General Information - Helios Easycontrols 3.0 Schnittstellenbeschreibung

Functional Description
CHAPTER 1
GENERAL
INFORMATION
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DANGER
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DANGER
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WARNING
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CAUTION
NOTICE
CHAPTER 2
VARIABLES
NOTE
easyControls 3.0-Modbus RTU
1�1 Important information
To ensure safety and correct operation please read and observe all of following instructions carefully before proceeding.
This document is part of the product and should be kept accessible as such. Following commissioning, the document
must be handed out to the operator.
m The electrical connection must be fully isolated from the power supply up to the final assembly!
This unit is not intended for use by persons (including children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction
concerning use of the unit by a person responsible for their safety� Children should be supervised to ensure
that they do not play with the unit�
1�2 Warning instructions
The adjacent symbol is a safety-relevant prominent warning label� All safety regulations and/or symbols must
be absolutely adhered to, so that any dangerous situation is avoided�
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DANGER
Indicates dangers which will directly result in death or serious injury if the safety instruction is not followed.
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WARNING
Indicates dangers which will result in death or serious injury if the safety instruction is not followed.
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CAUTION
Indicates dangers which can result in injuries if the safety instruction is not followed.
NOTICE
Indicates dangers which can result in material damage if the safety instruction is not followed.
1�3 Safety instructions
Special regulations apply for use, connection, operation, transportation and maintenance. Consultation is required in
case of doubt. Further information can be found in the relevant standards and legal texts.
2�1 Modbus parameters
2�1�1 Profile priority
If more than one profile is active simultaneously, then the profile with higher priority will override the profile with lower
priority.
Example:
The individual function and boost ventilation profiles are both active at the same time => the individual function will
override the boost ventilation due to its higher priority.
2�1�2 Priority order
• Profile timer configurable input (assigned to digital inputs)
• Profile individual function
• Profile boost ventilation
• Profile at home/away
2�1�3 Supported function codes in the Modbus RTU
Modbus (RTU) Holding Registers are 16 bits long (unsigned word).
• FC 03h: FCODE_READ_HOLDING_REGISTERS
Reading setup values and configuration parameters
• FC 10h: FCODE_WRITE_HOLDING_REGISTERS
Writing setup values and configuration parameters
• FC 06h: FCODE_WRITE_SINGLE_REGISTER
Writing single setup values and configuration parameters
2�1�4 Modbus default setting of the unit
The Modbus default values (Fig� 1) can be changed via KWL-BE Touch or on the internal web server�
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EN
Fig. 1