COMUNICAZIONE MODBUS
MODBUS COMMUNICATION
GND
+
–
GND
+
–
SCHEDA CALDAIA
TABELLA PAR 17 INST/ Tab. PAR 17 INST
PAR 17 INST
Par 17 INST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
DIP SWITCH
CONNETTORE
CABLATO CN10
ON
(cod. 6319165)
WIRED CONNECTOR CN10
1 2
3
(code 6319165)
SCHEDINO RS-485
RS-485 BOARD
/ BOILER BOARD
N° Bit Dati
Baud Rate
No. Data Bit
Baud Rate
1200
8
1200
8
1200
8
1200
8
1200
8
1200
8
2400
8
2400
8
2400
8
2400
8
2400
8
2400
8
4800
8
4800
8
4800
8
4800
8
4800
8
4800
8
9600
8
9600
8
9600
8
9600
8
9600
8
9600
8
19200
8
19200
8
19200
8
19200
8
19200
8
19200
8
INSTALLER PARAMETER SETTING:
PAR 16
MODBUS ADDRESS
-- = Not enabled
1...31 = Slave from 1 to 31
(ATTENTION: Avoid calling the boi-
ler with the same number assigned
to either appliances)
PAR 17
MODBUS CONFIGURATION
-- = Not enabled
1...30 = Default value: 25
(See Table PAR 17 INST)
ATTENTION: Upon setting the parameters, we
recommend turning the boiler off and then back on
again.
Parità
Bit di Stop
Parity
Stop Bit
No
1
No
2
Pari /
Even
1
Pari /
Even
2
Dispari /
1
Odd
Dispari /
Odd
2
No
1
No
2
Pari /
Even
1
Pari /
Even
2
Dispari /
Odd
1
Dispari /
Odd
2
No
1
No
2
Pari /
Even
1
Pari /
Even
2
Dispari /
Odd
1
Dispari /
Odd
2
No
1
No
2
Pari /
Even
1
Pari /
Even
2
Dispari /
Odd
1
Dispari /
Odd
2
No
1
No
2
Pari /
Even
1
Pari /
Even
2
Dispari /
Odd
1
Dispari /
Odd
2
Fig. 10/a
85