 3 Cut Ctrl x Copy Ctrl C a Delete Del Upload from Device Download to Device Class Instance Editor Properties MKS Instruments Inc D I P Products Group 72 CDN36X User Manual revision 1 30 Select the Set_Attribute_Single service code to write an attribute value and the Get_Attribute_Single service code to read an attribute value Check Values in decimal box to enter class instance attribute
92. s The Serial Receive Object processes the received message packet converts it into input data and returns it to the DeviceNet master The Serial Transmit Object receives output data from the DeviceNet master converts it into a message packet and transmits it out the serial channel You can configure up to 8 Instances each for the Serial Receive Object and Serial Transmit Object Chapter 5 contains detailed information on each DeviceNet object class DeviceNet Interface The CDN36X gateway operates as a DeviceNet slave It supports Explicit Messages Polled I O Messages and Change of State COS I O Messages of the predefined master slave connection set The Explicit Unconnected Message Manager UCMM is not supported The I O Messaging process consists of the DeviceNet master sending output data to the CDN36X in the form of a Poll COS Command Message and the CDN36X returning input data to the DeviceNet master in a Poll COS Response Message The difference between Poll and Change of State is Polled I O Messaging is initiated by the DeviceNet master and responded to by the slave device Change of State I O Messaging is initiated by changes to the master s output data values or the slave s input data values causing the master or slave to immediately transmit its new output or input data when it changes Please refer to DeviceNet Specification for detailed information on Polled I O and Change of State I O Messaging The output and input data b
93. s E E ouasds noid sadustuteateatavestusava E 84 EXAMPLE 3 TRANSMITTING DATA ana gi ss RA SS S RA es 86 SETIGL BFINTETS Sa ds A A a ea 66 CDN366 Gate WWA s ala flag gada as t ie adas ga 86 EXAMPLE 4 TRANSMITTING DELIMITED DATA 88 RAA A A RE RR RA 88 CDN366 Gateway ociosa ide a 88 CHAPTER 8 TROUBLESHOOTING i cssssssscsssoosevsiosssestecsesansooessncsssesvensosnssecsesnsssessacsesvsdessesesiossevensesdesdeesosesees 90 APPENDIX A PRODUCT SPECIFICATIONS ssscccsssscscssssccessscscsssscccsssscccesssccccsssecccesscaccscssccccssaccccssssseces 91 DEVIGENET INTERFACE sito idad a ls ooo bs ss ARE FARBER E a ss BS EE 91 SERIAL CHANNE E A sa As da a sr us sis 91 ENVIRONMENTAL 3 2 sist asas ass is ss du ss sis aitas si sa i sr 91 APPENDIX B DEVICENET TEMPLATE ssscccssssscssssccsssscccesssccccssssccscssccecessecccesscaccecsscecscsacecesssaccescssnscces 92 APPENDIX C ASCII CHARACTER CODES ssssccssssscccssssccesssssccssssccscssccccssssscccssssccscssccscssnsceccsssaccscsnseeces 93 MKS Instruments Inc D LP Products Group 3 CDN36X User Manual revision 1 30 Chapter 1 Overview This document describes how to install configure and operate the CDN36X series of serial to DeviceNet gateways The following products are covered in this user manual Part Number FW Rev Serial Channel CDN366 2 04 or higher RS232 full duplex CDN367 2 04 or higher RS422 full duplex RS485 half duplex The CDN36
94. sages 1 Serial Transmit Object Instance 1 configured to convert a Short_String data output value into message bytes DeviceNet output bytes 0x04 0x30 0x31 0x32 0x33 Transmitted message packet 0123 2 Serial Transmit Object Instance 2 configured to convert an 8 bit unsigned integer USINT data output value into 3 ASCII characters String A EQUALS is placed before data and String2 UNITS is placed after data DeviceNet output byte 0x10 Transmitted message packet A EQUALS 016 UNITS Example 2 Serial Transmit Object Instances 1 2 3 are configured to transmit a complex serial message using 3 output data values 1 Serial Transmit Object Instance 1 Transmit Mode Use String Before Use Data Use String2 After String 0x02 V String2 0x01 Data Type USINT width 1 conversion D with no leading zeros Converts output data byte 0x08 into one ASCII char 0x38 STX V8 2 Serial Transmit Object Instance 2 Transmit Mode Use Data Data Type USINT width 3 conversion D with leading zeros Converts output data byte 0x22 into three ASCII chars 0x30 0x33 0x34 034 3 Serial Transmit Object Instance 3 Transmit Mode Use String Before Use REF 19 ETX Data Use String2 After String 0x04 REF String2 0x01 0x03 Data Type USINT width 2 conversion D with leading zeros Converts output data byte 0x13
