Saia-Burgess Controls AG
Manual for PCD7.L79xN room controllers
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Document 27 / 602
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N02 │ 2013-11-27
PCD7.L79xN series
Overview
1-1
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1 Overview
1.1
PCD7.L79xN series | compact room controller with Serial S-Net
With single room control for individual comfort and energy efficiency
The PCD7.L79xN single room controllers enable users to adjust the room climate to
their individual needs.
The controllers have an internal temperature sensor and some models have a set-
point control as well as a presence key with LED display
All devices in the PCD7.L79xN product family can be run as standalone control
devices or connected directly to the automation station as Serial S-Net slaves.
Various applications provide different control and operating options in Serial S-Net
operation.
In RIO operating mode, control can be executed entirely externally in the master
station. In this case, the single room controller is used simply as a hardware
input
/
output for climate control.
Serial S-Net-Bus S-Bus, RS-485, Data-Mode
The different usage and operating modes
The functionality of the single room controller is based on various different usage and
operating modes. And each selectable operating mode can be assigned different set
points.
Non-use
No heating or cooling energy is routed to the room. This state is useful when
a window is open. The room controller keeps the room temperature above the
frost threshold of 8 °C.
