Manual

5
6.3 Software interface
1 3 4 5 6 72
Component Description
1 Data window
2 Data filter Filter data by attributes.
3 Device configuration and man-
agement interface
Configure and manage CAN network connec-
tions.
4 Data transmission interface Send data to CAN networks.
5 Data storage controls Save data to file.
6 Data display controls
■
Button Clear: Clear displayed data and clear
buffer.
■
Button Pause: Pause data scrolling.
7 Error counter Error counter displays total count of transmitting
and receiving errors.
7 Making connections
7.1 Connecting to the CAN network
The CAN network adopts a linear topology. After connecting the signal lines to the CAN net-
work, terminate the two farthest terminals of the bus with resistors.
7.1.1 Connecting signal lines
Connect the signal lines to the CAN network and the terminal block to establish a communic-
ation channel.
Important:
– For branch connections, keep the branch lengths below 3 m.
N1 N2 Nn N = Node
CAN_H
CAN_L
Preconditions:
a
The CAN converter is disconnected from the computer.
1. Connect the signal lines CAN_H1 and CAN_L1 (or CAN_H2 and CAN_L2) as shown in
the diagram.
7.1.2 Terminating terminals
Terminate the two farthest terminals of the CAN network with 120 Ω resistors to improve
communication reliability. You can use the two built-in 120 Ω resistance DIP switches RES1
and RES2 to terminate or connect your own resistors.
Notes:
– You do not need to terminate the two farthest terminals with 120 Ω resistors if the
number of nodes is greater than 2.
USBCAN-II
CAN_H
CAN_L
FG
CAN_H
CAN_L
FG
(optional)
User must connect an
optional external terminal
resistor
Other CAN devices
1. (If you use your own resistors) Connect the resistors as shown in the diagram.
2. (If you use the DIP switches) Set the DIP switches RES1 and RES2 to the position ON.
7.2 Connecting to computer
Connect the product to a computer via USB to analyze CAN network data. The USB
connection serves as a data connection and power supply (5 V/DC, min. 0.5 A).
1. (If needed) connect a suitable external power supply to the input power DC-IN (8 - 28 V/
DC).
2. Connect the USB cable to the USB port USB and the computer.
à The indicator lights PWR and WORK light up.
8 Receiving CAN data
8.1 Configuring the interface
Before you can receive and analyze CAN network data, you must configure a communica-
tion interface and establish a communication channel.
Fig. C1
Fig. C2
1
2
3 4
5
Preconditions:
a
The CAN analyzer is connected to the CAN network.
a
The CAN analyzer is connected to the computer.
1. Open the software.
2. Click the button Device Manager.
3. Select the COM port through which the analyzer communicates with the computer. See
[1].
4. Click the button Open Device to configure a new device. See [2].
5. Set the Baud rate for each channel. The set Baud rate must match the Baud rate of your
CAN network. See [3].
6. (If custom Baud rate) Click the button Customize to open the custom Baud rate window.
Set a custom Baud rate and click the button Confirm to save.
7. Click the button Open Channel to open the CAN communication channel(s). See [4].
à CAN data will populate in the data window. See [5].
8.2 Controlling the data display
With the display controls you can control how received data is shown.
Fig. D1
Pause scrolling
1. Click the button Pause to stop the window from scrolling as CAN data is received.
2. Click the button Pause to enable scrolling of received CAN data.
Clear records
1. Click the button Clear to clear CAN data from the data window and to clear the buffer.
8.3 Filtering CAN records
Use the data filters to filter CAN data by attributes.
Fig. F1
1 2
1. Enter filter criteria into the text boxes. See [1].
2. Select filter criteria from the drop-down lists. See [2].
à The data window shows data that matches the specified filter criteria.