PMML0175A-rev.1 - 6/2008
HARC-MODBUS - xxxxxxxxxxxxxxxx
9
English
HARC-MODBUS - Installation Manual
SW7 – FUNCTIONS SETTING 1
SW7
Description
Configuration as MASTER/SLAVE:
MASTER: SW7-1=ON
Only one HARC-MODBUS can be set as a MASTER HARC-MODBUS
Setting by default
SLAVE: SW7-1= OFF
It should be 1 HARC-MODBUS configured as MASTER, all the rest of HARC-MODBUS must be
configured as SLAVE in the same H-LINK
Data Refresh Mode
Configuration as EVENT CONTROL: SW7-2:OFF
Parameters are refreshed to the IU each time BMS writes a setting parameter (even if no value is
changed). Setting by default
Configuration as CHANGE CONTROL: SW7-2:ON
Parameters are refreshed to the IU only when some values are changed
Parity configuration
SW7-3: OFF: No parity configuration
SW7-3: ON: Parity communication
(see SW7-4 configuration for parity type)
Parity type configuration
SW7-4: OFF: Even parity (if SW7-3 is ON)
SW7-4: ON: Odd parity (if SW7-3 is ON)
Communication Baud rate
SW7-5: OFF 19200 Bps
SW7-5: ON 9600 Bps
SW8 – FUNCTIONS SETTING 2
SW8
Description
Configuration for PACKAGED / CHILLER
PACKAGED Applications: SW8-1: OFF
CHILLER Applications: SW8-1: ON
Summary of Contents for HARC-MODBUS
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