90 Operation
imc CANSAS Users Manual - Doc. Version 1.9 - 05.12.2014© 2014 imc Meßsysteme GmbH
1. Use Single integration to find the modules one at a time.
a. Give each of them the same Baud rate, Master – and Slave-ID.
b. If you don't know what Baud rate the modules are set to, use the Reset plug to set them back to
the factory setting (125kBit). To do this, attach the Reset plug to the module and then briefly
disconnect the module from its power supply.
c. If necessary, a firmware update is performed.
2. Once all the modules are using the same Baud rate, Master- and Slave-ID, they can all be connected to
a common CAN-Bus.
a. The bus will only work without errors if all the modules are using the same Baud rate.
b. For working with one CAN-module, it doesn't matter which Master or Slave-ID it's using. However
it's absolutely necessary for all modules to use the same IDs if they are integrated by means of
Integration of multiple modules. We recommend setting the Master to ID= 2 and the Slave to ID=3,
which are the default settings.
c. Make sure that the ends are terminated with 120 terminators.
3. Having followed these instructions, it will be possible to take measurement with multiple modules.
Offline integration: This is the only option if no imc CANSAS-module is currently available to connect to
the system; this is mainly for demo purposes.
If you wish to use this option to make all settings for a genuine imc CANSAS-module manually, rather
than automatically as above using Yes, then it is crucial that the module's serial number and type are
entered exactly, AND that the module's Baud rate be the same as the default Baud rate.
The ensuing sequence of dialogs presented by the Assistant depends on the choice between online and
offline; the description below illustrates the on-line case. In the first instance, the module's CAN-interface
settings are made.
Default, single: The module's Baud rate and ID numbers for communication with the PC are assumed to
take the default values. This is the case when a module is fresh from manufacture, in other words, if it
has never been configured.
If a module has already been configured, its original, default state can be restored at any time by
inserting the special Reset-plug at either of the module's CAN IN or CAN OUT terminals. The power
supply must be off while the plug is inserted. Once the power is re-connected, the imc CANSAS-module
works with its default settings as long as the Reset-plug is in place. To permanently reinstate the default
settings, the module must be configured with them.
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