95. snseesreraeserersoceosencesessesensseseconeneusesevserorenecetencuseassupnererensceaesoesttuatereseronsestoreneess Synchronization v 42 5 cdoisdi never tata cs Receive Synchronization Transmit Synchronization A iii CHAPTER 4 GATEWAY CONFIGURATION cssssscssssssccsssscccsssccccesssscccsssscccessccccesssccccsssaccscsscascsssaceccssnaes 28 CONFIGURE DEVICENETINTEREFACE yf 3 6205 decisis ie iaa da da t s ass K Hee pic 28 DeviceNet Baud Rate a ds sed 28 MACID WU nes viesa a Vale t d ts aun tics aja 28 POWER UP GATEWAY dci cea AA 29 DeviceNet StAtUs LEDS tes ats aL ds ais 29 Serial Charinel Status LEDS a das 29 Register EDS Fil oo aia they Adeline s sa ai as saaks ir vette Se 30 CONFIGURE SERIAL CHANNEL a ies k sien eseri 31 SERIAL RECEIVE OBJECT SETTINGS isis boat atsist Basis iris biti ista 34 SERIAL FRANSMIT OBJECT SETTINGS r conieicxdenueescerss in ida 37 CONFIGURE DEVICENET MASTER SCANLIST occocoooconnnonccononononnnonccnnonnnonononcnnononnnnonnncnnononnnnnnnnnnnononnnn nn nnnccnonnnnonennncnnnns 40 VOB IST TAS RRA sal sa AAS E 40 TO Pr A ba 41 CHAPTER 5 DEVICENET SPECIFICATIONS sssssccsssssscessscccssssccssssccccssssccscsscccessssscessacccessccssessecscessneees 42 DEVIGENET MESSAGE LYPES is es cies tadas nests ta tdns sesks aiii idas 42 DEVICENET GLASS SER VICES cia diia 42 DEVIGENET OBJECT GLASSES nc ae a a it 42 IDENTITY OBIE ET o 43 ROUTEROBTE CT o 44 DEVICENETOBIECT 200 A ita ta Ass 45 ASSEMBLYO
96. stance Editor Set Attribute Single command to write a Short_String attribute value String2 Required if String2 Before or String2 After selected in Transmit Mode Enter a string of 1 9 bytes in Short_String data format with 1 byte string length Example String2 is 0x03 0x43 0x44 0x45 where string length is 3 and post string characters are 0x43 C 0x44 D and 0x45 E You must use the RSNetworx Class Instance Editor Set Attribute Single command to write a Short_String attribute value Data Type Defines the Transmit Data attribute data type Decimal Hex patatype Date Size byte Vawe Range UINT unsigned 16 bit integer 0 65535 REAL 32 bit floating point value 1 175E 38 3 4028E 38 Short_String Set by data size attribute Max 240 bytes Enter number from decimal or hex column to select the desired data type Data Size column defines the number of data bytes for Transmit Data For Short_String set Data Size attribute to the desired number of data bytes plus 1 length byte Set the Width attribute to the expected number of ASCII bytes to be converted into a real or integer number Set the Precision attribute to the desired number of digits after the decimal point in a real number Data Size Required for Short_String Data Type Defines the maximum number of bytes in a Short String plus one length byte 2 128 The first byte in a Short_String defines the string length The Data
97. t 2 use String2 before data Bit 3 use Stringl after data Bit 4 use String2 after data e String of 1 9 bytes 8 Smin Shon String String of 1 9 bytes Data Type USINT 194 0xC2 SINT 1 byte 195 0xC3 INT 2 bytes 198 0xC6 USINT 1 byte 199 0xC7 UINT 2 bytes 202 OxCA REAL 4 bytes 218 OxDA Short String Data Size bytes o pase pmr pm T 13 Conversion USINT Bit 0 hex 0 for decimal 1 for hex EI K rem 15 Data In I O Command BOOL O no_l yes ss no 1 yes Transmit Data Data to be transmitted by this Instance as a serial message packet The Transmit Data value is typically received in the DeviceNet I O Command Message Transmit Toggle User application must toggle this bit when it sends a new Transmit Data value in the I O Command Message Instance will only process and transmit a Transmit Data value once after this bit is toggled Transmit Acknowledge Gateways sets egual to Transmit Toggle when the current Transmit Data message packet is gueued in transmit buffer indicating the Instance is ready new data Transmit Mode Defines the message packet structure to be transmitted The message packet can consist of 5 fields String Before String2 Before Data String After and String2 After Set associated bits 0 1 2 3 4 to enable the desired fields Set the remaining bits 5 7 to zero String Before String2 Before Data String After String2
