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Vertical Modbus network between the MASTER controller and the SLAVE_Y controllers
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 1
ZONE 2
ZONE 3
ZONE 4
SLAVE Y
SLAVE X
SLAVE X
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 1
ZONE 2
ZONE 3
ZONE 4
SLAVE Y
SLAVE X
SLAVE X
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 1
ZONE 2
ZONE 3
ZONE 4
SLAVE Y
SLAVE X
SLAVE X
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 1
ZONE 2
ZONE 3
ZONE 4
MASTER
SLAVE X
SLAVE X
MODBUS
MODBUS
MODBUS
Certain SLAVE_X controllers send the regulation request to the SLAVE_Y through the contact, others to the MASTER
controller. The activation contact may be the one from the electrothermal actuator or the one from the SLAVE_X controller
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Key:
remote season change,
external temperature sensor,
temperature sensor,
hot/cold water generator,
column pump,
valve,
circulator,
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thermal actuator,
thermal actuator with limit switch contact.