CAMAC - 3568
32-channel Calibration Relay |
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ABOUT 3568
The Model 3568 is a double-width CAMAC module containing 32 two-pole, double throw
relays for calibrating individual analog channels in data acquisition systems.
Analog calibration requirements for a data acquisition system generally fall into one of
the following categories:
- The initial calibration and subsequent field calibration of the analog modules are
sufficient to maintain the desired accuracy of the measurements.
- Calibration can be accomplished by applying precision voltage levels to several
channels of a multiplexed analog-to-digital subsystem. Often these channels are
set to +80% full scale, zero volts, and -80% full scale.
- Calibration of the data acquisition system must be performed on a channel-bychannel
basis. This may be required to meet customer certification specifications
or to achieve the desired accuracy. For systems that contain active elements
(amplifiers, filters, etc.) Ahead of the multiplexer, the calibration of these
elements can only be accomplished by manual calibration orper-channel
switching of a calibration source.
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