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SECTION 7

Message Communications

This section explains how to use message communications with a DeviceNet Interface Unit and how to use the PT when mes-
sage communications are being used.

7-1

Overview of Message Communications

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-1-1

Exchanging Data with the DeviceNet Interface Unit

. . . . . . . . . . . . . . . . . . . . . .

7-1-2

Data Flow of Explicit Messages

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-2

Using Message Communications

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-2-1

EXPLICIT MESSAGE SEND (FINS Command 28 01)

. . . . . . . . . . . . . . . . . . .

7-2-2

Using the CMND Instruction in CVM1 and CV-series PCs

. . . . . . . . . . . . . . . . .

7-2-3

Using the IOWR Instruction in CS1-series and C200HX/HG/HE PCs

. . . . . . . . .

7-3

Explicit Messages

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-3-1

Supported Explicit Messages

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-3-2

PT Memory Read (H

→

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-3-3

PT Memory Read (L

→

100

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-3-4

PT Memory Write (H

→

101

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-3-5

PT Memory Write (L

→

102

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-4

Sample Program

103

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Содержание NT-DRT21

Страница 1: ...NT DRT21 DeviceNet CompoBus D Interface Unit Operation Manual Produced August 2000...

Страница 2: ...n in this sense The abbreviation PC means Programmable Controller and is not used as an abbreviation for any thing else The abbreviation PT refers to OMRON NT series and NTH series Programmable Termin...

Страница 3: ...assumed with respect to the use of the information contained herein Moreover because OMRON is constantly striving to improve its high quality products the information contained in this manual is subje...

Страница 4: ...3 4 Grounding the Network 37 3 5 Noise Precautions 38 3 6 Correcting Faulty Operation Caused by Noise 40 3 7 Sharing the Same Power Supply 40 SECTION 4 Installation and Network Connection 43 4 1 Compo...

Страница 5: ...ions 85 7 3 Explicit Messages 99 7 4 Sample Program 103 SECTION 8 Error Processing 107 8 1 Error Screens Specific to the DeviceNet Interface Unit 108 8 2 Troubleshooting with the LED Indicators 109 Ap...

Страница 6: ...d how to use the PT when using remote I O communications Section 7 explains how to use message communications with a DeviceNet Interface Unit and how to use the PT when message communications are bein...

Страница 7: ...lent to a PT with a model number NT631 NT631C Setup Manual V063 ending in V1 system program version 2 1 These three manuals describe the functions of PTs with model numbers ending in V2 Refer to Appen...

Страница 8: ...rol lers You must read this section and understand the information contained before attempting to set up or operate a PC system 1 Intended Audience xii 2 General Precautions xii 3 Safety Precautions x...

Страница 9: ...and keep this manual close at hand for reference during operation WARNING It is extremely important that a PC and all PC Units be used for the specified purpose and under the specified conditions espe...

Страница 10: ...sult of severe changes in tempera ture Locations subject to corrosive or flammable gases Locations subject to dust especially iron dust or salts Locations subject to exposure to water oil or chemicals...

Страница 11: ...O in any system where allocations to the I O Units will overlap with allocations to I O Units Instead use a Programming Device or the CX Programmer to manually allocate I O to I O Units being sure tha...

Страница 12: ...the PC when data is being transferred In particular do not turn OFF the power supply when reading or writing a Memory Card Also do not remove the Memory Card when the BUSY indicator is lit To remove a...

Страница 13: ...erse effect will occur in the system before attempting any of the following Not doing so may result in an unexpected operation Changing the operating mode of the PC Force setting force resetting any b...

Страница 14: ...at voltages of 50 to 1 000 VAC or 75 to 1 500 VDC meet the required safety standards for the PC EN61131 2 6 3 Conformance to EC Directives The CS1 series PCs comply with EC Directives To ensure that t...

Страница 15: ...into consideration that the capacitance suppresses spark discharge when the contacts are separated and the resistance limits the current that flows into the load when the circuit is closed again The...

Страница 16: ...gh inrush current such as an incandescent lamp suppress the inrush current as shown below OUT COM R OUT COM R Countermeasure 1 Providing a dark current of approx one third of the rated value through a...

