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IQAN-MC3 addressing/terminating
6 Installation
Instruction book, IQAN-MC3
The maximum number of addresses is eight, denoted as addresses 0, 1, 2, 3, 4, 5, 6, 7
respectively. In order to assign any MC3 module a unique address, the ID-tag will have
to be connected to the positions ADDR-H and ADDR-L.
Connecting of Id-Tag.
Terminating
To eliminate interference in the communications through the CAN bus, the CAN bus
must be terminated. By default, the MC3 is terminated internally on all of its CAN
buses. When an IQANdesign application is loaded, it can set individual buses to be
non-terminated.
To give an IQAN-MC3 a unique address, you may use an addressing ID-tag, or an ID-
tag having a combined address and terminating function. The âTâ values of ID-tags are
ignored, i.e. an ID-tag 0T is equivalent to ID-tag 0.
If the module is located at the end of the CAN-bus, then leave the bus default
terminated in the MC3.
NOTICE
The CAN-bus should not be terminated at the MC3 using an external regular
terminating resistor, due to the fact that terminating is made from within the MC3
module by default.
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