Hitachi HC-A32MB Installation And Operation Manual page 14

SW7 – FUNCTIONS SETTING 1
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SW7
Configuration as MASTER HC-A32MB: SW7-1=ON.
Only one HC-A32MB can be set as a MASTER HC-A32MB
Setting by default
Configuration as SLAVE HC-A32MB: SW7-1= OFF
It should be 1 HC-A32MB configured as MASTER, all the rest of HC-A32MB must be configured as
SLAVE.
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.
Data Refresh Mode, 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
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)
Parity type configuration
SW7-4: ON: Odd parity (if SW7-3 is ON)
Communication Baud rate
SW7-5: OFF 19200 Bps
Communication Baud rate
SW7-5: ON 9600 Bps
SW8 – FUNCTIONS SETTING 2
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SW8
Configuration for PACKAGED / CHILLER
PACKAGED Applications: SW8-1: OFF
Configuration for PACKAGED / CHILLER
CHILLER Applications: SW8-1: ON
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PMML0191A rev.2 - 05/2013
Description
Description
Installation