Страница 17: ...tions 3 1 2 1 DeviceNet Features 3 1 2 2 Communications Functions of Master Units 4 1 2 3 DeviceNet CompoBus D Communications Specifications 6 1 3 System Configuration 7 1 3 1 Master Units 7 1 3 2 Exa...

Страница 18: ...s and ex plicit message communications Remote I O Communications Remote I O communications can exchange data 32 input words and 32 out put words max with the PT at high speed and without programming j...

Страница 19: ...be used as a common bus to unify controls while reducing wiring A Configurator sold separately can be used to enable mounting more than one Master Unit to a single PC allowing control of many more po...

Страница 20: ...200HZ HX HG HE 50 nodes 63 nodes C200HS 32 nodes 63 nodes Max number of control CVM1 CV Series 2 048 pts 64 input 64 output words 6 400 pts 100 words x 4 blocks points per Master CS1 Series C200HZ HX...

Страница 21: ...mber of nodes per Master CVM1 CV Series 63 nodes Unit for message communications using explicit messages CS1 Series C200HZ HX HG HE 63 nodes C200HS Not supported Max message length CVM1 CV Series SEND...

Страница 22: ...ator 63 Max number of Slaves 63 Slaves Communications cycle time see note 4 Without Configurator Calculated from conditions Ex Input Slaves 16 pt 16 Output Slaves 16 pt 16 Cycle time at 500 kbps 9 7 m...

Страница 23: ...put words can be set independently from 0 to 32 words Do not allocate words that are allocated to another Slave 2 The maximum number of points controlled by each Master is lower with fixed allocation...

Страница 24: ...ote I O communications Slave Slave CVM1 CV series PCs 64 nodes max CS1 series C200HZ HX HG HE PCs 51 nodes max C200HS PCs 33 nodes max PT System Configuration with a Configurator Free Allocation Maste...

Страница 25: ...or software ISA Board 3G8F5 DRM21 PCMCIA Card in IBM PC AT or Compatible Configurator software PCMCIA Card 3G8E2 DRM21 Network Interface Unit Configurators Model number Components Connector to network...

Страница 26: ...be accessed with simulated direct access 1 5 1 Communications Using the DeviceNet Interface Unit With the regular Memory Link method the PT and host are connected through RS 232C or RS 422A communica...

Страница 27: ...itch Numeral memory table Direct access PT memory Input area Output area DeviceNet Network Explicit message com munications Transfers data in any area Lamp 1 5 2 Contrast with the Regular Memory Link...

Страница 28: ...or hexadecimal 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Word m Word m 1 Word m 2 Word 0 0 0 PT status notify bits PT status notify area s Displayed screen number None The current screen number can be fo...

Страница 29: ...he Memory Link used with the DeviceNet Interface Unit but data ex change between the PT parts memory tables etc and PT memory are the same This manual explains only the functions particular to the Dev...

Страница 30: ...sing the PT connected to the Device Net Interface Unit 2 1 Operating Procedures Flowchart 16 2 1 1 PT Settings Procedure 16 2 1 2 Flowchart 17 2 1 3 Preparations prior to Communications 18 2 1 4 Setti...

Страница 31: ...Software Switch settings Output area s starting PT memory word Example PM0100 Size of output area Example 32 words Input area s starting PT memory word Example PM0200 Size of input area Example 32 wor...

Страница 32: ...Separation from noise sources Do 1 and 2 above meet the DeviceNet specifications Refer to the DeviceNet CompoBus D Op eration Manual W267 Refer to Section 3 Network Design Determine the method for pr...

Страница 33: ...o 10 Master Units can be mounted if a Configurator is used 3 Connect a Programming Device to the PC and turn ON the power supply to the PC 4 Generate the I O table 2 1 4 Setting Up Communications Remo...

Страница 34: ...the scan list is disabled Always operate with the scan list enabled Refer to the DeviceNet Compo Bus D Operation Manual W267 for details on connecting more than one Mas ter Unit in a single network 1...

Страница 35: ...list enabled By operating with the scan list enabled the Master can determine whether or not the Slave PT is participating in the network so the user can check whether the DeviceNet network is operati...

