Groups and Transactions
32
Doc.Id. SCM-1200-121
Anybus Communicator CAN to CANopen
Doc.Rev. 1.00
9.3.2 Consume
A consume transaction listens to CAN frames
on the CAN network and collects data from a
frame with a matching CAN identifier. The
Communicator operates as any other device on
the CAN network that listens to all data that is
available on the network. Selecting ‘Consume’
gives access to the following parameters:
Right click on ‘Consume’ to add a CAN frame to the configuration. For the setup of CAN frames see
“Configuration of CAN Frames” on page 33.
9.3.3 Query/Response
In Query/Response mode the Communicator operates as a master and is-
sues queries to the CAN network. The Communicator will then expect a re-
sponse within the specified timeout. A Query/Response transaction
includes both query CAN frames and response CAN frames.
Selecting Query will give the same options as selecting Produce, except ‘Up-
date on RTR’, see:
Selecting Response will give the same options as selecting Consume, see
Please note that the Offline Timeout value indicates the maximum time that the Communicator will
wait for an answer before an error is issued.
Right click on either ‘Query’ or ‘Response’ to add a new CAN frame. For the setup of CAN frames see
“Configuration of CAN Frames” on page 33.
Parameter
Value
Comment
Offline Options
Clear Data
Select what will happen to the input data if the CAN subnetwork goes offline
Freeze Data
Offline Timeout
0 (default)
The maximum time before the transaction is considered to be lost. Use 0 to
disable the timeout. Valid Range: 0, 10 - 65535.
Reception Trigger Byte Disabled
When enabled, the Reception Trigger Byte is incremented each time a con-
sume transaction is received.
Enabled
Reception Trigger
Address
First available
address (default)
If the Transmission Complete Byte is enabled, enter the address here.
