L-STAT User Manual
7
LOYTEC
Version 1.0
LOYTEC electronics GmbH
1 Introduction
1.1 Overview
The L-STAT is a room control device with a modern look that fits any interior design. It is
directly connected to a LOYTEC controller with a Modbus interface such as LIOB-AIR, L-
ROC or L-INX.
Up to 16 L-STAT devices can be connected to one controller to offer control at different
locations for the largest rooms. The L-STAT is equipped with a segmented LCD display
featuring an RGB backlight with adjustable color, offering a neat way to make the L-STAT
match the interior color concept of an office building. Eight capacitive touch buttons are
used to cycle through sensor values, display parameters, and adjust setpoints. Up to four
external buttons can be accessed and processed by the controller.
The L-STAT’s internal sensors measure temperature, humidity, dew point, occupancy and
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level. Sensor values can be displayed in SI or US units. Additionally, the date and time
as well as the current level of eco-friendliness are also displayed on the LCD display.
Parameters controlled by the controller’s logic can be overridden on the L-STAT, such as
for occupancy, air conditioning, and ventilation. A direct access mode is available to
quickly adjust the most important setpoints e.g. for temperature and ventilation control.
A buzzer provides acoustic feedback for the touch buttons and can also be used to indicate
alarms and error states. To prevent unauthorized modifications, two access levels (end user,
system integrator) are used, which are secured via 4-digit pin codes. Device replacement,
firmware upgrade, and L-STAT configuration are performed with very little effort through
the controller. The L-STAT device is represented in the controller by a simple data point
interface, which can be directly connected to the IEC 61131 or IEC 61499 logic application
and offers all common functions for data points such as alarming, scheduling, trending,
historic filters, math functions, etc.
Using an NFC tag, the L-STAT transmits the URL of an L-WEB project to mobile devices
for more extensive control and administrative tasks. Last but not least, the L-STAT comes
with a built-in infrared receiver for comfortable remote control.
Содержание L-STAT
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