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4.
4-1
<4. Operations>
Operations
This chapter describes key entries for operating the controller. For operations using
external contact inputs, see “1.5 Terminal Wiring Diagrams.” If you cannot remember how to carry out an operation during setting, press the DISP key no more than
four times. This brings you to the display (operating display) that appears at poweron.
4.1
Monitoring-purpose Operating Displays
Available during Operation
The monitoring-purpose operating displays available during operation include those for
controllers of cascade and cascade position proportional control and those for controllers of
cascade heating/cooling control.
■ Operating Displays for Cascade and Cascade Position Proportional
Control
䊊 In Cascade and Program Operation
● SP1 Display
The PV input value of the primary-loop appears on the PV display.
On the Setpoint display (LCD), the controller displays the current setpoint (SP1), the
program pattern number (PTNO) selected, the segment number (SEGNO) for which
operation is in progress, the number of segments included in the selected program pattern,
the remaining time of the segment for which operation is in progress (TM), the current
number of repetitions (RCY), and the total sum of repetitions.
● CSP2 Display (PV2 lamp ON)
The PV input value of the secondary-loop appears on the PV display.
On the Setpoint display (LCD), the controller displays the cascade setpoint of the secondary-loop (CSP2), the program pattern number (PTNO) selected, the segment number
(SEGNO) for which operation is in progress, the number of segments included in the
selected program pattern, the remaining time of the segment for which operation is in
progress (TM), the current number of repetitions (RCY), and the total sum of repetitions.
● Target SP1 Display
The PV input value of the primary-loop appears on the PV display.
On the Setpoint display (LCD), the controller displays the current setpoint (SP1) and final
target setpoint (TSP), the program pattern number (PTNO) selected, the segment number
(SEGNO) for which operation is in progress, the number of segments included in the
selected program pattern, the program pattern name (only displayed when setting the
program pattern name using an optional parameter setting tool (model: LL100-E10)).
IM 05E01C02-44E
1st Edition : May 31,2000-00