<Toc> < 3. Operations >
3-1
IM 05D01C02-41E 3rd Edition: May 31, 2006-00
3. 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 remem-
ber how to carry out an operation during setting, press the
SET/ENT
key for more than 3
seconds. This brings you to the display (operating display) that appears at power-
on.
3.1 Monitoring-purpose Operating Displays
Available during Operation
The monitoring-purpose operating displays available during operation are roughly classi-
fied into two groups depending on the types of controller and control output. One group is
operating displays for standard and position proportional controllers and the other group is
operating displays for a heating/cooling controller.
■ Operating Displays for Standard and Position Proportional Controllers
● SP display
The PV input value appears on the PV display.
The target setpoint (1.SP) appears on the Setpoint display.
● OUT Display
The PV input value appears on the PV display.
The control output value (OUT) appears on the Setpoint display.
When in position proportional control, the Setpoint display shows the valve opening (0% to
100%).
● PID Number Display
The PV input value appears on the PV display.
The PID number (PID) being used appears on the Setpoint display.
SP display
(allows the setpoint to
be changed)
OUT display
(allows the control output
value to be changed
during manual operation)
PID number display
(for monitoring only)
The following are operating displays for standard and
position proportional controllers. Note that any “OUT”
value of a position proportional controller shown on the
display denotes the valve opening (0 to 100%).
SET/ENT
key
SET/ENT
key
SET/ENT
key
Operating Displays
Power-on
SET/ENT
A/M
PV
AL1 2 3 4
REM
CAS
MAN
LP2
SET/ENT
A/M
PV
AL1 2 3 4
REM
CAS
MAN
LP2
SET/ENT
A/M
PV
AL1 2 3 4
REM
CAS
MAN
LP2
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