RYM
ASKON
®
200-Modbus
Modbus Slave
User Manual
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Page 4 of 55
1.
Introduction
1.1.
Overview
The RYMASKON 200 is a room control unit with a modern, minimalistic look that fits any interior design. It is
designed to be directly connected to a controller with a Modbus interface.
Up to 16 RYMASKON 200 devices can be connected to a single Modbus segment. RYMASKON 200 is equipped
with a segmented LCD display featuring an RGB backlight with adjustable color, offering a neat way to make the
RYMASKON 200 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 using Modbus interface.
The RYMASKON 200’s internal sensors measure temperature, humidity and dew point. 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 Modbus Masters’s logic can be overridden on the
RYMASKON 200, 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 and RYMASKON 200’s configuration are performed with very little
effort through the Modbus controller. The RYMASKON 200 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, math functions, etc.
Using an NFC tag, the RYMASKON 200 transmits the URL to mobile devices. Last but not least, the
RYMASKON 200 comes with a built-in infrared receiver for comfortable remote control.