User's Manual

Hardware Requirement Specification
(HRS)
Orion Energy Management Doc.No: 61 8003 011
Valid from Revision
P7
Author(s): Jan Elfstrom Page 10/25
CONFIDENTIAL ©TIMELOX AB
5.1.9.1 The UI shall have the means of measuring temperature
5.1.9.2 The temperature value shall have a tolerance of +/-0.5°C including drift
5.1.9.3 The temperature sensor shall have a calibrated value of +/-1°C @22°C
5.1.10 Firmware
5.1.10.1 The UI firmware (FW) shall be possible to upgrade through the service
connector using the AAH standard bootloader protocol
5.1.10.2 A callback function called when a key-press or other event occur shall be
implemented for AAH use.
5.1.10.3 A control structure shall be developed for accessing and controlling
resources in the UI (e.g. displayed symbols, temperature display etc)
5.1.10.4 A data structure with information of pressed keys, temperature reading etc
shall be developed
5.2 Thermostat Controller
5.2.1 Introduction
The Thermostat Controller (TC) is the device where the actual logic for energy management is
implemented. It is also the device controlling the other in-room devices connected to the EMS
system and can be connected to a central control system.
Possible configuration of the TC
TC MCU
5
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5.2.4 I/O-
Connector
Signal
Conditioning