Dynamic E-CHART Manual De Operación página 142

Dynamic Fluid Measurement
DATA PACKET
Reading Alarm/Audit Event
Query
Address Func
01 03
Response
In response to this request the ECHART device returns the current contents of the event log – up
to the maximum size of a modbus message (255 bytes)
Acknowledge Alarm/Audit Event
Query
Address Func
01 05
Response
In response to this request the ECHART device returns the same message it received.
Address Func
01 05
E-CHART Manual
Start HI Start LO
00 20
Start HI Start LO
00 20
Start HI Start LO
00 20
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Modbus Data – 4-56
No . HI No. LO
00 01
Data HI Data Lo
ff 00
Data HI Data Lo
ff 00
CRC
CRC
CRC