7. DEVICE DESCRIPTION AND CONFIGURATION
7.1. GENERAL DESCRIPTION
In general, there is not check on the constancy of the values sent to specific registers. Therefore is the
operator responsibility to check that consistency.
In this manual, the numbers in hexadecimal have been represented with the format 0xZZ, where ZZ is
the number.
The register map that governs heater is explained below is in the chapter 0 Basic MODBUS-rtu Register
Map.
7.2 OPERATION DIAGRAM
When the system Powers ON, the Compact heater keyborad panel will turn ON. From this point the
Compact Heater will load the configuration parameters, such as setpoint temperature, temperature
units used and so on.
Finally the Compact Heater will remain in the idle state, waiting a request to heat water, if the
conditions in configuration parameters meet and the "on button is pushed", the appliance will activate
the heater. The image 5 shows this flow.
7.3 ADDRESS AND BAUD RATE SELECTION
7.3.1 ADDRESS SETTING
The address of the Compact heater in the bus is set through the 0x00 Holding Register.
ID_Address:
Address of the heater in the bus.
Factory setting: 0x07.
Suggested range: 0x07 - 0x0A.
The factory default for the Compact heater is 0x07. However you can change this value by writing this
holding register and as far as you check to not introduce collisions or conflicts with other slave's
addresses.
© ASTRALPOOL 2016 ALL RIGHTS RESERVED. PROPRIETARY DOCUMENT
Image 4 Operation diagram
.
10