Страница 36: ...Total Drop Line Length 26 3 2 5 Locating Terminating Resistors 26 3 3 Sharing the Communications Power Supply 27 3 3 1 Prerequisite Conditions 27 3 3 2 Determining the Communications Power Supply Met...

Страница 37: ...used to connect DeviceNet nodes The T branch method and the multi drop method With the T branch method the node is connected to a drop line created with a T branch Tap With the multi drop method the...

Страница 38: ...s can be used on the same network as shown in the following diagram Any number of nodes up to 63 can be con nected onto a single drop line Communications power supply Terminating Resistor Node Node Dr...

Страница 39: ...ength Length of drop line Node There are two types of cables Thick cables and thin cables The thick cables are relatively hard and inflexible but they protect against signal attenuation and can be use...

Страница 40: ...le Communications power supply Node 6 m Node Node Node Terminal block with Terminating Resistor Maximum network length thin cable 24 m Thin cable 125 m Thick cable 20 m Thin cable 1 m LTHICK LTHIN 175...

Страница 41: ...ate at 250 kbps or 125 kbps because the total maximum length of drop lines at 500 kbps must not exceed 39 m 3 2 5 Locating Terminating Resistors Be sure to connect the Terminating Resistors at both en...

Страница 42: ...y for cables is restricted to 8 A for thick cables and 3 A for thin cables A single network is usually supplied by one power supply It is however pos sible to have more than one power supply when powe...

Страница 43: ...of the power supply Step 1 Are the power supply specifications met Step 2 Determine the best location of the power supply from the graphs Are the power supply specifications met Calculate the best lo...

Страница 44: ...er supply Node Node Node Node Node 2 Locating the Nodes on One Side of the Power Supply Note Configuration 1 is recommended for a single power supply to several nodes Power Supply Tap or T branch Tap...

Страница 45: ...rent consumption of the communications cables Each drop line must satisfy the equation on page 27 which represents the rela tionship between the drop line length and the current capacity for the drop...

Страница 46: ...consumption of all the nodes to which communica tions power is to be supplied 2 Using the graph compute B the maximum current flow in each cable from the power supply to the end of the trunk line acco...

Страница 47: ...er supply length on right 120 m Total current consumption on left 1 1 1 25 0 5 2 85 A Total current consumption on right 0 25 0 25 0 85 1 35 A Maximum current for thick cable for 120 m see previous ta...

Страница 48: ...supplied to the communications power supply device Con sider the ambient variations of the power supply voltage and take V1 to be 23 V V2 Voltage supplied to each node Consider the allowance and take...

Страница 49: ...t power supply Due to this difference in lowest permissible ambient voltages when the internal circuit power is supplied by the communications power supply the permissible ambient voltage drop at is l...

Страница 50: ...ts 4 Analog inputs 4 Analog inputs 16 Output points 16 Input points Thin drop line Group 3 Group 2 Group 4 System 1 20 m 10 m 30 m System 2 Thick truck line 10 m 16 Input points 16 Input points Termin...

Страница 51: ...the nodes cannot be calculated from the for mulae In the third step there are multiple power supplies and the power supply system is split Splitting the Power Supply System Be sure to use a Power Supp...

Страница 52: ...rk The DeviceNet network is grounded only one point to prevent ground loops Also connect the ground as close as possible to the center of the network Connect the cable shield to the ground terminal FG...

Страница 53: ...unications line SYSMAC pow er lines and power lines near to each other In particular be sure to keep the pow er lines for inverters motors regulators and contactors at least 300 mm away from both the...

Страница 54: ...f the same ground is used for the communications cable and communications power sup ply there is a possibility that noise may be transmitted through the ground line to the communications line In order...

Страница 55: ...upply AC input Casing DC output Power supply circuit Suspending the Communications Power Supply S82J power supply S82Y jjN Mounting Tool When using S82J power supply DC power supply Insulating materia...

Страница 56: ...ation A Note The lower voltage boundary of the internal circuit power supply must be higher than that of the communications power supply To meet the voltage specifica tions for the internal circuit po...

