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Universal Signal Conditioners

- No changes in hardware are required to change input sensor type.
- The USC has the following functional blocks:
- Two analogue inputs that can be programmed to measure ac/dc current or    voltage, resistance, potentiometer, strain gauge and temperature
- Two pulse (digital) inputs that can be programmed to measure frequency or    phase and also be used as control inputs to perform hold, reset and enable.
- One isolated proportional output that can be configured as an analogue output    or a pulse output.
- Two relay outputs.
- Excitation outputs.
- Digital (bus) outputs.
- Calibration & set point variables.
- Arithmetic function variables.

The configuration can set up and altered by:

- The plug-on Access Module AM702 which has a 2 line by 8 character display and 5 push buttons and is menu structured for the selection of input/output/alarm variables and selection of calibration information
- The plug on Computer Adaptor COA703 that interfaces to the users PC which is loaded with the USC configuration software. This Software offers a user-friendly interface for the configuration and setting of a USC.
- A Select switch and encoder are accessible on the top of the USC which allow the user to alter a number of calibration parameters: Output zero & span and relay set points.

The AM702 allows the user to perform basic changes to the configuration of the USC. These changes include:

- the measurement type or function,
- the analogue output type,
- ranging of the input and output,
- setting the relay action, trip points and delays
- setting of sample times and hold function

Once the AM702 or the COA703 has programmed the USC701, the AM702 can remain on the USC701 to display one measured variable as required.