AIO Provider User's Guide
Contents
1. Syntax AddController lt bstrCtrIName BSTR gt lt bstrProvName BSTR gt lt bstrPcName BSTR gt lt bstrOption BSTR gt bstrCtrIName in Controller name bstrProvName in Provider name Fixed to CaoProv CONTEC AIO bstrPcName in Provider execution machine name bstrOption in Option character string The machine name can be an empty string Following is a list of option string items Table 2 2 Option character string of CaoWorkspace AddController Option Meaning DeviceName lt Device name gt Device name of the board to be connected Default no value specified For the case of no value specified connection to the first detected available device will be established Note Specify the device supporting the AIO board ID ScanCount lt Number of retries gt Number of retries Range 0 to 32767 Default 4 times Number of retries performed when connection to the detected DH device fails for the case DeviceName option is set to no value specified ih Sampling interval Range 0 to 65535 Default 0 off Interval lt Sampling interval gt Specify the sampling interval ms to acquire OnMessage event when the digital input byte changes Mask lt Mask value gt Mask value Range 0 to 255 Default 255 no mask Reduce occurrence of unnecessary events by masking the input byte when the Interval option is enabled2. eege Ed eege darters 9 2 5 GAQ AlO API reference table cn fecediee ce ege edeg ENEE Ree ege gier 10 3 Sample Program WEE 11 ORIN Forum DENSO WAVE Inc AIO provider user s guide 4 1 Introduction This document is a user s guide of the AIO provider which is used to access CONTEC AIO board Refer to CONTEC API AIO WDM Help for PCI or API USBP W32 Help for USB for details NOTE The AIO device driver of the AIO board needs to be installed to use the AIO provider Install the driver from API PAC W32 for PCI board or from API USBP WDM for USB After installing it register the provider in the registry with reference to Table 2 1 ORIN Forum DENSO WAVE Ine AIO provider user s guide 5 2 Outline of Provider 2 1 Outline The AIO provider executes CONTEC API corresponding to CAO API at the time the CAO API is executed Refer to Table 2 5 for CAO API and corresponding CONTEC API Table 2 1 AIO provider File name CaoProvAIO dll ProgID CaoProv CONTEC AIO Registry registration regsvr32 CaoProvAIO dll Remove registry registration regsvr32 u CaoProvAIO dll The AIO board driver must be installed to register the AIO provider ORIN Forum DENSO WAVE Ine AIO provider user s guide 6 2 2 Methods and properties 2 2 1 CaoWorkspace AddController method The AIO provider establishes opens connection to the AIO board when the Controller object is created
3. of ORiN2 refer to the error code section in ORiN2 Programming Guide ORIN Forum DENSO WAVE Ince AIO provider user s guide 10 2 5 CAO AIlO API reference table The AIO provider executes API function that sets acquires a value via CaoVariable Table 2 5 Controller class variable class and corresponding AIO API CAO API Class method name Parameter variable name AIO API CaoWorkspace AddController DeviceName AioQueryDeviceName AioInit AioResetProcess AioResetDevice CaoWorkspaces Remove AioExit CaoVariable get_Value AioSingleAiEx DI AioInputDiBit DIB AioInputDiByte MAX AI AioGetAiMaxChannels MAX_AO AioGetAoMaxChannels ProcessId DeviceName CaoVariable put_Value AO AioSingleAoEx DO AioOutputDoBit DOB AioOutputDoByte Refer to CONTEC API AIO WDM Help for PCI or API USBP W32 Help for USB for details of AIO API ORIN Forum DENSO WAVE Inc AIO provider user s guide 11 3 Sample Program The following sample program shows the code to acquire AI CH1 voltage value with the variable AI1 List 3 1 SampleAi frm Private caoEng As CaoEngine Private caoAlOl As CaoController Private caoVar As CaoVariable Private Sub Form_Load Set caoEng New CaoEngine Set caoAlOl caoEng Workspaces 0 AddController SampleAi Cao
4. product manual for details 3 This is available only on the models equipped with analog output Refer to CONTEC product manual for details 4 This is available only on the models equipped with digital input Refer to CONTEC product manual for details 5 This is available only on the models equipped with digital output Refer to CONTEC product manual for details 6 A variable object can be created with a logical number within the range of 0 to 99 however the actual range for data acquisition setting depends on the number of CHs implemented etc of the mounted model Refer to CONTEC product manual for details ORIN Forum DENSO WAVE Ince AIO provider user s guide 9 Table 2 4 Controller class system variable list e Attribute Variable name Data type Explanation MAX_AI VT D Acquire the maximum number of analog input channels MAX_ AO VI D Acquire the maximum number of analog output channels ProcessId VI JW Acquire process ID DeviceName VT_BSTR Acquire device name of connected board 1 Refer to API AIO WDM Help for PCI or API USBP W32 Help for USB for details 2 This is available only on the models equipped with analog input Refer to CONTEC product manual for details 3 This is available only on the models equipped with analog output Refer to CONTEC product manual for details 2 4 Error code The AIO provider does not have unique error codes For common errors