Страница 57: ...e Unit to the DeviceNet network 4 1 Components and Their Functions 44 4 2 Mounting the Unit on the PT 45 4 3 Connecting to the DeviceNet Network 45 4 3 1 Connecting Communications Cables 45 4 3 2 Inst...

Страница 58: ...t Normal status Normal Unit condition Flashing Not set yet Switch settings are being read Red Lit Fatal error Unit hardware error Watchdog Timer error Flashing Non fatal error Minor error such as inco...

Страница 59: ...twork For details on connecting other Slaves or Masters refer to the individual Unit s manuals 4 3 1 Connecting Communications Cables This section explains how to prepare and connect the communication...

Страница 60: ...ver any exposed areas of the cable and lines with electricians tape or heat shrinking tubes 5 Orient the connector properly loosen the line set screws and then insert the lines in order from left to r...

Страница 61: ...wdriver that is consistently thin for the entire length Use a flat blade screwdriver that is consistently thin at the end The following diagram shows the dimensions of the OMRON XW4Z 00C screwdriver w...

Страница 62: ...s may break if the cables are bent too far 9 Never place heavy objects on communications cables 10 Double check all wiring before turning ON the power supply 4 3 3 Connecting Communications Cables to...

Страница 63: ...terminating resistor is included with the T branch Tap Clip the leads on the resistor to about 3 mm and insert it into the T branch Tap as shown in the follow ing diagram The resistor can face in eith...

Страница 64: ...stem Program 52 5 1 1 PT Operations 52 5 1 2 Computer Operations 54 5 2 Structure of the System Menu 56 5 3 Initializing DeviceNet CompoBus D Memory Switches 57 5 4 Serial Port A Settings 59 5 5 Devic...

Страница 65: ...ng used NT31 NT31C NT631 or NT631C that supports the DeviceNet Interface Unit 4 A PT which has the DeviceNet Interface Unit s system program installed can use only the functions of a V1 version of the...

Страница 66: ...ram not ex ist or incorrect will be displayed Press Download System Program Press Yes The system program will be erased A mes sage will be displayed while the system pro gram is being erased If Return...

Страница 67: ...NT31C system program Nt31 exe and the other contains the NT631 NT631C system program Nt631 exe Self extracting file Contents Remarks Nt31 exe DRT E0A 31 System program for the NT31 DRT E0A 31c System...

Страница 68: ...this area The following table shows the system programs which support the Device Net Interface Unit for each PT model File name Corresponding PT model DRT E0A 31 NT31 DRT E0A 31c NT31C DRT E0A 631 NT6...

Страница 69: ...Check PT Settings page 64 Display History Alarm History Screen Data Disp I O Check I O CHECK MENU Quit I F Check Device Check I F CHECK MENU Quit Tool Comm Comm Port A Comm Port B CompoBus D page 66...

Страница 70: ...ave been initialized the Device Net Interface Unit will use 32 input words and 32 output words The number of words used by all of the Slaves including the DeviceNet Interface Unit must not exceed the...

Страница 71: ...will be reset and will restart If No is pressed in the CompoBus D setting switch initialization screen the switch settings will not be initialized and the PT will return to the Memory Init menu The fo...

Страница 72: ...ng data can be input from a bar code reader into character string input fields The bar code reader type connection method communications settings and op eration are all the same as they are with stand...

Страница 73: ...itch setting screen Press Comm A Bar Code and then select ON or None The setting option changes each time that the touch switch is pressed When connecting a bar code reader to serial port A select ON...

Страница 74: ...he touch switch next screen or touch switch previous screen and then make the set ting To confirm the settings and quit the memory switch setting screen press the Quit touch switch The settings made l...

Страница 75: ...lave The area size is set in words 0 to 32 words 32 This section only explains how to make these settings For more details refer to 6 1 Overview of Remote I O Communications Note Set all of the nodes...

Страница 76: ...isplayed when the desired screen is selected The setting option changes each time the touch switch is pressed Press Quit when the CompoBus D switch set tings have been completed The final settings wil...

Страница 77: ...ing Name in Support Tool Screen Data Type The PC model set for the screen data Always Memory Link PLC Vendor in PT Type PT Control Area Shows the words in the host PT memory words allocated to the PT...

