Inhaltsverzeichnis
Werbung
Verfügbare Sprachen
Verfügbare Sprachen
Appendix B - Modbus Communication
Addressing
Modbus address: 112 to 127 (default)
Note: in the market is still present the first generation with the
modbus address range 32 (default) to 47.
It is not possible to give an address outside of range from 112
to 127.
The address can be modified from default value by dipswitches
on electronic board. The dipswitches involved are ones from 1
to 4 and they can be modified according to table 3.
DIP SWITCHES
ADDRESS
4
127
OFF
126
OFF
125
OFF
124
OFF
123
OFF
122
OFF
121
OFF
120
OFF
119
ON
118
ON
117
ON
116
ON
115
ON
114
ON
113
ON
112
ON
Table 4
34
NOTE
3
2
1
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
OFF
ON
ON
ON
OFF
OFF
ON
OFF
ON
ON
ON
OFF
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
OFF
ON
ON
ON
OFF
OFF
ON
OFF
ON
ON
ON
OFF
ON
ON
ON
Registers table
In the table 5 are showed the visible via Modbus (RTU)
registers.
Register
Type
R/W
0x2000
W
R
0x2001
W
R/W
0x2002
W
R
0x2003
W
R
0x2004
W
R
0x2005
W
R
0x2006
W
R
0x2007
W
R
0x2008
W
R
0x2009
W
R
0x200A
W
R
Table 5
Memory registers
Maximum and Minimum values are stored and saved from
register 0x2100 to register 0x215F.
The last four weeks data (from current day) are stored and
saved daily, at the beginning of the 5th week the maximum
and minimum values of the entire older week are stored
and saved in 0x2138 and 0x2139 registers and so on.
Summarizing, in this table (6) the data are collected as
follows:
1. In the first 28 rows are saved max and min of the
latest 28 days;
2. In the remaining rows are saved max and min of the
oldest 19 weeks.
Register
Type
R/W
0x2100
W
R
0x2101
W
R
0x2102
W
R
0x2103
W
R
0x2104
W
R
0x2105
W
R
.........
.....
.....
0x2134
W
R
0x2135
W
R
0x2136
W
R
0x2137
W
R
0x2138
W
R
0x2139
W
R
.........
......
.....
0x215C
W
R
0x215D
W
R
0x215E
W
R
0x215F
W
R
Table 6
ELECTRONIC BUCHHOLZ RELAYS eBR
Function
Electronic board input
Electronic board output
Level probe value (ml)
Operation number IN1
Operation number IN2
Relay operation number
Time (minutes) electronic board
switched on
Time (days) electronic board switched on
Max level current day
Min level current day
Software version
Function
Level Sensor Maximum Value Day -1
Level Sensor Minimum Value Day -1
Level Sensor Maximum Value Day -2
Level Sensor Minimum Value Day -2
Level Sensor Maximum Value Day -3
Level Sensor Minimum Value Day -3
..................................................
Level Sensor Maximum Value Day -27
Level Sensor Minimum Value Day -27
Level Sensor Maximum Value Day -28
Level Sensor Minimum Value Day -28
Level Sensor Maximum Value Week -5
Level Sensor Minimum Value Week -5
...................................................
Level Sensor Maximum Value Week -23
Level Sensor Minimum Value Week -23
Level Sensor Maximum Value Week -24
Level Sensor Minimum Value Week -24
Werbung
Inhaltsverzeichnis
