
UM344-2 ON-LINE AND OFF-LINE OPERATION
August 1995
2. Press and hold, for a minimum of 5 seconds, the
FULLSCALE pushbutton, then release the button.
Note the following.
• The "V", "%", and "PB" annunciators shall be lit
and the "PV" annunciator shall be extinguished.
• The displayed number is the VALVE position in
percent (-1 to 110).
• Interpreting a VALVE Open/Close position
depends upon knowing if the FINAL
CONTROL ELEMENT is configured as
REVERSE or DIRECT acting. For DIRECT
acting, 0% indicates a fully closed valve and
100% indicates a fully opened valve. The
opposite is true for a REVERSE acting
controller.
3. Select new VALVE between -1.0% and 110%.
Note the following.
• Cycling (pressing and releasing in less than 1
second) the ZERO or FULLSCALE pushbutton
respectively decrements or increments the
VALVE in 0.01 % increments.
• Pressing and holding either pushbutton, for more
than 1 second, initiates a special acceleration
mode whereby the VALVE changes in greater
and greater increments until limiting occurs.
• The new value is changed in RAM only and not
yet stored permanently in memory. If the
Pushbutton Mode times-out before storage is
accomplished, the Controller will operate with
the new VALVE; however, the new value will
be lost after a power-down or Master Reset.
E. Store New VALVE to Memory (new Power-Up Valve
in Auto Manual Transfer Block)
1. Simultaneously press and release both pushbuttons to
store new VALVE.
After VALVE storage, the Controller exits the
Pushbutton Mode and returns to normal operation.
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