Communication; Touch Screen Communication For Burner Control; External Communication; System Overview - Riello LMV3 Use And Instruction Manual

2.5

Communication

2.5.1

Touch screen communication for burner control

The burner touchscreen utilizes Modbus/TCP for commu-
nications to 1 other burner (Piccolo option) or to Massimo
panel (Massimo option).
The burner touchscreen utilizes Modbus RTU, RS485 for
communications to the burner controls including LMV3,
temperature controller.
2.5.2

External communication

BMS communication is available via Modbus RTU for Solo BMS communication is available via Modbus RTU for Solo
and Piccolo and Modbus TCP from Solo. and Piccolo and Modbus TCP from Solo.
An optional gateway can be included in the burner with An optional gateway can be included in the burner with
other protocols (BACnet IP or BACnet/MSTP, Modbus TCP, other protocols (BACnet IP or BACnet/MSTP, Modbus TCP,
Ethernet/IP, Metasys N2, Lonworks). Ethernet/IP, Metasys N2, Lonworks).
2.6

System overview

2.6.1 & 2.6.2 Solo & Piccolo system overview
Solo - LMV3/5 (2.6.1)
Belly
Temp.
OR
Return
Temp.
For LMV5:
► PLC is added to interface between LMV5 and touch-
screen
System and hardware configuration
Burner 1
Supply
Temp./
Pressure
PID Control
HMI
E-
Remote
Viewer
BMS
Modbus
TCP
BMS
Mobus RTU
For an LMV5, the AZL module communicates using Mod- For an LMV5, the AZL module communicates using Mod-
bus RTU over RS232. bus RTU over RS232.
For remote connection to Massimo, see Massimo manual. For remote connection to Massimo, see Massimo manual.
Points list is protocol dependant, consult section 6. Points list is protocol dependant, consult section 6.
Burner 1
Belly Supply
Temp. Temp./
Pressure
OR
Return
Temp.
PID Control
HMI
BMS
Mobus RTU
For LMV5:
► PLC is added to interface between LMV5 and touch-
screen
7
Piccolo (2.6.2)
Burner 2
Header Supply Belly
Temp. Temp./ Temp.
Pressure
OR
Return
Temp.
PID Control
HMI
0214190 - 01/2022