4204
FLOW METER
TECHNICAL MANUAL P/N XXX-0000 Rev. 5 Ver. 3.4
41
bit 5 rele K5
bit 4 rele K4
bit 3 rele K3
bit 2 rele K2
bit 1 rele K1
bit 0 rele allarme
[2] The value of the level is encoded with shift of 100000: for example, if the
registers 8-9 contain the value 112340, it means level = 12340 mm (in this example the register 8 contiains 1
and the register 9 contains 46804)
[3] These times are expressed as n. of seconds since 1/1/2000 0:00:00
[4] Code of the most recent alarm that has occurred, a zero value
means that no alarm was never registered.
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DATA DOWNLOAD
Download of the data in the local store is done through the
function user-defined 66 (not editable)
The transfer starts with the following transiction:
(session opening, subfunct = 0xF0):
query (6 bytes):
pos bytes
0 1 Device address
1 1 function = 66
2 1 subfunction = 0xF0
3 1 REQ_CODE [1]
4 2 CRC
response (14 bytes):
pos bytes
0 1 Device address
1 1 function = 66
2 1 subfunction = 0xF0
3 1 0x00
4 1 ver fw higher n.
5 1 ver fw higher n.
6 2 Device ID = 4204
8 1 0x00
9 1 0x00
10 2 RECORDS [3]
12 2 CRC
Note:
[1] REQ_CODE must have 0 or 1 value.
[3] RECORDS is the total number of records that will be downloaded
during the session (this is the number when calling)
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