98. tWorx for DeviceNet Before the software allows you to configure online devices you must upload or download device information When the upload or download operation 1 is completed your offline configuration will be synchronized with the online network Note You can upload or download device information on either a network wide or individual device basis MKS Instruments Inc D I P Products Group 61 CDN36X User Manual revision 1 30 3 RSNetworx displays the following text box while it uploads the network configuration Browsing network Not found Device at node 14 MERA 4 The following screen displays the online nodes DeviceNet RSNetWorx for DeviceNet als WSs Lel acarrea 5 l CDN366 4 MDSIMS1 let File Edit View Network Device Tools Help EN 1747 SDN H 4 PM Graph Spreadsheet Master Sie 2 xl Ej Message Code Timestamp Description 10004101 3 4 2002 16 40 58 Mode changed to online Messages Online Not Brows z MKS Instruments Inc D I P Products Group 62 CDN36X User Manual revision 1 30 5 Left click on the CDN366 icon to select it Right click and select Properties from the pop up menu You can also double click on the CDN366 icon to open its properties box DeviceNet RSNetWorx for DeviceNet Eile Edit View Network Device Tools Help o Ble H ss BE We CO F E 1747 SDN CDN366 4 MDSIMS1 Scanner Module 4 cut Ctr
99. tances T up to 8 Instances T Configures the DeviceNet Converts output data from Converts received message Configures the serial channel interface baud rate and DeviceNet master to message packet to input data Input Scans channel for valid message MAC ID address packet Transmits message data returned to DeviceNet packets which are passed to packet out the serial channel master Serial Receive Object instances MKS Instruments Inc D LP Products Group 9 CDN36X User Manual revision 1 30 DeviceNet Object Model The DeviceNet Specification defines an Object Model that consists of Objects and Attributes An Object is a predefined software process and an Object Attribute is a data value used or created by that process An Object can have multiple Instances or the same process operating with different sets of Attributes or data values For the purpose of this document an Object Instance is an independent program or process and its Attributes are configuration parameters and data values that are unique to that specific Object Instance The CDN36X gateway has eight different Object Classes or types Five are standard objects defined by the DeviceNet Specification Identity Router DeviceNet Assembly Connection Three are specific objects defines for the CDN36X gateway Serial Stream Serial Receive Serial Transmit The Serial Stream Object configures the serial channel and scans the incoming serial stream for valid message packet
100. tes in the VO Response Message All disabled Instances must have this attribute set to zero Enabled Enables the Serial Receive Object instance When enabled the Instance processes received messages based on its Receive Mode and Data Type This attribute must be disabled for all unused Serial Receive Object Instances Sync Enabled Enables receive synchronization with the user application When enabled the instance will not update its Receive Data until the Receive Acknowledge bit matches the Receive Toggle bit Enabling receive synchronization ensures that the user application does not miss any received message data between polls MKS Instruments Inc D LP Products Group 36 CDN36X User Manual revision 1 30 Serial Transmit Object Settings There are eight identical Serial Transmit Object instance attribute sets that can be configured in the CDN36X gateway This section describes how to configure a single Serial Transmit Object instance Repeat this step for each desired instance Serial Transmit A ag Aen Instance Attributes Class Code 66 poate 3 Transmit Data Data Type Message data to transmit Received in YO Command Message 4 Transmit Toggle BOOL User app toggles 0 1 1 0 to indicate new Transmit Data value 5 Transmit Acknowledge BOOL Gateway sets this bit to match Transmit Toggle when the latest Transmit Data message has been sent Transmit Mode USINT Bit 0 use Data Bit 1 use Stringl before data Bi
