SC5 Signal Conversion Analog Inputs
21
The shield of the analog input BNCs (1) of the SC5 must never be connected with the shield of the cable when using
a shielded twisted-pair cable.
Differential mode connection
: The inputs of the SC5 can be used in pairs, allowing a differential connection
to the experiment. However, the total number of in
puts is then decreased by one for each pair of
differential
signals. The number of paired inputs is user selectable, but only nearby inputs should b
e paired, and only
if at least one of the
inputs is not assigned to a specific function by the software as default.
typical connection situation (AI1 and AI
2 shown) is depicted below. The cables can be twisted in order to reduce
magnetic pick
-up:
Note: Since each input is differential, differential-
mode noise between the cable shields has to be
avoided. The GND source for the shields at the experiment side must be the same for both shields.
Note: Shielded twisted pair cables should not be used with a differential mode connection.
Black screw terminal
To cable shield
To Next Page
Loading...
Need help?
General