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Appendix A: MODBUS communication
MODBUS register
Register address Operation
Operation for monitoring
0x2000
R
0x2001
R
0x2004
R
0x2005
R
0x2006
R
0x2007
R
0x2008
R
0x2009
R
0x200A
R
0x200B
R
Data logging
0x2100
R
0x2101
R
0x2102
R
0x2103
R
...
...
0x2136
R
0x2137
R
0x2138
R
0x2139
R
...
...
0x21C4
R
0x21C5
R
0x21C6
R
0x21C7
R
Events logging
0x2300
R
0x2301
R
0x2302
R
0x2303
R
0x2304
R
...
...
0x248D
R
0x248E
R
0x248F
R
0x2490
R
* Date and time of an event are calculated in this way:
Event Date/Time = Timestamp Hi (seconds) + (2
+ (01-Jan-2014 00hh:00min:00sec)
** value 4 = change date, value 3 = upper threshold reached,
value 5 = lower threshold reached
Table 4
Notes
Filling percentage 0%..100%
Relay Status: Bit 0 = 0 Relay off,
Bit 0 = 1 Relay ON
Number of relay operation
Minutes board ON
Days board ON
MAX dayly value
Min dayly value
Conservator filling in [mm]
Software version
Dayly blackout number
Max level in the day -1
Min level in the day -1
Max level in the day -2
Min level in the day -2
...
Max level in the day -28
Min level in the day -28
Max level in the week -5
Min level in the week -5
...
Max level in the week -71
Min level in the week -71
Max level in the week -72
Min level in the week -72
Events number
Timestamp Hi [Event 1]*
Timestamp Low [Event 1]*
Event type**[Event 1]
Level Value at the moment of the
event [Event 1]
...
Timestamp Hi [Event 100]*
Timestamp Low [Event 100]*
Event type [Event 100]
Level Value at the moment of the
event [Event 100]
) x Timestamp Low (seconds)
16
MODBUS address
When are installed two or more units, it is necessary to
differentiate the MODBUS address changing the dip-swi-
tches position.
The available Contactless Ultrasonic CU eOLI addresses are:
• 64 to 79 (default).
Figure 9
4
3
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
ON
ON
ON
ON
ON
ON
ON
Table 5
2
1
OFF
OFF
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
ON
ADDRESS
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
29
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