YOKOGAWA UT150, Руководство пользователя

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IM 05C01E12-41E 3
2. WHAT IS ON THE FRONT PANEL?
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UT152 UT155 UT150
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a. PV display (red) Indicates PV (measured value) and character information such as parameter codes and error codes.
b. SP display (green) Indicates SP (target setpoint) and parameter values.
c. Alarm 1 (AL1) lamp (red)
Lit when alarm 1 is activated.
d. Alarm 2 (AL2) lamp (red) Lit when alarm 2 is activated.
e. SP2 lamp (green) Lit when SP2 is being used for control operation.
f. Output (OUT) display lamps
UT150: (Left: orange; right: green)
UT152, UT155:
(Upper: orange; lower: green) Lit while control output is being output.
• The left (upper) lamp is lit in orange during control output of standard type.
• In heating/cooling control, the left (upper) lamp lights up in orange when the heating-side output
is active; while the right (lower) lamp lights up in green when the cooling-side output is active.
g. Data change keys
(Indicated as simply the and
keys hereafter.) • Changes SP and the parameter values.
• Pressing the key decreases the data value and pressing the key increases
it. Holding down the key will gradually increase the speed of the change.
h. SET/ENT key (data registering key)
(Indicated as simply the key
hereafter.) • Registers the data value changed using the data change keys.
• Switches between operating displays or parameter setting displays sequentially.
• Pressing the key for 3 seconds or longer in the operating display retrieves the
operating parameter setting display.
• Pressing the key for 3 seconds or longer in either an operating or setup parameter
setting display transfers back to operating display 1. (See Page 13.)
Name Function