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3-7
TI 05C01E02-01E 1st Edition : Oct. 31, 2001-00
PV display (red)
Indicates PV (measured value) and character
information such as parameter codes and error codes.
SP display (green)
Indicates SP (target setpoint) and parameter values.
Alarm 1 (AL1), Alarm 2 (AL2) lamps (red)
AL1: Lit when the alarm 1 is activated.
AL2: Lit when the alarm 2 is activated.
SP2 lamp (green)
Lit when SP2 is being used for control operation.
Output (OUT) display lamps
(Upper: orange; lower: green)
Lit while control output is being output.
Flashes according to the control output value during
time-proportional output or current output. (Flashes
slowly when current control output value is small;
flashes fast when it is large.)
• The upper lamp is lit in orange during control output
of standard type.
• In heating/cooling control, the upper lamp lights up in
orange when the heating-side output is active; while
the lower lamp lights up in green when the cooling-
side output is active.
Data change keys
SET / ENT key (data registering key)
• 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 more in the operating display
retrieves the operating parameter setting display. You can
transfer to the setup parameter setting display form the
operating parameter setting display.
• Pressing the key for 3 seconds or more in either an operating or
setup parameter setting display transfers back to operating
display.
• Change 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.
UT155
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