101. the attribute values Serial Stream Object Configuration Class Code 64 or 0x40 Attribute Data Class Instance Attribute Data Description 3 Baud Rate 300 0x40 0x01 0x03 0x01 0x2C 300 bps 4 Data Bits 7 0x40 0x01 0x04 0x07 7 data bits 5 Parity 2 0x40 0x01 0x05 0x02 Even parity 6 Stop Bits 2 0x40 0x01 0x06 0x02 2 stop bit 7 Flow Control 1 0x40 0x01 0x07 0x01 XON XOFF The next step is to configure the CDN366 gateway to transmit data received from the DeviceNet scanner to the serial printer To allow the printing of any text message the gateway is configured to pass through the ASCII data bytes from the scanner to the printer The gateway will receive a Short_String variable from the scanner Only one Serial Transmit Object Instance will be configured to process the one data variable The Data Type is Short_String with a Data Size of 65 maximum text message size is 64 plus the length byte The Transmit Mode is Use Data Serial Transmit Object Instance 1 Configuration Class Code 66 or 0x42 Attribute Data Class Instance Attribute Data Description 6 Transmit Mode 1 0x42 0x01 0x06 0x01 Use Data 9 Data Type 218 0x42 0x01 0x09 OxDA Short_String 10 Data Size 65 0x42 0x01 Ox0A 0x41 1 length byte 64 data bytes 15 Data in I O Command 1 0x42 0x01 OxOF 0x01 Enable data in I O command MKS Instruments Inc D LP Products Group 86 CDN36X User Manual revision 1 30 Make sure Serial Transmit Object instances 2 8 are disab
102. tput Data Bytes 0x03 0x41 0x42 0x43 0x08 OxFF 0x47 Short_String data size 4 USINT integer data size 1 INT integer data size 2 Use Data Field width 1 conversion D width 4 conversion D 0x41 0x42 0x43 ABC Use Data Field Use String Before 0x06 VAL 0x08 gt 8 0x38 Use Data Field Use String2 After 0x02 F Transmitted Message Packet Transmitted Message Packet OXFF 0x47 185 gt 185 Transmitted Message Packet VAL 185 F You can configure up to 8 Serial Transmit Object Instances allowing you to transmit up to 8 different serial messages You can also build complex messages by linking together each instance s message packet The Serial Transmit Object sequentially processes the I O Command Message output data in order of instance number starting with Instance 1 Each enabled instance converts its output data bytes into a message packet that is loaded into the transmit buffer The following examples show how the Serial Transmit Object Instances create messages Transmitted Message String Before Data String2 After String After String2 Before String2 After Instance 1 Instance 2 Instance 3 Instance 4 message packet message packet message packet message packet MKS Instruments Inc D I P Products Group 17 CDN36X User Manual revision 1 30 Example 1 Serial Transmit Object Instances 1 amp 2 configured to transmit two different serial mes
103. tring and Post String bytes are then converted into a Short_String integer or real number The following examples show how the Serial Receive Object can be configured to process a Message Packet Received Message Packet Message Packet Bytes ASCII VALUE 100 F 1 Short_String 2 Short_String 3 Short_String 4 Integer USINT data size 14 data size 5 data size 4 data size 1 Use Data Field Use Data Field Use Pre String Use Pre String Use Data Field Use Data Field Use Post String Use Post String 13 VALUE 100 F 4 VALU 8 VALUE 8 VALUE You can configure up to 8 Serial Receive Object Instances allowing you to process a received message packet against 8 different filters Each enabled Instance parses through the message packet consuming bytes based on its configuration When an Instance is finished the remaining message packet bytes are passed to the next enabled Instance The Serial Receive Object sequentially processes a message packet in order of Instance number starting with Instance 1 The processing continues until either all message packet bytes have been consumed or all the enabled Instances are done If an Instance cannot find a string of message bytes that matches its configuration no message packet bytes are consumed and are passed to the next Instance The following examples show how the Serial Receive Object Instances process a received message packet Received Message Pack
104. truments Inc D I P Products Group 59 CDN36X User Manual revision 1 30 13 Repeat steps 1 2 and 3 to browse the DeviceNet network RSNetworx should now recognize the device at MAC ID 03 as a CDN366 gateway and display the CDN366 icon Click Cancel when finished Browse for network Select a communications path to the desired network MV Autobrowse EY Workstation MDSIMS1 Es Linx Gateways Ethernet 2 5 DeviceNet 00 1747 SDN Scanner Module 5 03 CDN366 El 62 Workstation MDSIMS1 Cancel Help MKS Instruments Inc D I P Products Group 60 CDN36X User Manual revision 1 30 Configure Serial Channel Once the gateway is connected to DeviceNet and communicating with RSNetworx you can configure its serial channel Make sure the gateway is not in the DeviceNet master scanlist before changing any attribute values The Serial Stream Object attributes control the physical layer settings for the gateway s serial channel The following steps show how to configure the Serial Stream Object attributes using the RSNetworx program 1 Select the Online operation from the Network menu Select the DeviceNet adapter 1770 KFD 1 in this example and click OK Browse for network Select a communications path to the desired network M Autobrowse Refresh El Workstation MDSIMS1 Es Linx Gateways Ethernet 7 5 1770 KFD 1 DeviceNet 00 1747 SDN Scanner Module 5 03 CDN366 El 62 Workstation MDSIMS1 RSNe
