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5.4 Creating Condition Settings Files

Click the

[Unit1]

[Unit4]

tabs above

the

[MR8904 Analog Assign List]

and

select the position of the unit for which

the condition settings file is being cre-

ated.

(An asterisk after the unit number indicates a posi-
tion at which no unit is installed.)

Set the CAN communications condi-

tions for each port.

(Selecting the checkbox for a setting turns it on or
enables it.)

Example screen

Device



insertion position

Unit 1

CAN port 1

• High speed

• Terminator on

• ACK response enabled

• Baud rate: 500 kbps

CAN port 2

• Low speed

• Terminator off

• ACK response disabled

• Baud rate automatic detection

Setting Contents (



Default setting)

Interface

Selects the type of the CAN bus to which the unit will be connected. The following CAN

bus standards are supported:

High Speed* : ISO 11898-2

Low Speed

: ISO 11898-3

Single-wire

: SAE J2411

Terminator

When using the high-speed interface, the unit’s internal 120



termination resistor can be

connected to the bus as necessary.

On : Connects the 120



resistor between CAN-H and CAN-L.

OFF*: Does not connect the termination resistor.

ACK

Sets whether to enable sending ACK bits, error frames, and messages from the unit.

Enable : Enables sending of ACK bits, error frames, and messages.

Disable*: Disables sending of ACK bits, error frames, and messages.

Baud

Sets the CAN communications baud rate.

AUTO (automatic detection)*: Detects the baud rate automatically based on messages

being sent on the CAN bus. This setting can be used only

when ACK is disabled.

Manual setting

: Select a baud rate from 10k, 20k, 33.3k, 50k, 62.5k, 83.3k, 100k, 125k,

250k, 500k, 800k, and 1 Mbps.

Содержание MR8904

Страница 1: ...MR8904 Instruction Manual CAN UNIT EN Sept 2018 Revised edition 3 MR8904A981 03 18 09H...

Страница 2: ......

Страница 3: ...3 Creating a CAN Definition Data File 26 How to count the bit position 28 Calculating the start bit data start position 28 Byte order 29 To read a saved CAN definition data file 29 To load an existing...

Страница 4: ...Checking and Editing Settings 51 6 2 Checking Analog Channel Allocation 52 6 3 Checking Logic Channel Allocation 54 6 4 Setting the Transmission Timing 55 Chapter 7 Specifications 57 7 1 Model MR8904...

Страница 5: ...tik in Germany When you receive the MR8904 inspect it carefully to ensure that no damage occurred during shipping In particular check the accessories and connectors If damage is evident or if it fails...

Страница 6: ...ructions and precautions in the manual before use We disclaim any responsibility for accidents or injuries not resulting directly from MR8904 defects Safety Symbols In the manual the symbol indicates...

Страница 7: ...ck references for operation and remedies for troubleshooting Mouse action terminology Click Press and quickly release the left button of the mouse Right click Press and quickly release the right butto...

Страница 8: ...xplosive gas es Exposed to water oil other chemicals or solvents Exposed to high hu midity or condensa tion Exposed to high levels of particulate dust When Installing and Removing the MR8904 into and...

Страница 9: ...s the Memory HiCorder ground and measurement cable ground lines are not isolated Wire the system so that no potential difference occurs between the ground lines Failure to do so may damage the Memory...

Страница 10: ...Usage Notes 6...

Страница 11: ...ent net works with different CAN bus types or baud rates A single MR8904 provides support for three types of CAN bus high speed CAN low speed CAN and single wire CAN The MR8904 monitors the CAN bus an...

Страница 12: ...gnals that cannot be acquired on a CAN bus The MR8904 can send ACK responses to CAN messages as well as CAN messages them selves allowing it to be used in simple simulations The MR8904 can use Vector...

Страница 13: ...e verify that the wiring and CAN communications condi tions are correct CAN input port 1 left and 2 right CAN signal input terminals CAN1 and CAN2 are independent and can be connected to different net...

Страница 14: ...10...

Страница 15: ...head screwdriver No 1 Connections Chapter 3 3 1 Installing and Removing the MR8904 into and from a Memory HiCorder MR8904 Mounting screws 1 Turn the Memory HiCorder POWER switch off and unplug the AC...

Страница 16: ...to the Measurement Target Example Connecting the unit with the 9713 01 Wire color Pin no Receive signal name 1 NC Green 2 CAN_L Black 3 CAN_GND 4 NC 5 NC 6 NC Red 7 CAN_H 8 NC White 9 CAN_V Shield GN...

Страница 17: ...k Battery Green Black Red Battery White Black Red White Battery High Speed CAN Low Speed CAN Single Wire CAN CAN bus CAN bus CAN bus Memory HiCorder Model MR8904 Model MR8904 Model MR8904 Model 9713 0...

