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How to Simulate Sensors with Resistances > 250 kΩ with the VT System

Last updated: 2019-09-23
Question:

Can Vector support the simulation of a sensor with more than 250 kΩ resistance with a card for VT system (while VT2004A supports sensor simulation up to 250 kΩ)?

Answer:

A higher resistance can be achieved when two channels of a VT2004A card are connected in series. For example channel 3 and channel 4 can be connected in series by connecting pin b of channel 3 is connected to pin a of channel 4.

Notes:

The resulting resistance can be measured between channel 3 pin a and channel 4 pin b. Channel 3 and channel 4 resistance values need to be set separately in VT System Control. The resulting resistance is the sum of both values of channel 3 and 4 in this example. The combination of several channels can be encapsulated by adding specific Set‑/Get‑CAPL functions.

Channel 3 and 4 combined behave as a single channel and cannot be used used for other purpose in this example.

 
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2019-09-23
Views: 110