Страница 78: ...output area words allocated in PT memory IN Area Shows the DeviceNet input area words allocated in PT memory Local Node No Shows the PT s node number as a DeviceNet Slave Use the following operation i...

Страница 79: ...munications with the PT Use the following operation in the system menu to check communications be tween the PT and the DeviceNet Interface Unit Press Maintenance Mode Press I O Check Press I F Check P...

Страница 80: ...the correct data will not be displayed under Received Data or a communications error screen will be displayed Check the PT s settings if a communications error oc curs After checking the results of th...

Страница 81: ...g the System Program Version 68 The PT model system program name system program version and creation date will be dis played After checking the system program information press Quit to return to the e...

Страница 82: ...DeviceNet Interface Unit 70 6 2 Settings with the NT series Support Tool 72 6 2 1 Setting the PT Model and PC Model 72 6 2 2 Allocating Required Areas and Elements in PT Memory 72 6 2 3 Allocation Exa...

Страница 83: ...settings that allocate PT data the PT status control notify areas win dow control area or other elements to PT memory Allocated data Allocation method PT status control area PT status notify area and...

Страница 84: ...are mirrored in the part of the host s input area that is allocated to the DeviceNet Interface Unit 4 The changes in PT status or memory tables can be read from the contents of the host s input area C...

Страница 85: ...located in the host s area called PT memory when using the Memory Link When using the DeviceNet Interface Unit to communicate with the host Master it is necessary to plan the allocation of the input a...

Страница 86: ...Checking the PT Settings for details Allocate elements such as memory tables lamps or touch switches in PT memory when displaying the contents of host Master words on the PT screen or notifying the h...

Страница 87: ...Bit PM0000 to PM0004 PM0005 PM0006 PM0007 PM0008 to PM0031 PM0032 to PM0034 PM0035 PM0036 PM0037 PM0038 to PM0063 PM0064 to 6 3 Allocating PT Memory to the Host Master In order to use remote I O comm...

Страница 88: ...he PT is used as a DeviceNet Slave PM0000 to PM9999 PM0032 Input area size Sets the size of the PT s input area when the PT is used as a DeviceNet Slave The area size is set in words 0 to 32 words 32...

Страница 89: ...es From Slaves CVM1 CV series PCs CS1 series PCs C200HS PCs IR 50 IR 99 IR 350 IR 399 Output area Input area IR 50 Node 0 IR 51 Node 1 IR 98 Node 48 IR 99 Node 49 IR 350 Node 0 IR 351 Node 1 IR 398 No...

Страница 90: ...t block 1 Address Address Address Address Address Address Address Address To Slaves From Slaves Addresses can be assigned in any order Output area Input area Slaves and blocks can be allocated in any...

Страница 91: ...C200HX HG HE CS1 series PCs Input CIO 0350 to CIO 0399 Output CIO 0050 to CIO 0099 C200HX HG HE Input IR 350 to IR 399 Output IR 50 to IR 99 CS1 series PCs CIO 0000 to 0235 0300 to 0511 HR HR000 to HR...

Страница 92: ...Master Make the required settings in the CompoBus D memory switch screen of the PT connected to the CompoBus D Interface Unit and reset the PT Always set the input area size and output area size firs...

Страница 93: ...viceNet CompoBus D Operation Manual W267 for details on allocation with more than one Master 1 2 3 1 Turn ON the Master PC after making any required Master Unit hardware settings Refer to the DeviceNe...

Страница 94: ...r Windows version 3 2 or higher for opera tions such as creating screens displayed on the PT registering screen elements and allocating PT memory The procedures for creating screens are the same as th...

Страница 95: ...13 12 11 10 9 8 7 6 5 4 3 2 1 0 Bit Numeral character string memory table number 4 digit BCD or hexadecimal value PT status notify bits m 1 Screen number 4 digit BCD m Some data is transmitted in bot...

Страница 96: ...erface Unit 84 7 1 2 Data Flow of Explicit Messages 84 7 2 Using Message Communications 85 7 2 1 EXPLICIT MESSAGE SEND FINS Command 28 01 85 7 2 2 Using the CMND Instruction in CVM1 and CV series PCs...