Страница 18: ...ection 3 3 Connecting the Unit to a PC Installing the USB driver Do not plug in or unplug the USB cable while the Memory HiCorder is operating Use a user account with administrator privileges to perfo...

Страница 19: ...lick Next When you want to change the installation destination Click Browse to change the folder to install into Normally there is no need to change 4 Click Next to start installing The installation o...

Страница 20: ...8 When a dialog box requesting your per mission to continue the program appears click Yes Sometimes another dialog box requesting your permission to install the software may appear When it does check...

Страница 21: ...ction do not disconnect the USB cable during communication The Memory HiCorder and PC should be connected to the same earth ground If grounded separately potential difference between the ground points...

Страница 22: ...ically Recommended and click Next Please wait while the driver is being in stalled 3 Click Continue Anyway A message saying that the software has not passed Windows Logo testing will ap pear a few tim...

Страница 23: ...Finish to exit This completes the driver installation Click Uninstalling the USB Driver 1 From the Windows Start menu select the Control Panel and double click Add or Remove Programs 2 From the list...

Страница 24: ...3 3 Connecting the Unit to a PC 20...

Страница 25: ...k the MR8904 CAN Editor icon to view MR8904 CAN Editor specifications and revision history 4 Click the Install icon at the top right of the page to open the File Download dialog 5 Click Open to displa...

Страница 26: ...the Add or Remove Programs icon and open Add or Remove Pro grams 3 Select HIOKI MR8904 CAN Editor on the Add or Remove Programs list and click the Remove button The above process will launch the unin...

Страница 27: ...and edit CAN definition data files and condition setting files while not connected to the Memory HiCorder you will not be able to send or receive conditions 5 1 Launching and Exiting the Software Laun...

Страница 28: ...n the menu bar or click on the top right of the displayed window To connect a Memory HiCorder after launching the MR8904 CAN Editor Select Comm Search MR8875 on the menu bar to update information abou...

Страница 29: ...Opens the CAN Definition Data File Settings window Create new condition settings file Opens the Condition Settings window CAN Definition Data File Settings window Creates and edits the CAN definition...

Страница 30: ...notation based on the number 16 The 10 digits represent the numbers 0 through 9 while the letters A B C D E and F are used for the decimal numbers 10 11 12 14 14 and 15 Setting Contents Default settin...

Страница 31: ...e value are reversed and 1 is added Example For an 8 bit signal 10 would be expressed by revers ing 00001010 10 and adding 1 yielding 11110110 Signal Name Enter the signal name for the corresponding d...

Страница 32: ...oward the MSB 3 Since the maximum data frame size is 8 bytes 64 bits the last MSB position for the 8th byte of data from the start will be 63 yielding bit position values of 0 to 63 as shown below 7 b...

Страница 33: ...a format 7 bit 6 bit 5 it 4 bit 3 bit 2 bit 1 bit 0 bit byte 0 7 6 5 4 3 2 1 0 byte 1 15 14 13 12 11 10 9 8 byte 2 23 22 21 20 19 18 17 16 byte 3 31 30 29 28 27 26 25 24 Intel format 7 bit 6 bit 5 it...

Страница 34: ...ile To set a password when opening a saved CAN definition data file You can set a password with Edit Modify Password on the CAN Definition Data File Set ting window Passwords can be up to 20 alphanume...

Страница 35: ...use to the last line Click the first and then the last line in the target range while pressing the Shift key on the keyboard Click the target lines while pressing the Ctrl key on the keyboard 2 Click...

Страница 36: ...ck the item s line The CAN Define Data dialog box for the current definition content will be displayed 3 Edit the settings as necessary and click OK The list display will be updated with the edited co...

Страница 37: ...ne in the target range while pressing the Shift key on the keyboard Click the target lines while pressing the Ctrl key on the keyboard 2 Click A dialog box will be displayed 3 Click Yes The selected i...

Страница 38: ...s conditions p 38 4 Allocating channels Creating MR8904 analog logic assign lists p 40 5 Configuring transmission creating an MR8904 Send list p 42 6 Saving a list saving a condition settings file p 4...

Страница 39: ...ng an MR8904 register list p 36 To edit the CAN Definition Data List If a password has been assigned to the CAN definition data a password entry dialog box will be displayed Enter the set password to...

Страница 40: ...trl key on the keyboard Clicking Edit again saves the edited definition list When the confirmation dialog box is dis played click OK to save the data and provide a filename CANdb files DBC can be read...

Страница 41: ...and then click this button To delete multiple items click the button after selecting the target items using any of the fol lowing methods Click the first line in the target range and drag the mouse to...

Страница 42: ...nit but by other nodes as well Verify carefully and set so that there are two 120 resistors for the entire CAN bus If the baud rate differs from the baud rate of the CAN network to which the unit is c...

