Button Operations - Time Electronics 7000 User Manual

Time Electronics
7000 RTD Calibrator
2.2

Button Operations

The 7000 is powered on by a switch on the
side of the unit.
The instrument has dual function buttons
that allow the user to switch between
operations and parameter setups.
Normal operating mode is the source and
measure usage of the unit.
Parameter mode is the setup mode.
Enter/Exit Parameter Mode
The Esc key enables the user to move from Normal operating mode to the Parameter set-up
mode. The Parameter Set-up Mode is used to change stored operating parameters.
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Engineering Units and Digit Select
The engineering units key enables the user to select the units of measurement or generation.
In parameter mode this key is used to select the digit of the parameter value that is to be
changed. This function operates in a wraparound fashion so that the cursor will return to the
first digit if continuously operated.
RTD Sensor Type and Increment Digit
The sensor key allows the user to select the required Alpha and RTD element.
8 programmable elements and three factory set Alpha co-efficient values are included.
In Parameter Mode this button is used to increment the digit selected by the
"Engineering Units" key.
Max/Min
In Measure Mode this key initialises the Max/Min function setting the starting values to the
current measured value. Press Max/Min again, RTD or CFKΩ, the 7000 unit will disengage
the Max/Min function.
Ramp
In Source Mode this key starts and stops the ramp function.
In Parameter Mode this key is used to accept and store the programmed value.
Increment and Decrement
In Source Mode these keys are used to increment and decrement the stepped output from
0% to 100% in five steps.
In Parameter Mode these keys allow the user to select the parameter to change
Sensor element value
0% and 100% Source Output values
Ramp rate and Ramp Dwell period
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User Manual