Proface LT4300M - 5.7 Modular HMI + Control" - Manual (Page 111)

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LT-4201TM/4301TM Hardware Manual
LT-4201TM/4301TM Hardware Manual
Display Modules Chapter 8
Display Modules
Panel Overview
Introduction
The LT is a Human Machine Interface product that has an operating voltage of 24 Vdc.
The table describes the LT characteristics:
Critical Systems, Detected Alarms and Handling Requirements
Critical detected alarm indicators and system functions require independent and redundant
protection hardware and/or mechanical interlocks.
If the unit for any reason becomes inoperative (for example, an inoperative backlight) it may be
difficult or impossible to identify operation. Operations that may present a hazard if not immediately
executed, such as emergency stop, must be provided independently of the unit. The design of the
control system must take into account an inoperative unit (backlight) and the operator may be
unable to control the machine or respond to detected errors with the unit.
After turning OFF the LT, be sure to wait at least 10 seconds before turning it ON again. The LT
may not operate correctly if it is restarted too quickly.
Part Number Screen Size Screen (Pixel)
Resolution Color
Definition Screen Type
LT-4201TM
(Modular Type
DIO) 3.5 in. 320 x 240
(QVGA) 65536 colors
and LED
backlight TFT
LT-4201TM
(Modular Type
Analog)
3.5 inch display
module
LT-4301TM
(Modular Type
DIO) 5.7 in.
LT-4301TM
(Modular Type
Analog)
5.7 inch display
module