YOKOGAWA UT55A User Manual

13-21
IM 05P01C31-01EN
Display, Key, and Security Functions
13
(Continued)
Setpoint Function Action
Availability(Note1)
F1 F2 Fn A/M
LAT Latch release
Latch 1 to latch 4 are released every time the user
function key is pressed.
√ √ √ –
PID PID Tuning switch
Pressing the function key during operation
displays
therst
parameter(proportionalband)of
the currently selected PID parameter group and
enables the setting to be changed.
As with the operation to change the parameter
setpoint,thesequenceisP→I→D→…→P→….
Pressing the function key again, or pressing the
DISPLAY key or DISP key returns to the initial
Operation Display.
The PARAMETER key or PARA key does not
switch to the Menu Display.
√ √ √√ –
Note1: √indicatesavailable,–indicatesunavailable,and√√indicatesinitialvalue.
Note 2: The initial value of the A/M key is CAS/AUTO/MAN switch when the control mode (CTLM)
is Cascade control, and AUTO/MAN switch when CTLM is other than Cascade control.
Note 3: When the STOP/RUN switch is set to the contact input, the setpoint S/R does not work for
the
user function key. Disable the setting if the STOP/RUN switch parameter (S/R) is assigned
to the contact input.
Statusofuserfunctionkey
The status of the user function key can be identified by communication.
“1” can be read while the user function key is held down, and “0” can be read when the
user function key is released. (Initial value: 0)
► Readingviacommunication:UTAdvancedSeriesCommunicationInterfaceUser’sManual
FnkeyoperationintheParameterSettingDisplay
IntheMenuDisplayandParameterSettingDisplay,theguideisdisplayedonPV
display.Atthistime,usetheFnkeytoturnonandofftheguidedisplayonPVdisplay.A
measuredinputvalue(PV)isdisplayedintheONstate.
13.2 Assigning Function to User Function Key and A/M Key

YOKOGAWA UT55A Specifications

General

Brand	YOKOGAWA
Model	UT55A
Category	Temperature Controller
Language	English