Dynisco ATC770, Installation And Operation Manual

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4
2. W
IRING
• Connect the wires from transducer cable as shown in the terminal diagram.
• Connect final control device.
• Connect alarm(s) if applicable. Note that alarm defaults are High, Reverse Acting for alarms 2 &
3 - alarm 1 is low inhibited.
• Connect power to the appropriate terminals as shown.
3. S
CALING
• Apply power to the instrument; Upper display will give a reading near zero.
• Lower display will read the manual output %.
• Press FUNC key until the Upper display reads NONE and lower display reads GROUP.
• If your transducer is not a 10,000-psi model, select Group 3 using the Up arrow, enter with
function key.
• Lower display reads PI.FSV (Full Scale Value), and the upper display reads 10,000. NOTE: If
your transducer is a 10,000-psi model skip next two steps. Scroll to GROUP and select 2.
• Using the Down arrow key set the appropriate Full Scale Value for your transducer.
• Enter using the FUNC key to scroll until GROUP legend appears again.
• Using Up arrow key, select GROUP 2. Enter with FUNC key.
• Follow instructions for Calibration and Operation in Step 4 of Quick Start
4. C
ALIBRATION AND
O
PERATION
• Lower display reads ZERO.C and upper display reads OFF. Be sure transducer is at operation
temperature and that no pressure is applied.
• Change upper display to ON by using the Up arrow key. Enter with the FUNC key. After a few
seconds, the lower display will show SPAN.C and upper display will show OFF.
• Change upper display to ON using Up arrow key. Enter with the FUNC key. In a few seconds
lower display shows SMART and upper display shows OFF. Calibration is complete.
• Using the FUNC key, scroll to the GROUP display. Enter 1 with the Up arrow, and enter with
the FUNC key. Instrument shows 0 on upper display and SP on lower display.
• Set Process Setpoint. Press Function twice.
• Set Alarm 1,2,3 thresholds (if applicable).
• Press FUNC twice. Lower display will read GROUP, and upper display will read none.
• Press FUNC key. Upper display will read 0 +/- 10 process pressure, lower display will read 0.
This is control output %.
• Be sure process is at operating temperature.
• Utilizing up and down keys, manipulate the output % until the upper display is reading at
approximately the setpoint.
• Press FUNC key until lower display reads GROUP. Select group 2.
• Press function key three times. Lower display reads SMART and upper display reads OFF.
• Using up arrow key, turn SMART function to on. Enter with FUNC key.
• SMART LED will flash and a countdown will begin as the controller arrives at initial P&I(D)
parameters.