Hardware Architecture; Addressing Of The Modbus Master Communication Modules; Psd1 Or Psd2 Driver Address Configuration - Mitsubishi Electric i-BX-N Technical Manual

TM_i-BX(-N)_NC05_00_06_20_EN
7

HARDWARE ARCHITECTURE

The pLDPRO or PGD1 machine terminal is connected to the telephone cable (pLan protocol).
TH-tune devices are used as system thermostats (accessories) and communicate with the Modbus protocol controller.
7.1

ADDRESSING OF THE MODBUS MASTER COMMUNICATION MODULES

Each device connected to the controller via the Modbus Master protocol must have a univocal Modbus address.
The addresses that must have the devices connected to the Modbus network are listed below, together with the methods for changing address with
respect the one initially set by the supplier.
The devices are connected to connector 4 (J10) of the controller.
Table of Modbus network device addresses:
Module
PSD1 or PSD2 inverter
High temperature TH-tune
ambient thermostat.
Low temperature zone ambient
terminal (mixed water)
7.2

PSD1 OR PSD2 DRIVER ADDRESS CONFIGURATION

The change of the PSD1 or PSD2 driver address is done through dip switches.
The driver dip switches must be set as shown in the image of the following example:
MEHITS S.p.A. ● TECHNICAL MANUAL
Modbus address Method for changing address
5 Dip switch
11 Change of address from keypad with User password (see the TH-tune interface
chapter)
14 Change of address from keypad with User password (see the TH-tune interface
chapter)
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Version NC05 - Translation of the Original Instructions