YOKOGAWA UP55A User Manual

12-4
IM 05P02C41-01EN
LCDBacklightON/OFFSwitch(LCD)
LCD backlight ON/OFF can be switched using contact input. (Switch by the rising edge
and the falling edge)
Contact status Operation Remark
OFF→ON Turns off the LCD backlight –
ON→OFF Turns on the LCD backlight –
MessageDisplayInterruption1to4(MG1to4)
The message set using LL50A Parameter Setting Software can be interrupt-displayed on
PV display using contact input. The messages are limited to 20 alphanumeric characters.
A maximum of four displays can be registered. (Switch by the rising edge)
► Message: LL50A Parameter Setting Software User’s Manual
Contact status Operation Remark
OFF→ON Interrupt-displays the message Pressing the DISPLAY key erases the message.
ON→OFF Displays the current PV –
PVRed/whiteSwitch(PVRW)
PV color can be switched using contact input. (Status switch)
Contact status Operation Remark
ON Red color –
OFF White color –
Set "10" to the parameter PCMD.
Bit-0toBit-7ofProgramPatternNumber(PT.B0toPT.B7)
The program pattern number can be switched using contact input. There are three
methods to specify program pattern number.
• Status switch 1 (Operation by keystroke or via communication is enabled depending
on the conditions.)
Program pattern
number
Contact status
PT.B4 PT.B3 PT.B2 PT.B1 PT.B0
1 OFF OFF OFF OFF ON
2 OFF OFF OFF ON OFF
3 OFF OFF OFF ON ON
4 OFF OFF ON OFF OFF
5 OFF OFF ON OFF ON
6 OFF OFF ON ON OFF
7 OFF OFF ON ON ON
8 OFF ON OFF OFF OFF
9 OFF ON OFF OFF ON
10 OFF ON OFF OFF OFF
A program pattern is selected with the combination of ON and OFF of a contact input. The pattern
11 or later can be selected similarly.
*1: “1” when the contact input is turned on and “0” when turned off.
*2: Program pattern number can be switched by keystroke or via communication when all contact
inputs of PT.B0 to PT.B4 are turned off.
*3: Program pattern number cannot be switched by keystroke or via communication when any
contact input of PT.B0 to PT.B4 is turned on.
*4: The contact input is turned off when the bit of program pattern number is not assigned to the
contact input.
*5: The immediately preceding program pattern number is held when all contact inputs are turned
off.
12.1SettingContactInputFunction

YOKOGAWA UP55A Specifications

General

Brand	YOKOGAWA
Model	UP55A
Category	Controller
Language	English