a. PV display (red)
Indicates PV (measured value) and character information such as parameter codes and
error codes. Indicates PV and “AT” alternately during Auto-tuning.
b. SP display (green)
Indicates SP (target setpoint), segment no., remaining segment time and parameter setpoints on SP display.
d. EV1, EV2 lamps (red)
EV1 : Lit when event 1 (PV event 1 or Time event 1) is activated.
EV2 : Lit when event 2 (PV evnet 2 or Time evnet 2) is activated.
c. SEG lamp (green)
Lit when the value of segment no. or remaning segment time is displayed.
e. RUN lamp (orange)
Lit while the operation mode is “RUN”.
Flashing while the operation mode is “WAIT”.
f. HLD (hold) lamp (green)
Lit while the operation mode is “HOLD”.
Name Function
■ Monitoring Parts
g. Data change key
(or Reset key)
• Pressing this key for more than 1 second (in operating display) stops (resets) the
program operation.
• Changes the program setpoints(SP) and the parameter setpoints.
• Pressing this key increases the parameter setpoint.
Holding down the key will gradually increase the speed of changes.
h. Data change key (or Run key)
• Pressing this key for more than 1 second (in operating display) starts (runs) the program
operation.
• Changes the program setpoins(SP) and the parameter setpoints.
• Pressing this key decreases the parameter setpoint.
Holding down the key will gradually decrease the speed of changes.
i. SET/ENT key
(data registering key)
• Switches the operating displays ➀, ➁ and ➂.
• Registers the data value changed using the data change keys.
• Switches between 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 operating, setup or program parameter
setting display transfers back to operating display ➀.
Name Function
■ Operating Parts (See 7. Key operations)
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