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12-1
IM 05P04D41-01EN
Contact Input Functions
12
12.1 Setting Contact Input Function
12.1.1 Setting Contact Input Function
Description
The contact input (DI2) function works by setting the DI2.S parameter to functions such
as the operation mode.
Latch Release (LAT)
Latch can be released using contact input. (Switch by the rising edge)
Contact status Operation Remark
OFF→ON Releases the latch –
ON→OFF Maintains the current operation status –
Releasing the latch function releases all latched contact (alarm) outputs.
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 –
Chapter 12 Contact Input Functions