5. 1 Refer to API AIO WDM Help for PCI or API USBP W32 Help for USB for details 2 This is enabled only on the models equipped with digital input Refer to CONTEC product manual for details ORIN Forum DENSO WAVE Ince AIO provider user s guide 7 2 2 2 CaoController OnMessage event Exchanges data with a client as an OnMessage event of CaoController class At this time received data is stored directly in Message Value property Event number Value Meaning 1 Digital input byte For the case the Interval option is set to other than off 0 this event occurs when the bit which is not masked by the Mask option changes at the time the digital input byte changes 1 Refer to API AIO WDM Help for PCI or API USBP W32 Help for USB for details 2 This is available only on the models equipped with digital input Refer to CONTEC product manual for details 2 2 3 CaoController AddVariable method This method creates a variable object used to access the AIO board Only the variables given in 2 3 1 can be used If a variable other than those is specified this method will return an error Syntax AddVariable lt bstrName BSTR gt lt bstrOption BSTR gt bstrName in Arbitrary name bstrOption in Option character string not used 2 2 4 CaoController get_VariableNames property Acquires the variable name list in 2 3 1 2 2 5 CaoVariable get_Value property A
6. AIO provider user s guide l AlO Provider CONTEC AIO Board Version 1 0 1 User s Guide July 17 2012 Remarks ORIN Forum DENSO WAVE Ince AIO provider user s guide 2 Revision history Version Date Content 1 0 0 0 2011 7 12 First edition 1 0 1 0 2012 5 29 Meta mode was added 1 0 1 2012 7 17 Version rule of the document was changed Hardware Model Version AIO 160802L LPE ADII6 4 FIT Connection to I O control module equipped with USB CPU CA10 USB required DAI16 4 FIT Connection to I O control module equipped with USB CPU CA10 USB required ADI12 16 PCI AIO121601E3 PE ORIN Forum DENSO WAVE Ince AIO provider user s guide 3 Contents 15 troduction EE 4 SECHER 5 SEU regeert aere aere Eeer 5 2 2 Methods and Properties 2 2 c eccdecscock vhs dadeees Genco aeae eaea aE Aea ea E E S aa a EEE eaan ai 6 2 2 1 CaoWorkspace AddController method AA 6 2 2 2 CaoController OnMessage event ceeeeseeceeeeseeceeeeeeeeeeeceneeeeseeaeeceeeseneceeneseeeeseenneenees 7 2 2 3 CaoController AddVariable method 7 2 2 4 CaoController get_VariableNames property eeeececeseeseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseaeeeeeeeaeees 7 2 2 5 CaoVariable get_Value proper 7 2 2 6 CaoVariable put_Value property Ae 7 e WEE EE 8 ele UE 8 2A LEMON EE e geed geed deeg Sev chia ege
7. Prov CONTEC AIO DeviceName Al0001 Set caoVar caoAlOl AddVariable Al1 End Sub Private Sub cmdGet_Click Dim sngRet As Single sngRet caoVar Value Text1 Text CStr sngRet End Sub The following sample program shows the code to receive event at the time the digital input byte changes while the sampling interval is set to one second List3 2 SampleEvent frm Private caoEng As CaoEngine Private WithEvents caoAlOl As CaoController Private Sub Form_Load Set caoEng New CaoEngine Set caoAlOl caoEng Workspaces 0 AddController SampleEvent CaoProv CONTEC AIO DeviceName Al0001 Interval 1000 End Sub Received event Private Sub ctrl_OnMessage ppCaoMess As CAOLib ICaoMessage Received digital input byte text2 Text ppCaoMess Value End Sub60 ORIN Forum DENSO WAVE Ine
8. cquires information corresponding to a variable For the implementation status and acquired data of each variable refer to 2 3 1 2 2 6 CaoVariable put_Value property Configures information corresponding to a variable For the implementation status and setting data of each variable refer to 2 3 1 ORIN Forum DENSO WAVE Ince AIO provider user s guide 8 2 3 Variable list 2 3 1 Controller class Table 2 3 Controller class user variable list Variable name Data type Explanation a Acquire a voltage value of analog input CH Specify the logical number after the variable name Example AIl Output a specified voltage value to analog output CH Specify the logical number after the variable name Example AO1 Acquire a bit value 0 or D of digital input bit Specify the logical number after the variable name Example DIL Output a bit value 0 or De to digital output bit Specify the logical number after the variable name Example DO1 Acquire a byte value 0 to 255 of digital input byte Specify the logical number after the variable name Example DIB1 Output a byte value 0 to 255 to digital output byte Specify the logical number after the variable name Example DOB1 1 Refer to API AIO WDM Help for PCI or API USBP W32 Help for USB for details 2 This is available only on the models equipped with analog input Refer to CONTEC
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