Страница 97: ...read or write PT memory Explicit messages Response Command PT Elements Allocation PT memory within the PT All areas can be read written DeviceNet Interface Unit Elements on the PT screen can be direct...

Страница 98: ...mmand code 28 01 that sends explicit messages as well as the CMND and IOWR instructions Refer to 7 3 Explicit Messages for details on the contents of explicit messages 7 2 1 EXPLICIT MESSAGE SEND FINS...

Страница 99: ...vice data command response The data defined for the services codes No of bytes received response The number of bytes received from the des tination node address local node Destination node address res...

Страница 100: ...e DeviceNet Master Unit must be registered in the routing table local network table of the CVM1 or CV series PC to execute the CMND 194 instruction from the PC The local network table of the routing t...

Страница 101: ...other parameters Some control data parameters depend on the des tination Word Bits 00 to 07 Bits 08 to 15 C Number of command bytes to send 0 to 1990 i e 0000 to 07C6 Hex C 1 Number of response bytes...

Страница 102: ...instruction for a port unless the corresponding Enabled Flag is ON Port 0 to 7 Execution Error Flags A50208 to A50215 Execution Error Flags A50208 to A50215 turn OFF following normal completion of a c...

Страница 103: ...he following table at the completion of execution of CMND 194 The completion code will be 00 or 0000 during execution of the instruction Words Functions Port 0 to 7 Completion Codes A503 to A510 A503...

Страница 104: ...ecution CPU Unit 1 For commands addressed to Master Unit 2 For commands addressed to CPU Unit Response Response Command S S 1 S 2 S 3 S 4 L Interpretation1 Interpretation2 Description IOWR transfers n...

Страница 105: ...ime in S 2 to 0014 Hex 2 seconds or higher If a shorter time is set communications may still be busy when the next command is sent after a timeout occurs 2 The maximum number of bytes that can be tran...

Страница 106: ...essage communications limited to ac cessing word units Refer to the PC s manuals for more details Word Bits 00 to 07 Bits 08 to 15 S Data area specifier Leftmost 2 digits of address S 1 Rightmost 2 di...

Страница 107: ...d to CPU Unit Response Response Command S S 1 S 2 S 3 S 4 L Interpretation1 Interpretation2 Description IOWR transfers n words of data beginning at S beginning with command code 28 01 Hex through the...

Страница 108: ...m number of bytes that can be transferred shown above is the maximum number of bytes allowed with IOWR in C200HX HG HE PCs The actual number of bytes that can be sent or received depends upon the ex p...

Страница 109: ...be careful of its location in the program Communications Flags The following table shows the flags that are normally used when executing IOWR Flag Address Functions Equals Flag C200HX HG HE SR 25506...

Страница 110: ...esponse is returned in the same cycle as IOWR execution the Message Communications Enabled Flag will remain ON If the response is not received until the next cycle the Flag will turn OFF during periph...

Страница 111: ...sponse WRONG Can Improperly Read Response Execution condition Message Communications Enabled Flag B IOWR A B A 25506 DIFU 13 C A SET D C RSET D D Message Communications Enabled Flag CORRECT Properly R...

Страница 112: ...the high byte first and the low byte second in the words 008A Hex 32 Hex B2 Hex 0001 Hex 99 PT Memory Read L H Reads data from PT memory The read data is returned with the low byte first and the high...

Страница 113: ...6 01 02 13 14 25 26 7 3 3 PT Memory Read L H Reads the specified number of bytes of PT memory data beginning at the speci fied word address The read data is returned with the low byte first and the hi...

Страница 114: ...ation node address Service code 8A 00 Instance ID 01 00 Address L Address H Data H Write data Data L Response Block 01 28 Source node address Service code No of bytes received Response code Command co...

Страница 115: ...ata Destination node address Address L Address H Data L Data H Response Block 01 28 Source node address Service code No of bytes received Response code Command code 00 00 B5 00 02 Address L and Addres...

