© 2016 imc Meßsysteme GmbH
imc CANSAS - Getting Started, Doc. Rev. 2.0 R1 - 2016-05-24
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Signal connection
3.3 Signal connection
General Note
Channels whose signal is to be measured must always be connected to a sensor or at least shorted at
the input. Open inputs can cause the amplifier to be overmodulated, which can lead to interference
or measurement uncertainty on the other channels. In such cases, the values of the technical
specifications may not be reached.
3.3.1 Standard modules with DSUB-15
The illustration below shows the view of the imc CANSAS module from the inputs' side:
Note
Don't loosen screws crossed out in red!
These secure the device housing.
Use outer nuts
to attach imc plugs
Use inner nuts to attach your
own DSUB-plug
The measurement inputs are routed to the DSUB-15 sockets CON1 and CON2. The inputs can be
connected either via the various connectors which imc provides and which are each customized for a
different signal type, or via standard DSUB-15 (male) connectors.
The specially designed connectors from imc, included in the product package, allow very convenient and
easy operation. The connector housing contains screw terminals made for attaching the measurement
lines.
The Standard connector is a 1:1 DSUB-15 to screw terminal adapter. It can be used for all modules which
come with the corresponding pin configuration. Apart from specific labeling, those connectors are
electrically identical.
The Special connector do not offer direct adaption from the DSUB pins to the screw terminals, but
instead come with extra functions: For current measurement (up to 50 mA) with voltage channels the
Shunt connector (ACC/DSUB(M)-I2 and I4) have a built-in 50 Ω shunt. The scaling factor 0.02 A/V must be
set in order to display the current value.
