Adisa NEO FIRE 120, Техническое руководство по установке, использованию и обслуживанию

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NEO FIRE – Technical Manual
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10.4 Data communication (remote management) vía Modbus RTU
Adding an optional accessory “Modbus RTU Kit”, code 510728,
(not supplied, separate acquisition), the data of the boiler (s) are
communicated with the building management system, using Modbus RTU
protocol.
The “Modbus Kit” is installed in each boiler and it is located at a space
that is usually assigned to the “Additional Heating Kit”.
The other end of the supplied cable is connected to the Electronic Board
(Siemens LMS) of the boiler.
Advantages: reading water temperatures (round trip), reading outside temperature probe (if it is connected),
reading operating hours, alarm warning (gas detection, low water pressure, ionization, etc), change
temperature setpoint, boiler status, control heating circuits.
Suggested settings:
Baud Rate : 19200 baud (with a cable length of < 500 m)
Parity : Even
Stop bits : 1
The Modbus RTU devices should be connected in line:
PINS :
Every boiler in the line are setting as SLAVE. The Kit Modbus of the last boiler should be set on TERMINATION
ON (LT)