105. use Pre String Field Bit 2 use Post String Field Short Sting String of 1 9 bytes 8 Geiser Post String Short String String of 1 9 bytes Get Set Data Type USINT 194 OxC2 SINT 1 byte 195 OxC3 INT 2 bytes 198 OxC6 USINT 1 byte 199 OxC7 UINT 2 bytes 202 OxCA REAL 4 bytes 218 OxDA Short String Data Size bytes 0 ca a pase USINT ers P Gaisa fwan OSI 13 Get Set Conversion USINT D 0x44 ASCII represents decimal integer AAA A X 0x58 ASCII represents hex integer 14 Get Set Pad Char CHAR Pad byte value Pad Poll Response if Rx data does E e E Enabled BOOL 0 disabled 1 enabled Sync Enabled BOOL 0 disabled 1 enabled Common Services Value S1 Service Code Class Instance Service Name 05 0x05 No Yes Reset 14 0x0E Yes Yes Get_Attribute_Single 16 0x10 No Yes Set_Attribute_Single MKS Instruments Inc D I P Products Group 50 CDN36X User Manual revision 1 30 SERIAL TRANSMIT OBJECT The Serial Transmit Object instances receive data from DeviceNet master in the I O Command Message convert it and transmit the resulting message out the serial channel Serial Transmit Object Class Code 66 0x42 Attribute 1 Ga Roison UNT P7 Ga ias Oira mms ONT 6 Get is Class enter JOINT 7 Get Max Instance Attribute UINT stands Access Name Type Value a kei il Data Data Type M
106. ute A O A S Ger Max Instance Attribute JUINT Attribute CI e DIA L oe froder cose fu Get Revision STRUCTO O O SoS Major Revision usnr ISSCC Minor Revision USINT 9 5 Get Device Status WORD bit 0 owned 0 available 1 allocated bit 2 configured 0 no 1 yes bit 4 7 vendor specific 0 bit 8 minor configuration fault bit 9 minor device fault bit 10 major configuration fault bit 11 major device fault bit 1 3 12 15 reserved 0 e Oe Seral Number UDINT unique serial number for every device 7 Get Product Name fsrRucro SSS Length POSI Get State USINT 0 nonexistent 1 device self testing 2 standby 3 operational 4 major recoverable fault 5 major unrecoverable fault Common Services Service Code Class Instance Service Name 05 0x05 No Yes Reset 14 0x0E Yes Yes Get_Attribute_Single MKS Instruments Inc D I P Products Group 43 CDN36X User Manual revision 1 30 ROUTER OBJECT The Message Router Object provides a messaging connection point through which a Client may address a service to any object class or instance residing in the CDN36X device Router Object Class Code 02 0x02 Attribute 6 Get max Class Identifier UNT Max Instance Attribute UINT Instance Access Name Type Value Attribute 2 e Number of Connections ONT f Common Services Service Code Class Instance Service Name
107. ytes are typically mapped into data files inside the DeviceNet master These data files are exchanged with the user application program which acts upon the received input data and writes new output data to the DeviceNet master MKS Instruments Inc D LP Products Group 10 CDN36X User Manual revision 1 30 Input a Inputs DeviceNet I O Response Receive input data 4 o ol P Message Packet Outputs Output File a DeviceNet I O Command Transmit output data gt a 2 Message Packet DeviceNet Master Serial Device Application Program CDN36X Gateway DeviceNet network The first 2 output data bytes received from the DeviceNet master contain synchronization bits for the gateway transmit and receive operations The remaining output data bytes contain serial message data to be transmitted out the serial channel Up to 8 different output data values can be sent in an I O Command Message one for each enabled Serial Transmit Object Instance The first 2 input data bytes sent from the gateway contain synchronization bits for the gateway transmit and receive operations The remaining input data bytes contain serial message data that has been received and processed by the gateway Up to 8 different input data values can be returned in an I O Response Message one for each enabled Serial Receive Object Instance The following diagram shows how the gateway s input and output data bytes map into the D

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