Страница 116: ...and data beginning at DM 1000 and the response data beginning at DM 2000 07D0 Hex IOWR C S D C DM0000 3FFE Hex Response required destination node number 3F Hex DeviceNet unit with node number 63 desti...

Страница 117: ...number of com mand data bytes to 9 bytes Writes 2801 to DM 1004 Sets command code to 28 01 Hex Writes 0133 to DM 1005 Sets Slave node num ber to 01 Hex and service code to 33 Hex Writes 008A to DM 10...

Страница 118: ...ft If message communications are enabled transfers the 10 words of command data beginning at DM 1000 to Master Unit 0 If the IOWR instruction s write transfer operation hasn t been completed the conte...

Страница 119: ...Interface Unit Refer to the Device Net CompoBus D Operation Manual W267 and the PT s User s Manual for more details 8 1 Error Screens Specific to the DeviceNet Interface Unit 108 8 2 Troubleshooting w...

Страница 120: ...heck the network power supply Network power supply error occurs The communications cable is disconnected or broken Check the network cable CompoBus D I F Unit Communications Error Bus Off error occurs...

Страница 121: ...error Minor error such as incorrect switch settings Not lit No power being supplied Power is not being supplied to Slave Units Waiting for initialization to start Unit is being reset NS Network statu...

Страница 122: ...witch settings Incorrect switch settings such as the DIP switch Check the DeviceNet memory switch settings and restart the PT Lit green Lit red Node number duplication A node number is duplicated with...

Страница 123: ...and 500 kbps Communications data Predefined Master Slave connection set Group 2 only server Dynamic connection support UCMM No Explicit message fragmentation support Yes Object Mounting Identity Obje...

Страница 124: ...pe Explicit Message 1 Production trigger Cyclic Transport type Server Transport class 3 Item ID content Get read Set write Value Object instance 1 Attribute 1 State Yes No 2 Instance type Yes No 00 he...

Страница 125: ...14 Produced connection path Yes No 00_00_00_00_00_00 15 Consumed connection path length Yes No 00 16 Consumed connection path Yes No 00_00_00_00_00_00 17 Production inhibit time Yes No 00 Item Device...

Страница 126: ...tribute_Single No 10 Set_Attribute_Single No Note The following table shows the settings for the input area size number of bytes The actual setting format is 2 bytes with the leftmost byte and rightmo...

Страница 127: ...Status Yes No Item DeviceNet service Parameter option Object instance Service 01 Get_Attribute_All No Window Control Object 0x8D Object class Attribute Not supported Service Not supported Item ID cont...

Страница 128: ...he DeviceNet Interface Unit Only the differences due to the system program version are de scribed here Refer to 1 5 Functions of the DeviceNet Interface Unit for details on functional differences due...

Страница 129: ...only Multiple rows can be displayed by combining fixed character strings Multiple rows of guide characters can be set Up to 256 characters can be set ON OFF switching guide characters labels Not allow...

Страница 130: ...eviceNet CompoBus D Interface Unit can be used with any PT version by installing the Unit s sys tem program but the system program s functions are equivalent to the functions of V1 versions system ver...

Страница 131: ...wa Electric Wire Cable are identical to the OMRON cable specifications 2 The cables made by Allen Bradley are stiffer than those made by OMRON and Showa Electric Wire Cable Be sure to perform wiring c...

Страница 132: ...ore power supplies Two connectors are attached and a terminating resistor is included OMRON 1485T P2T5 T5 Power Supply Tap see note Required when connecting two or more power supplies A ground termina...

Страница 133: ...rocessing 107 explicit Message Communications 2 3 5 10 99 105 EXPLICIT MESSAGE SEND command 85 F features 2 FINS command EXPLICIT MESSAGE SEND 85 fixed allocation 7 8 with remote I O communications 76...

Страница 134: ...procedure 16 PT Status Object 0x8C 115 R remote I O Communications 2 3 4 remote I O communications 69 82 overview 70 starting during operation 20 Support Tool settings 72 using fixed I O allocations 1...

Страница 135: ...catalog number on the front cover of the manual Cat No V066 E1 1 Revision code The following table outlines the changes made to the manual during each revision Page numbers refer to the previous versi...

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