Страница 43: ...s to which the unit will be connected The following CAN bus standards are supported High Speed ISO 11898 2 Low Speed ISO 11898 3 Single wire SAE J2411 Terminator When using the high speed interface th...

Страница 44: ...orresponding to channels 1 to 15 can be allocated in the MR8904 Analog Assign List You can drag and drop each item to the desired channel number 1 to 15 shown in the Ch column Definitions of 17 to 32...

Страница 45: ...registered logic channel when a CAN mes sage with the registered definition s ID is received When an ID trigger is registered a red mark will be shown for the logic channel Deleting data from an assig...

Страница 46: ...nd Dup buttons to activate To edit the MR8904 Send List Insert Inserts a transmission setting into the selected item Edit Edits the settings for the selected item Del Dup Deletes or duplicates the sel...

Страница 47: ...nsmission of one program and the next is set with Interval Port1 Port2 Selects the CAN port with which to send the frame FrmType Data frame Sends a data frame Remote frame Sends a remote frame SendID...

Страница 48: ...a condition settings file To load a previously saved condition settings file Click on the toolbar on the Condition Settings window Following the instructions to open the file will cause the display t...

Страница 49: ...n settings MR8904 Register List MR8904 Analog Assign List MR8904 Logic Assign List and MR8904 Send List by clicking on the toolbar of the Condition Settings window You can preview the information that...

Страница 50: ...e to send the data for some rea son the message to the right will be displayed This message indicates that the unit was unable to con nect to the port attempting to send or receive the settings See An...

Страница 51: ...or other process completes Receiving condition settings 1 Click Receive The MR8904 settings information with which the Memory HiCorder is currently configured will begin to load The dialog box to the...

Страница 52: ...s it in a CAN Definition Data File Settings window Convert DBC File and Open Converts an existing CANdb file DBC file into a CAN definition data file and displays it in a CAN Definition Data File Sett...

Страница 53: ...o print the Condition Settings window s register list communications condition settings channel assign list and send list Exit Exits the MR8904 CAN Editor Edit Modify Password Sets the password requir...

Страница 54: ...ist communications condition settings channel assign list and communications list Print Setup Configures the printer used to print the Condition Settings window s register list communications conditio...

Страница 55: ...onfigured with the MR8904 CAN Editor Configuring Settings with the Memory HiCorder Chapter 6 6 1 Checking and Editing Settings Set the CAN communications conditions See Setting CAN communications cond...

Страница 56: ...l The following information will be displayed 6 2 Checking Analog Channel Allocation 1 2 3 Port Number of the port with which data will be received ID Message ID to receive Signal Name associated with...

Страница 57: ...ion manual Display Settings screen Scaling screen The display upper limit display lower limit scaling conversion ratio offset and unit dis play settings default to the values set with the MR8904 CAN E...

Страница 58: ...received ID Message ID to receive Signal Name associated with received messages Label Identifying label associated with received messages Bit Assign Indicates how many bits from the LSB of the receiv...

Страница 59: ...nel to which CAN definitions were allocated 3 Select the transmission timing with the Start Send Frame setting Continues on next page 6 4 Setting the Transmission Timing Setting Contents Default setti...

Страница 60: ...Press the Waveform Display CAN Send button A dialog box will be displayed 5 Enable or disable the unit The transmission enable setting is only valid while measurement is in progress 4 5 Setting Conte...

Страница 61: ...ls Use 1 analog channel 17 to 32 bit signals Use 2 analog channels Signals over 32 bits Not supported ID trigger When the set ID is received a high level pulse is output to the specified logic chan ne...

Страница 62: ...ting temperature and humidity Temperature 10 C to 55 C 14 to 131 F Humidity 80 RH or less no conden sation Storage temperature and humidity Temperature 20 C to 70 C 4 to 158 F Humidity 90 RH or less n...

Страница 63: ...ns for Onboard Vehicle Connectors Basic Specifications Operating temperature and humidity Temperature 5 C to 60 C 23 to 140 F Humidity 90 RH or less no condensa tion Storage temperature and humidity T...

Страница 64: ...ed 4 Data order Conversion from Motorola CANdb file to U L Motorola 5 Conversion from signed CANdb file to 2 signed IEEE float and double CANdb file are not supported 6 Conversion from signal name CAN...

Страница 65: ...t display Displays all CAN definition data settings 2 Register list display Displays the item number input port number signal name label unit data length and display upper and lower limit values 3 Uni...

Страница 66: ...7 4 MR8904 CAN Editor General Specifications 62...

Страница 67: ...ee 3 3 Connecting the Unit to a PC p 14 Has the USB driver been properly installed Install the USB driver properly See Installing the USB driver p 14 Is the Memory HiCorder turned on Turn on the Memor...

Страница 68: ...line as they can deform and discolor the case The device encounters an error the red LED lights up Is the CAN cable properly connected Connect the CAN cable properly See 3 2 Connecting the Unit to the...

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